Add devicetree schema for Arm Mali Valhall GPU
Define a compatible string for the Mali Valhall GPU
for Mediatek's SoC platform.
Signed-off-by: Nick Fan <[email protected]>
---
.../bindings/gpu/arm,mali-valhall.yaml | 217 ++++++++++++++++++
1 file changed, 217 insertions(+)
create mode 100644 Documentation/devicetree/bindings/gpu/arm,mali-valhall.yaml
diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-valhall.yaml b/Documentation/devicetree/bindings/gpu/arm,mali-valhall.yaml
new file mode 100644
index 000000000000..275c14ad173a
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpu/arm,mali-valhall.yaml
@@ -0,0 +1,217 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (c) 2020 MediaTek Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpu/arm,mali-valhall.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ARM Mali Valhall GPU
+
+maintainers:
+ - Rob Herring <[email protected]>
+
+properties:
+ $nodename:
+ pattern: '^gpu@[a-f0-9]+$'
+
+ compatible:
+ items:
+ - enum:
+ - mediatek,mt8192-mali
+ - const: arm,mali-valhall
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ items:
+ - description: GPU interrupt
+ - description: MMU interrupt
+ - description: Job interrupt
+
+ interrupt-names:
+ items:
+ - const: gpu
+ - const: mmu
+ - const: job
+
+ clocks:
+ minItems: 1
+
+ power-domains:
+ minItems: 1
+ maxItems: 5
+
+ mali-supply: true
+ sram-supply: true
+
+ operating-points-v2: true
+ opp_table: true
+
+ "#cooling-cells":
+ const: 2
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - interrupt-names
+ - clocks
+
+additionalProperties: false
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: mediatek,mt8192-mali
+ then:
+ properties:
+ power-domains:
+ minItems: 5
+ maxItems: 5
+
+ power-domain-names:
+ items:
+ - const: core0
+ - const: core1
+ - const: core2
+ - const: core3
+ - const: core4
+
+ required:
+ - sram-supply
+ - power-domains
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ gpu@13000000 {
+ compatible = "mediatek,mt8192-mali", "arm,mali-valhall";
+ reg = <0x13000000 0x4000>;
+ interrupts =
+ <GIC_SPI 363 IRQ_TYPE_LEVEL_HIGH 0>,
+ <GIC_SPI 364 IRQ_TYPE_LEVEL_HIGH 0>,
+ <GIC_SPI 365 IRQ_TYPE_LEVEL_HIGH 0>;
+ interrupt-names =
+ "gpu",
+ "mmu",
+ "job";
+
+ clocks = <&mfgcfg 0>;
+
+ power-domains =
+ <&spm 4>,
+ <&spm 5>,
+ <&spm 6>,
+ <&spm 7>,
+ <&spm 8>;
+
+ operating-points-v2 = <&gpu_opp_table>;
+ mali-supply = <&mt6315_7_vbuck1>;
+ sram-supply = <&mt6359_vsram_others_ldo_reg>;
+ gpu_opp_table: opp_table {
+ compatible = "operating-points-v2";
+ opp-shared;
+
+ opp-358000000 {
+ opp-hz = /bits/ 64 <358000000>;
+ opp-microvolt = <606250>,
+ <750000>;
+ };
+
+ opp-399000000 {
+ opp-hz = /bits/ 64 <399000000>;
+ opp-microvolt = <618750>,
+ <750000>;
+ };
+
+ opp-440000000 {
+ opp-hz = /bits/ 64 <440000000>;
+ opp-microvolt = <631250>,
+ <750000>;
+ };
+
+ opp-482000000 {
+ opp-hz = /bits/ 64 <482000000>;
+ opp-microvolt = <643750>,
+ <750000>;
+ };
+
+ opp-523000000 {
+ opp-hz = /bits/ 64 <523000000>;
+ opp-microvolt = <656250>,
+ <750000>;
+ };
+
+ opp-564000000 {
+ opp-hz = /bits/ 64 <564000000>;
+ opp-microvolt = <668750>,
+ <750000>;
+ };
+
+ opp-605000000 {
+ opp-hz = /bits/ 64 <605000000>;
+ opp-microvolt = <681250>,
+ <750000>;
+ };
+
+ opp-647000000 {
+ opp-hz = /bits/ 64 <647000000>;
+ opp-microvolt = <693750>,
+ <750000>;
+ };
+
+ opp-688000000 {
+ opp-hz = /bits/ 64 <688000000>;
+ opp-microvolt = <706250>,
+ <750000>;
+ };
+
+ opp-724000000 {
+ opp-hz = /bits/ 64 <724000000>;
+ opp-microvolt = <725000>,
+ <750000>;
+ };
+
+ opp-760000000 {
+ opp-hz = /bits/ 64 <760000000>;
+ opp-microvolt = <743750>,
+ <750000>;
+ };
+
+ opp-795000000 {
+ opp-hz = /bits/ 64 <795000000>;
+ opp-microvolt = <762500>,
+ <762500>;
+ };
+
+ opp-831000000 {
+ opp-hz = /bits/ 64 <831000000>;
+ opp-microvolt = <781250>,
+ <781250>;
+ };
+
+ opp-855000000 {
+ opp-hz = /bits/ 64 <855000000>;
+ opp-microvolt = <793750>,
+ <793750>;
+ };
+
+ opp-902000000 {
+ opp-hz = /bits/ 64 <902000000>;
+ opp-microvolt = <818750>,
+ <818750>;
+ };
+
+ opp-950000000 {
+ opp-hz = /bits/ 64 <950000000>;
+ opp-microvolt = <843750>,
+ <843750>;
+ };
+ };
+ };
+...
--
2.18.0
On Thu, Jan 28, 2021 at 10:23:41AM +0800, Nick Fan wrote:
> Add devicetree schema for Arm Mali Valhall GPU
>
> Define a compatible string for the Mali Valhall GPU
> for Mediatek's SoC platform.
>
> Signed-off-by: Nick Fan <[email protected]>
> ---
> .../bindings/gpu/arm,mali-valhall.yaml | 217 ++++++++++++++++++
> 1 file changed, 217 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/gpu/arm,mali-valhall.yaml
>
> diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-valhall.yaml b/Documentation/devicetree/bindings/gpu/arm,mali-valhall.yaml
> new file mode 100644
> index 000000000000..275c14ad173a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/gpu/arm,mali-valhall.yaml
> @@ -0,0 +1,217 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright (c) 2020 MediaTek Inc.
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/gpu/arm,mali-valhall.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: ARM Mali Valhall GPU
> +
> +maintainers:
> + - Rob Herring <[email protected]>
> +
> +properties:
> + $nodename:
> + pattern: '^gpu@[a-f0-9]+$'
> +
> + compatible:
> + items:
> + - enum:
> + - mediatek,mt8192-mali
> + - const: arm,mali-valhall
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + items:
> + - description: GPU interrupt
> + - description: MMU interrupt
> + - description: Job interrupt
> +
> + interrupt-names:
> + items:
> + - const: gpu
> + - const: mmu
> + - const: job
Please use the same order as midgard and bifrost.
> +
> + clocks:
> + minItems: 1
> +
> + power-domains:
> + minItems: 1
> + maxItems: 5
> +
> + mali-supply: true
> + sram-supply: true
> +
> + operating-points-v2: true
> + opp_table: true
opp-table
> +
> + "#cooling-cells":
> + const: 2
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - interrupt-names
> + - clocks
> +
> +additionalProperties: false
> +
> +allOf:
> + - if:
> + properties:
> + compatible:
> + contains:
> + const: mediatek,mt8192-mali
> + then:
> + properties:
> + power-domains:
> + minItems: 5
> + maxItems: 5
> +
> + power-domain-names:
> + items:
> + - const: core0
> + - const: core1
> + - const: core2
> + - const: core3
> + - const: core4
> +
> + required:
> + - sram-supply
> + - power-domains
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/irq.h>
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> + gpu@13000000 {
> + compatible = "mediatek,mt8192-mali", "arm,mali-valhall";
Do 4 space indent.
> + reg = <0x13000000 0x4000>;
> + interrupts =
> + <GIC_SPI 363 IRQ_TYPE_LEVEL_HIGH 0>,
> + <GIC_SPI 364 IRQ_TYPE_LEVEL_HIGH 0>,
> + <GIC_SPI 365 IRQ_TYPE_LEVEL_HIGH 0>;
> + interrupt-names =
> + "gpu",
> + "mmu",
> + "job";
> +
> + clocks = <&mfgcfg 0>;
> +
> + power-domains =
> + <&spm 4>,
> + <&spm 5>,
> + <&spm 6>,
> + <&spm 7>,
> + <&spm 8>;
> +
> + operating-points-v2 = <&gpu_opp_table>;
> + mali-supply = <&mt6315_7_vbuck1>;
> + sram-supply = <&mt6359_vsram_others_ldo_reg>;
> + gpu_opp_table: opp_table {
> + compatible = "operating-points-v2";
And then the same here.
> + opp-shared;
> +
> + opp-358000000 {
> + opp-hz = /bits/ 64 <358000000>;
> + opp-microvolt = <606250>,
> + <750000>;
Isn't this supposed to be either a single value or <min max nominal>?
> + };
> +
> + opp-399000000 {
> + opp-hz = /bits/ 64 <399000000>;
> + opp-microvolt = <618750>,
> + <750000>;
> + };
> +
> + opp-440000000 {
> + opp-hz = /bits/ 64 <440000000>;
> + opp-microvolt = <631250>,
> + <750000>;
> + };
> +
> + opp-482000000 {
> + opp-hz = /bits/ 64 <482000000>;
> + opp-microvolt = <643750>,
> + <750000>;
> + };
> +
> + opp-523000000 {
> + opp-hz = /bits/ 64 <523000000>;
> + opp-microvolt = <656250>,
> + <750000>;
> + };
> +
> + opp-564000000 {
> + opp-hz = /bits/ 64 <564000000>;
> + opp-microvolt = <668750>,
> + <750000>;
> + };
> +
> + opp-605000000 {
> + opp-hz = /bits/ 64 <605000000>;
> + opp-microvolt = <681250>,
> + <750000>;
> + };
> +
> + opp-647000000 {
> + opp-hz = /bits/ 64 <647000000>;
> + opp-microvolt = <693750>,
> + <750000>;
> + };
> +
> + opp-688000000 {
> + opp-hz = /bits/ 64 <688000000>;
> + opp-microvolt = <706250>,
> + <750000>;
> + };
> +
> + opp-724000000 {
> + opp-hz = /bits/ 64 <724000000>;
> + opp-microvolt = <725000>,
> + <750000>;
> + };
> +
> + opp-760000000 {
> + opp-hz = /bits/ 64 <760000000>;
> + opp-microvolt = <743750>,
> + <750000>;
> + };
> +
> + opp-795000000 {
> + opp-hz = /bits/ 64 <795000000>;
> + opp-microvolt = <762500>,
> + <762500>;
> + };
> +
> + opp-831000000 {
> + opp-hz = /bits/ 64 <831000000>;
> + opp-microvolt = <781250>,
> + <781250>;
> + };
> +
> + opp-855000000 {
> + opp-hz = /bits/ 64 <855000000>;
> + opp-microvolt = <793750>,
> + <793750>;
> + };
> +
> + opp-902000000 {
> + opp-hz = /bits/ 64 <902000000>;
> + opp-microvolt = <818750>,
> + <818750>;
> + };
> +
> + opp-950000000 {
> + opp-hz = /bits/ 64 <950000000>;
> + opp-microvolt = <843750>,
> + <843750>;
> + };
> + };
> + };
> +...
> --
> 2.18.0
>