diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
| commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
| tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /Documentation/devicetree/bindings/timer | |
| parent | Initial commit. (diff) | |
| download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip | |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/timer')
70 files changed, 4106 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/timer/actions,owl-timer.txt b/Documentation/devicetree/bindings/timer/actions,owl-timer.txt new file mode 100644 index 000000000..977054f87 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/actions,owl-timer.txt @@ -0,0 +1,21 @@ +Actions Semi Owl Timer + +Required properties: +- compatible : "actions,s500-timer" for S500 + "actions,s700-timer" for S700 + "actions,s900-timer" for S900 +- reg : Offset and length of the register set for the device. +- interrupts : Should contain the interrupts. +- interrupt-names : Valid names are: "2hz0", "2hz1", + "timer0", "timer1", "timer2", "timer3" + See ../resource-names.txt + +Example: + + timer@b0168000 { + compatible = "actions,s500-timer"; + reg = <0xb0168000 0x100>; + interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "timer0", "timer1"; + }; diff --git a/Documentation/devicetree/bindings/timer/allwinner,sun4i-a10-timer.yaml b/Documentation/devicetree/bindings/timer/allwinner,sun4i-a10-timer.yaml new file mode 100644 index 000000000..b3538fac1 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/allwinner,sun4i-a10-timer.yaml @@ -0,0 +1,101 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/allwinner,sun4i-a10-timer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner A10 Timer + +maintainers: + - Chen-Yu Tsai <wens@csie.org> + - Maxime Ripard <mripard@kernel.org> + +properties: + compatible: + oneOf: + - enum: + - allwinner,sun4i-a10-timer + - allwinner,sun8i-a23-timer + - allwinner,sun8i-v3s-timer + - allwinner,suniv-f1c100s-timer + - items: + - enum: + - allwinner,sun20i-d1-timer + - allwinner,sun50i-a64-timer + - allwinner,sun50i-h6-timer + - allwinner,sun50i-h616-timer + - const: allwinner,sun8i-a23-timer + + reg: + maxItems: 1 + + interrupts: + minItems: 2 + maxItems: 6 + description: + List of timers interrupts + + clocks: + maxItems: 1 + +allOf: + - if: + properties: + compatible: + enum: + - allwinner,sun4i-a10-timer + + then: + properties: + interrupts: + minItems: 6 + maxItems: 6 + + - if: + properties: + compatible: + enum: + - allwinner,sun8i-a23-timer + + then: + properties: + interrupts: + minItems: 2 + maxItems: 2 + + - if: + properties: + compatible: + enum: + - allwinner,sun8i-v3s-timer + - allwinner,suniv-f1c100s-timer + + then: + properties: + interrupts: + minItems: 3 + maxItems: 3 + +required: + - compatible + - reg + - interrupts + - clocks + +additionalProperties: false + +examples: + - | + timer@1c20c00 { + compatible = "allwinner,sun4i-a10-timer"; + reg = <0x01c20c00 0x400>; + interrupts = <22>, + <23>, + <24>, + <25>, + <67>, + <68>; + clocks = <&osc>; + }; + +... diff --git a/Documentation/devicetree/bindings/timer/allwinner,sun5i-a13-hstimer.yaml b/Documentation/devicetree/bindings/timer/allwinner,sun5i-a13-hstimer.yaml new file mode 100644 index 000000000..f1853daec --- /dev/null +++ b/Documentation/devicetree/bindings/timer/allwinner,sun5i-a13-hstimer.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/allwinner,sun5i-a13-hstimer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner A13 High-Speed Timer + +maintainers: + - Chen-Yu Tsai <wens@csie.org> + - Maxime Ripard <mripard@kernel.org> + +properties: + compatible: + oneOf: + - const: allwinner,sun5i-a13-hstimer + - const: allwinner,sun7i-a20-hstimer + - items: + - const: allwinner,sun6i-a31-hstimer + - const: allwinner,sun7i-a20-hstimer + + reg: + maxItems: 1 + + interrupts: + minItems: 2 + items: + - description: Timer 0 Interrupt + - description: Timer 1 Interrupt + - description: Timer 2 Interrupt + - description: Timer 3 Interrupt + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + +if: + properties: + compatible: + const: allwinner,sun5i-a13-hstimer + +then: + properties: + interrupts: + minItems: 2 + maxItems: 2 + +else: + properties: + interrupts: + minItems: 4 + maxItems: 4 + +additionalProperties: false + +examples: + - | + timer@1c60000 { + compatible = "allwinner,sun7i-a20-hstimer"; + reg = <0x01c60000 0x1000>; + interrupts = <0 51 1>, + <0 52 1>, + <0 53 1>, + <0 54 1>; + clocks = <&ahb1_gates 19>; + resets = <&ahb1rst 19>; + }; + +... diff --git a/Documentation/devicetree/bindings/timer/altr,timer-1.0.txt b/Documentation/devicetree/bindings/timer/altr,timer-1.0.txt new file mode 100644 index 000000000..e698e3488 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/altr,timer-1.0.txt @@ -0,0 +1,18 @@ +Altera Timer + +Required properties: + +- compatible : should be "altr,timer-1.0" +- reg : Specifies base physical address and size of the registers. +- interrupts : Should contain the timer interrupt number +- clock-frequency : The frequency of the clock that drives the counter, in Hz. + +Example: + +timer { + compatible = "altr,timer-1.0"; + reg = <0x00400000 0x00000020>; + interrupt-parent = <&cpu>; + interrupts = <11>; + clock-frequency = <125000000>; +}; diff --git a/Documentation/devicetree/bindings/timer/amlogic,meson6-timer.txt b/Documentation/devicetree/bindings/timer/amlogic,meson6-timer.txt new file mode 100644 index 000000000..a9da22bda --- /dev/null +++ b/Documentation/devicetree/bindings/timer/amlogic,meson6-timer.txt @@ -0,0 +1,22 @@ +Amlogic Meson6 SoCs Timer Controller + +Required properties: + +- compatible : should be "amlogic,meson6-timer" +- reg : Specifies base physical address and size of the registers. +- interrupts : The four interrupts, one for each timer event +- clocks : phandles to the pclk (system clock) and XTAL clocks +- clock-names : must contain "pclk" and "xtal" + +Example: + +timer@c1109940 { + compatible = "amlogic,meson6-timer"; + reg = <0xc1109940 0x14>; + interrupts = <GIC_SPI 10 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 11 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 6 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 29 IRQ_TYPE_EDGE_RISING>; + clocks = <&xtal>, <&clk81>; + clock-names = "xtal", "pclk"; +}; diff --git a/Documentation/devicetree/bindings/timer/arm,arch_timer.yaml b/Documentation/devicetree/bindings/timer/arm,arch_timer.yaml new file mode 100644 index 000000000..c5fc3b6c8 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/arm,arch_timer.yaml @@ -0,0 +1,128 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/arm,arch_timer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ARM architected timer + +maintainers: + - Marc Zyngier <marc.zyngier@arm.com> + - Mark Rutland <mark.rutland@arm.com> +description: |+ + ARM cores may have a per-core architected timer, which provides per-cpu timers, + or a memory mapped architected timer, which provides up to 8 frames with a + physical and optional virtual timer per frame. + + The per-core architected timer is attached to a GIC to deliver its + per-processor interrupts via PPIs. The memory mapped timer is attached to a GIC + to deliver its interrupts via SPIs. + +properties: + compatible: + oneOf: + - items: + - const: arm,cortex-a15-timer + - const: arm,armv7-timer + - items: + - enum: + - arm,armv7-timer + - arm,armv8-timer + - items: + - const: arm,armv8-timer + - const: arm,armv7-timer + + interrupts: + minItems: 1 + items: + - description: secure timer irq + - description: non-secure timer irq + - description: virtual timer irq + - description: hypervisor timer irq + - description: hypervisor virtual timer irq + + interrupt-names: + oneOf: + - minItems: 2 + items: + - const: phys + - const: virt + - const: hyp-phys + - const: hyp-virt + - minItems: 3 + items: + - const: sec-phys + - const: phys + - const: virt + - const: hyp-phys + - const: hyp-virt + + clock-frequency: + description: The frequency of the main counter, in Hz. Should be present + only where necessary to work around broken firmware which does not configure + CNTFRQ on all CPUs to a uniform correct value. Use of this property is + strongly discouraged; fix your firmware unless absolutely impossible. + + always-on: + type: boolean + description: If present, the timer is powered through an always-on power + domain, therefore it never loses context. + + allwinner,erratum-unknown1: + type: boolean + description: Indicates the presence of an erratum found in Allwinner SoCs, + where reading certain values from the counter is unreliable. This also + affects writes to the tval register, due to the implicit counter read. + + fsl,erratum-a008585: + type: boolean + description: Indicates the presence of QorIQ erratum A-008585, which says + that reading the counter is unreliable unless the same value is returned + by back-to-back reads. This also affects writes to the tval register, due + to the implicit counter read. + + hisilicon,erratum-161010101: + type: boolean + description: Indicates the presence of Hisilicon erratum 161010101, which + says that reading the counters is unreliable in some cases, and reads may + return a value 32 beyond the correct value. This also affects writes to + the tval registers, due to the implicit counter read. + + arm,cpu-registers-not-fw-configured: + type: boolean + description: Firmware does not initialize any of the generic timer CPU + registers, which contain their architecturally-defined reset values. Only + supported for 32-bit systems which follow the ARMv7 architected reset + values. + + arm,no-tick-in-suspend: + type: boolean + description: The main counter does not tick when the system is in + low-power system suspend on some SoCs. This behavior does not match the + Architecture Reference Manual's specification that the system counter "must + be implemented in an always-on power domain." + +required: + - compatible + +additionalProperties: false + +oneOf: + - required: + - interrupts + - required: + - interrupts-extended + +examples: + - | + timer { + compatible = "arm,cortex-a15-timer", + "arm,armv7-timer"; + interrupts = <1 13 0xf08>, + <1 14 0xf08>, + <1 11 0xf08>, + <1 10 0xf08>; + clock-frequency = <100000000>; + }; + +... diff --git a/Documentation/devicetree/bindings/timer/arm,arch_timer_mmio.yaml b/Documentation/devicetree/bindings/timer/arm,arch_timer_mmio.yaml new file mode 100644 index 000000000..f6efa48c4 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/arm,arch_timer_mmio.yaml @@ -0,0 +1,123 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/arm,arch_timer_mmio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ARM memory mapped architected timer + +maintainers: + - Marc Zyngier <marc.zyngier@arm.com> + - Mark Rutland <mark.rutland@arm.com> + +description: |+ + ARM cores may have a memory mapped architected timer, which provides up to 8 + frames with a physical and optional virtual timer per frame. + + The memory mapped timer is attached to a GIC to deliver its interrupts via SPIs. + +properties: + compatible: + items: + - enum: + - arm,armv7-timer-mem + + reg: + maxItems: 1 + description: The control frame base address + + '#address-cells': + enum: [1, 2] + + '#size-cells': + const: 1 + + ranges: true + + clock-frequency: + description: The frequency of the main counter, in Hz. Should be present + only where necessary to work around broken firmware which does not configure + CNTFRQ on all CPUs to a uniform correct value. Use of this property is + strongly discouraged; fix your firmware unless absolutely impossible. + + always-on: + type: boolean + description: If present, the timer is powered through an always-on power + domain, therefore it never loses context. + + arm,cpu-registers-not-fw-configured: + type: boolean + description: Firmware does not initialize any of the generic timer CPU + registers, which contain their architecturally-defined reset values. Only + supported for 32-bit systems which follow the ARMv7 architected reset + values. + + arm,no-tick-in-suspend: + type: boolean + description: The main counter does not tick when the system is in + low-power system suspend on some SoCs. This behavior does not match the + Architecture Reference Manual's specification that the system counter "must + be implemented in an always-on power domain." + +patternProperties: + '^frame@[0-9a-z]*$': + type: object + additionalProperties: false + description: A timer node has up to 8 frame sub-nodes, each with the following properties. + properties: + frame-number: + $ref: "/schemas/types.yaml#/definitions/uint32" + minimum: 0 + maximum: 7 + + interrupts: + minItems: 1 + items: + - description: physical timer irq + - description: virtual timer irq + + reg: + minItems: 1 + items: + - description: 1st view base address + - description: 2nd optional view base address + + required: + - frame-number + - interrupts + - reg + +required: + - compatible + - reg + - '#address-cells' + - '#size-cells' + +additionalProperties: false + +examples: + - | + timer@f0000000 { + compatible = "arm,armv7-timer-mem"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0xf0001000 0x1000>; + reg = <0xf0000000 0x1000>; + clock-frequency = <50000000>; + + frame@0 { + frame-number = <0>; + interrupts = <0 13 0x8>, + <0 14 0x8>; + reg = <0x0000 0x1000>, + <0x1000 0x1000>; + }; + + frame@2000 { + frame-number = <1>; + interrupts = <0 15 0x8>; + reg = <0x2000 0x1000>; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/timer/arm,armv7m-systick.yaml b/Documentation/devicetree/bindings/timer/arm,armv7m-systick.yaml new file mode 100644 index 000000000..2bcade5d8 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/arm,armv7m-systick.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/arm,armv7m-systick.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ARMv7M System Timer + +maintainers: + - Alexandre Torgue <alexandre.torgue@foss.st.com> + - Fabrice Gasnier <fabrice.gasnier@foss.st.com> + +description: ARMv7-M includes a system timer, known as SysTick. + +properties: + compatible: + const: arm,armv7m-systick + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-frequency: true + +oneOf: + - required: + - clocks + - required: + - clock-frequency + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + timer@e000e010 { + compatible = "arm,armv7m-systick"; + reg = <0xe000e010 0x10>; + clocks = <&clk_systick>; + }; + + - | + timer@e000e010 { + compatible = "arm,armv7m-systick"; + reg = <0xe000e010 0x10>; + clock-frequency = <90000000>; + }; + +... diff --git a/Documentation/devicetree/bindings/timer/arm,global_timer.yaml b/Documentation/devicetree/bindings/timer/arm,global_timer.yaml new file mode 100644 index 000000000..4956c8f40 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/arm,global_timer.yaml @@ -0,0 +1,48 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/arm,global_timer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ARM Global Timer + +maintainers: + - Stuart Menefy <stuart.menefy@st.com> + +description: + Cortex-A9 are often associated with a per-core Global timer. + +properties: + compatible: + items: + - enum: + - arm,cortex-a5-global-timer + - arm,cortex-a9-global-timer + + description: driver supports versions r2p0 and above. + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + +required: + - compatible + - reg + - clocks + +additionalProperties: false + +examples: + - | + timer@2c000600 { + compatible = "arm,cortex-a9-global-timer"; + reg = <0x2c000600 0x20>; + interrupts = <1 13 0xf01>; + clocks = <&arm_periph_clk>; + }; +... diff --git a/Documentation/devicetree/bindings/timer/arm,mps2-timer.txt b/Documentation/devicetree/bindings/timer/arm,mps2-timer.txt new file mode 100644 index 000000000..48f84d74e --- /dev/null +++ b/Documentation/devicetree/bindings/timer/arm,mps2-timer.txt @@ -0,0 +1,28 @@ +ARM MPS2 timer + +The MPS2 platform has simple general-purpose 32 bits timers. + +Required properties: +- compatible : Should be "arm,mps2-timer" +- reg : Address and length of the register set +- interrupts : Reference to the timer interrupt + +Required clocking property, have to be one of: +- clocks : The input clock of the timer +- clock-frequency : The rate in HZ in input of the ARM MPS2 timer + +Examples: + +timer1: mps2-timer@40000000 { + compatible = "arm,mps2-timer"; + reg = <0x40000000 0x1000>; + interrupts = <8>; + clocks = <&sysclk>; +}; + +timer2: mps2-timer@40001000 { + compatible = "arm,mps2-timer"; + reg = <0x40001000 0x1000>; + interrupts = <9>; + clock-frequency = <25000000>; +}; diff --git a/Documentation/devicetree/bindings/timer/arm,sp804.yaml b/Documentation/devicetree/bindings/timer/arm,sp804.yaml new file mode 100644 index 000000000..41be7cdab --- /dev/null +++ b/Documentation/devicetree/bindings/timer/arm,sp804.yaml @@ -0,0 +1,97 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/arm,sp804.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ARM sp804 Dual Timers + +maintainers: + - Haojian Zhuang <haojian.zhuang@linaro.org> + +description: |+ + The Arm SP804 IP implements two independent timers, configurable for + 16 or 32 bit operation and capable of running in one-shot, periodic, or + free-running mode. The input clock is shared, but can be gated and prescaled + independently for each timer. + + There is a viriant of Arm SP804: Hisilicon 64-bit SP804 timer. Some Hisilicon + SoCs, such as Hi1212, should use the dedicated compatible: "hisilicon,sp804". + +# Need a custom select here or 'arm,primecell' will match on lots of nodes +select: + properties: + compatible: + contains: + enum: + - arm,sp804 + - hisilicon,sp804 + required: + - compatible + +properties: + compatible: + items: + - enum: + - arm,sp804 + - hisilicon,sp804 + - const: arm,primecell + + interrupts: + description: | + If two interrupts are listed, those are the interrupts for timer + 1 and 2, respectively. If there is only a single interrupt, it is + either a combined interrupt or the sole interrupt of one timer, as + specified by the "arm,sp804-has-irq" property. + minItems: 1 + maxItems: 2 + + reg: + description: The physical base address of the SP804 IP. + maxItems: 1 + + clocks: + description: | + Clocks driving the dual timer hardware. This list should + be 1 or 3 clocks. With 3 clocks, the order is timer0 clock, timer1 + clock, apb_pclk. A single clock can also be specified if the same + clock is used for all clock inputs. + oneOf: + - items: + - description: clock for timer 1 + - description: clock for timer 2 + - description: bus clock + - items: + - description: unified clock for both timers and the bus + + clock-names: true + # The original binding did not specify any clock names, and there is no + # consistent naming used in the existing DTs. The primecell binding + # requires the "apb_pclk" name, so we need this property. + # Use "timer0clk", "timer1clk", "apb_pclk" for new DTs. + + arm,sp804-has-irq: + description: If only one interrupt line is connected to the interrupt + controller, this property specifies which timer is connected to this + line. + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 1 + maximum: 2 + +required: + - compatible + - interrupts + - reg + - clocks + +additionalProperties: false + +examples: + - | + timer0: timer@fc800000 { + compatible = "arm,sp804", "arm,primecell"; + reg = <0xfc800000 0x1000>; + interrupts = <0 0 4>, <0 1 4>; + clocks = <&timclk1>, <&timclk2>, <&pclk>; + clock-names = "timer1", "timer2", "apb_pclk"; + }; diff --git a/Documentation/devicetree/bindings/timer/arm,twd-timer.yaml b/Documentation/devicetree/bindings/timer/arm,twd-timer.yaml new file mode 100644 index 000000000..5684df644 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/arm,twd-timer.yaml @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/arm,twd-timer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ARM Timer-Watchdog Timer + +maintainers: + - Rob Herring <robh@kernel.org> + +description: + ARM 11MP, Cortex-A5 and Cortex-A9 are often associated with a per-core + Timer-Watchdog (aka TWD), which provides both a per-cpu local timer + and watchdog. + + The TWD is usually attached to a GIC to deliver its two per-processor + interrupts. + +properties: + compatible: + enum: + - arm,cortex-a9-twd-timer + - arm,cortex-a5-twd-timer + - arm,arm11mp-twd-timer + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + always-on: + description: + If present, the timer is powered through an always-on power domain, + therefore it never loses context. + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + timer@2c000600 { + compatible = "arm,arm11mp-twd-timer"; + reg = <0x2c000600 0x20>; + interrupts = <GIC_PPI 13 0xf01>; + }; diff --git a/Documentation/devicetree/bindings/timer/brcm,bcm2835-system-timer.txt b/Documentation/devicetree/bindings/timer/brcm,bcm2835-system-timer.txt new file mode 100644 index 000000000..844bd5fbd --- /dev/null +++ b/Documentation/devicetree/bindings/timer/brcm,bcm2835-system-timer.txt @@ -0,0 +1,22 @@ +BCM2835 System Timer + +The System Timer peripheral provides four 32-bit timer channels and a +single 64-bit free running counter. Each channel has an output compare +register, which is compared against the 32 least significant bits of the +free running counter values, and generates an interrupt. + +Required properties: + +- compatible : should be "brcm,bcm2835-system-timer" +- reg : Specifies base physical address and size of the registers. +- interrupts : A list of 4 interrupt sinks; one per timer channel. +- clock-frequency : The frequency of the clock that drives the counter, in Hz. + +Example: + +timer { + compatible = "brcm,bcm2835-system-timer"; + reg = <0x7e003000 0x1000>; + interrupts = <1 0>, <1 1>, <1 2>, <1 3>; + clock-frequency = <1000000>; +}; diff --git a/Documentation/devicetree/bindings/timer/brcm,kona-timer.txt b/Documentation/devicetree/bindings/timer/brcm,kona-timer.txt new file mode 100644 index 000000000..39adf54b4 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/brcm,kona-timer.txt @@ -0,0 +1,25 @@ +Broadcom Kona Family timer +----------------------------------------------------- +This timer is used in the following Broadcom SoCs: + BCM11130, BCM11140, BCM11351, BCM28145, BCM28155 + +Required properties: +- compatible : "brcm,kona-timer" +- DEPRECATED: compatible : "bcm,kona-timer" +- reg : Register range for the timer +- interrupts : interrupt for the timer +- clocks: phandle + clock specifier pair of the external clock +- clock-frequency: frequency that the clock operates + +Only one of clocks or clock-frequency should be specified. + +Refer to clocks/clock-bindings.txt for generic clock consumer properties. + +Example: + timer@35006000 { + compatible = "brcm,kona-timer"; + reg = <0x35006000 0x1000>; + interrupts = <0x0 7 0x4>; + clocks = <&hub_timer_clk>; + }; + diff --git a/Documentation/devicetree/bindings/timer/cdns,ttc.yaml b/Documentation/devicetree/bindings/timer/cdns,ttc.yaml new file mode 100644 index 000000000..7d821fd48 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/cdns,ttc.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/cdns,ttc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cadence TTC - Triple Timer Counter + +maintainers: + - Michal Simek <michal.simek@xilinx.com> + +properties: + compatible: + const: cdns,ttc + + reg: + maxItems: 1 + + interrupts: + maxItems: 3 + description: | + A list of 3 interrupts; one per timer channel. + + clocks: + maxItems: 1 + + power-domains: + maxItems: 1 + + timer-width: + $ref: "/schemas/types.yaml#/definitions/uint32" + description: | + Bit width of the timer, necessary if not 16. + +required: + - compatible + - reg + - interrupts + - clocks + +additionalProperties: false + +examples: + - | + ttc0: ttc0@f8001000 { + interrupt-parent = <&intc>; + interrupts = <0 10 4>, <0 11 4>, <0 12 4>; + compatible = "cdns,ttc"; + reg = <0xF8001000 0x1000>; + clocks = <&cpu_clk 3>; + timer-width = <32>; + }; diff --git a/Documentation/devicetree/bindings/timer/cirrus,clps711x-timer.txt b/Documentation/devicetree/bindings/timer/cirrus,clps711x-timer.txt new file mode 100644 index 000000000..d4c62e7b1 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/cirrus,clps711x-timer.txt @@ -0,0 +1,29 @@ +* Cirrus Logic CLPS711X Timer Counter + +Required properties: +- compatible: Shall contain "cirrus,ep7209-timer". +- reg : Address and length of the register set. +- interrupts: The interrupt number of the timer. +- clocks : phandle of timer reference clock. + +Note: Each timer should have an alias correctly numbered in "aliases" node. + +Example: + aliases { + timer0 = &timer1; + timer1 = &timer2; + }; + + timer1: timer@80000300 { + compatible = "cirrus,ep7312-timer", "cirrus,ep7209-timer"; + reg = <0x80000300 0x4>; + interrupts = <8>; + clocks = <&clks 5>; + }; + + timer2: timer@80000340 { + compatible = "cirrus,ep7312-timer", "cirrus,ep7209-timer"; + reg = <0x80000340 0x4>; + interrupts = <9>; + clocks = <&clks 6>; + }; diff --git a/Documentation/devicetree/bindings/timer/csky,gx6605s-timer.txt b/Documentation/devicetree/bindings/timer/csky,gx6605s-timer.txt new file mode 100644 index 000000000..6b04344f4 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/csky,gx6605s-timer.txt @@ -0,0 +1,42 @@ +================= +gx6605s SOC Timer +================= + +The timer is used in gx6605s soc as system timer and the driver +contain clk event and clk source. + +============================== +timer node bindings definition +============================== + + Description: Describes gx6605s SOC timer + + PROPERTIES + + - compatible + Usage: required + Value type: <string> + Definition: must be "csky,gx6605s-timer" + - reg + Usage: required + Value type: <u32 u32> + Definition: <phyaddr size> in soc from cpu view + - clocks + Usage: required + Value type: phandle + clock specifier cells + Definition: must be input clk node + - interrupt + Usage: required + Value type: <u32> + Definition: must be timer irq num defined by soc + +Examples: +--------- + + timer0: timer@20a000 { + compatible = "csky,gx6605s-timer"; + reg = <0x0020a000 0x400>; + clocks = <&dummy_apb_clk>; + interrupts = <10>; + interrupt-parent = <&intc>; + }; diff --git a/Documentation/devicetree/bindings/timer/csky,mptimer.txt b/Documentation/devicetree/bindings/timer/csky,mptimer.txt new file mode 100644 index 000000000..f5c7e99cf --- /dev/null +++ b/Documentation/devicetree/bindings/timer/csky,mptimer.txt @@ -0,0 +1,42 @@ +============================ +C-SKY Multi-processors Timer +============================ + +C-SKY multi-processors timer is designed for C-SKY SMP system and the +regs is accessed by cpu co-processor 4 registers with mtcr/mfcr. + + - PTIM_CTLR "cr<0, 14>" Control reg to start reset timer. + - PTIM_TSR "cr<1, 14>" Interrupt cleanup status reg. + - PTIM_CCVR "cr<3, 14>" Current counter value reg. + - PTIM_LVR "cr<6, 14>" Window value reg to trigger next event. + +============================== +timer node bindings definition +============================== + + Description: Describes SMP timer + + PROPERTIES + + - compatible + Usage: required + Value type: <string> + Definition: must be "csky,mptimer" + - clocks + Usage: required + Value type: <node> + Definition: must be input clk node + - interrupts + Usage: required + Value type: <u32> + Definition: must be timer irq num defined by soc + +Examples: +--------- + + timer: timer { + compatible = "csky,mptimer"; + clocks = <&dummy_apb_clk>; + interrupts = <16>; + interrupt-parent = <&intc>; + }; diff --git a/Documentation/devicetree/bindings/timer/digicolor-timer.txt b/Documentation/devicetree/bindings/timer/digicolor-timer.txt new file mode 100644 index 000000000..d1b659bbc --- /dev/null +++ b/Documentation/devicetree/bindings/timer/digicolor-timer.txt @@ -0,0 +1,18 @@ +Conexant Digicolor SoCs Timer Controller + +Required properties: + +- compatible : should be "cnxt,cx92755-timer" +- reg : Specifies base physical address and size of the "Agent Communication" + timer registers +- interrupts : Contains 8 interrupts, one for each timer +- clocks: phandle to the main clock + +Example: + + timer@f0000fc0 { + compatible = "cnxt,cx92755-timer"; + reg = <0xf0000fc0 0x40>; + interrupts = <19>, <31>, <34>, <35>, <52>, <53>, <54>, <55>; + clocks = <&main_clk>; + }; diff --git a/Documentation/devicetree/bindings/timer/ezchip,nps400-timer0.txt b/Documentation/devicetree/bindings/timer/ezchip,nps400-timer0.txt new file mode 100644 index 000000000..e3cfce8fe --- /dev/null +++ b/Documentation/devicetree/bindings/timer/ezchip,nps400-timer0.txt @@ -0,0 +1,17 @@ +NPS Network Processor + +Required properties: + +- compatible : should be "ezchip,nps400-timer0" + +Clocks required for compatible = "ezchip,nps400-timer0": +- interrupts : The interrupt of the first timer +- clocks : Must contain a single entry describing the clock input + +Example: + +timer { + compatible = "ezchip,nps400-timer0"; + interrupts = <3>; + clocks = <&sysclk>; +}; diff --git a/Documentation/devicetree/bindings/timer/ezchip,nps400-timer1.txt b/Documentation/devicetree/bindings/timer/ezchip,nps400-timer1.txt new file mode 100644 index 000000000..c0ab4190b --- /dev/null +++ b/Documentation/devicetree/bindings/timer/ezchip,nps400-timer1.txt @@ -0,0 +1,15 @@ +NPS Network Processor + +Required properties: + +- compatible : should be "ezchip,nps400-timer1" + +Clocks required for compatible = "ezchip,nps400-timer1": +- clocks : Must contain a single entry describing the clock input + +Example: + +timer { + compatible = "ezchip,nps400-timer1"; + clocks = <&sysclk>; +}; diff --git a/Documentation/devicetree/bindings/timer/faraday,fttmr010.txt b/Documentation/devicetree/bindings/timer/faraday,fttmr010.txt new file mode 100644 index 000000000..3cb2f4c98 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/faraday,fttmr010.txt @@ -0,0 +1,38 @@ +Faraday Technology timer + +This timer is a generic IP block from Faraday Technology, embedded in the +Cortina Systems Gemini SoCs and other designs. + +Required properties: + +- compatible : Must be one of + "faraday,fttmr010" + "cortina,gemini-timer", "faraday,fttmr010" + "moxa,moxart-timer", "faraday,fttmr010" + "aspeed,ast2400-timer" + "aspeed,ast2500-timer" + "aspeed,ast2600-timer" + +- reg : Should contain registers location and length +- interrupts : Should contain the three timer interrupts usually with + flags for falling edge + +Optionally required properties: + +- clocks : a clock to provide the tick rate for "faraday,fttmr010" +- clock-names : should be "EXTCLK" and "PCLK" for the external tick timer + and peripheral clock respectively, for "faraday,fttmr010" +- syscon : a phandle to the global Gemini system controller if the compatible + type is "cortina,gemini-timer" + +Example: + +timer@43000000 { + compatible = "faraday,fttmr010"; + reg = <0x43000000 0x1000>; + interrupts = <14 IRQ_TYPE_EDGE_FALLING>, /* Timer 1 */ + <15 IRQ_TYPE_EDGE_FALLING>, /* Timer 2 */ + <16 IRQ_TYPE_EDGE_FALLING>; /* Timer 3 */ + clocks = <&extclk>, <&pclk>; + clock-names = "EXTCLK", "PCLK"; +}; diff --git a/Documentation/devicetree/bindings/timer/fsl,ftm-timer.txt b/Documentation/devicetree/bindings/timer/fsl,ftm-timer.txt new file mode 100644 index 000000000..aa8c40230 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/fsl,ftm-timer.txt @@ -0,0 +1,31 @@ +Freescale FlexTimer Module (FTM) Timer + +Required properties: + +- compatible : should be "fsl,ftm-timer" +- reg : Specifies base physical address and size of the register sets for the + clock event device and clock source device. +- interrupts : Should be the clock event device interrupt. +- clocks : The clocks provided by the SoC to drive the timer, must contain an + entry for each entry in clock-names. +- clock-names : Must include the following entries: + o "ftm-evt" + o "ftm-src" + o "ftm-evt-counter-en" + o "ftm-src-counter-en" +- big-endian: One boolean property, the big endian mode will be in use if it is + present, or the little endian mode will be in use for all the device registers. + +Example: +ftm: ftm@400b8000 { + compatible = "fsl,ftm-timer"; + reg = <0x400b8000 0x1000 0x400b9000 0x1000>; + interrupts = <0 44 IRQ_TYPE_LEVEL_HIGH>; + clock-names = "ftm-evt", "ftm-src", + "ftm-evt-counter-en", "ftm-src-counter-en"; + clocks = <&clks VF610_CLK_FTM2>, + <&clks VF610_CLK_FTM3>, + <&clks VF610_CLK_FTM2_EXT_FIX_EN>, + <&clks VF610_CLK_FTM3_EXT_FIX_EN>; + big-endian; +}; diff --git a/Documentation/devicetree/bindings/timer/fsl,gtm.txt b/Documentation/devicetree/bindings/timer/fsl,gtm.txt new file mode 100644 index 000000000..fc1c571f7 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/fsl,gtm.txt @@ -0,0 +1,30 @@ +* Freescale General-purpose Timers Module + +Required properties: + - compatible : should be + "fsl,<chip>-gtm", "fsl,gtm" for SOC GTMs + "fsl,<chip>-qe-gtm", "fsl,qe-gtm", "fsl,gtm" for QE GTMs + "fsl,<chip>-cpm2-gtm", "fsl,cpm2-gtm", "fsl,gtm" for CPM2 GTMs + - reg : should contain gtm registers location and length (0x40). + - interrupts : should contain four interrupts. + - clock-frequency : specifies the frequency driving the timer. + +Example: + +timer@500 { + compatible = "fsl,mpc8360-gtm", "fsl,gtm"; + reg = <0x500 0x40>; + interrupts = <90 8 78 8 84 8 72 8>; + interrupt-parent = <&ipic>; + /* filled by u-boot */ + clock-frequency = <0>; +}; + +timer@440 { + compatible = "fsl,mpc8360-qe-gtm", "fsl,qe-gtm", "fsl,gtm"; + reg = <0x440 0x40>; + interrupts = <12 13 14 15>; + interrupt-parent = <&qeic>; + /* filled by u-boot */ + clock-frequency = <0>; +}; diff --git a/Documentation/devicetree/bindings/timer/fsl,imxgpt.yaml b/Documentation/devicetree/bindings/timer/fsl,imxgpt.yaml new file mode 100644 index 000000000..a4f51f46b --- /dev/null +++ b/Documentation/devicetree/bindings/timer/fsl,imxgpt.yaml @@ -0,0 +1,72 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/fsl,imxgpt.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX General Purpose Timer (GPT) + +maintainers: + - Sascha Hauer <s.hauer@pengutronix.de> + +properties: + compatible: + oneOf: + - const: fsl,imx1-gpt + - const: fsl,imx21-gpt + - items: + - const: fsl,imx27-gpt + - const: fsl,imx21-gpt + - const: fsl,imx31-gpt + - items: + - enum: + - fsl,imx25-gpt + - fsl,imx50-gpt + - fsl,imx51-gpt + - fsl,imx53-gpt + - fsl,imx6q-gpt + - const: fsl,imx31-gpt + - const: fsl,imx6dl-gpt + - items: + - enum: + - fsl,imx6sl-gpt + - fsl,imx6sx-gpt + - const: fsl,imx6dl-gpt + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: SoC GPT ipg clock + - description: SoC GPT per clock + + clock-names: + items: + - const: ipg + - const: per + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/imx27-clock.h> + + timer@10003000 { + compatible = "fsl,imx27-gpt", "fsl,imx21-gpt"; + reg = <0x10003000 0x1000>; + interrupts = <26>; + clocks = <&clks IMX27_CLK_GPT1_IPG_GATE>, + <&clks IMX27_CLK_PER1_GATE>; + clock-names = "ipg", "per"; + }; diff --git a/Documentation/devicetree/bindings/timer/hpe,gxp-timer.yaml b/Documentation/devicetree/bindings/timer/hpe,gxp-timer.yaml new file mode 100644 index 000000000..d33d90f44 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/hpe,gxp-timer.yaml @@ -0,0 +1,47 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/hpe,gxp-timer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: HPE GXP Timer + +maintainers: + - Nick Hawkins <nick.hawkins@hpe.com> + - Jean-Marie Verdun <verdun@hpe.com> + +properties: + compatible: + const: hpe,gxp-timer + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + const: iop + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + timer@c0000000 { + compatible = "hpe,gxp-timer"; + reg = <0x80 0x16>; + interrupts = <0>; + interrupt-parent = <&vic0>; + clocks = <&iopclk>; + clock-names = "iop"; + }; diff --git a/Documentation/devicetree/bindings/timer/img,pistachio-gptimer.txt b/Documentation/devicetree/bindings/timer/img,pistachio-gptimer.txt new file mode 100644 index 000000000..7afce80bf --- /dev/null +++ b/Documentation/devicetree/bindings/timer/img,pistachio-gptimer.txt @@ -0,0 +1,28 @@ +* Pistachio general-purpose timer based clocksource + +Required properties: + - compatible: "img,pistachio-gptimer". + - reg: Address range of the timer registers. + - interrupts: An interrupt for each of the four timers + - clocks: Should contain a clock specifier for each entry in clock-names + - clock-names: Should contain the following entries: + "sys", interface clock + "slow", slow counter clock + "fast", fast counter clock + - img,cr-periph: Must contain a phandle to the peripheral control + syscon node. + +Example: + timer: timer@18102000 { + compatible = "img,pistachio-gptimer"; + reg = <0x18102000 0x100>; + interrupts = <GIC_SHARED 60 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SHARED 61 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SHARED 62 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SHARED 63 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clk_periph PERIPH_CLK_COUNTER_FAST>, + <&clk_periph PERIPH_CLK_COUNTER_SLOW>, + <&cr_periph SYS_CLK_TIMER>; + clock-names = "fast", "slow", "sys"; + img,cr-periph = <&cr_periph>; + }; diff --git a/Documentation/devicetree/bindings/timer/ingenic,sysost.yaml b/Documentation/devicetree/bindings/timer/ingenic,sysost.yaml new file mode 100644 index 000000000..98648bf9e --- /dev/null +++ b/Documentation/devicetree/bindings/timer/ingenic,sysost.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/ingenic,sysost.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Bindings for SYSOST in Ingenic XBurst family SoCs + +maintainers: + - 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com> + +description: + The SYSOST in an Ingenic SoC provides one 64bit timer for clocksource + and one or more 32bit timers for clockevent. + +properties: + "#clock-cells": + const: 1 + + compatible: + enum: + - ingenic,x1000-ost + - ingenic,x2000-ost + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + const: ost + + interrupts: + maxItems: 1 + +required: + - "#clock-cells" + - compatible + - reg + - clocks + - clock-names + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/ingenic,x1000-cgu.h> + + ost: timer@12000000 { + compatible = "ingenic,x1000-ost"; + reg = <0x12000000 0x3c>; + + #clock-cells = <1>; + + clocks = <&cgu X1000_CLK_OST>; + clock-names = "ost"; + + interrupt-parent = <&cpuintc>; + interrupts = <3>; + }; +... diff --git a/Documentation/devicetree/bindings/timer/ingenic,tcu.yaml b/Documentation/devicetree/bindings/timer/ingenic,tcu.yaml new file mode 100644 index 000000000..a84fef0fe --- /dev/null +++ b/Documentation/devicetree/bindings/timer/ingenic,tcu.yaml @@ -0,0 +1,302 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/ingenic,tcu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Ingenic SoCs Timer/Counter Unit (TCU) devicetree bindings + +description: | + For a description of the TCU hardware and drivers, have a look at + Documentation/mips/ingenic-tcu.rst. + +maintainers: + - Paul Cercueil <paul@crapouillou.net> + +select: + properties: + compatible: + contains: + enum: + - ingenic,jz4740-tcu + - ingenic,jz4725b-tcu + - ingenic,jz4760-tcu + - ingenic,jz4760b-tcu + - ingenic,jz4770-tcu + - ingenic,jz4780-tcu + - ingenic,x1000-tcu + required: + - compatible + +properties: + $nodename: + pattern: "^timer@[0-9a-f]+$" + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + + "#clock-cells": + const: 1 + + "#interrupt-cells": + const: 1 + + interrupt-controller: true + + ranges: true + + compatible: + oneOf: + - items: + - enum: + - ingenic,jz4740-tcu + - ingenic,jz4725b-tcu + - ingenic,jz4760-tcu + - ingenic,x1000-tcu + - const: simple-mfd + - items: + - enum: + - ingenic,jz4780-tcu + - ingenic,jz4770-tcu + - ingenic,jz4760b-tcu + - const: ingenic,jz4760-tcu + - const: simple-mfd + + reg: + maxItems: 1 + + clocks: + items: + - description: RTC clock + - description: EXT clock + - description: PCLK clock + - description: TCU clock + minItems: 3 + + clock-names: + items: + - const: rtc + - const: ext + - const: pclk + - const: tcu + minItems: 3 + + interrupts: + items: + - description: TCU0 interrupt + - description: TCU1 interrupt + - description: TCU2 interrupt + minItems: 1 + + assigned-clocks: + minItems: 1 + maxItems: 8 + + assigned-clock-parents: + minItems: 1 + maxItems: 8 + + assigned-clock-rates: + minItems: 1 + maxItems: 8 + + ingenic,pwm-channels-mask: + description: Bitmask of TCU channels reserved for PWM use. + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0x00 + maximum: 0xff + default: 0xfc + +patternProperties: + "^watchdog@[a-f0-9]+$": + type: object + $ref: /schemas/watchdog/watchdog.yaml# + unevaluatedProperties: false + + properties: + compatible: + oneOf: + - enum: + - ingenic,jz4740-watchdog + - ingenic,jz4780-watchdog + - items: + - enum: + - ingenic,jz4770-watchdog + - ingenic,jz4760b-watchdog + - ingenic,jz4760-watchdog + - ingenic,jz4725b-watchdog + - const: ingenic,jz4740-watchdog + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + const: wdt + + required: + - compatible + - reg + - clocks + - clock-names + + "^pwm@[a-f0-9]+$": + type: object + $ref: /schemas/pwm/pwm.yaml# + unevaluatedProperties: false + + properties: + compatible: + oneOf: + - enum: + - ingenic,jz4740-pwm + - ingenic,jz4725b-pwm + - ingenic,x1000-pwm + - items: + - enum: + - ingenic,jz4760-pwm + - ingenic,jz4760b-pwm + - ingenic,jz4770-pwm + - ingenic,jz4780-pwm + - const: ingenic,jz4740-pwm + + reg: + maxItems: 1 + + clocks: + minItems: 6 + maxItems: 8 + + clock-names: + items: + - const: timer0 + - const: timer1 + - const: timer2 + - const: timer3 + - const: timer4 + - const: timer5 + - const: timer6 + - const: timer7 + minItems: 6 + + required: + - compatible + - reg + - clocks + - clock-names + + "^timer@[a-f0-9]+$": + type: object + properties: + compatible: + oneOf: + - enum: + - ingenic,jz4725b-ost + - ingenic,jz4760b-ost + - items: + - const: ingenic,jz4760-ost + - const: ingenic,jz4725b-ost + - items: + - enum: + - ingenic,jz4780-ost + - ingenic,jz4770-ost + - const: ingenic,jz4760b-ost + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + const: ost + + interrupts: + maxItems: 1 + + required: + - compatible + - reg + - clocks + - clock-names + - interrupts + + additionalProperties: false + +required: + - "#clock-cells" + - "#interrupt-cells" + - interrupt-controller + - compatible + - reg + - clocks + - clock-names + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/ingenic,jz4770-cgu.h> + #include <dt-bindings/clock/ingenic,tcu.h> + tcu: timer@10002000 { + compatible = "ingenic,jz4770-tcu", "ingenic,jz4760-tcu", "simple-mfd"; + reg = <0x10002000 0x1000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x10002000 0x1000>; + + #clock-cells = <1>; + + clocks = <&cgu JZ4770_CLK_RTC>, + <&cgu JZ4770_CLK_EXT>, + <&cgu JZ4770_CLK_PCLK>; + clock-names = "rtc", "ext", "pclk"; + + interrupt-controller; + #interrupt-cells = <1>; + + interrupt-parent = <&intc>; + interrupts = <27 26 25>; + + watchdog: watchdog@0 { + compatible = "ingenic,jz4770-watchdog", "ingenic,jz4740-watchdog"; + reg = <0x0 0xc>; + + clocks = <&tcu TCU_CLK_WDT>; + clock-names = "wdt"; + }; + + pwm: pwm@40 { + compatible = "ingenic,jz4770-pwm", "ingenic,jz4740-pwm"; + reg = <0x40 0x80>; + + #pwm-cells = <3>; + + clocks = <&tcu TCU_CLK_TIMER0>, + <&tcu TCU_CLK_TIMER1>, + <&tcu TCU_CLK_TIMER2>, + <&tcu TCU_CLK_TIMER3>, + <&tcu TCU_CLK_TIMER4>, + <&tcu TCU_CLK_TIMER5>, + <&tcu TCU_CLK_TIMER6>, + <&tcu TCU_CLK_TIMER7>; + clock-names = "timer0", "timer1", "timer2", "timer3", + "timer4", "timer5", "timer6", "timer7"; + }; + + ost: timer@e0 { + compatible = "ingenic,jz4770-ost", "ingenic,jz4760b-ost"; + reg = <0xe0 0x20>; + + clocks = <&tcu TCU_CLK_OST>; + clock-names = "ost"; + + interrupts = <15>; + }; + }; diff --git a/Documentation/devicetree/bindings/timer/intel,ixp4xx-timer.yaml b/Documentation/devicetree/bindings/timer/intel,ixp4xx-timer.yaml new file mode 100644 index 000000000..f32575d4b --- /dev/null +++ b/Documentation/devicetree/bindings/timer/intel,ixp4xx-timer.yaml @@ -0,0 +1,43 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2018 Linaro Ltd. +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/timer/intel,ixp4xx-timer.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Intel IXP4xx XScale Networking Processors Timers + +maintainers: + - Linus Walleij <linus.walleij@linaro.org> + +description: This timer is found in the Intel IXP4xx processors. + +properties: + compatible: + items: + - const: intel,ixp4xx-timer + + reg: + maxItems: 1 + + interrupts: + minItems: 1 + items: + - description: Timer 1 interrupt + - description: Timer 2 interrupt + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + timer@c8005000 { + compatible = "intel,ixp4xx-timer"; + reg = <0xc8005000 0x100>; + interrupts = <5 IRQ_TYPE_LEVEL_HIGH>; + }; diff --git a/Documentation/devicetree/bindings/timer/jcore,pit.txt b/Documentation/devicetree/bindings/timer/jcore,pit.txt new file mode 100644 index 000000000..af5dd3546 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/jcore,pit.txt @@ -0,0 +1,24 @@ +J-Core Programmable Interval Timer and Clocksource + +Required properties: + +- compatible: Must be "jcore,pit". + +- reg: Memory region(s) for timer/clocksource registers. For SMP, + there should be one region per cpu, indexed by the sequential, + zero-based hardware cpu number. + +- interrupts: An interrupt to assign for the timer. The actual pit + core is integrated with the aic and allows the timer interrupt + assignment to be programmed by software, but this property is + required in order to reserve an interrupt number that doesn't + conflict with other devices. + + +Example: + +timer@200 { + compatible = "jcore,pit"; + reg = < 0x200 0x30 0x500 0x30 >; + interrupts = < 0x48 >; +}; diff --git a/Documentation/devicetree/bindings/timer/lsi,zevio-timer.txt b/Documentation/devicetree/bindings/timer/lsi,zevio-timer.txt new file mode 100644 index 000000000..b2d07ad90 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/lsi,zevio-timer.txt @@ -0,0 +1,33 @@ +TI-NSPIRE timer + +Required properties: + +- compatible : should be "lsi,zevio-timer". +- reg : The physical base address and size of the timer (always first). +- clocks: phandle to the source clock. + +Optional properties: + +- interrupts : The interrupt number of the first timer. +- reg : The interrupt acknowledgement registers + (always after timer base address) + +If any of the optional properties are not given, the timer is added as a +clock-source only. + +Example: + +timer { + compatible = "lsi,zevio-timer"; + reg = <0x900D0000 0x1000>, <0x900A0020 0x8>; + interrupts = <19>; + clocks = <&timer_clk>; +}; + +Example (no clock-events): + +timer { + compatible = "lsi,zevio-timer"; + reg = <0x900D0000 0x1000>; + clocks = <&timer_clk>; +}; diff --git a/Documentation/devicetree/bindings/timer/marvell,armada-370-xp-timer.txt b/Documentation/devicetree/bindings/timer/marvell,armada-370-xp-timer.txt new file mode 100644 index 000000000..e9c78ce88 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/marvell,armada-370-xp-timer.txt @@ -0,0 +1,44 @@ +Marvell Armada 370 and Armada XP Timers +--------------------------------------- + +Required properties: +- compatible: Should be one of the following + "marvell,armada-370-timer", + "marvell,armada-375-timer", + "marvell,armada-xp-timer". +- interrupts: Should contain the list of Global Timer interrupts and + then local timer interrupts +- reg: Should contain location and length for timers register. First + pair for the Global Timer registers, second pair for the + local/private timers. + +Clocks required for compatible = "marvell,armada-370-timer": +- clocks : Must contain a single entry describing the clock input + +Clocks required for compatibles = "marvell,armada-xp-timer", + "marvell,armada-375-timer": +- clocks : Must contain an entry for each entry in clock-names. +- clock-names : Must include the following entries: + "nbclk" (L2/coherency fabric clock), + "fixed" (Reference 25 MHz fixed-clock). + +Examples: + +- Armada 370: + + timer { + compatible = "marvell,armada-370-timer"; + reg = <0x20300 0x30>, <0x21040 0x30>; + interrupts = <37>, <38>, <39>, <40>, <5>, <6>; + clocks = <&coreclk 2>; + }; + +- Armada XP: + + timer { + compatible = "marvell,armada-xp-timer"; + reg = <0x20300 0x30>, <0x21040 0x30>; + interrupts = <37>, <38>, <39>, <40>, <5>, <6>; + clocks = <&coreclk 2>, <&refclk>; + clock-names = "nbclk", "fixed"; + }; diff --git a/Documentation/devicetree/bindings/timer/marvell,orion-timer.txt b/Documentation/devicetree/bindings/timer/marvell,orion-timer.txt new file mode 100644 index 000000000..cd1a0c256 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/marvell,orion-timer.txt @@ -0,0 +1,16 @@ +Marvell Orion SoC timer + +Required properties: +- compatible: shall be "marvell,orion-timer" +- reg: base address of the timer register starting with TIMERS CONTROL register +- interrupts: should contain the interrupts for Timer0 and Timer1 +- clocks: phandle of timer reference clock (tclk) + +Example: + timer: timer { + compatible = "marvell,orion-timer"; + reg = <0x20300 0x20>; + interrupt-parent = <&bridge_intc>; + interrupts = <1>, <2>; + clocks = <&core_clk 0>; + }; diff --git a/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt b/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt new file mode 100644 index 000000000..8bbb6e945 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt @@ -0,0 +1,47 @@ +MediaTek Timers +--------------- + +MediaTek SoCs have different timers on different platforms, +- CPUX (ARM/ARM64 System Timer) +- GPT (General Purpose Timer) +- SYST (System Timer) + +The proper timer will be selected automatically by driver. + +Required properties: +- compatible should contain: + For those SoCs that use GPT + * "mediatek,mt2701-timer" for MT2701 compatible timers (GPT) + * "mediatek,mt6580-timer" for MT6580 compatible timers (GPT) + * "mediatek,mt6582-timer" for MT6582 compatible timers (GPT) + * "mediatek,mt6589-timer" for MT6589 compatible timers (GPT) + * "mediatek,mt7623-timer" for MT7623 compatible timers (GPT) + * "mediatek,mt8127-timer" for MT8127 compatible timers (GPT) + * "mediatek,mt8135-timer" for MT8135 compatible timers (GPT) + * "mediatek,mt8173-timer" for MT8173 compatible timers (GPT) + * "mediatek,mt8516-timer" for MT8516 compatible timers (GPT) + * "mediatek,mt6577-timer" for MT6577 and all above compatible timers (GPT) + + For those SoCs that use SYST + * "mediatek,mt8183-timer" for MT8183 compatible timers (SYST) + * "mediatek,mt8186-timer" for MT8186 compatible timers (SYST) + * "mediatek,mt8188-timer" for MT8188 compatible timers (SYST) + * "mediatek,mt8192-timer" for MT8192 compatible timers (SYST) + * "mediatek,mt8195-timer" for MT8195 compatible timers (SYST) + * "mediatek,mt7629-timer" for MT7629 compatible timers (SYST) + * "mediatek,mt6765-timer" for MT6765 and all above compatible timers (SYST) + + For those SoCs that use CPUX + * "mediatek,mt6795-systimer" for MT6795 compatible timers (CPUX) + +- reg: Should contain location and length for timer register. +- clocks: Should contain system clock. + +Examples: + + timer@10008000 { + compatible = "mediatek,mt6577-timer"; + reg = <0x10008000 0x80>; + interrupts = <GIC_SPI 113 IRQ_TYPE_LEVEL_LOW>; + clocks = <&system_clk>; + }; diff --git a/Documentation/devicetree/bindings/timer/mrvl,mmp-timer.yaml b/Documentation/devicetree/bindings/timer/mrvl,mmp-timer.yaml new file mode 100644 index 000000000..1fbc260a0 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/mrvl,mmp-timer.yaml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: GPL-2.0-only +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/mrvl,mmp-timer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Marvell MMP Timer bindings + +maintainers: + - Daniel Lezcano <daniel.lezcano@linaro.org> + - Thomas Gleixner <tglx@linutronix.de> + - Rob Herring <robh+dt@kernel.org> + +properties: + $nodename: + pattern: '^timer@[a-f0-9]+$' + + compatible: + const: mrvl,mmp-timer + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + timer@d4014000 { + compatible = "mrvl,mmp-timer"; + reg = <0xd4014000 0x100>; + interrupts = <13>; + clocks = <&coreclk 2>; + }; + +... diff --git a/Documentation/devicetree/bindings/timer/mstar,msc313e-timer.yaml b/Documentation/devicetree/bindings/timer/mstar,msc313e-timer.yaml new file mode 100644 index 000000000..f118ca423 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/mstar,msc313e-timer.yaml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/mstar,msc313e-timer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mstar MSC313e Timer + +maintainers: + - Daniel Palmer <daniel@0x0f.com> + - Romain Perier <romain.perier@gmail.com> + +properties: + compatible: + enum: + - mstar,msc313e-timer + - sstar,ssd20xd-timer + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + timer@6040 { + compatible = "mstar,msc313e-timer"; + reg = <0x6040 0x40>; + clocks = <&xtal_div2>; + interrupts-extended = <&intc_fiq GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>; + }; +... diff --git a/Documentation/devicetree/bindings/timer/nuvoton,npcm7xx-timer.yaml b/Documentation/devicetree/bindings/timer/nuvoton,npcm7xx-timer.yaml new file mode 100644 index 000000000..737af78ad --- /dev/null +++ b/Documentation/devicetree/bindings/timer/nuvoton,npcm7xx-timer.yaml @@ -0,0 +1,48 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/nuvoton,npcm7xx-timer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Nuvoton NPCM7xx timer + +maintainers: + - Jonathan Neuschäfer <j.neuschaefer@gmx.net> + - Tomer Maimon <tmaimon77@gmail.com> + +properties: + compatible: + enum: + - nuvoton,wpcm450-timer # for Hermon WPCM450 + - nuvoton,npcm750-timer # for Poleg NPCM750 + - nuvoton,npcm845-timer # for Arbel NPCM845 + + reg: + maxItems: 1 + + interrupts: + items: + - description: The timer interrupt of timer 0 + + clocks: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/nuvoton,npcm7xx-clock.h> + timer@f0008000 { + compatible = "nuvoton,npcm750-timer"; + interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>; + reg = <0xf0008000 0x50>; + clocks = <&clk NPCM7XX_CLK_TIMER>; + }; diff --git a/Documentation/devicetree/bindings/timer/nvidia,tegra-timer.yaml b/Documentation/devicetree/bindings/timer/nvidia,tegra-timer.yaml new file mode 100644 index 000000000..b78209cd0 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/nvidia,tegra-timer.yaml @@ -0,0 +1,150 @@ +# SPDX-License-Identifier: GPL-2.0-only +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/timer/nvidia,tegra-timer.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: NVIDIA Tegra timer + +maintainers: + - Stephen Warren <swarren@nvidia.com> + +allOf: + - if: + properties: + compatible: + contains: + const: nvidia,tegra210-timer + then: + properties: + interrupts: + # Either a single combined interrupt or up to 14 individual interrupts + minItems: 1 + maxItems: 14 + description: > + A list of 14 interrupts; one per each timer channels 0 through 13 + + - if: + properties: + compatible: + oneOf: + - items: + - enum: + - nvidia,tegra114-timer + - nvidia,tegra124-timer + - nvidia,tegra132-timer + - const: nvidia,tegra30-timer + - items: + - const: nvidia,tegra30-timer + - const: nvidia,tegra20-timer + then: + properties: + interrupts: + # Either a single combined interrupt or up to 6 individual interrupts + minItems: 1 + maxItems: 6 + description: > + A list of 6 interrupts; one per each of timer channels 1 through 5, + and one for the shared interrupt for the remaining channels. + + - if: + properties: + compatible: + const: nvidia,tegra20-timer + then: + properties: + interrupts: + # Either a single combined interrupt or up to 4 individual interrupts + minItems: 1 + maxItems: 4 + description: | + A list of 4 interrupts; one per timer channel. + +properties: + compatible: + oneOf: + - const: nvidia,tegra210-timer + description: > + The Tegra210 timer provides fourteen 29-bit timer counters and one 32-bit + timestamp counter. The TMRs run at either a fixed 1 MHz clock rate derived + from the oscillator clock (TMR0-TMR9) or directly at the oscillator clock + (TMR10-TMR13). Each TMR can be programmed to generate one-shot, periodic, + or watchdog interrupts. + - items: + - enum: + - nvidia,tegra114-timer + - nvidia,tegra124-timer + - nvidia,tegra132-timer + - const: nvidia,tegra30-timer + - items: + - const: nvidia,tegra30-timer + - const: nvidia,tegra20-timer + description: > + The Tegra30 timer provides ten 29-bit timer channels, a single 32-bit free + running counter, and 5 watchdog modules. The first two channels may also + trigger a legacy watchdog reset. + - const: nvidia,tegra20-timer + description: > + The Tegra20 timer provides four 29-bit timer channels and a single 32-bit free + running counter. The first two channels may also trigger a watchdog reset. + + reg: + maxItems: 1 + + interrupts: true + + clocks: + maxItems: 1 + + clock-names: + items: + - const: timer + + +required: + - compatible + - reg + - interrupts + - clocks + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + timer@60005000 { + compatible = "nvidia,tegra30-timer", "nvidia,tegra20-timer"; + reg = <0x60005000 0x400>; + interrupts = <0 0 IRQ_TYPE_LEVEL_HIGH>, + <0 1 IRQ_TYPE_LEVEL_HIGH>, + <0 41 IRQ_TYPE_LEVEL_HIGH>, + <0 42 IRQ_TYPE_LEVEL_HIGH>, + <0 121 IRQ_TYPE_LEVEL_HIGH>, + <0 122 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&tegra_car 214>; + }; + - | + #include <dt-bindings/clock/tegra210-car.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + + timer@60005000 { + compatible = "nvidia,tegra210-timer"; + reg = <0x60005000 0x400>; + interrupts = <GIC_SPI 156 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 152 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 155 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 177 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 179 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&tegra_car TEGRA210_CLK_TIMER>; + clock-names = "timer"; + }; diff --git a/Documentation/devicetree/bindings/timer/nvidia,tegra186-timer.yaml b/Documentation/devicetree/bindings/timer/nvidia,tegra186-timer.yaml new file mode 100644 index 000000000..db8b55955 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/nvidia,tegra186-timer.yaml @@ -0,0 +1,109 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/timer/nvidia,tegra186-timer.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: NVIDIA Tegra186 timer + +maintainers: + - Thierry Reding <treding@nvidia.com> + +description: > + The Tegra timer provides 29-bit timer counters and a 32-bit timestamp + counter. Each NV timer selects its timing reference signal from the 1 MHz + reference generated by USEC, TSC or either clk_m or OSC. Each TMR can be + programmed to generate one-shot, periodic, or watchdog interrupts. + + +properties: + compatible: + oneOf: + - const: nvidia,tegra186-timer + description: > + The Tegra186 timer provides ten 29-bit timer counters. + - const: nvidia,tegra234-timer + description: > + The Tegra234 timer provides sixteen 29-bit timer counters. + + reg: + maxItems: 1 + + interrupts: true + +allOf: + - if: + properties: + compatible: + contains: + const: nvidia,tegra186-timer + then: + properties: + interrupts: + maxItems: 10 + description: > + One per each timer channels 0 through 9. + + - if: + properties: + compatible: + contains: + const: nvidia,tegra234-timer + then: + properties: + interrupts: + maxItems: 16 + description: > + One per each timer channels 0 through 15. + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + + timer@3010000 { + compatible = "nvidia,tegra186-timer"; + reg = <0x03010000 0x000e0000>; + interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>; + }; + + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + + timer@2080000 { + compatible = "nvidia,tegra234-timer"; + reg = <0x02080000 0x00121000>; + interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>; + }; diff --git a/Documentation/devicetree/bindings/timer/nxp,lpc3220-timer.txt b/Documentation/devicetree/bindings/timer/nxp,lpc3220-timer.txt new file mode 100644 index 000000000..51b05a0e7 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/nxp,lpc3220-timer.txt @@ -0,0 +1,26 @@ +* NXP LPC3220 timer + +The NXP LPC3220 timer is used on a wide range of NXP SoCs. This +includes LPC32xx, LPC178x, LPC18xx and LPC43xx parts. + +Required properties: +- compatible: + Should be "nxp,lpc3220-timer". +- reg: + Address and length of the register set. +- interrupts: + Reference to the timer interrupt +- clocks: + Should contain a reference to timer clock. +- clock-names: + Should contain "timerclk". + +Example: + +timer1: timer@40085000 { + compatible = "nxp,lpc3220-timer"; + reg = <0x40085000 0x1000>; + interrupts = <13>; + clocks = <&ccu1 CLK_CPU_TIMER1>; + clock-names = "timerclk"; +}; diff --git a/Documentation/devicetree/bindings/timer/nxp,sysctr-timer.yaml b/Documentation/devicetree/bindings/timer/nxp,sysctr-timer.yaml new file mode 100644 index 000000000..2b9653daf --- /dev/null +++ b/Documentation/devicetree/bindings/timer/nxp,sysctr-timer.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/nxp,sysctr-timer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP System Counter Module(sys_ctr) + +maintainers: + - Bai Ping <ping.bai@nxp.com> + +description: | + The system counter(sys_ctr) is a programmable system counter + which provides a shared time base to Cortex A15, A7, A53, A73, + etc. it is intended for use in applications where the counter + is always powered and support multiple, unrelated clocks. The + compare frame inside can be used for timer purpose. + +properties: + compatible: + const: nxp,sysctr-timer + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + const: per + + nxp,no-divider: + description: if present, means there is no internal base clk divider. + type: boolean + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + timer@306a0000 { + compatible = "nxp,sysctr-timer"; + reg = <0x306a0000 0x20000>; + clocks = <&clk_8m>; + clock-names = "per"; + interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>; + }; diff --git a/Documentation/devicetree/bindings/timer/nxp,tpm-timer.yaml b/Documentation/devicetree/bindings/timer/nxp,tpm-timer.yaml new file mode 100644 index 000000000..f69773a8e --- /dev/null +++ b/Documentation/devicetree/bindings/timer/nxp,tpm-timer.yaml @@ -0,0 +1,65 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/nxp,tpm-timer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP Low Power Timer/Pulse Width Modulation Module (TPM) + +maintainers: + - Dong Aisheng <aisheng.dong@nxp.com> + +description: | + The Timer/PWM Module (TPM) supports input capture, output compare, + and the generation of PWM signals to control electric motor and power + management applications. The counter, compare and capture registers + are clocked by an asynchronous clock that can remain enabled in low + power modes. TPM can support global counter bus where one TPM drives + the counter bus for the others, provided bit width is the same. + +properties: + compatible: + oneOf: + - const: fsl,imx7ulp-tpm + - items: + - const: fsl,imx8ulp-tpm + - const: fsl,imx7ulp-tpm + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: SoC TPM ipg clock + - description: SoC TPM per clock + + clock-names: + items: + - const: ipg + - const: per + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/imx7ulp-clock.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + timer@40260000 { + compatible = "fsl,imx7ulp-tpm"; + reg = <0x40260000 0x1000>; + interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&scg1 IMX7ULP_CLK_NIC1_BUS_DIV>, + <&pcc2 IMX7ULP_CLK_LPTPM5>; + clock-names = "ipg", "per"; + }; diff --git a/Documentation/devicetree/bindings/timer/oxsemi,rps-timer.txt b/Documentation/devicetree/bindings/timer/oxsemi,rps-timer.txt new file mode 100644 index 000000000..d19161253 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/oxsemi,rps-timer.txt @@ -0,0 +1,17 @@ +Oxford Semiconductor OXNAS SoCs Family RPS Timer +================================================ + +Required properties: +- compatible: Should be "oxsemi,ox810se-rps-timer" or "oxsemi,ox820-rps-timer" +- reg : Specifies base physical address and size of the registers. +- interrupts : The interrupts of the two timers +- clocks : The phandle of the timer clock source + +example: + +timer0: timer@200 { + compatible = "oxsemi,ox810se-rps-timer"; + reg = <0x200 0x40>; + clocks = <&rpsclk>; + interrupts = <4 5>; +}; diff --git a/Documentation/devicetree/bindings/timer/qcom,msm-timer.txt b/Documentation/devicetree/bindings/timer/qcom,msm-timer.txt new file mode 100644 index 000000000..5e10c3455 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/qcom,msm-timer.txt @@ -0,0 +1,47 @@ +* MSM Timer + +Properties: + +- compatible : Should at least contain "qcom,msm-timer". More specific + properties specify which subsystem the timers are paired with. + + "qcom,kpss-timer" - krait subsystem + "qcom,scss-timer" - scorpion subsystem + +- interrupts : Interrupts for the debug timer, the first general purpose + timer, and optionally a second general purpose timer, and + optionally as well, 2 watchdog interrupts, in that order. + +- reg : Specifies the base address of the timer registers. + +- clocks: Reference to the parent clocks, one per output clock. The parents + must appear in the same order as the clock names. + +- clock-names: The name of the clocks as free-form strings. They should be in + the same order as the clocks. + +- clock-frequency : The frequency of the debug timer and the general purpose + timer(s) in Hz in that order. + +Optional: + +- cpu-offset : per-cpu offset used when the timer is accessed without the + CPU remapping facilities. The offset is + cpu-offset + (0x10000 * cpu-nr). + +Example: + + timer@200a000 { + compatible = "qcom,scss-timer", "qcom,msm-timer"; + interrupts = <1 1 0x301>, + <1 2 0x301>, + <1 3 0x301>, + <1 4 0x301>, + <1 5 0x301>; + reg = <0x0200a000 0x100>; + clock-frequency = <19200000>, + <32768>; + clocks = <&sleep_clk>; + clock-names = "sleep"; + cpu-offset = <0x40000>; + }; diff --git a/Documentation/devicetree/bindings/timer/rda,8810pl-timer.yaml b/Documentation/devicetree/bindings/timer/rda,8810pl-timer.yaml new file mode 100644 index 000000000..f9043a448 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/rda,8810pl-timer.yaml @@ -0,0 +1,47 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/rda,8810pl-timer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: RDA Micro RDA8810PL Timer + +maintainers: + - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> + +properties: + compatible: + const: rda,8810pl-timer + + reg: + maxItems: 1 + + interrupts: + minItems: 2 + maxItems: 2 + + interrupt-names: + items: + - const: hwtimer + - const: ostimer + +required: + - compatible + - reg + - interrupts + - interrupt-names + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + + timer@20910000 { + compatible = "rda,8810pl-timer"; + reg = <0x20910000 0x1000>; + interrupts = <16 IRQ_TYPE_LEVEL_HIGH>, + <17 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "hwtimer", "ostimer"; + }; +... diff --git a/Documentation/devicetree/bindings/timer/renesas,cmt.yaml b/Documentation/devicetree/bindings/timer/renesas,cmt.yaml new file mode 100644 index 000000000..bde6c9b66 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/renesas,cmt.yaml @@ -0,0 +1,202 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/renesas,cmt.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas Compare Match Timer (CMT) + +maintainers: + - Geert Uytterhoeven <geert+renesas@glider.be> + - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> + +description: + The CMT is a multi-channel 16/32/48-bit timer/counter with configurable clock + inputs and programmable compare match. + + Channels share hardware resources but their counter and compare match values + are independent. A particular CMT instance can implement only a subset of the + channels supported by the CMT model. Channel indices represent the hardware + position of the channel in the CMT and don't match the channel numbers in the + datasheets. + +properties: + compatible: + oneOf: + - items: + - enum: + - renesas,r8a7740-cmt0 # 32-bit CMT0 on R-Mobile A1 + - renesas,r8a7740-cmt1 # 48-bit CMT1 on R-Mobile A1 + - renesas,r8a7740-cmt2 # 32-bit CMT2 on R-Mobile A1 + - renesas,r8a7740-cmt3 # 32-bit CMT3 on R-Mobile A1 + - renesas,r8a7740-cmt4 # 32-bit CMT4 on R-Mobile A1 + - renesas,sh73a0-cmt0 # 32-bit CMT0 on SH-Mobile AG5 + - renesas,sh73a0-cmt1 # 48-bit CMT1 on SH-Mobile AG5 + - renesas,sh73a0-cmt2 # 32-bit CMT2 on SH-Mobile AG5 + - renesas,sh73a0-cmt3 # 32-bit CMT3 on SH-Mobile AG5 + - renesas,sh73a0-cmt4 # 32-bit CMT4 on SH-Mobile AG5 + + - items: + - enum: + - renesas,r8a73a4-cmt0 # 32-bit CMT0 on R-Mobile APE6 + - renesas,r8a7742-cmt0 # 32-bit CMT0 on RZ/G1H + - renesas,r8a7743-cmt0 # 32-bit CMT0 on RZ/G1M + - renesas,r8a7744-cmt0 # 32-bit CMT0 on RZ/G1N + - renesas,r8a7745-cmt0 # 32-bit CMT0 on RZ/G1E + - renesas,r8a77470-cmt0 # 32-bit CMT0 on RZ/G1C + - renesas,r8a7790-cmt0 # 32-bit CMT0 on R-Car H2 + - renesas,r8a7791-cmt0 # 32-bit CMT0 on R-Car M2-W + - renesas,r8a7792-cmt0 # 32-bit CMT0 on R-Car V2H + - renesas,r8a7793-cmt0 # 32-bit CMT0 on R-Car M2-N + - renesas,r8a7794-cmt0 # 32-bit CMT0 on R-Car E2 + - const: renesas,rcar-gen2-cmt0 # 32-bit CMT0 on R-Mobile APE6, R-Car Gen2 and RZ/G1 + + - items: + - enum: + - renesas,r8a73a4-cmt1 # 48-bit CMT1 on R-Mobile APE6 + - renesas,r8a7742-cmt1 # 48-bit CMT1 on RZ/G1H + - renesas,r8a7743-cmt1 # 48-bit CMT1 on RZ/G1M + - renesas,r8a7744-cmt1 # 48-bit CMT1 on RZ/G1N + - renesas,r8a7745-cmt1 # 48-bit CMT1 on RZ/G1E + - renesas,r8a77470-cmt1 # 48-bit CMT1 on RZ/G1C + - renesas,r8a7790-cmt1 # 48-bit CMT1 on R-Car H2 + - renesas,r8a7791-cmt1 # 48-bit CMT1 on R-Car M2-W + - renesas,r8a7792-cmt1 # 48-bit CMT1 on R-Car V2H + - renesas,r8a7793-cmt1 # 48-bit CMT1 on R-Car M2-N + - renesas,r8a7794-cmt1 # 48-bit CMT1 on R-Car E2 + - const: renesas,rcar-gen2-cmt1 # 48-bit CMT1 on R-Mobile APE6, R-Car Gen2 and RZ/G1 + + - items: + - enum: + - renesas,r8a774a1-cmt0 # 32-bit CMT0 on RZ/G2M + - renesas,r8a774b1-cmt0 # 32-bit CMT0 on RZ/G2N + - renesas,r8a774c0-cmt0 # 32-bit CMT0 on RZ/G2E + - renesas,r8a774e1-cmt0 # 32-bit CMT0 on RZ/G2H + - renesas,r8a7795-cmt0 # 32-bit CMT0 on R-Car H3 + - renesas,r8a7796-cmt0 # 32-bit CMT0 on R-Car M3-W + - renesas,r8a77961-cmt0 # 32-bit CMT0 on R-Car M3-W+ + - renesas,r8a77965-cmt0 # 32-bit CMT0 on R-Car M3-N + - renesas,r8a77970-cmt0 # 32-bit CMT0 on R-Car V3M + - renesas,r8a77980-cmt0 # 32-bit CMT0 on R-Car V3H + - renesas,r8a77990-cmt0 # 32-bit CMT0 on R-Car E3 + - renesas,r8a77995-cmt0 # 32-bit CMT0 on R-Car D3 + - const: renesas,rcar-gen3-cmt0 # 32-bit CMT0 on R-Car Gen3 and RZ/G2 + + - items: + - enum: + - renesas,r8a774a1-cmt1 # 48-bit CMT on RZ/G2M + - renesas,r8a774b1-cmt1 # 48-bit CMT on RZ/G2N + - renesas,r8a774c0-cmt1 # 48-bit CMT on RZ/G2E + - renesas,r8a774e1-cmt1 # 48-bit CMT on RZ/G2H + - renesas,r8a7795-cmt1 # 48-bit CMT on R-Car H3 + - renesas,r8a7796-cmt1 # 48-bit CMT on R-Car M3-W + - renesas,r8a77961-cmt1 # 48-bit CMT on R-Car M3-W+ + - renesas,r8a77965-cmt1 # 48-bit CMT on R-Car M3-N + - renesas,r8a77970-cmt1 # 48-bit CMT on R-Car V3M + - renesas,r8a77980-cmt1 # 48-bit CMT on R-Car V3H + - renesas,r8a77990-cmt1 # 48-bit CMT on R-Car E3 + - renesas,r8a77995-cmt1 # 48-bit CMT on R-Car D3 + - const: renesas,rcar-gen3-cmt1 # 48-bit CMT on R-Car Gen3 and RZ/G2 + + - items: + - enum: + - renesas,r8a779a0-cmt0 # 32-bit CMT0 on R-Car V3U + - renesas,r8a779f0-cmt0 # 32-bit CMT0 on R-Car S4-8 + - const: renesas,rcar-gen4-cmt0 # 32-bit CMT0 on R-Car Gen4 + + - items: + - enum: + - renesas,r8a779a0-cmt1 # 48-bit CMT on R-Car V3U + - renesas,r8a779f0-cmt1 # 48-bit CMT on R-Car S4-8 + - const: renesas,rcar-gen4-cmt1 # 48-bit CMT on R-Car Gen4 + + reg: + maxItems: 1 + + interrupts: + minItems: 1 + maxItems: 8 + + clocks: + maxItems: 1 + + clock-names: + const: fck + + power-domains: + maxItems: 1 + + resets: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - power-domains + +allOf: + - if: + properties: + compatible: + contains: + enum: + - renesas,rcar-gen2-cmt0 + - renesas,rcar-gen3-cmt0 + - renesas,rcar-gen4-cmt0 + then: + properties: + interrupts: + minItems: 2 + maxItems: 2 + + - if: + properties: + compatible: + contains: + enum: + - renesas,rcar-gen2-cmt1 + - renesas,rcar-gen3-cmt1 + - renesas,rcar-gen4-cmt1 + then: + properties: + interrupts: + minItems: 8 + maxItems: 8 + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/r8a7790-cpg-mssr.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/power/r8a7790-sysc.h> + cmt0: timer@ffca0000 { + compatible = "renesas,r8a7790-cmt0", "renesas,rcar-gen2-cmt0"; + reg = <0xffca0000 0x1004>; + interrupts = <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cpg CPG_MOD 124>; + clock-names = "fck"; + power-domains = <&sysc R8A7790_PD_ALWAYS_ON>; + resets = <&cpg 124>; + }; + + cmt1: timer@e6130000 { + compatible = "renesas,r8a7790-cmt1", "renesas,rcar-gen2-cmt1"; + reg = <0xe6130000 0x1004>; + interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 127 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cpg CPG_MOD 329>; + clock-names = "fck"; + power-domains = <&sysc R8A7790_PD_ALWAYS_ON>; + resets = <&cpg 329>; + }; diff --git a/Documentation/devicetree/bindings/timer/renesas,em-sti.yaml b/Documentation/devicetree/bindings/timer/renesas,em-sti.yaml new file mode 100644 index 000000000..233d74d54 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/renesas,em-sti.yaml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/renesas,em-sti.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas EMMA Mobile System Timer + +maintainers: + - Magnus Damm <magnus.damm@gmail.com> + +properties: + compatible: + const: renesas,em-sti + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + const: sclk + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + timer@e0180000 { + compatible = "renesas,em-sti"; + reg = <0xe0180000 0x54>; + interrupts = <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&sti_sclk>; + clock-names = "sclk"; + }; diff --git a/Documentation/devicetree/bindings/timer/renesas,mtu2.yaml b/Documentation/devicetree/bindings/timer/renesas,mtu2.yaml new file mode 100644 index 000000000..15d8dddf4 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/renesas,mtu2.yaml @@ -0,0 +1,76 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/renesas,mtu2.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas Multi-Function Timer Pulse Unit 2 (MTU2) + +maintainers: + - Geert Uytterhoeven <geert+renesas@glider.be> + - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> + +description: + The MTU2 is a multi-purpose, multi-channel timer/counter with configurable clock inputs + and programmable compare match. + + Channels share hardware resources but their counter and compare match value are + independent. The MTU2 hardware supports five channels indexed from 0 to 4. + +properties: + compatible: + items: + - enum: + - renesas,mtu2-r7s72100 # RZ/A1H + - const: renesas,mtu2 + + reg: + maxItems: 1 + + interrupts: + minItems: 1 + maxItems: 5 + description: One entry for each enabled channel. + + interrupt-names: + minItems: 1 + items: + - const: tgi0a + - const: tgi1a + - const: tgi2a + - const: tgi3a + - const: tgi4a + + clocks: + maxItems: 1 + + clock-names: + const: fck + + power-domains: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - interrupt-names + - clocks + - clock-names + - power-domains + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/r7s72100-clock.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + mtu2: timer@fcff0000 { + compatible = "renesas,mtu2-r7s72100", "renesas,mtu2"; + reg = <0xfcff0000 0x400>; + interrupts = <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "tgi0a"; + clocks = <&mstp3_clks R7S72100_CLK_MTU2>; + clock-names = "fck"; + power-domains = <&cpg_clocks>; + }; diff --git a/Documentation/devicetree/bindings/timer/renesas,ostm.yaml b/Documentation/devicetree/bindings/timer/renesas,ostm.yaml new file mode 100644 index 000000000..7207929e5 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/renesas,ostm.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/renesas,ostm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas OS Timer (OSTM) + +maintainers: + - Chris Brandt <chris.brandt@renesas.com> + - Geert Uytterhoeven <geert+renesas@glider.be> + +description: + The OSTM is a multi-channel 32-bit timer/counter with fixed clock source that + can operate in either interval count down timer or free-running compare match + mode. + + Channels are independent from each other. + +properties: + compatible: + items: + - enum: + - renesas,r7s72100-ostm # RZ/A1H + - renesas,r7s9210-ostm # RZ/A2M + - renesas,r9a07g043-ostm # RZ/G2UL + - renesas,r9a07g044-ostm # RZ/G2{L,LC} + - renesas,r9a07g054-ostm # RZ/V2L + - const: renesas,ostm # Generic + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + power-domains: + maxItems: 1 + + resets: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - power-domains + +if: + properties: + compatible: + contains: + enum: + - renesas,r9a07g043-ostm + - renesas,r9a07g044-ostm + - renesas,r9a07g054-ostm +then: + required: + - resets + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/r7s72100-clock.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + ostm0: timer@fcfec000 { + compatible = "renesas,r7s72100-ostm", "renesas,ostm"; + reg = <0xfcfec000 0x30>; + interrupts = <GIC_SPI 102 IRQ_TYPE_EDGE_RISING>; + clocks = <&mstp5_clks R7S72100_CLK_OSTM0>; + power-domains = <&cpg_clocks>; + }; diff --git a/Documentation/devicetree/bindings/timer/renesas,tmu.yaml b/Documentation/devicetree/bindings/timer/renesas,tmu.yaml new file mode 100644 index 000000000..60f4c059b --- /dev/null +++ b/Documentation/devicetree/bindings/timer/renesas,tmu.yaml @@ -0,0 +1,107 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/renesas,tmu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas R-Mobile/R-Car Timer Unit (TMU) + +maintainers: + - Geert Uytterhoeven <geert+renesas@glider.be> + - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> + +description: + The TMU is a 32-bit timer/counter with configurable clock inputs and + programmable compare match. + + Channels share hardware resources but their counter and compare match value + are independent. The TMU hardware supports up to three channels. + +properties: + compatible: + items: + - enum: + - renesas,tmu-r8a7740 # R-Mobile A1 + - renesas,tmu-r8a774a1 # RZ/G2M + - renesas,tmu-r8a774b1 # RZ/G2N + - renesas,tmu-r8a774c0 # RZ/G2E + - renesas,tmu-r8a774e1 # RZ/G2H + - renesas,tmu-r8a7778 # R-Car M1A + - renesas,tmu-r8a7779 # R-Car H1 + - renesas,tmu-r8a7795 # R-Car H3 + - renesas,tmu-r8a7796 # R-Car M3-W + - renesas,tmu-r8a77961 # R-Car M3-W+ + - renesas,tmu-r8a77965 # R-Car M3-N + - renesas,tmu-r8a77970 # R-Car V3M + - renesas,tmu-r8a77980 # R-Car V3H + - renesas,tmu-r8a77990 # R-Car E3 + - renesas,tmu-r8a77995 # R-Car D3 + - renesas,tmu-r8a779a0 # R-Car V3U + - renesas,tmu-r8a779f0 # R-Car S4-8 + - const: renesas,tmu + + reg: + maxItems: 1 + + interrupts: + minItems: 2 + maxItems: 3 + + clocks: + maxItems: 1 + + clock-names: + const: fck + + power-domains: + maxItems: 1 + + resets: + maxItems: 1 + + '#renesas,channels': + description: + Number of channels implemented by the timer. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [ 2, 3 ] + default: 3 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - power-domains + +if: + not: + properties: + compatible: + contains: + enum: + - renesas,tmu-r8a7740 + - renesas,tmu-r8a7778 + - renesas,tmu-r8a7779 +then: + required: + - resets + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/r8a7779-clock.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/power/r8a7779-sysc.h> + tmu0: timer@ffd80000 { + compatible = "renesas,tmu-r8a7779", "renesas,tmu"; + reg = <0xffd80000 0x30>; + interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp0_clks R8A7779_CLK_TMU0>; + clock-names = "fck"; + power-domains = <&sysc R8A7779_PD_ALWAYS_ON>; + #renesas,channels = <3>; + }; diff --git a/Documentation/devicetree/bindings/timer/renesas,tpu.yaml b/Documentation/devicetree/bindings/timer/renesas,tpu.yaml new file mode 100644 index 000000000..01554dff2 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/renesas,tpu.yaml @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/renesas,tpu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas H8/300 Timer Pulse Unit + +maintainers: + - Yoshinori Sato <ysato@users.sourceforge.jp> + +description: + The TPU is a 16bit timer/counter with configurable clock inputs and + programmable compare match. + This implementation supports only cascade mode. + +select: + properties: + compatible: + contains: + const: renesas,tpu + '#pwm-cells': false + required: + - compatible + +properties: + compatible: + const: renesas,tpu + + reg: + items: + - description: First channel + - description: Second channel + + clocks: + maxItems: 1 + + clock-names: + const: fck + +required: + - compatible + - reg + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + tpu: tpu@ffffe0 { + compatible = "renesas,tpu"; + reg = <0xffffe0 16>, <0xfffff0 12>; + clocks = <&pclk>; + clock-names = "fck"; + }; diff --git a/Documentation/devicetree/bindings/timer/rockchip,rk-timer.yaml b/Documentation/devicetree/bindings/timer/rockchip,rk-timer.yaml new file mode 100644 index 000000000..dc3bc1e62 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/rockchip,rk-timer.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/rockchip,rk-timer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip Timer + +maintainers: + - Daniel Lezcano <daniel.lezcano@linaro.org> + +properties: + compatible: + oneOf: + - const: rockchip,rk3288-timer + - const: rockchip,rk3399-timer + - items: + - enum: + - rockchip,rv1108-timer + - rockchip,rk3036-timer + - rockchip,rk3188-timer + - rockchip,rk3228-timer + - rockchip,rk3229-timer + - rockchip,rk3288-timer + - rockchip,rk3368-timer + - rockchip,px30-timer + - const: rockchip,rk3288-timer + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + minItems: 2 + maxItems: 2 + + clock-names: + items: + - const: pclk + - const: timer + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/rk3288-cru.h> + + timer: timer@ff810000 { + compatible = "rockchip,rk3288-timer"; + reg = <0xff810000 0x20>; + interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cru PCLK_TIMER>, <&xin24m>; + clock-names = "pclk", "timer"; + }; diff --git a/Documentation/devicetree/bindings/timer/samsung,exynos4210-mct.yaml b/Documentation/devicetree/bindings/timer/samsung,exynos4210-mct.yaml new file mode 100644 index 000000000..829bd2227 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/samsung,exynos4210-mct.yaml @@ -0,0 +1,237 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/samsung,exynos4210-mct.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung Exynos SoC Multi Core Timer (MCT) + +maintainers: + - Krzysztof Kozlowski <krzk@kernel.org> + +description: |+ + The Samsung's Multi Core Timer (MCT) module includes two main blocks, the + global timer and CPU local timers. The global timer is a 64-bit free running + up-counter and can generate 4 interrupts when the counter reaches one of the + four preset counter values. The CPU local timers are 32-bit free running + down-counters and generate an interrupt when the counter expires. There is + one CPU local timer instantiated in MCT for every CPU in the system. + +properties: + compatible: + oneOf: + - enum: + - samsung,exynos4210-mct + - samsung,exynos4412-mct + - items: + - enum: + - axis,artpec8-mct + - samsung,exynos3250-mct + - samsung,exynos5250-mct + - samsung,exynos5260-mct + - samsung,exynos5420-mct + - samsung,exynos5433-mct + - samsung,exynos850-mct + - tesla,fsd-mct + - const: samsung,exynos4210-mct + + clocks: + maxItems: 2 + + clock-names: + items: + - const: fin_pll + - const: mct + + reg: + maxItems: 1 + + samsung,frc-shared: + type: boolean + description: | + Indicates that the hardware requires that this processor share the + free-running counter with a different (main) processor. + + samsung,local-timers: + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 1 + maxItems: 16 + description: | + List of indices of local timers usable from this processor. + + interrupts: + description: | + Interrupts should be put in specific order. This is, the local timer + interrupts should be specified after the four global timer interrupts + have been specified: + 0: Global Timer Interrupt 0 + 1: Global Timer Interrupt 1 + 2: Global Timer Interrupt 2 + 3: Global Timer Interrupt 3 + 4: Local Timer Interrupt 0 + 5: Local Timer Interrupt 1 + 6: .. + 7: .. + i: Local Timer Interrupt n + For MCT block that uses a per-processor interrupt for local timers, such + as ones compatible with "samsung,exynos4412-mct", only one local timer + interrupt might be specified, meaning that all local timers use the same + per processor interrupt. + minItems: 5 # 4 Global + 1 local + maxItems: 20 # 4 Global + 16 local + +required: + - compatible + - clock-names + - clocks + - interrupts + - reg + +allOf: + - if: + not: + properties: + compatible: + contains: + enum: + - axis,artpec8-mct + then: + properties: + samsung,local-timers: false + samsung,frc-shared: false + - if: + properties: + compatible: + contains: + const: samsung,exynos3250-mct + then: + properties: + interrupts: + minItems: 8 + maxItems: 8 + + - if: + properties: + compatible: + contains: + const: samsung,exynos5250-mct + then: + properties: + interrupts: + minItems: 6 + maxItems: 6 + + - if: + properties: + compatible: + contains: + enum: + - axis,artpec8-mct + - samsung,exynos5260-mct + - samsung,exynos5420-mct + - samsung,exynos5433-mct + - samsung,exynos850-mct + then: + properties: + interrupts: + minItems: 12 + maxItems: 12 + + - if: + properties: + compatible: + contains: + enum: + - tesla,fsd-mct + then: + properties: + interrupts: + minItems: 16 + maxItems: 16 + +additionalProperties: false + +examples: + - | + // In this example, the IP contains two local timers, using separate + // interrupts, so two local timer interrupts have been specified, + // in addition to four global timer interrupts. + #include <dt-bindings/clock/exynos4.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + timer@10050000 { + compatible = "samsung,exynos4210-mct"; + reg = <0x10050000 0x800>; + clocks = <&clock CLK_FIN_PLL>, <&clock CLK_MCT>; + clock-names = "fin_pll", "mct"; + + interrupts = <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>; + }; + + - | + // In this example, the timer interrupts are connected to two separate + // interrupt controllers. Hence, an interrupts-extended is needed. + #include <dt-bindings/clock/exynos4.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + timer@101c0000 { + compatible = "samsung,exynos4210-mct"; + reg = <0x101C0000 0x800>; + clocks = <&clock CLK_FIN_PLL>, <&clock CLK_MCT>; + clock-names = "fin_pll", "mct"; + + interrupts-extended = <&gic GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>, + <&gic GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>, + <&combiner 12 6>, + <&combiner 12 7>, + <&gic GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>, + <&gic GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>; + }; + + - | + // In this example, the IP contains four local timers, but using + // a per-processor interrupt to handle them. Only one first local + // interrupt is specified. + #include <dt-bindings/clock/exynos4.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + timer@10050000 { + compatible = "samsung,exynos4412-mct"; + reg = <0x10050000 0x800>; + clocks = <&clock CLK_FIN_PLL>, <&clock CLK_MCT>; + clock-names = "fin_pll", "mct"; + + interrupts = <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>, + <GIC_PPI 42 IRQ_TYPE_LEVEL_HIGH>; + }; + + - | + // In this example, the IP contains four local timers, but using + // a per-processor interrupt to handle them. All the local timer + // interrupts are specified. + #include <dt-bindings/clock/exynos4.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + timer@10050000 { + compatible = "samsung,exynos4412-mct"; + reg = <0x10050000 0x800>; + clocks = <&clock CLK_FIN_PLL>, <&clock CLK_MCT>; + clock-names = "fin_pll", "mct"; + + interrupts = <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>, + <GIC_PPI 42 IRQ_TYPE_LEVEL_HIGH>, + <GIC_PPI 42 IRQ_TYPE_LEVEL_HIGH>, + <GIC_PPI 42 IRQ_TYPE_LEVEL_HIGH>, + <GIC_PPI 42 IRQ_TYPE_LEVEL_HIGH>; + }; diff --git a/Documentation/devicetree/bindings/timer/sifive,clint.yaml b/Documentation/devicetree/bindings/timer/sifive,clint.yaml new file mode 100644 index 000000000..bbad24165 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/sifive,clint.yaml @@ -0,0 +1,72 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/sifive,clint.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SiFive Core Local Interruptor + +maintainers: + - Palmer Dabbelt <palmer@dabbelt.com> + - Anup Patel <anup.patel@wdc.com> + +description: + SiFive (and other RISC-V) SOCs include an implementation of the SiFive + Core Local Interruptor (CLINT) for M-mode timer and M-mode inter-processor + interrupts. It directly connects to the timer and inter-processor interrupt + lines of various HARTs (or CPUs) so RISC-V per-HART (or per-CPU) local + interrupt controller is the parent interrupt controller for CLINT device. + The clock frequency of CLINT is specified via "timebase-frequency" DT + property of "/cpus" DT node. The "timebase-frequency" DT property is + described in Documentation/devicetree/bindings/riscv/cpus.yaml + +properties: + compatible: + oneOf: + - items: + - enum: + - sifive,fu540-c000-clint + - starfive,jh7100-clint + - canaan,k210-clint + - const: sifive,clint0 + - items: + - const: sifive,clint0 + - const: riscv,clint0 + deprecated: true + description: For the QEMU virt machine only + + description: + Should be "<vendor>,<chip>-clint" and "sifive,clint<version>". + Supported compatible strings are - + "sifive,fu540-c000-clint" for the SiFive CLINT v0 as integrated + onto the SiFive FU540 chip, "canaan,k210-clint" for the SiFive + CLINT v0 as integrated onto the Canaan Kendryte K210 chip, and + "sifive,clint0" for the SiFive CLINT v0 IP block with no chip + integration tweaks. + Please refer to sifive-blocks-ip-versioning.txt for details + + reg: + maxItems: 1 + + interrupts-extended: + minItems: 1 + maxItems: 4095 + +additionalProperties: false + +required: + - compatible + - reg + - interrupts-extended + +examples: + - | + timer@2000000 { + compatible = "sifive,fu540-c000-clint", "sifive,clint0"; + interrupts-extended = <&cpu1intc 3>, <&cpu1intc 7>, + <&cpu2intc 3>, <&cpu2intc 7>, + <&cpu3intc 3>, <&cpu3intc 7>, + <&cpu4intc 3>, <&cpu4intc 7>; + reg = <0x2000000 0x10000>; + }; +... diff --git a/Documentation/devicetree/bindings/timer/snps,arc-timer.txt b/Documentation/devicetree/bindings/timer/snps,arc-timer.txt new file mode 100644 index 000000000..147ef3e74 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/snps,arc-timer.txt @@ -0,0 +1,27 @@ +Synopsys ARC Local Timer with Interrupt Capabilities +- Found on all ARC CPUs (ARC700/ARCHS) +- Can be optionally programmed to interrupt on Limit +- Two idential copies TIMER0 and TIMER1 exist in ARC cores and historically + TIMER0 used as clockevent provider (true for all ARC cores) + TIMER1 used for clocksource (mandatory for ARC700, optional for ARC HS) + +Required properties: + +- compatible : should be "snps,arc-timer" +- interrupts : single Interrupt going into parent intc + (16 for ARCHS cores, 3 for ARC700 cores) +- clocks : phandle to the source clock + +Example: + + timer0 { + compatible = "snps,arc-timer"; + interrupts = <3>; + interrupt-parent = <&core_intc>; + clocks = <&core_clk>; + }; + + timer1 { + compatible = "snps,arc-timer"; + clocks = <&core_clk>; + }; diff --git a/Documentation/devicetree/bindings/timer/snps,archs-gfrc.txt b/Documentation/devicetree/bindings/timer/snps,archs-gfrc.txt new file mode 100644 index 000000000..b6cd1b392 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/snps,archs-gfrc.txt @@ -0,0 +1,14 @@ +Synopsys ARC Free Running 64-bit Global Timer for ARC HS CPUs +- clocksource provider for SMP SoC + +Required properties: + +- compatible : should be "snps,archs-gfrc" +- clocks : phandle to the source clock + +Example: + + gfrc { + compatible = "snps,archs-gfrc"; + clocks = <&core_clk>; + }; diff --git a/Documentation/devicetree/bindings/timer/snps,archs-rtc.txt b/Documentation/devicetree/bindings/timer/snps,archs-rtc.txt new file mode 100644 index 000000000..47bd7a702 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/snps,archs-rtc.txt @@ -0,0 +1,14 @@ +Synopsys ARC Free Running 64-bit Local Timer for ARC HS CPUs +- clocksource provider for UP SoC + +Required properties: + +- compatible : should be "snps,archs-rtc" +- clocks : phandle to the source clock + +Example: + + rtc { + compatible = "snps,arc-rtc"; + clocks = <&core_clk>; + }; diff --git a/Documentation/devicetree/bindings/timer/snps,dw-apb-timer.yaml b/Documentation/devicetree/bindings/timer/snps,dw-apb-timer.yaml new file mode 100644 index 000000000..d33c9205a --- /dev/null +++ b/Documentation/devicetree/bindings/timer/snps,dw-apb-timer.yaml @@ -0,0 +1,84 @@ +# SPDX-License-Identifier: GPL-2.0-only +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/snps,dw-apb-timer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Synopsys DesignWare APB Timer + +maintainers: + - Daniel Lezcano <daniel.lezcano@linaro.org> + +properties: + compatible: + oneOf: + - const: snps,dw-apb-timer + - enum: + - snps,dw-apb-timer-sp + - snps,dw-apb-timer-osc + deprecated: true + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + resets: + maxItems: 1 + + clocks: + minItems: 1 + items: + - description: Timer ticks reference clock source + - description: APB interface clock source + + clock-names: + minItems: 1 + items: + - const: timer + - const: pclk + + clock-frequency: true + +additionalProperties: false + +required: + - compatible + - reg + - interrupts + +oneOf: + - required: + - clocks + - clock-names + - required: + - clock-frequency + - required: + - clock-freq + +examples: + - | + timer@ffe00000 { + compatible = "snps,dw-apb-timer"; + interrupts = <0 170 4>; + reg = <0xffe00000 0x1000>; + clocks = <&timer_clk>, <&timer_pclk>; + clock-names = "timer", "pclk"; + }; + - | + timer@ffe00000 { + compatible = "snps,dw-apb-timer"; + interrupts = <0 170 4>; + reg = <0xffe00000 0x1000>; + clocks = <&timer_clk>; + clock-names = "timer"; + }; + - | + timer@ffe00000 { + compatible = "snps,dw-apb-timer"; + interrupts = <0 170 4>; + reg = <0xffe00000 0x1000>; + clock-frequency = <25000000>; + }; +... diff --git a/Documentation/devicetree/bindings/timer/socionext,milbeaut-timer.txt b/Documentation/devicetree/bindings/timer/socionext,milbeaut-timer.txt new file mode 100644 index 000000000..ac44c4b67 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/socionext,milbeaut-timer.txt @@ -0,0 +1,17 @@ +Milbeaut SoCs Timer Controller + +Required properties: + +- compatible : should be "socionext,milbeaut-timer". +- reg : Specifies base physical address and size of the registers. +- interrupts : The interrupt of the first timer. +- clocks: phandle to the input clk. + +Example: + +timer { + compatible = "socionext,milbeaut-timer"; + reg = <0x1e000050 0x20> + interrupts = <0 91 4>; + clocks = <&clk 4>; +}; diff --git a/Documentation/devicetree/bindings/timer/spreadtrum,sprd-timer.txt b/Documentation/devicetree/bindings/timer/spreadtrum,sprd-timer.txt new file mode 100644 index 000000000..6d97e7d0f --- /dev/null +++ b/Documentation/devicetree/bindings/timer/spreadtrum,sprd-timer.txt @@ -0,0 +1,20 @@ +Spreadtrum timers + +The Spreadtrum SC9860 platform provides 3 general-purpose timers. +These timers can support 32bit or 64bit counter, as well as supporting +period mode or one-shot mode, and they are can be wakeup source +during deep sleep. + +Required properties: +- compatible: should be "sprd,sc9860-timer" for SC9860 platform. +- reg: The register address of the timer device. +- interrupts: Should contain the interrupt for the timer device. +- clocks: The phandle to the source clock (usually a 32.768 KHz fixed clock). + +Example: + timer@40050000 { + compatible = "sprd,sc9860-timer"; + reg = <0 0x40050000 0 0x20>; + interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&ext_32k>; + }; diff --git a/Documentation/devicetree/bindings/timer/st,nomadik-mtu.yaml b/Documentation/devicetree/bindings/timer/st,nomadik-mtu.yaml new file mode 100644 index 000000000..901848d29 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/st,nomadik-mtu.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2022 Linaro Ltd. +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/timer/st,nomadik-mtu.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: ST Microelectronics Nomadik Multi-Timer Unit MTU Timer + +maintainers: + - Linus Walleij <linus.walleij@linaro.org> + +description: This timer is found in the ST Microelectronics Nomadik + SoCs STn8800, STn8810 and STn8815 as well as in ST-Ericsson DB8500. + +properties: + compatible: + items: + - const: st,nomadik-mtu + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + description: The first clock named TIMCLK clocks the actual timers and + the second clock clocks the digital interface to the interconnect. + maxItems: 2 + + clock-names: + items: + - const: timclk + - const: apb_pclk + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/mfd/dbx500-prcmu.h> + timer@a03c6000 { + compatible = "st,nomadik-mtu"; + reg = <0xa03c6000 0x1000>; + interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>; + + clocks = <&prcmu_clk PRCMU_TIMCLK>, <&prcc_pclk 6 6>; + clock-names = "timclk", "apb_pclk"; + }; diff --git a/Documentation/devicetree/bindings/timer/st,spear-timer.txt b/Documentation/devicetree/bindings/timer/st,spear-timer.txt new file mode 100644 index 000000000..b5238a07d --- /dev/null +++ b/Documentation/devicetree/bindings/timer/st,spear-timer.txt @@ -0,0 +1,16 @@ +* SPEAr ARM Timer + +** Timer node required properties: + +- compatible : Should be: + "st,spear-timer" +- reg: Address range of the timer registers +- interrupt: Should contain the timer interrupt number + +Example: + + timer@f0000000 { + compatible = "st,spear-timer"; + reg = <0xf0000000 0x400>; + interrupts = <2>; + }; diff --git a/Documentation/devicetree/bindings/timer/st,stih407-lpc b/Documentation/devicetree/bindings/timer/st,stih407-lpc new file mode 100644 index 000000000..72acb487b --- /dev/null +++ b/Documentation/devicetree/bindings/timer/st,stih407-lpc @@ -0,0 +1,28 @@ +STMicroelectronics Low Power Controller (LPC) - Clocksource +=========================================================== + +LPC currently supports Watchdog OR Real Time Clock OR Clocksource +functionality. + +[See: ../watchdog/st_lpc_wdt.txt for Watchdog options] +[See: ../rtc/rtc-st-lpc.txt for RTC options] + +Required properties + +- compatible : Must be: "st,stih407-lpc" +- reg : LPC registers base address + size +- interrupts : LPC interrupt line number and associated flags +- clocks : Clock used by LPC device (See: ../clock/clock-bindings.txt) +- st,lpc-mode : The LPC can run either one of three modes: + ST_LPC_MODE_RTC [0] + ST_LPC_MODE_WDT [1] + ST_LPC_MODE_CLKSRC [2] + One (and only one) mode must be selected. + +Example: + lpc@fde05000 { + compatible = "st,stih407-lpc"; + reg = <0xfde05000 0x1000>; + clocks = <&clk_s_d3_flexgen CLK_LPC_0>; + st,lpc-mode = <ST_LPC_MODE_CLKSRC>; + }; diff --git a/Documentation/devicetree/bindings/timer/st,stm32-timer.yaml b/Documentation/devicetree/bindings/timer/st,stm32-timer.yaml new file mode 100644 index 000000000..937aa8a56 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/st,stm32-timer.yaml @@ -0,0 +1,48 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/st,stm32-timer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STMicroelectronics STM32 general-purpose 16 and 32 bits timers bindings + +maintainers: + - Fabrice Gasnier <fabrice.gasnier@foss.st.com> + - Patrice Chotard <patrice.chotard@foss.st.com> + +properties: + compatible: + const: st,stm32-timer + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/stm32mp1-clks.h> + timer: timer@40000c00 { + compatible = "st,stm32-timer"; + reg = <0x40000c00 0x400>; + interrupts = <50>; + clocks = <&clk_pmtr1>; + }; + +... diff --git a/Documentation/devicetree/bindings/timer/ti,davinci-timer.txt b/Documentation/devicetree/bindings/timer/ti,davinci-timer.txt new file mode 100644 index 000000000..29bf91ccf --- /dev/null +++ b/Documentation/devicetree/bindings/timer/ti,davinci-timer.txt @@ -0,0 +1,37 @@ +* Device tree bindings for Texas Instruments DaVinci timer + +This document provides bindings for the 64-bit timer in the DaVinci +architecture devices. The timer can be configured as a general-purpose 64-bit +timer, dual general-purpose 32-bit timers. When configured as dual 32-bit +timers, each half can operate in conjunction (chain mode) or independently +(unchained mode) of each other. + +The timer is a free running up-counter and can generate interrupts when the +counter reaches preset counter values. + +Also see ../watchdog/davinci-wdt.txt for timers that are configurable as +watchdog timers. + +Required properties: + +- compatible : should be "ti,da830-timer". +- reg : specifies base physical address and count of the registers. +- interrupts : interrupts generated by the timer. +- interrupt-names: should be "tint12", "tint34", "cmpint0", "cmpint1", + "cmpint2", "cmpint3", "cmpint4", "cmpint5", "cmpint6", + "cmpint7" ("cmpintX" may be omitted if not present in the + hardware). +- clocks : the clock feeding the timer clock. + +Example: + + clocksource: timer@20000 { + compatible = "ti,da830-timer"; + reg = <0x20000 0x1000>; + interrupts = <21>, <22>, <74>, <75>, <76>, <77>, <78>, <79>, + <80>, <81>; + interrupt-names = "tint12", "tint34", "cmpint0", "cmpint1", + "cmpint2", "cmpint3", "cmpint4", "cmpint5", + "cmpint6", "cmpint7"; + clocks = <&pll0_auxclk>; + }; diff --git a/Documentation/devicetree/bindings/timer/ti,keystone-timer.txt b/Documentation/devicetree/bindings/timer/ti,keystone-timer.txt new file mode 100644 index 000000000..d3905a541 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/ti,keystone-timer.txt @@ -0,0 +1,29 @@ +* Device tree bindings for Texas instruments Keystone timer + +This document provides bindings for the 64-bit timer in the KeyStone +architecture devices. The timer can be configured as a general-purpose 64-bit +timer, dual general-purpose 32-bit timers. When configured as dual 32-bit +timers, each half can operate in conjunction (chain mode) or independently +(unchained mode) of each other. + +It is global timer is a free running up-counter and can generate interrupt +when the counter reaches preset counter values. + +Documentation: +https://www.ti.com/lit/ug/sprugv5a/sprugv5a.pdf + +Required properties: + +- compatible : should be "ti,keystone-timer". +- reg : specifies base physical address and count of the registers. +- interrupts : interrupt generated by the timer. +- clocks : the clock feeding the timer clock. + +Example: + +timer@22f0000 { + compatible = "ti,keystone-timer"; + reg = <0x022f0000 0x80>; + interrupts = <GIC_SPI 110 IRQ_TYPE_EDGE_RISING>; + clocks = <&clktimer15>; +}; diff --git a/Documentation/devicetree/bindings/timer/ti,timer-dm.yaml b/Documentation/devicetree/bindings/timer/ti,timer-dm.yaml new file mode 100644 index 000000000..acbb6f899 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/ti,timer-dm.yaml @@ -0,0 +1,159 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/ti,timer-dm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TI dual-mode timer + +maintainers: + - Tony Lindgren <tony@atomide.com> + +description: | + The TI dual-mode timer is a general purpose timer with PWM capabilities. + +properties: + compatible: + oneOf: + - items: + - enum: + - ti,am335x-timer + - ti,am335x-timer-1ms + - ti,am654-timer + - ti,dm814-timer + - ti,dm816-timer + - ti,omap2420-timer + - ti,omap3430-timer + - ti,omap4430-timer + - ti,omap5430-timer + - items: + - const: ti,am4372-timer + - const: ti,am335x-timer + - items: + - const: ti,am4372-timer-1ms + - const: ti,am335x-timer-1ms + + reg: + items: + - description: IO address + - description: L3 to L4 mapping for omap4/5 L4 ABE + minItems: 1 + + clocks: + items: + - description: Functional clock + - description: System clock for omap4/5 and dra7 + minItems: 1 + + clock-names: + items: + - const: fck + - const: timer_sys_ck + minItems: 1 + + power-domains: + description: + Power domain if available + maxItems: 1 + + interrupts: + description: + Interrupt if available. The timer PWM features may be usable + in a limited way even without interrupts. + maxItems: 1 + + ti,timer-alwon: + description: + Timer is always enabled when the SoC is powered. Note that some SoCs like + am335x can suspend to PM coprocessor RTC only mode and in that case the + SoC power is cut including timers. + type: boolean + + ti,timer-dsp: + description: + Timer is routable to the DSP in addition to the operating system. + type: boolean + + ti,timer-pwm: + description: + Timer has been wired for PWM capability. + type: boolean + + ti,timer-secure: + description: + Timer access has been limited to secure mode only. + type: boolean + + ti,hwmods: + description: + Name of the HWMOD associated with timer. This is for legacy + omap2/3 platforms only. + $ref: /schemas/types.yaml#/definitions/string + deprecated: true + +required: + - compatible + - reg + +additionalProperties: false + +allOf: + - if: + properties: + compatible: + contains: + const: ti,am654-timer + then: + required: + - power-domains + else: + required: + - interrupts + + - if: + not: + properties: + compatible: + contains: + enum: + - ti,omap3430-timer + - ti,omap4430-timer + - ti,omap5430-timer + then: + properties: + reg: + maxItems: 1 + clocks: + maxItems: 1 + clock-names: + maxItems: 1 + + - if: + properties: + compatible: + contains: + enum: + - ti,dm814-timer + - ti,dm816-timer + - ti,omap2420-timer + - ti,omap3430-timer + then: + properties: + ti,hwmods: + items: + - pattern: "^timer([1-9]|1[0-2])$" + else: + properties: + ti,hwmods: false + +examples: + - | + timer1: timer@0 { + compatible = "ti,am335x-timer-1ms"; + reg = <0x0 0x400>; + interrupts = <67>; + ti,timer-alwon; + clocks = <&timer1_fck>; + clock-names = "fck"; + }; +... diff --git a/Documentation/devicetree/bindings/timer/via,vt8500-timer.txt b/Documentation/devicetree/bindings/timer/via,vt8500-timer.txt new file mode 100644 index 000000000..901c73f0d --- /dev/null +++ b/Documentation/devicetree/bindings/timer/via,vt8500-timer.txt @@ -0,0 +1,15 @@ +VIA/Wondermedia VT8500 Timer +----------------------------------------------------- + +Required properties: +- compatible : "via,vt8500-timer" +- reg : Should contain 1 register ranges(address and length) +- interrupts : interrupt for the timer + +Example: + + timer@d8130100 { + compatible = "via,vt8500-timer"; + reg = <0xd8130100 0x28>; + interrupts = <36>; + }; diff --git a/Documentation/devicetree/bindings/timer/xlnx,xps-timer.yaml b/Documentation/devicetree/bindings/timer/xlnx,xps-timer.yaml new file mode 100644 index 000000000..b1597db04 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/xlnx,xps-timer.yaml @@ -0,0 +1,92 @@ +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/xlnx,xps-timer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Xilinx LogiCORE IP AXI Timer + +maintainers: + - Sean Anderson <sean.anderson@seco.com> + +properties: + compatible: + contains: + const: xlnx,xps-timer-1.00.a + + clocks: + maxItems: 1 + + clock-names: + const: s_axi_aclk + + interrupts: + maxItems: 1 + + reg: + maxItems: 1 + + '#pwm-cells': true + + xlnx,count-width: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [8, 16, 32] + default: 32 + description: + The width of the counter(s), in bits. + + xlnx,one-timer-only: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [ 0, 1 ] + description: + Whether only one timer is present in this block. + +required: + - compatible + - reg + - xlnx,one-timer-only + +allOf: + - if: + required: + - '#pwm-cells' + then: + allOf: + - required: + - clocks + - properties: + xlnx,one-timer-only: + const: 0 + else: + required: + - interrupts + - if: + required: + - clocks + then: + required: + - clock-names + +additionalProperties: false + +examples: + - | + timer@800e0000 { + clock-names = "s_axi_aclk"; + clocks = <&zynqmp_clk 71>; + compatible = "xlnx,xps-timer-1.00.a"; + reg = <0x800e0000 0x10000>; + interrupts = <0 39 2>; + xlnx,count-width = <16>; + xlnx,one-timer-only = <0x0>; + }; + + timer@800f0000 { + #pwm-cells = <0>; + clock-names = "s_axi_aclk"; + clocks = <&zynqmp_clk 71>; + compatible = "xlnx,xps-timer-1.00.a"; + reg = <0x800e0000 0x10000>; + xlnx,count-width = <32>; + xlnx,one-timer-only = <0x0>; + }; |