diff options
Diffstat (limited to 'Documentation/devicetree/bindings/arm/omap')
| -rw-r--r-- | Documentation/devicetree/bindings/arm/omap/counter.txt | 15 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/arm/omap/crossbar.txt | 55 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/arm/omap/ctrl.txt | 82 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/arm/omap/dmm.txt | 22 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/arm/omap/dsp.txt | 14 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/arm/omap/iva.txt | 19 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/arm/omap/l3-noc.txt | 23 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/arm/omap/l4.txt | 37 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/arm/omap/mpu.txt | 54 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/arm/omap/omap.txt | 225 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/arm/omap/prcm.txt | 68 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/arm/omap/prm-inst.txt | 31 |
12 files changed, 645 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/omap/counter.txt b/Documentation/devicetree/bindings/arm/omap/counter.txt new file mode 100644 index 000000000..5bd8aa091 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/omap/counter.txt @@ -0,0 +1,15 @@ +OMAP Counter-32K bindings + +Required properties: +- compatible: Must be "ti,omap-counter32k" for OMAP controllers +- reg: Contains timer register address range (base address and length) +- ti,hwmods: Name of the hwmod associated to the counter, which is typically + "counter_32k" + +Example: + +counter32k: counter@4a304000 { + compatible = "ti,omap-counter32k"; + reg = <0x4a304000 0x20>; + ti,hwmods = "counter_32k"; +}; diff --git a/Documentation/devicetree/bindings/arm/omap/crossbar.txt b/Documentation/devicetree/bindings/arm/omap/crossbar.txt new file mode 100644 index 000000000..a43e4c7ab --- /dev/null +++ b/Documentation/devicetree/bindings/arm/omap/crossbar.txt @@ -0,0 +1,55 @@ +Some socs have a large number of interrupts requests to service +the needs of its many peripherals and subsystems. All of the +interrupt lines from the subsystems are not needed at the same +time, so they have to be muxed to the irq-controller appropriately. +In such places a interrupt controllers are preceded by an CROSSBAR +that provides flexibility in muxing the device requests to the controller +inputs. + +Required properties: +- compatible : Should be "ti,irq-crossbar" +- reg: Base address and the size of the crossbar registers. +- interrupt-controller: indicates that this block is an interrupt controller. +- ti,max-irqs: Total number of irqs available at the parent interrupt controller. +- ti,max-crossbar-sources: Maximum number of crossbar sources that can be routed. +- ti,reg-size: Size of a individual register in bytes. Every individual + register is assumed to be of same size. Valid sizes are 1, 2, 4. +- ti,irqs-reserved: List of the reserved irq lines that are not muxed using + crossbar. These interrupt lines are reserved in the soc, + so crossbar bar driver should not consider them as free + lines. + +Optional properties: +- ti,irqs-skip: This is similar to "ti,irqs-reserved", but these are for + SOC-specific hard-wiring of those irqs which unexpectedly bypasses the + crossbar. These irqs have a crossbar register, but still cannot be used. + +- ti,irqs-safe-map: integer which maps to a safe configuration to use + when the interrupt controller irq is unused (when not provided, default is 0) + +Examples: + crossbar_mpu: crossbar@4a002a48 { + compatible = "ti,irq-crossbar"; + reg = <0x4a002a48 0x130>; + ti,max-irqs = <160>; + ti,max-crossbar-sources = <400>; + ti,reg-size = <2>; + ti,irqs-reserved = <0 1 2 3 5 6 131 132>; + ti,irqs-skip = <10 133 139 140>; + }; + +Consumer: +======== +See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt and +Documentation/devicetree/bindings/interrupt-controller/arm,gic.yaml for +further details. + +An interrupt consumer on an SoC using crossbar will use: + interrupts = <GIC_SPI request_number interrupt_level> + +Example: + device_x@4a023000 { + /* Crossbar 8 used */ + interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>; + ... + }; diff --git a/Documentation/devicetree/bindings/arm/omap/ctrl.txt b/Documentation/devicetree/bindings/arm/omap/ctrl.txt new file mode 100644 index 000000000..f35b77920 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/omap/ctrl.txt @@ -0,0 +1,82 @@ +OMAP Control Module bindings + +Control Module contains miscellaneous features under it based on SoC type. +Pincontrol is one common feature, and it has a specialized support +described in [1]. Typically some clock nodes are also under control module. +Syscon is used to share register level access to drivers external to +control module driver itself. + +See [2] for documentation about clock/clockdomain nodes. + +[1] Documentation/devicetree/bindings/pinctrl/pinctrl-single.txt +[2] Documentation/devicetree/bindings/clock/ti/* + +Required properties: +- compatible: Must be one of: + "ti,am3-scm" + "ti,am4-scm" + "ti,dm814-scrm" + "ti,dm816-scrm" + "ti,omap2-scm" + "ti,omap3-scm" + "ti,omap4-scm-core" + "ti,omap4-scm-padconf-core" + "ti,omap4-scm-wkup" + "ti,omap4-scm-padconf-wkup" + "ti,omap5-scm-core" + "ti,omap5-scm-padconf-core" + "ti,omap5-scm-wkup-pad-conf" + "ti,dra7-scm-core" +- reg: Contains Control Module register address range + (base address and length) + +Optional properties: +- clocks: clocks for this module +- clockdomains: clockdomains for this module + +Examples: + +scm: scm@2000 { + compatible = "ti,omap3-scm", "simple-bus"; + reg = <0x2000 0x2000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x2000 0x2000>; + + omap3_pmx_core: pinmux@30 { + compatible = "ti,omap3-padconf", + "pinctrl-single"; + reg = <0x30 0x230>; + #address-cells = <1>; + #size-cells = <0>; + #interrupt-cells = <1>; + interrupt-controller; + pinctrl-single,register-width = <16>; + pinctrl-single,function-mask = <0xff1f>; + }; + + scm_conf: scm_conf@270 { + compatible = "syscon"; + reg = <0x270 0x330>; + #address-cells = <1>; + #size-cells = <1>; + + scm_clocks: clocks { + #address-cells = <1>; + #size-cells = <0>; + }; + }; + + scm_clockdomains: clockdomains { + }; +} + +&scm_clocks { + mcbsp5_mux_fck: mcbsp5_mux_fck { + #clock-cells = <0>; + compatible = "ti,composite-mux-clock"; + clocks = <&core_96m_fck>, <&mcbsp_clks>; + ti,bit-shift = <4>; + reg = <0x02d8>; + }; +}; diff --git a/Documentation/devicetree/bindings/arm/omap/dmm.txt b/Documentation/devicetree/bindings/arm/omap/dmm.txt new file mode 100644 index 000000000..8bd6d0a23 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/omap/dmm.txt @@ -0,0 +1,22 @@ +OMAP Dynamic Memory Manager (DMM) bindings + +The dynamic memory manager (DMM) is a module located immediately in front of the +SDRAM controllers (called EMIFs on OMAP). DMM manages various aspects of memory +accesses such as priority generation amongst initiators, configuration of SDRAM +interleaving, optimizing transfer of 2D block objects, and provide MMU-like page +translation for initiators which need contiguous dma bus addresses. + +Required properties: +- compatible: Should contain "ti,omap4-dmm" for OMAP4 family + Should contain "ti,omap5-dmm" for OMAP5 and DRA7x family +- reg: Contains DMM register address range (base address and length) +- interrupts: Should contain an interrupt-specifier for DMM_IRQ. +- ti,hwmods: Name of the hwmod associated to DMM, which is typically "dmm" + +Example: + +dmm@4e000000 { + compatible = "ti,omap4-dmm"; + reg = <0x4e000000 0x800>; + ti,hwmods = "dmm"; +}; diff --git a/Documentation/devicetree/bindings/arm/omap/dsp.txt b/Documentation/devicetree/bindings/arm/omap/dsp.txt new file mode 100644 index 000000000..d3830a32c --- /dev/null +++ b/Documentation/devicetree/bindings/arm/omap/dsp.txt @@ -0,0 +1,14 @@ +* TI - DSP (Digital Signal Processor) + +TI DSP included in OMAP SoC + +Required properties: +- compatible : Should be "ti,omap3-c64" for OMAP3 & 4 +- ti,hwmods: "dsp" + +Examples: + +dsp { + compatible = "ti,omap3-c64"; + ti,hwmods = "dsp"; +}; diff --git a/Documentation/devicetree/bindings/arm/omap/iva.txt b/Documentation/devicetree/bindings/arm/omap/iva.txt new file mode 100644 index 000000000..6d6295171 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/omap/iva.txt @@ -0,0 +1,19 @@ +* TI - IVA (Imaging and Video Accelerator) subsystem + +The IVA contain various audio, video or imaging HW accelerator +depending of the version. + +Required properties: +- compatible : Should be: + - "ti,ivahd" for OMAP4 + - "ti,iva2.2" for OMAP3 + - "ti,iva2.1" for OMAP2430 + - "ti,iva1" for OMAP2420 +- ti,hwmods: "iva" + +Examples: + +iva { + compatible = "ti,ivahd", "ti,iva"; + ti,hwmods = "iva"; +}; diff --git a/Documentation/devicetree/bindings/arm/omap/l3-noc.txt b/Documentation/devicetree/bindings/arm/omap/l3-noc.txt new file mode 100644 index 000000000..161448da9 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/omap/l3-noc.txt @@ -0,0 +1,23 @@ +* TI - L3 Network On Chip (NoC) + +This version is an implementation of the generic NoC IP +provided by Arteris. + +Required properties: +- compatible : Should be "ti,omap3-l3-smx" for OMAP3 family + Should be "ti,omap4-l3-noc" for OMAP4 family + Should be "ti,omap5-l3-noc" for OMAP5 family + Should be "ti,dra7-l3-noc" for DRA7 family + Should be "ti,am4372-l3-noc" for AM43 family +- reg: Contains L3 register address range for each noc domain. +- ti,hwmods: "l3_main_1", ... One hwmod for each noc domain. + +Examples: + +ocp { + compatible = "ti,omap4-l3-noc", "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + ti,hwmods = "l3_main_1", "l3_main_2", "l3_main_3"; +}; diff --git a/Documentation/devicetree/bindings/arm/omap/l4.txt b/Documentation/devicetree/bindings/arm/omap/l4.txt new file mode 100644 index 000000000..6816adcdc --- /dev/null +++ b/Documentation/devicetree/bindings/arm/omap/l4.txt @@ -0,0 +1,37 @@ +L4 interconnect bindings + +These bindings describe the OMAP SoCs L4 interconnect bus. + +Required properties: +- compatible : Should be "ti,omap2-l4" for OMAP2 family l4 core bus + Should be "ti,omap2-l4-wkup" for OMAP2 family l4 wkup bus + Should be "ti,omap3-l4-core" for OMAP3 family l4 core bus + Should be "ti,omap4-l4-cfg" for OMAP4 family l4 cfg bus + Should be "ti,omap4-l4-per" for OMAP4 family l4 per bus + Should be "ti,omap4-l4-wkup" for OMAP4 family l4 wkup bus + Should be "ti,omap5-l4-cfg" for OMAP5 family l4 cfg bus + Should be "ti,omap5-l4-wkup" for OMAP5 family l4 wkup bus + Should be "ti,dra7-l4-cfg" for DRA7 family l4 cfg bus + Should be "ti,dra7-l4-wkup" for DRA7 family l4 wkup bus + Should be "ti,am3-l4-wkup" for AM33xx family l4 wkup bus + Should be "ti,am4-l4-wkup" for AM43xx family l4 wkup bus +- ranges : contains the IO map range for the bus +- reg : registers link agent and interconnect agent and access protection +- reg-names : "la" for link agent, "ia0" to "ia3" for one to three + interconnect agent instances, "ap" for access if it exists + +Examples: + +l4: interconnect@48000000 { + compatible "ti,omap4-l4-per", "simple-bus"; + reg = <0x48000000 0x800>, + <0x48000800 0x800>, + <0x48001000 0x400>, + <0x48001400 0x400>, + <0x48001800 0x400>, + <0x48001c00 0x400>; + reg-names = "ap", "la", "ia0", "ia1", "ia2", "ia3"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x48000000 0x100000>; +}; diff --git a/Documentation/devicetree/bindings/arm/omap/mpu.txt b/Documentation/devicetree/bindings/arm/omap/mpu.txt new file mode 100644 index 000000000..e41490e69 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/omap/mpu.txt @@ -0,0 +1,54 @@ +* TI - MPU (Main Processor Unit) subsystem + +The MPU subsystem contain one or several ARM cores +depending of the version. +The MPU contain CPUs, GIC, L2 cache and a local PRCM. + +Required properties: +- compatible : Should be "ti,omap3-mpu" for OMAP3 + Should be "ti,omap4-mpu" for OMAP4 + Should be "ti,omap5-mpu" for OMAP5 +- ti,hwmods: "mpu" + +Optional properties: +- sram: Phandle to the ocmcram node + +am335x and am437x only: +- pm-sram: Phandles to ocmcram nodes to be used for power management. + First should be type 'protect-exec' for the driver to use to copy + and run PM functions, second should be regular pool to be used for + data region for code. See Documentation/devicetree/bindings/sram/sram.yaml + for more details. + +Examples: + +- For an OMAP5 SMP system: + +mpu { + compatible = "ti,omap5-mpu"; + ti,hwmods = "mpu" +}; + +- For an OMAP4 SMP system: + +mpu { + compatible = "ti,omap4-mpu"; + ti,hwmods = "mpu"; +}; + + +- For an OMAP3 monocore system: + +mpu { + compatible = "ti,omap3-mpu"; + ti,hwmods = "mpu"; +}; + +- For an AM335x system: + +mpu { + compatible = "ti,omap3-mpu"; + ti,hwmods = "mpu"; + pm-sram = <&pm_sram_code + &pm_sram_data>; +}; diff --git a/Documentation/devicetree/bindings/arm/omap/omap.txt b/Documentation/devicetree/bindings/arm/omap/omap.txt new file mode 100644 index 000000000..fa8b31660 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/omap/omap.txt @@ -0,0 +1,225 @@ +* Texas Instruments OMAP + +OMAP is currently using a static file per SoC family to describe the +IPs present in the SoC. +On top of that an omap_device is created to extend the platform_device +capabilities and to allow binding with one or several hwmods. +The hwmods will contain all the information to build the device: +address range, irq lines, dma lines, interconnect, PRCM register, +clock domain, input clocks. +For the moment just point to the existing hwmod, the next step will be +to move data from hwmod to device-tree representation. + + +Required properties: +- compatible: Every devices present in OMAP SoC should be in the + form: "ti,XXX" +- ti,hwmods: list of hwmod names (ascii strings), that comes from the OMAP + HW documentation, attached to a device. Must contain at least + one hwmod. + +Optional properties: +- ti,no_idle_on_suspend: When present, it prevents the PM to idle the module + during suspend. +- ti,no-reset-on-init: When present, the module should not be reset at init +- ti,no-idle-on-init: When present, the module should not be idled at init +- ti,no-idle: When present, the module is never allowed to idle. + +Example: + +spinlock@1 { + compatible = "ti,omap4-spinlock"; + ti,hwmods = "spinlock"; +}; + +SoC Type (optional): + +- General Purpose devices + compatible = "ti,gp" +- High Security devices + compatible = "ti,hs" + +SoC Families: + +- OMAP2 generic - defaults to OMAP2420 + compatible = "ti,omap2" +- OMAP3 generic + compatible = "ti,omap3" +- OMAP4 generic - defaults to OMAP4430 + compatible = "ti,omap4" +- OMAP5 generic - defaults to OMAP5430 + compatible = "ti,omap5" +- DRA7 generic - defaults to DRA742 + compatible = "ti,dra7" +- AM33x generic + compatible = "ti,am33xx" +- AM43x generic - defaults to AM4372 + compatible = "ti,am43" + +SoCs: + +- OMAP2420 + compatible = "ti,omap2420", "ti,omap2" +- OMAP2430 + compatible = "ti,omap2430", "ti,omap2" + +- OMAP3430 + compatible = "ti,omap3430", "ti,omap3" + legacy: "ti,omap34xx" - please do not use any more +- AM3517 + compatible = "ti,am3517", "ti,omap3" +- OMAP3630 + compatible = "ti,omap3630", "ti,omap3" + legacy: "ti,omap36xx" - please do not use any more +- AM335x + compatible = "ti,am33xx" + +- OMAP4430 + compatible = "ti,omap4430", "ti,omap4" +- OMAP4460 + compatible = "ti,omap4460", "ti,omap4" + +- OMAP5430 + compatible = "ti,omap5430", "ti,omap5" +- OMAP5432 + compatible = "ti,omap5432", "ti,omap5" + +- DRA762 + compatible = "ti,dra762", "ti,dra7" + +- DRA742 + compatible = "ti,dra742", "ti,dra74", "ti,dra7" + +- DRA722 + compatible = "ti,dra722", "ti,dra72", "ti,dra7" + +- DRA718 + compatible = "ti,dra718", "ti,dra722", "ti,dra72", "ti,dra7" + +- AM5748 + compatible = "ti,am5748", "ti,dra762", "ti,dra7" + +- AM5728 + compatible = "ti,am5728", "ti,dra742", "ti,dra74", "ti,dra7" + +- AM5726 + compatible = "ti,am5726", "ti,dra742", "ti,dra74", "ti,dra7" + +- AM5718 + compatible = "ti,am5718", "ti,dra722", "ti,dra72", "ti,dra7" + +- AM5716 + compatible = "ti,am5716", "ti,dra722", "ti,dra72", "ti,dra7" + +- AM4372 + compatible = "ti,am4372", "ti,am43" + +Boards (incomplete list of examples): + +- OMAP3 BeagleBoard : Low cost community board + compatible = "ti,omap3-beagle", "ti,omap3430", "ti,omap3" + +- OMAP3 BeagleBoard A to B4 : Early BeagleBoard revisions A to B4 with a timer quirk + compatible = "ti,omap3-beagle-ab4", "ti,omap3-beagle", "ti,omap3430", "ti,omap3" + +- OMAP3 Tobi with Overo : Commercial expansion board with daughter board + compatible = "gumstix,omap3-overo-tobi", "gumstix,omap3-overo", "ti,omap3430", "ti,omap3" + +- OMAP4 SDP : Software Development Board + compatible = "ti,omap4-sdp", "ti,omap4430", "ti,omap4" + +- OMAP4 PandaBoard : Low cost community board + compatible = "ti,omap4-panda", "ti,omap4430", "ti,omap4" + +- OMAP4 DuoVero with Parlor : Commercial expansion board with daughter board + compatible = "gumstix,omap4-duovero-parlor", "gumstix,omap4-duovero", "ti,omap4430", "ti,omap4"; + +- OMAP4 VAR-STK-OM44 : Commercial dev kit with VAR-OM44CustomBoard and VAR-SOM-OM44 w/WLAN + compatible = "variscite,var-stk-om44", "variscite,var-som-om44", "ti,omap4460", "ti,omap4"; + +- OMAP4 VAR-DVK-OM44 : Commercial dev kit with VAR-OM44CustomBoard, VAR-SOM-OM44 w/WLAN and LCD touchscreen + compatible = "variscite,var-dvk-om44", "variscite,var-som-om44", "ti,omap4460", "ti,omap4"; + +- OMAP3 EVM : Software Development Board for OMAP35x, AM/DM37x + compatible = "ti,omap3-evm", "ti,omap3630", "ti,omap3" + +- AM335X EVM : Software Development Board for AM335x + compatible = "ti,am335x-evm", "ti,am33xx" + +- AM335X Bone : Low cost community board + compatible = "ti,am335x-bone", "ti,am33xx" + +- AM3359 ICEv2 : Low cost Industrial Communication Engine EVM. + compatible = "ti,am3359-icev2", "ti,am33xx" + +- AM335X OrionLXm : Substation Automation Platform + compatible = "novatech,am335x-lxm", "ti,am33xx" + +- AM335X phyBOARD-WEGA: Single Board Computer dev kit + compatible = "phytec,am335x-wega", "phytec,am335x-phycore-som", "ti,am33xx" + +- AM335X CM-T335 : System On Module, built around the Sitara AM3352/4 + compatible = "compulab,cm-t335", "ti,am33xx" + +- AM335X SBC-T335 : single board computer, built around the Sitara AM3352/4 + compatible = "compulab,sbc-t335", "compulab,cm-t335", "ti,am33xx" + +- AM335X phyCORE-AM335x: Development kit + compatible = "phytec,am335x-pcm-953", "phytec,am335x-phycore-som", "ti,am33xx" + +- AM335x phyBOARD-REGOR: Single Board Computer + compatible = "phytec,am335x-regor", "phytec,am335x-phycore-som", "ti,am33xx" + +- AM335X UC-8100-ME-T: Communication-centric industrial computing platform + compatible = "moxa,uc-8100-me-t", "ti,am33xx"; + +- OMAP5 EVM : Evaluation Module + compatible = "ti,omap5-evm", "ti,omap5" + +- AM437x CM-T43 + compatible = "compulab,am437x-cm-t43", "ti,am4372", "ti,am43" + +- AM437x SBC-T43 + compatible = "compulab,am437x-sbc-t43", "compulab,am437x-cm-t43", "ti,am4372", "ti,am43" + +- AM43x EPOS EVM + compatible = "ti,am43x-epos-evm", "ti,am43", "ti,am438x" + +- AM437x GP EVM + compatible = "ti,am437x-gp-evm", "ti,am4372", "ti,am43" + +- AM437x SK EVM: AM437x StarterKit Evaluation Module + compatible = "ti,am437x-sk-evm", "ti,am4372", "ti,am43" + +- AM57XX CL-SOM-AM57x + compatible = "compulab,cl-som-am57x", "ti,am5728", "ti,dra742", "ti,dra74", "ti,dra7" + +- AM57XX SBC-AM57x + compatible = "compulab,sbc-am57x", "compulab,cl-som-am57x", "ti,am5728", "ti,dra742", "ti,dra74", "ti,dra7" + +- AM5748 IDK + compatible = "ti,am5748-idk", "ti,am5748", "ti,dra762", "ti,dra7"; + +- AM5728 IDK + compatible = "ti,am5728-idk", "ti,am5728", "ti,dra742", "ti,dra74", "ti,dra7" + +- AM5718 IDK + compatible = "ti,am5718-idk", "ti,am5718", "ti,dra7" + +- DRA762 EVM: Software Development Board for DRA762 + compatible = "ti,dra76-evm", "ti,dra762", "ti,dra7" + +- DRA742 EVM: Software Development Board for DRA742 + compatible = "ti,dra7-evm", "ti,dra742", "ti,dra74", "ti,dra7" + +- DRA722 EVM: Software Development Board for DRA722 + compatible = "ti,dra72-evm", "ti,dra722", "ti,dra72", "ti,dra7" + +- DRA718 EVM: Software Development Board for DRA718 + compatible = "ti,dra718-evm", "ti,dra718", "ti,dra722", "ti,dra72", "ti,dra7" + +- DM3730 Logic PD Torpedo + Wireless: Commercial System on Module with WiFi and Bluetooth + compatible = "logicpd,dm3730-torpedo-devkit", "ti,omap3630", "ti,omap3" + +- DM3730 Logic PD SOM-LV: Commercial System on Module with WiFi and Bluetooth + compatible = "logicpd,dm3730-som-lv-devkit", "ti,omap3630", "ti,omap3" diff --git a/Documentation/devicetree/bindings/arm/omap/prcm.txt b/Documentation/devicetree/bindings/arm/omap/prcm.txt new file mode 100644 index 000000000..431ef8c56 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/omap/prcm.txt @@ -0,0 +1,68 @@ +OMAP PRCM bindings + +Power Reset and Clock Manager lists the device clocks and clockdomains under +a DT hierarchy. Each TI SoC can have multiple PRCM entities listed for it, +each describing one module and the clock hierarchy under it. see [1] for +documentation about the individual clock/clockdomain nodes. + +[1] Documentation/devicetree/bindings/clock/ti/* + +Required properties: +- compatible: Must be one of: + "ti,am3-prcm" + "ti,am4-prcm" + "ti,omap2-prcm" + "ti,omap3-prm" + "ti,omap3-cm" + "ti,omap4-cm1" + "ti,omap4-prm" + "ti,omap4-cm2" + "ti,omap4-scrm" + "ti,omap5-prm" + "ti,omap5-cm-core-aon" + "ti,omap5-scrm" + "ti,omap5-cm-core" + "ti,dra7-prm" + "ti,dra7-cm-core-aon" + "ti,dra7-cm-core" + "ti,dm814-prcm" + "ti,dm816-prcm" +- reg: Contains PRCM module register address range + (base address and length) +- clocks: clocks for this module +- clockdomains: clockdomains for this module +- #clock-cells: From common clock binding +- clock-output-names: From common clock binding + + +Example: + +cm: clock@48004000 { + compatible = "ti,omap3-cm"; + reg = <0x48004000 0x4000>; + #clock-cells = <0>; + clock-output-names = "cm"; + + cm_clocks: clocks { + #address-cells = <1>; + #size-cells = <0>; + }; + + cm_clockdomains: clockdomains { + }; +} + +&cm_clocks { + omap2_32k_fck: omap_32k_fck { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <32768>; + }; +}; + +&cm_clockdomains { + core_l3_clkdm: core_l3_clkdm { + compatible = "ti,clockdomain"; + clocks = <&sdrc_ick>; + }; +}; diff --git a/Documentation/devicetree/bindings/arm/omap/prm-inst.txt b/Documentation/devicetree/bindings/arm/omap/prm-inst.txt new file mode 100644 index 000000000..42db138e0 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/omap/prm-inst.txt @@ -0,0 +1,31 @@ +OMAP PRM instance bindings + +Power and Reset Manager is an IP block on OMAP family of devices which +handle the power domains and their current state, and provide reset +handling for the domains and/or separate IP blocks under the power domain +hierarchy. + +Required properties: +- compatible: Must contain one of the following: + "ti,am3-prm-inst" + "ti,am4-prm-inst" + "ti,omap4-prm-inst" + "ti,omap5-prm-inst" + "ti,dra7-prm-inst" + and additionally must contain: + "ti,omap-prm-inst" +- reg: Contains PRM instance register address range + (base address and length) + +Optional properties: +- #power-domain-cells: Should be 0 if the instance is a power domain provider. +- #reset-cells: Should be 1 if the PRM instance in question supports resets. + +Example: + +prm_dsp2: prm@1b00 { + compatible = "ti,dra7-prm-inst", "ti,omap-prm-inst"; + reg = <0x1b00 0x40>; + #power-domain-cells = <0>; + #reset-cells = <1>; +}; |