[PATCH v5 5/6] dt/bindings: rockchip: modify document of Rockchip power domains
From: Elaine Zhang <hidden>
Date: 2016-03-03 08:10:15
Also in:
linux-rockchip, lkml
Subsystem:
open firmware and flattened device tree bindings, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2016-03-09 · Re: [PATCH v5 5/6] dt/bindings: rockchip: modify document of Rockchip power domains · Elaine Zhang <hidden>
- 2016-03-08 · Re: [PATCH v5 5/6] dt/bindings: rockchip: modify document of Rockchip power domains · Caesar Wang <hidden>
- 2016-03-03 · [PATCH v5 5/6] dt/bindings: rockchip: modify document of Rockchip power domains · Elaine Zhang <hidden>
Add binding documentation for the power domains found on Rockchip RK3399 SoCs. RK3399 pd on/off not need to enable clk which in this pd. So remove the clocks in the rk3399 pd example. Signed-off-by: Elaine Zhang <redacted> --- .../bindings/soc/rockchip/power_domain.txt | 37 ++++++++++++++++++++++ 1 file changed, 37 insertions(+)
diff --git a/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt b/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt
index 13dc6a3..98085c8 100644
--- a/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt
+++ b/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt@@ -7,6 +7,7 @@ Required properties for power domain controller: - compatible: Should be one of the following. "rockchip,rk3288-power-controller" - for RK3288 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.
@@ -16,6 +17,7 @@ Required properties for power domain sub nodes: - reg: index of the power domain, should use macros in: "include/dt-bindings/power/rk3288-power.h" - for RK3288 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.
@@ -45,12 +47,41 @@ Example: }; }; +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/rk3288-power.h" - for rk3288 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:
@@ -65,3 +96,9 @@ Example of the node using power domain: power-domains = <&power RK3368_PD_GPU_1>; /* ... */ }; + + node { + /* ... */ + power-domains = <&power RK3399_PD_VOPB>; + /* ... */ + };
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1.9.1