Re: [PATCH v4 1/2] dt-bindings: Add DT schema for Arm Mali Valhall GPU

2021-01-28 Thread Nick Fan
Thanks for your review.
These are fixed in v5 as following link.
https://lore.kernel.org/patchwork/patch/1372271/

Nick Fan

On Thu, 2021-01-14 at 14:14 -0600, Rob Herring wrote:
> On Tue, Jan 12, 2021 at 02:49:32PM +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 
> > ---
> >  .../bindings/gpu/arm,mali-valhall.yaml| 252 ++
> >  1 file changed, 252 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 ..ecf249a58435
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/gpu/arm,mali-valhall.yaml
> > @@ -0,0 +1,252 @@
> > +# 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 
> > +
> > +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
> > +
> > +  "#cooling-cells":
> > +const: 2
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - interrupts
> > +  - interrupt-names
> > +  - clocks
> > +
> > +additionalProperties: false
> > +
> > +allOf:
> > +  - if:
> > +  properties:
> > +compatible:
> > +  contains:
> > +const: mediatek,mt8192-mali
> > +then:
> > +  properties:
> > +sram-supply: true
> > +power-domains:
> > +  description:
> > +List of phandle and PM domain specifier as documented in
> > +Documentation/devicetree/bindings/power/power_domain.txt
> > +  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 
> > +#include 
> > +
> > +gpu@1300 {
> > +   compatible = "mediatek,mt8192-mali", "arm,mali-valhall";
> > +   reg = <0x1300 0x4000>;
> > +   interrupts =
> > +   ,
> > +   ,
> > +   ;
> > +   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_table0 {
> 
> Make this a child node of the gpu node.
> 
> > +  compatible = "operating-points-v2";
> > +  opp-shared;
> > +
> > +  opp-35800 {
> > +  opp-hz = /bits/ 64 <35800>;
> > +  opp-hz-real = /bits/ 64 <35800>,
> > +/bits/ 64 <35800>;
> 
> This is not part of the OPP binding. It's not clear what it's purpose 
> would be given the values are always the same as opp-hz.
> 
> 
> > +  opp-microvolt = <606250>,
> > +  <75>;
> > +  };
> > +
> > +  opp-39900 {
> > +  opp-hz = /bits/ 64 <39900>;
> > +  opp-hz-real = /bits/ 64 <39900>,
> > +/bits/ 64 <39900>;
> > +  opp-microvolt = <618750>,
> > +  <75>;
> > +  };
> > +
> > +  opp-44000 {
> > +  opp-hz = /bits/ 64 <44000>;
> > +  opp-hz-real = /bits/ 64 <44000>,
> > +/bits/ 64 <44000>;
> > +

Re: [PATCH v4 1/2] dt-bindings: Add DT schema for Arm Mali Valhall GPU

2021-01-14 Thread Rob Herring
On Tue, Jan 12, 2021 at 02:49:32PM +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 
> ---
>  .../bindings/gpu/arm,mali-valhall.yaml| 252 ++
>  1 file changed, 252 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 ..ecf249a58435
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/gpu/arm,mali-valhall.yaml
> @@ -0,0 +1,252 @@
> +# 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 
> +
> +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
> +
> +  "#cooling-cells":
> +const: 2
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - interrupt-names
> +  - clocks
> +
> +additionalProperties: false
> +
> +allOf:
> +  - if:
> +  properties:
> +compatible:
> +  contains:
> +const: mediatek,mt8192-mali
> +then:
> +  properties:
> +sram-supply: true
> +power-domains:
> +  description:
> +List of phandle and PM domain specifier as documented in
> +Documentation/devicetree/bindings/power/power_domain.txt
> +  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 
> +#include 
> +
> +gpu@1300 {
> +   compatible = "mediatek,mt8192-mali", "arm,mali-valhall";
> +   reg = <0x1300 0x4000>;
> +   interrupts =
> +   ,
> +   ,
> +   ;
> +   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_table0 {

Make this a child node of the gpu node.

> +  compatible = "operating-points-v2";
> +  opp-shared;
> +
> +  opp-35800 {
> +  opp-hz = /bits/ 64 <35800>;
> +  opp-hz-real = /bits/ 64 <35800>,
> +/bits/ 64 <35800>;

This is not part of the OPP binding. It's not clear what it's purpose 
would be given the values are always the same as opp-hz.


> +  opp-microvolt = <606250>,
> +  <75>;
> +  };
> +
> +  opp-39900 {
> +  opp-hz = /bits/ 64 <39900>;
> +  opp-hz-real = /bits/ 64 <39900>,
> +/bits/ 64 <39900>;
> +  opp-microvolt = <618750>,
> +  <75>;
> +  };
> +
> +  opp-44000 {
> +  opp-hz = /bits/ 64 <44000>;
> +  opp-hz-real = /bits/ 64 <44000>,
> +/bits/ 64 <44000>;
> +  opp-microvolt = <631250>,
> +  <75>;
> +  };
> +
> +  opp-48200 {
> +  opp-hz = /bits/ 64 <48200>;
> +  opp-hz-real = /bits/ 64 <48200>,
> +/bits/ 64 <48200>;
> +  opp-microvolt = <643750>,
> +  <75>;
> +  };
> +
> +  opp-52300 {
> +  opp-hz = /bits/ 64 <52300>;
> +  opp-hz-real = /bits/ 64 <52300>,
> + 

[PATCH v4 1/2] dt-bindings: Add DT schema for Arm Mali Valhall GPU

2021-01-11 Thread Nick Fan
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 
---
 .../bindings/gpu/arm,mali-valhall.yaml| 252 ++
 1 file changed, 252 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 ..ecf249a58435
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpu/arm,mali-valhall.yaml
@@ -0,0 +1,252 @@
+# 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 
+
+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
+
+  "#cooling-cells":
+const: 2
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - interrupt-names
+  - clocks
+
+additionalProperties: false
+
+allOf:
+  - if:
+  properties:
+compatible:
+  contains:
+const: mediatek,mt8192-mali
+then:
+  properties:
+sram-supply: true
+power-domains:
+  description:
+List of phandle and PM domain specifier as documented in
+Documentation/devicetree/bindings/power/power_domain.txt
+  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 
+#include 
+
+gpu@1300 {
+   compatible = "mediatek,mt8192-mali", "arm,mali-valhall";
+   reg = <0x1300 0x4000>;
+   interrupts =
+   ,
+   ,
+   ;
+   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_table0 {
+  compatible = "operating-points-v2";
+  opp-shared;
+
+  opp-35800 {
+  opp-hz = /bits/ 64 <35800>;
+  opp-hz-real = /bits/ 64 <35800>,
+/bits/ 64 <35800>;
+  opp-microvolt = <606250>,
+  <75>;
+  };
+
+  opp-39900 {
+  opp-hz = /bits/ 64 <39900>;
+  opp-hz-real = /bits/ 64 <39900>,
+/bits/ 64 <39900>;
+  opp-microvolt = <618750>,
+  <75>;
+  };
+
+  opp-44000 {
+  opp-hz = /bits/ 64 <44000>;
+  opp-hz-real = /bits/ 64 <44000>,
+/bits/ 64 <44000>;
+  opp-microvolt = <631250>,
+  <75>;
+  };
+
+  opp-48200 {
+  opp-hz = /bits/ 64 <48200>;
+  opp-hz-real = /bits/ 64 <48200>,
+/bits/ 64 <48200>;
+  opp-microvolt = <643750>,
+  <75>;
+  };
+
+  opp-52300 {
+  opp-hz = /bits/ 64 <52300>;
+  opp-hz-real = /bits/ 64 <52300>,
+/bits/ 64 <52300>;
+  opp-microvolt = <656250>,
+  <75>;
+  };
+
+  opp-56400 {
+  opp-hz = /bits/ 64 <56400>;
+  opp-hz-real = /bits/ 64 <56400>,
+/bits/ 64 <56400>;
+  opp-microvolt = <668750>,
+  <75>;
+  };
+
+  opp-60500 {
+  opp-hz = /bits/ 64 <60500>;
+  opp-hz-real = /bits/ 64 <60500>,
+/bits/ 64 <60500>;
+