[RFC PATCH 11/13] arm64: tegra: Add SOR power-domain node

Add node for SOR power-domain for Tegra210 and populate the SOR power-domain phandle for SOR and DPAUX nodes that are dependent on this power-domain.

Please note that although neither the SOR or DPAUX drivers currently support runtime power-management, by populating the power-domain node the SOR power-domain will be turned on before probing SOR or DPAUX devices and kept on while the devices are bound.

Signed-off-by: Jon Hunter jonathanh@nvidia.com --- arch/arm64/boot/dts/nvidia/tegra210.dtsi | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi index ebf44f4059f8..94f780b43037 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi @@ -34,6 +34,7 @@ clock-names = "dpaux", "parent"; resets = <&tegra_car 207>; reset-names = "dpaux"; + power-domains = <&pd_sor>; status = "disabled"; };

@@ -154,6 +155,7 @@ clock-names = "sor", "parent", "dp", "safe"; resets = <&tegra_car 182>; reset-names = "sor"; + power-domains = <&pd_sor>; status = "disabled"; };

@@ -168,6 +170,7 @@ clock-names = "sor", "parent", "dp", "safe"; resets = <&tegra_car 183>; reset-names = "sor"; + power-domains = <&pd_sor>; status = "disabled"; };

@@ -180,6 +183,7 @@ clock-names = "dpaux", "parent"; resets = <&tegra_car 181>; reset-names = "dpaux"; + power-domains = <&pd_sor>; status = "disabled"; };

@@ -592,6 +596,20 @@ resets = <&tegra_car 198>; #power-domain-cells = <0>; }; + + pd_sor: sor { + clocks = <&tegra_car TEGRA210_CLK_SOR0>, + <&tegra_car TEGRA210_CLK_DSIA>, + <&tegra_car TEGRA210_CLK_DSIB>, + <&tegra_car TEGRA210_CLK_MIPI_CAL>, + <&tegra_car TEGRA210_CLK_DPAUX>; + resets = <&tegra_car TEGRA210_CLK_SOR0>, + <&tegra_car TEGRA210_CLK_DSIA>, + <&tegra_car TEGRA210_CLK_DSIB>, + <&tegra_car TEGRA210_CLK_DPAUX>, + <&tegra_car TEGRA210_CLK_MIPI_CAL>; + #power-domain-cells = <0>; + }; }; };