Re: [PATCH v6 09/11] dt-bindings: power: rockchip: Convert to json-schema

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Hi Elaine,

You've changed the license ones again.
Could someone advise about GPL2.0 and legal stuff here?

On 3/26/21 11:30 AM, Elaine Zhang wrote:
> Convert the soc/rockchip/power_domain.txt binding document to
> json-schema and move to the power bindings directory.
> 
> Signed-off-by: Elaine Zhang <zhangqing@xxxxxxxxxxxxxx>

> From: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx>
Is this the correct position for that?

> Link:https://patchwork.kernel.org/project/linux-rockchip/patch/20210225102643.653095-1-enric.balletbo@xxxxxxxxxxxxx/

Normally the original author of a patch should be honored with help of
this command below:

git commit --amend --author="Enric Balletbo i Serra
<enric.balletbo@xxxxxxxxxxxxx>"

This places a "From: ...." on top of the commit message.

But this is still a conversion/restyle to YAML.
Meanwhile various other authors in the past have made
contributions/comments to this document as well that was GPL2.0 only at
the time.

(I'm just saying: Claiming to be the only author sounds a bit strange here)

Johan

> ---
>  .../power/rockchip,power-controller.yaml      | 291 ++++++++++++++++++
>  .../bindings/soc/rockchip/power_domain.txt    | 136 --------
>  2 files changed, 291 insertions(+), 136 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/power/rockchip,power-controller.yaml
>  delete mode 100644 Documentation/devicetree/bindings/soc/rockchip/power_domain.txt
> 
> diff --git a/Documentation/devicetree/bindings/power/rockchip,power-controller.yaml b/Documentation/devicetree/bindings/power/rockchip,power-controller.yaml
> new file mode 100644
> index 000000000000..9fec9e227432
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/rockchip,power-controller.yaml
> @@ -0,0 +1,291 @@

> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause

This is a conversion of an excising document.
When distributing derived works, the source code of the work must be
made available under the same license.

> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/power/rockchip,power-controller.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Rockchip Power Domains
> +
> +maintainers:
> +  - Elaine Zhang <zhangqing@xxxxxxxxxxxxxx>
> +  - Heiko Stuebner <heiko@xxxxxxxxx>
> +
> +description: |
> +  Rockchip processors include support for multiple power domains which can be
> +  powered up/down by software based on different application scenarios to save power.
> +
> +  Power domains contained within power-controller node are generic power domain
> +  providers documented in Documentation/devicetree/bindings/power/power-domain.yaml.
> +
> +  IP cores belonging to a power domain should contain a "power-domains"
> +  property that is a phandle for the power domain node representing the domain.
> +
> +properties:
> +  $nodename:
> +    const: power-controller
> +
> +  compatible:
> +    enum:
> +      - rockchip,px30-power-controller
> +      - rockchip,rk3036-power-controller
> +      - rockchip,rk3066-power-controller
> +      - rockchip,rk3128-power-controller
> +      - rockchip,rk3188-power-controller
> +      - rockchip,rk3228-power-controller
> +      - rockchip,rk3288-power-controller
> +      - rockchip,rk3328-power-controller
> +      - rockchip,rk3366-power-controller
> +      - rockchip,rk3368-power-controller
> +      - rockchip,rk3399-power-controller
> +
> +  "#power-domain-cells":
> +    const: 1
> +
> +  "#address-cells":
> +    const: 1
> +
> +  "#size-cells":
> +    const: 0
> +
> +  clocks: true
> +
> +  assigned-clocks:
> +    minItems: 1
> +
> +  assigned-clock-parents:
> +    minItems: 1
> +
> +patternProperties:
> +  "^power-domain@[0-9a-f]+$":
> +    type: object
> +    description: |
> +      Represents the power domains within the power controller node as documented
> +      in Documentation/devicetree/bindings/power/power-domain.yaml.
> +
> +    properties:
> +
> +      "#power-domain-cells":
> +        description:
> +          Must be 0 for nodes representing a single PM domain and 1 for nodes
> +          providing multiple PM domains.
> +
> +      "#address-cells":
> +        const: 1
> +
> +      "#size-cells":
> +        const: 0
> +
> +      reg:
> +        maxItems: 1
> +        description: |
> +          Power domain index. Valid values are defined in
> +          "include/dt-bindings/power/px30-power.h"
> +          "include/dt-bindings/power/rk3036-power.h"
> +          "include/dt-bindings/power/rk3066-power.h"
> +          "include/dt-bindings/power/rk3128-power.h"
> +          "include/dt-bindings/power/rk3188-power.h"
> +          "include/dt-bindings/power/rk3228-power.h"
> +          "include/dt-bindings/power/rk3288-power.h"
> +          "include/dt-bindings/power/rk3328-power.h"
> +          "include/dt-bindings/power/rk3366-power.h"
> +          "include/dt-bindings/power/rk3368-power.h"
> +          "include/dt-bindings/power/rk3399-power.h"
> +
> +      clocks:
> +        description: |
> +          A number of phandles to clocks that need to be enabled while power domain
> +          switches state.
> +
> +      pm_qos:
> +        description: |
> +          A number of phandles to qos blocks which need to be saved and restored
> +          while power domain switches state.
> +
> +    patternProperties:
> +      "^power-domain@[0-9a-f]+$":
> +        type: object
> +        description: |
> +          Represents a power domain child within a power domain parent node.
> +
> +        properties:
> +
> +          "#power-domain-cells":
> +            description:
> +              Must be 0 for nodes representing a single PM domain and 1 for nodes
> +              providing multiple PM domains.
> +
> +          "#address-cells":
> +            const: 1
> +
> +          "#size-cells":
> +            const: 0
> +
> +          reg:
> +            maxItems: 1
> +
> +          clocks:
> +            description: |
> +              A number of phandles to clocks that need to be enabled while power domain
> +              switches state.
> +
> +          pm_qos:
> +            description: |
> +              A number of phandles to qos blocks which need to be saved and restored
> +              while power domain switches state.
> +
> +        patternProperties:
> +          "^power-domain@[0-9a-f]+$":
> +            type: object
> +            description: |
> +              Represents a power domain child within a power domain parent node.
> +
> +            properties:
> +
> +              "#power-domain-cells":
> +                description:
> +                  Must be 0 for nodes representing a single PM domain and 1 for nodes
> +                  providing multiple PM domains.
> +
> +              "#address-cells":
> +                const: 1
> +
> +              "#size-cells":
> +                const: 0
> +
> +              reg:
> +                maxItems: 1
> +
> +              clocks:
> +                description: |
> +                  A number of phandles to clocks that need to be enabled while power domain
> +                  switches state.
> +
> +              pm_qos:
> +                description: |
> +                  A number of phandles to qos blocks which need to be saved and restored
> +                  while power domain switches state.
> +
> +            required:
> +              - reg
> +
> +            additionalProperties: false
> +
> +        required:
> +          - reg
> +
> +        additionalProperties: false
> +
> +    required:
> +      - reg
> +
> +    additionalProperties: false
> +
> +required:
> +  - compatible
> +  - "#power-domain-cells"
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/rk3399-cru.h>
> +    #include <dt-bindings/power/rk3399-power.h>
> +
> +    soc {
> +        #address-cells = <2>;
> +        #size-cells = <2>;
> +
> +        qos_hdcp: qos@ffa90000 {
> +            compatible = "rockchip,rk3399-qos", "syscon";
> +            reg = <0x0 0xffa90000 0x0 0x20>;
> +        };
> +
> +        qos_iep: qos@ffa98000 {
> +            compatible = "rockchip,rk3399-qos", "syscon";
> +            reg = <0x0 0xffa98000 0x0 0x20>;
> +        };
> +
> +        qos_rga_r: qos@ffab0000 {
> +            compatible = "rockchip,rk3399-qos", "syscon";
> +            reg = <0x0 0xffab0000 0x0 0x20>;
> +        };
> +
> +        qos_rga_w: qos@ffab0080 {
> +            compatible = "rockchip,rk3399-qos", "syscon";
> +            reg = <0x0 0xffab0080 0x0 0x20>;
> +        };
> +
> +        qos_video_m0: qos@ffab8000 {
> +            compatible = "rockchip,rk3399-qos", "syscon";
> +            reg = <0x0 0xffab8000 0x0 0x20>;
> +        };
> +
> +        qos_video_m1_r: qos@ffac0000 {
> +            compatible = "rockchip,rk3399-qos", "syscon";
> +            reg = <0x0 0xffac0000 0x0 0x20>;
> +        };
> +
> +        qos_video_m1_w: qos@ffac0080 {
> +            compatible = "rockchip,rk3399-qos", "syscon";
> +            reg = <0x0 0xffac0080 0x0 0x20>;
> +        };
> +
> +        power-management@ff310000 {
> +            compatible = "rockchip,rk3399-pmu", "syscon", "simple-mfd";
> +            reg = <0x0 0xff310000 0x0 0x1000>;
> +
> +            power-controller {
> +                compatible = "rockchip,rk3399-power-controller";
> +                #power-domain-cells = <1>;
> +                #address-cells = <1>;
> +                #size-cells = <0>;
> +
> +                /* These power domains are grouped by VD_CENTER */
> +                 power-domain@RK3399_PD_IEP {
> +                    reg = <RK3399_PD_IEP>;
> +                    clocks = <&cru ACLK_IEP>,
> +                             <&cru HCLK_IEP>;
> +                    pm_qos = <&qos_iep>;
> +                    #power-domain-cells = <0>;
> +                };
> +                 power-domain@RK3399_PD_RGA {
> +                    reg = <RK3399_PD_RGA>;
> +                    clocks = <&cru ACLK_RGA>,
> +                             <&cru HCLK_RGA>;
> +                    pm_qos = <&qos_rga_r>,
> +                             <&qos_rga_w>;
> +                    #power-domain-cells = <0>;
> +                };
> +                 power-domain@RK3399_PD_VCODEC {
> +                    reg = <RK3399_PD_VCODEC>;
> +                    clocks = <&cru ACLK_VCODEC>,
> +                             <&cru HCLK_VCODEC>;
> +                    pm_qos = <&qos_video_m0>;
> +                    #power-domain-cells = <0>;
> +                };
> +                 power-domain@RK3399_PD_VDU {
> +                    reg = <RK3399_PD_VDU>;
> +                    clocks = <&cru ACLK_VDU>,
> +                             <&cru HCLK_VDU>;
> +                    pm_qos = <&qos_video_m1_r>,
> +                             <&qos_video_m1_w>;
> +                    #power-domain-cells = <0>;
> +                };
> +                 power-domain@RK3399_PD_VIO {
> +                    reg = <RK3399_PD_VIO>;
> +                    #power-domain-cells = <1>;
> +                    #address-cells = <1>;
> +                    #size-cells = <0>;
> +
> +                     power-domain@RK3399_PD_HDCP {
> +                        reg = <RK3399_PD_HDCP>;
> +                        clocks = <&cru ACLK_HDCP>,
> +                                 <&cru HCLK_HDCP>,
> +                                 <&cru PCLK_HDCP>;
> +                        pm_qos = <&qos_hdcp>;
> +                        #power-domain-cells = <0>;
> +                    };
> +                };
> +            };
> +        };
> +    };
> diff --git a/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt b/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt
> deleted file mode 100644
> index 8304eceb62e4..000000000000
> --- a/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt
> +++ /dev/null
> @@ -1,136 +0,0 @@
> -* Rockchip Power Domains
> -
> -Rockchip processors include support for multiple power domains which can be
> -powered up/down by software based on different application scenes to save power.
> -
> -Required properties for power domain controller:
> -- compatible: Should be one of the following.
> -	"rockchip,px30-power-controller" - for PX30 SoCs.
> -	"rockchip,rk3036-power-controller" - for RK3036 SoCs.
> -	"rockchip,rk3066-power-controller" - for RK3066 SoCs.
> -	"rockchip,rk3128-power-controller" - for RK3128 SoCs.
> -	"rockchip,rk3188-power-controller" - for RK3188 SoCs.
> -	"rockchip,rk3228-power-controller" - for RK3228 SoCs.
> -	"rockchip,rk3288-power-controller" - for RK3288 SoCs.
> -	"rockchip,rk3328-power-controller" - for RK3328 SoCs.
> -	"rockchip,rk3366-power-controller" - for RK3366 SoCs.
> -	"rockchip,rk3368-power-controller" - for RK3368 SoCs.
> -	"rockchip,rk3399-power-controller" - for RK3399 SoCs.
> -- #power-domain-cells: Number of cells in a power-domain specifier.
> -	Should be 1 for multiple PM domains.
> -- #address-cells: Should be 1.
> -- #size-cells: Should be 0.
> -
> -Required properties for power domain sub nodes:
> -- reg: index of the power domain, should use macros in:
> -	"include/dt-bindings/power/px30-power.h" - for PX30 type power domain.
> -	"include/dt-bindings/power/rk3036-power.h" - for RK3036 type power domain.
> -	"include/dt-bindings/power/rk3066-power.h" - for RK3066 type power domain.
> -	"include/dt-bindings/power/rk3128-power.h" - for RK3128 type power domain.
> -	"include/dt-bindings/power/rk3188-power.h" - for RK3188 type power domain.
> -	"include/dt-bindings/power/rk3228-power.h" - for RK3228 type power domain.
> -	"include/dt-bindings/power/rk3288-power.h" - for RK3288 type power domain.
> -	"include/dt-bindings/power/rk3328-power.h" - for RK3328 type power domain.
> -	"include/dt-bindings/power/rk3366-power.h" - for RK3366 type power domain.
> -	"include/dt-bindings/power/rk3368-power.h" - for RK3368 type power domain.
> -	"include/dt-bindings/power/rk3399-power.h" - for RK3399 type power domain.
> -- clocks (optional): phandles to clocks which need to be enabled while power domain
> -	switches state.
> -- pm_qos (optional): phandles to qos blocks which need to be saved and restored
> -	while power domain switches state.
> -
> -Qos Example:
> -
> -	qos_gpu: qos_gpu@ffaf0000 {
> -		compatible ="syscon";
> -		reg = <0x0 0xffaf0000 0x0 0x20>;
> -	};
> -
> -Example:
> -
> -	power: power-controller {
> -		compatible = "rockchip,rk3288-power-controller";
> -		#power-domain-cells = <1>;
> -		#address-cells = <1>;
> -		#size-cells = <0>;
> -
> -		pd_gpu {
> -			reg = <RK3288_PD_GPU>;
> -			clocks = <&cru ACLK_GPU>;
> -			pm_qos = <&qos_gpu>;
> -		};
> -	};
> -
> -	 power: power-controller {
> -                compatible = "rockchip,rk3368-power-controller";
> -                #power-domain-cells = <1>;
> -                #address-cells = <1>;
> -                #size-cells = <0>;
> -
> -                pd_gpu_1 {
> -                        reg = <RK3368_PD_GPU_1>;
> -                        clocks = <&cru ACLK_GPU_CFG>;
> -                };
> -        };
> -
> -Example 2:
> -		power: power-controller {
> -			compatible = "rockchip,rk3399-power-controller";
> -			#power-domain-cells = <1>;
> -			#address-cells = <1>;
> -			#size-cells = <0>;
> -
> -			pd_vio {
> -				#address-cells = <1>;
> -				#size-cells = <0>;
> -				reg = <RK3399_PD_VIO>;
> -
> -				pd_vo {
> -					#address-cells = <1>;
> -					#size-cells = <0>;
> -					reg = <RK3399_PD_VO>;
> -
> -					pd_vopb {
> -						reg = <RK3399_PD_VOPB>;
> -					};
> -
> -					pd_vopl {
> -						reg = <RK3399_PD_VOPL>;
> -					};
> -				};
> -			};
> -		};
> -
> -Node of a device using power domains must have a power-domains property,
> -containing a phandle to the power device node and an index specifying which
> -power domain to use.
> -The index should use macros in:
> -	"include/dt-bindings/power/px30-power.h" - for px30 type power domain.
> -	"include/dt-bindings/power/rk3036-power.h" - for rk3036 type power domain.
> -	"include/dt-bindings/power/rk3128-power.h" - for rk3128 type power domain.
> -	"include/dt-bindings/power/rk3128-power.h" - for rk3228 type power domain.
> -	"include/dt-bindings/power/rk3288-power.h" - for rk3288 type power domain.
> -	"include/dt-bindings/power/rk3328-power.h" - for rk3328 type power domain.
> -	"include/dt-bindings/power/rk3366-power.h" - for rk3366 type power domain.
> -	"include/dt-bindings/power/rk3368-power.h" - for rk3368 type power domain.
> -	"include/dt-bindings/power/rk3399-power.h" - for rk3399 type power domain.
> -
> -Example of the node using power domain:
> -
> -	node {
> -		/* ... */
> -		power-domains = <&power RK3288_PD_GPU>;
> -		/* ... */
> -	};
> -
> -	node {
> -                /* ... */
> -                power-domains = <&power RK3368_PD_GPU_1>;
> -                /* ... */
> -        };
> -
> -	node {
> -		/* ... */
> -		power-domains = <&power RK3399_PD_VOPB>;
> -		/* ... */
> -	};
> 




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