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-ARM Mali Midgard GPU
-====================
-
-Required properties:
-
-- compatible :
- * Must contain one of the following:
- + "arm,mali-t604"
- + "arm,mali-t624"
- + "arm,mali-t628"
- + "arm,mali-t720"
- + "arm,mali-t760"
- + "arm,mali-t820"
- + "arm,mali-t830"
- + "arm,mali-t860"
- + "arm,mali-t880"
- * which must be preceded by one of the following vendor specifics:
- + "allwinner,sun50i-h6-mali"
- + "amlogic,meson-gxm-mali"
- + "samsung,exynos5433-mali"
- + "rockchip,rk3288-mali"
- + "rockchip,rk3399-mali"
-
-- reg : Physical base address of the device and length of the register area.
-
-- interrupts : Contains the three IRQ lines required by Mali Midgard devices.
-
-- interrupt-names : Contains the names of IRQ resources in the order they were
- provided in the interrupts property. Must contain: "job", "mmu", "gpu".
-
-
-Optional properties:
-
-- clocks : Phandle to clock for the Mali Midgard device.
-
-- clock-names : Specify the names of the clocks specified in clocks
- when multiple clocks are present.
- * core: clock driving the GPU itself (When only one clock is present,
- assume it's this clock.)
- * bus: bus clock for the GPU
-
-- mali-supply : Phandle to regulator for the Mali device. Refer to
- Documentation/devicetree/bindings/regulator/regulator.txt for details.
-
-- operating-points-v2 : Refer to Documentation/devicetree/bindings/opp/opp.txt
- for details.
-
-- #cooling-cells: Refer to Documentation/devicetree/bindings/thermal/thermal.txt
- for details.
-
-- resets : Phandle of the GPU reset line.
-
-Vendor-specific bindings
-------------------------
-
-The Mali GPU is integrated very differently from one SoC to
-another. In order to accommodate those differences, you have the option
-to specify one more vendor-specific compatible, among:
-
-- "allwinner,sun50i-h6-mali"
- Required properties:
- - clocks : phandles to core and bus clocks
- - clock-names : must contain "core" and "bus"
- - resets: phandle to GPU reset line
-
-- "amlogic,meson-gxm-mali"
- Required properties:
- - resets : Should contain phandles of :
- + GPU reset line
- + GPU APB glue reset line
-
-Example for a Mali-T760:
-
-gpu@ffa30000 {
- compatible = "rockchip,rk3288-mali", "arm,mali-t760";
- reg = <0xffa30000 0x10000>;
- interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
- interrupt-names = "job", "mmu", "gpu";
- clocks = <&cru ACLK_GPU>;
- mali-supply = <&vdd_gpu>;
- operating-points-v2 = <&gpu_opp_table>;
- power-domains = <&power RK3288_PD_GPU>;
- #cooling-cells = <2>;
-};
-
-gpu_opp_table: opp_table0 {
- compatible = "operating-points-v2";
-
- opp@533000000 {
- opp-hz = /bits/ 64 <533000000>;
- opp-microvolt = <1250000>;
- };
- opp@450000000 {
- opp-hz = /bits/ 64 <450000000>;
- opp-microvolt = <1150000>;
- };
- opp@400000000 {
- opp-hz = /bits/ 64 <400000000>;
- opp-microvolt = <1125000>;
- };
- opp@350000000 {
- opp-hz = /bits/ 64 <350000000>;
- opp-microvolt = <1075000>;
- };
- opp@266000000 {
- opp-hz = /bits/ 64 <266000000>;
- opp-microvolt = <1025000>;
- };
- opp@160000000 {
- opp-hz = /bits/ 64 <160000000>;
- opp-microvolt = <925000>;
- };
- opp@100000000 {
- opp-hz = /bits/ 64 <100000000>;
- opp-microvolt = <912500>;
- };
-};
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+# SPDX-License-Identifier: GPL-2.0-only
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpu/arm,mali-midgard.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ARM Mali Midgard GPU
+
+maintainers:
+ - Rob Herring <robh@kernel.org>
+
+properties:
+ $nodename:
+ pattern: '^gpu@[a-f0-9]+$'
+ compatible:
+ oneOf:
+ - items:
+ - enum:
+ - allwinner,sun50i-h6-mali
+ - const: arm,mali-t720
+ - items:
+ - enum:
+ - amlogic,meson-gxm-mali
+ - const: arm,mali-t820
+ - items:
+ - enum:
+ - rockchip,rk3288-mali
+ - const: arm,mali-t760
+ - items:
+ - enum:
+ - rockchip,rk3399-mali
+ - const: arm,mali-t860
+ - items:
+ - enum:
+ - samsung,exynos5433-mali
+ - const: arm,mali-t760
+
+ # "arm,mali-t604"
+ # "arm,mali-t624"
+ # "arm,mali-t628"
+ # "arm,mali-t830"
+ # "arm,mali-t880"
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ items:
+ - description: Job interrupt
+ - description: MMU interrupt
+ - description: GPU interrupt
+
+ interrupt-names:
+ items:
+ - const: job
+ - const: mmu
+ - const: gpu
+
+ clocks:
+ minItems: 1
+ maxItems: 2
+
+ clock-names:
+ minItems: 1
+ items:
+ - const: core
+ - const: bus
+
+ mali-supply:
+ maxItems: 1
+
+ resets:
+ minItems: 1
+ maxItems: 2
+
+ operating-points-v2: true
+
+ "#cooling-cells":
+ const: 2
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - interrupt-names
+ - clocks
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: allwinner,sun50i-h6-mali
+ then:
+ properties:
+ clocks:
+ minItems: 2
+ required:
+ - clock-names
+ - resets
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: amlogic,meson-gxm-mali
+ then:
+ properties:
+ resets:
+ minItems: 2
+ required:
+ - resets
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ gpu@ffa30000 {
+ compatible = "rockchip,rk3288-mali", "arm,mali-t760";
+ reg = <0xffa30000 0x10000>;
+ interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "job", "mmu", "gpu";
+ clocks = <&cru 0>;
+ mali-supply = <&vdd_gpu>;
+ operating-points-v2 = <&gpu_opp_table>;
+ power-domains = <&power 0>;
+ #cooling-cells = <2>;
+ };
+
+ gpu_opp_table: opp_table0 {
+ compatible = "operating-points-v2";
+
+ opp@533000000 {
+ opp-hz = /bits/ 64 <533000000>;
+ opp-microvolt = <1250000>;
+ };
+ opp@450000000 {
+ opp-hz = /bits/ 64 <450000000>;
+ opp-microvolt = <1150000>;
+ };
+ opp@400000000 {
+ opp-hz = /bits/ 64 <400000000>;
+ opp-microvolt = <1125000>;
+ };
+ opp@350000000 {
+ opp-hz = /bits/ 64 <350000000>;
+ opp-microvolt = <1075000>;
+ };
+ opp@266000000 {
+ opp-hz = /bits/ 64 <266000000>;
+ opp-microvolt = <1025000>;
+ };
+ opp@160000000 {
+ opp-hz = /bits/ 64 <160000000>;
+ opp-microvolt = <925000>;
+ };
+ opp@100000000 {
+ opp-hz = /bits/ 64 <100000000>;
+ opp-microvolt = <912500>;
+ };
+ };
+
+...