ARM: dts: imx6sx: add pu power domain support

Add PU power domain support, GPU is the only
module inside PU power domain, and PU power
is supplied by LDO_SOC.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Acked-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi
index fd7879342d0d50252fae6a98c077f2bcb96a8a60..42ef4c6590f374e37eb5bdd22430960584c3d249 100644 (file)
--- a/arch/arm/boot/dts/imx6sx.dtsi
+++ b/arch/arm/boot/dts/imx6sx.dtsi
@@ -188,6 +188,7 @@
                                 <&clks IMX6SX_CLK_GPU>,
                                 <&clks IMX6SX_CLK_GPU>;
                        clock-names = "bus", "core", "shader";
+                       power-domains = <&pd_pu>;
                };
 
                dma_apbh: dma-apbh@1804000 {
@@ -767,6 +768,13 @@
                                        #address-cells = <1>;
                                        #size-cells = <0>;
 
+                                       pd_pu: power-domain@1 {
+                                               reg = <1>;
+                                               #power-domain-cells = <0>;
+                                               power-supply = <&reg_soc>;
+                                               clocks = <&clks IMX6SX_CLK_GPU>;
+                                       };
+
                                        pd_pci: power-domain@3 {
                                                reg = <3>;
                                                #power-domain-cells = <0>;