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dt-bindings: add binding for rk3328 power domains

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Add binding documentation for the power domains
found on Rockchip RK3328 SoCs.
But RK3328 SoC just support idle, not support pd.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Elaine Zhang 2016-12-23 11:47:51 +08:00 committed by Heiko Stuebner
parent 170d04c3f7
commit 825681c869
1 changed files with 3 additions and 0 deletions
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Documentation/devicetree/bindings/soc/rockchip/power_domain.txt
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@ -6,6 +6,7 @@ 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,rk3288-power-controller" - for RK3288 SoCs.
"rockchip,rk3328-power-controller" - for RK3328 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.
@ -16,6 +17,7 @@ Required properties for power domain controller:
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/rk3328-power.h" - for RK3328 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
@ -90,6 +92,7 @@ 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/rk3328-power.h" - for rk3328 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.