| Message ID | 20210324032308.6309-3-zhangqing@rock-chips.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | soc: rockchip: power-domain: add rk3568 powerdomains | expand |
On 3/24/21 4:23 AM, Elaine Zhang wrote: > Convert the soc/rockchip/power_domain.txt binding document to > json-schema and move to the power bindings directory. > Add RK3568 SoCs for rockchip power binding document. > > Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> > Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com> > --- > .../power/rockchip,power-controller.yaml | 286 ++++++++++++++++++ > .../bindings/soc/rockchip/power_domain.txt | 136 --------- > 2 files changed, 286 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..0d6b8962d098 > --- /dev/null > +++ b/Documentation/devicetree/bindings/power/rockchip,power-controller.yaml > @@ -0,0 +1,286 @@ > +# SPDX-License-Identifier: GPL-2.0-only > +%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@rock-chips.com> > + - Rob Herring <robh+dt@kernel.org> > + - Heiko Stuebner <heiko@sntech.de> > + > +description: | > + Rockchip processors include support for multiple power domains which can be > + powered up/down by software based on different application scenes to save power. scenes > scenarios ?? This is not a theater. ===== Scenes: 1. Something seen by a viewer; a view or prospect. 2. The place where an action or event occurs: the scene of the crime. ===== Scenarios: 1. An expected or supposed situation or sequence of events > + > + 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: > + $nodename: > + const: power-controller > + > + compatible: > + enum: > + - rockchip,px30-power-controller > + - rockchip,rk3036-power-controller > + - rockchip,rk3066-power-controller > + - rockchip,rk3128-power-controller > + - rockchip,rk3188-power-controller > + - rockchip,rk3228-power-controller > + - rockchip,rk3288-power-controller > + - rockchip,rk3328-power-controller > + - rockchip,rk3366-power-controller > + - rockchip,rk3368-power-controller > + - rockchip,rk3399-power-controller > + - rockchip,rk3568-power-controller Use separate patches for a YAML conversion and adding new compatibility strings. One action per patch. > + > + '#power-domain-cells': > + const: 1 > + > + '#address-cells': > + const: 1 > + > + '#size-cells': > + const: 0 > + > +patternProperties: > + "^pd_[0-9a-z_]{2,10}@[0-9a-f]+$": Here you are using "", but elsewhere in this document '' is used. Change all to "". > + 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: remove ":" > + "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" > + "include/dt-bindings/power/rk3399-power.h" rk3399 > rk3568 "include/dt-bindings/power/rk3568-power.h" Use separate patches for a YAML conversion and adding new compatibility strings. One action per patch. > + > + 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: > + "^pd_[0-9a-z_]{2,10}@[0-9a-f]+$": > + type: object > + description: | > + Represents a power domain child within a power domain parent node. > + > + properties: > + > + '#power-domain-cells': > + description: > + Must be 0 for nodes representing a single PM domain and 1 for nodes > + providing multiple PM domains. > + > + '#address-cells': > + const: 1 > + > + '#size-cells': > + const: 0 > + > + reg: > + maxItems: 1 > + > + clocks: > + description: | > + A number of phandles to clocks that need to be enabled while power domain > + switches state. > + > + pm_qos: > + description: | > + A number of phandles to qos blocks which need to be saved and restored > + while power domain switches state. > + > + patternProperties: > + "^pd_[0-9a-z_]{2,10}@[0-9a-f]+$": > + 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 */ > + pd_iep@RK3399_PD_IEP { > + reg = <RK3399_PD_IEP>; > + clocks = <&cru ACLK_IEP>, > + <&cru HCLK_IEP>; > + pm_qos = <&qos_iep>; > + #power-domain-cells = <0>; > + }; > + pd_rga@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>; > + }; > + pd_vcodec@RK3399_PD_VCODEC { > + reg = <RK3399_PD_VCODEC>; > + clocks = <&cru ACLK_VCODEC>, > + <&cru HCLK_VCODEC>; > + pm_qos = <&qos_video_m0>; > + #power-domain-cells = <0>; > + }; > + pd_vdu@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>; > + }; > + pd_vio@RK3399_PD_VIO { > + reg = <RK3399_PD_VIO>; > + #power-domain-cells = <1>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + pd_hdcp@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>; > - /* ... */ > - }; >
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..0d6b8962d098 --- /dev/null +++ b/Documentation/devicetree/bindings/power/rockchip,power-controller.yaml @@ -0,0 +1,286 @@ +# SPDX-License-Identifier: GPL-2.0-only +%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@rock-chips.com> + - Rob Herring <robh+dt@kernel.org> + - Heiko Stuebner <heiko@sntech.de> + +description: | + Rockchip processors include support for multiple power domains which can be + powered up/down by software based on different application scenes 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: + $nodename: + const: power-controller + + compatible: + enum: + - rockchip,px30-power-controller + - rockchip,rk3036-power-controller + - rockchip,rk3066-power-controller + - rockchip,rk3128-power-controller + - rockchip,rk3188-power-controller + - rockchip,rk3228-power-controller + - rockchip,rk3288-power-controller + - rockchip,rk3328-power-controller + - rockchip,rk3366-power-controller + - rockchip,rk3368-power-controller + - rockchip,rk3399-power-controller + - rockchip,rk3568-power-controller + + '#power-domain-cells': + const: 1 + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + +patternProperties: + "^pd_[0-9a-z_]{2,10}@[0-9a-f]+$": + 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" + "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: + "^pd_[0-9a-z_]{2,10}@[0-9a-f]+$": + type: object + description: | + Represents a power domain child within a power domain parent node. + + properties: + + '#power-domain-cells': + description: + Must be 0 for nodes representing a single PM domain and 1 for nodes + providing multiple PM domains. + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + reg: + maxItems: 1 + + clocks: + description: | + A number of phandles to clocks that need to be enabled while power domain + switches state. + + pm_qos: + description: | + A number of phandles to qos blocks which need to be saved and restored + while power domain switches state. + + patternProperties: + "^pd_[0-9a-z_]{2,10}@[0-9a-f]+$": + 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 */ + pd_iep@RK3399_PD_IEP { + reg = <RK3399_PD_IEP>; + clocks = <&cru ACLK_IEP>, + <&cru HCLK_IEP>; + pm_qos = <&qos_iep>; + #power-domain-cells = <0>; + }; + pd_rga@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>; + }; + pd_vcodec@RK3399_PD_VCODEC { + reg = <RK3399_PD_VCODEC>; + clocks = <&cru ACLK_VCODEC>, + <&cru HCLK_VCODEC>; + pm_qos = <&qos_video_m0>; + #power-domain-cells = <0>; + }; + pd_vdu@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>; + }; + pd_vio@RK3399_PD_VIO { + reg = <RK3399_PD_VIO>; + #power-domain-cells = <1>; + #address-cells = <1>; + #size-cells = <0>; + + pd_hdcp@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>; - /* ... */ - };