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diff --git a/Documentation/devicetree/bindings/arm/amlogic.yaml b/Documentation/devicetree/bindings/arm/amlogic.yaml new file mode 100644 index 000000000..9fda2436c --- /dev/null +++ b/Documentation/devicetree/bindings/arm/amlogic.yaml @@ -0,0 +1,202 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/amlogic.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Amlogic MesonX + +maintainers: + - Kevin Hilman <khilman@baylibre.com> + +description: |+ + Work in progress statement: + + Device tree files and bindings applying to Amlogic SoCs and boards are + considered "unstable". Any Amlogic device tree binding may change at + any time. Be sure to use a device tree binary and a kernel image + generated from the same source tree. + + Please refer to Documentation/devicetree/bindings/ABI.rst for a definition of a + stable binding/ABI. + +properties: + $nodename: + const: '/' + compatible: + oneOf: + - description: Boards with the Amlogic Meson6 SoC + items: + - enum: + - geniatech,atv1200 + - const: amlogic,meson6 + + - description: Boards with the Amlogic Meson8 SoC + items: + - enum: + - minix,neo-x8 + - const: amlogic,meson8 + + - description: Boards with the Amlogic Meson8m2 SoC + items: + - enum: + - tronsmart,mxiii-plus + - const: amlogic,meson8m2 + + - description: Boards with the Amlogic Meson8b SoC + items: + - enum: + - endless,ec100 + - hardkernel,odroid-c1 + - tronfy,mxq + - const: amlogic,meson8b + + - description: Boards with the Amlogic Meson GXBaby SoC + items: + - enum: + - amlogic,p200 + - amlogic,p201 + - friendlyarm,nanopi-k2 + - hardkernel,odroid-c2 + - nexbox,a95x + - videostrong,kii-pro + - wetek,hub + - wetek,play2 + - const: amlogic,meson-gxbb + + - description: Tronsmart Vega S95 devices + items: + - enum: + - tronsmart,vega-s95-pro + - tronsmart,vega-s95-meta + - tronsmart,vega-s95-telos + - const: tronsmart,vega-s95 + - const: amlogic,meson-gxbb + + - description: Boards with the Amlogic Meson GXL S805X SoC + items: + - enum: + - amlogic,p241 + - libretech,aml-s805x-ac + - const: amlogic,s805x + - const: amlogic,meson-gxl + + - description: Boards with the Amlogic Meson GXL S905W SoC + items: + - enum: + - amlogic,p281 + - oranth,tx3-mini + - jethome,jethub-j80 + - const: amlogic,s905w + - const: amlogic,meson-gxl + + - description: Boards with the Amlogic Meson GXL S905X SoC + items: + - enum: + - amlogic,p212 + - hwacom,amazetv + - khadas,vim + - libretech,aml-s905x-cc + - libretech,aml-s905x-cc-v2 + - nexbox,a95x + - const: amlogic,s905x + - const: amlogic,meson-gxl + + - description: Boards with the Amlogic Meson GXL S905D SoC + items: + - enum: + - amlogic,p230 + - amlogic,p231 + - libretech,aml-s905d-pc + - osmc,vero4k-plus + - phicomm,n1 + - smartlabs,sml5442tw + - videostrong,gxl-kii-pro + - const: amlogic,s905d + - const: amlogic,meson-gxl + + - description: Boards with the Amlogic Meson GXM S912 SoC + items: + - enum: + - amlogic,q200 + - amlogic,q201 + - azw,gt1-ultimate + - khadas,vim2 + - kingnovel,r-box-pro + - libretech,aml-s912-pc + - minix,neo-u9h + - nexbox,a1 + - tronsmart,vega-s96 + - videostrong,gxm-kiii-pro + - wetek,core2 + - const: amlogic,s912 + - const: amlogic,meson-gxm + + - description: Boards with the Amlogic Meson AXG A113D SoC + items: + - enum: + - amlogic,s400 + - jethome,jethub-j100 + - jethome,jethub-j110 + - const: amlogic,a113d + - const: amlogic,meson-axg + + - description: Boards with the Amlogic Meson G12A S905D2/X2/Y2 SoC + items: + - enum: + - amediatech,x96-max + - amlogic,u200 + - radxa,zero + - seirobotics,sei510 + - const: amlogic,g12a + + - description: Boards with the Amlogic Meson G12B A311D SoC + items: + - enum: + - khadas,vim3 + - const: amlogic,a311d + - const: amlogic,g12b + + - description: Boards with the Amlogic Meson G12B S922X SoC + items: + - enum: + - azw,gsking-x + - azw,gtking + - azw,gtking-pro + - hardkernel,odroid-n2 + - hardkernel,odroid-n2-plus + - khadas,vim3 + - ugoos,am6 + - const: amlogic,s922x + - const: amlogic,g12b + + - description: Boards with the Amlogic Meson SM1 S905X3/D3/Y3 SoC + items: + - enum: + - amediatech,x96-air + - amediatech,x96-air-gbit + - bananapi,bpi-m5 + - cyx,a95xf3-air + - cyx,a95xf3-air-gbit + - hardkernel,odroid-c4 + - hardkernel,odroid-hc4 + - haochuangyi,h96-max + - khadas,vim3l + - seirobotics,sei610 + - const: amlogic,sm1 + + - description: Boards with the Amlogic Meson A1 A113L SoC + items: + - enum: + - amlogic,ad401 + - const: amlogic,a1 + + - description: Boards with the Amlogic Meson S4 S805X2 SoC + items: + - enum: + - amlogic,aq222 + - const: amlogic,s4 + +additionalProperties: true + +... diff --git a/Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-gx-ao-secure.yaml b/Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-gx-ao-secure.yaml new file mode 100644 index 000000000..1748f1605 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-gx-ao-secure.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2019 BayLibre, SAS +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/arm/amlogic/amlogic,meson-gx-ao-secure.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Amlogic Meson Firmware registers Interface + +maintainers: + - Neil Armstrong <neil.armstrong@linaro.org> + +description: | + The Meson SoCs have a register bank with status and data shared with the + secure firmware. + +# We need a select here so we don't match all nodes with 'syscon' +select: + properties: + compatible: + contains: + const: amlogic,meson-gx-ao-secure + required: + - compatible + +properties: + compatible: + items: + - const: amlogic,meson-gx-ao-secure + - const: syscon + + reg: + maxItems: 1 + + amlogic,has-chip-id: + description: | + A firmware register encodes the SoC type, package and revision + information on the Meson GX SoCs. If present, the interface gives + the current SoC version. + type: boolean + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + ao-secure@140 { + compatible = "amlogic,meson-gx-ao-secure", "syscon"; + reg = <0x140 0x140>; + amlogic,has-chip-id; + }; diff --git a/Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-mx-secbus2.yaml b/Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-mx-secbus2.yaml new file mode 100644 index 000000000..eee7cda9f --- /dev/null +++ b/Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-mx-secbus2.yaml @@ -0,0 +1,42 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/arm/amlogic/amlogic,meson-mx-secbus2.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Amlogic Meson8/Meson8b/Meson8m2 SECBUS2 register interface + +maintainers: + - Martin Blumenstingl <martin.blumenstingl@googlemail.com> + +description: | + The Meson8/Meson8b/Meson8m2 SoCs have a register bank called SECBUS2 which + contains registers for various IP blocks such as pin-controller bits for + the BSD_EN and TEST_N GPIOs as well as some AO ARC core control bits. + The registers can be accessed directly when not running in "secure mode". + When "secure mode" is enabled then these registers have to be accessed + through secure monitor calls. + +properties: + compatible: + items: + - enum: + - amlogic,meson8-secbus2 + - amlogic,meson8b-secbus2 + - const: syscon + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + secbus2: system-controller@4000 { + compatible = "amlogic,meson8-secbus2", "syscon"; + reg = <0x4000 0x2000>; + }; diff --git a/Documentation/devicetree/bindings/arm/amlogic/analog-top.txt b/Documentation/devicetree/bindings/arm/amlogic/analog-top.txt new file mode 100644 index 000000000..101dc2101 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/amlogic/analog-top.txt @@ -0,0 +1,20 @@ +Amlogic Meson8 and Meson8b "analog top" registers: +-------------------------------------------------- + +The analog top registers contain information about the so-called +"metal revision" (which encodes the "minor version") of the SoC. + +Required properties: +- reg: the register range of the analog top registers +- compatible: depending on the SoC this should be one of: + - "amlogic,meson8-analog-top" + - "amlogic,meson8b-analog-top" + along with "syscon" + + +Example: + + analog_top: analog-top@81a8 { + compatible = "amlogic,meson8-analog-top", "syscon"; + reg = <0x81a8 0x14>; + }; diff --git a/Documentation/devicetree/bindings/arm/amlogic/assist.txt b/Documentation/devicetree/bindings/arm/amlogic/assist.txt new file mode 100644 index 000000000..7656812b6 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/amlogic/assist.txt @@ -0,0 +1,17 @@ +Amlogic Meson6/Meson8/Meson8b assist registers: +----------------------------------------------- + +The assist registers contain basic information about the SoC, +for example the encoded SoC part number. + +Required properties: +- reg: the register range of the assist registers +- compatible: should be "amlogic,meson-mx-assist" along with "syscon" + + +Example: + + assist: assist@7c00 { + compatible = "amlogic,meson-mx-assist", "syscon"; + reg = <0x7c00 0x200>; + }; diff --git a/Documentation/devicetree/bindings/arm/amlogic/bootrom.txt b/Documentation/devicetree/bindings/arm/amlogic/bootrom.txt new file mode 100644 index 000000000..407e27f23 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/amlogic/bootrom.txt @@ -0,0 +1,17 @@ +Amlogic Meson6/Meson8/Meson8b bootrom: +-------------------------------------- + +The bootrom register area can be used to access SoC specific +information, such as the "misc version". + +Required properties: +- reg: the register range of the bootrom registers +- compatible: should be "amlogic,meson-mx-bootrom" along with "syscon" + + +Example: + + bootrom: bootrom@d9040000 { + compatible = "amlogic,meson-mx-bootrom", "syscon"; + reg = <0xd9040000 0x10000>; + }; diff --git a/Documentation/devicetree/bindings/arm/amlogic/pmu.txt b/Documentation/devicetree/bindings/arm/amlogic/pmu.txt new file mode 100644 index 000000000..72f8d0819 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/amlogic/pmu.txt @@ -0,0 +1,18 @@ +Amlogic Meson8 and Meson8b power-management-unit: +------------------------------------------------- + +The pmu is used to turn off and on different power domains of the SoCs +This includes the power to the CPU cores. + +Required node properties: +- compatible value : depending on the SoC this should be one of: + "amlogic,meson8-pmu" + "amlogic,meson8b-pmu" +- reg : physical base address and the size of the registers window + +Example: + + pmu@c81000e4 { + compatible = "amlogic,meson8b-pmu", "syscon"; + reg = <0xc81000e0 0x18>; + }; |