arm: dts: rockchip: add grf reference for vop

add grf reference for rk3288,rk3368,px30 vop

Change-Id: I89b620b2df45f83bdfc36dd64168107beee9b9fb
Signed-off-by: Sandy Huang <hjc@rock-chips.com>

Author: sandy-huang

arch/arm/boot/dts/rk3288.dtsi

@@ -1256,6 +1256,7 @@
 
 	vopb: vop@ff930000 {
 		compatible = "rockchip,rk3288-vop-big";
+		rockchip,grf = <&grf>;
 		reg = <0x0 0xff930000 0x0 0x19c>, <0x0 0xff931000 0x0 0x1000>;
 		reg-names = "regs", "gamma_lut";
 		interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
@@ -1312,6 +1313,7 @@
 
 	vopl: vop@ff940000 {
 		compatible = "rockchip,rk3288-vop-lit";
+		rockchip,grf = <&grf>;
 		reg = <0x0 0xff940000 0x0 0x19c>, <0x0 0xff941000 0x0 0x1000>;
 		reg-names = "regs", "gamma_lut";
 		interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;

arch/arm64/boot/dts/rockchip/px30.dtsi

@@ -1285,6 +1285,7 @@
 	vopb: vop@ff460000 {
 		compatible = "rockchip,px30-vop-big";
 		reg = <0x0 0xff460000 0x0 0x1fc>, <0x0 0xff460a00 0x0 0x400>;
+		rockchip,grf = <&grf>;
 		reg-names = "regs", "gamma_lut";
 		interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&cru ACLK_VOPB>, <&cru DCLK_VOPB>,
@@ -1330,6 +1331,7 @@
 	vopl: vop@ff470000 {
 		compatible = "rockchip,px30-vop-lit";
 		reg = <0x0 0xff470000 0x0 0x1fc>, <0x0 0xff470a00 0x0 0x400>;
+		rockchip,grf = <&grf>;
 		reg-names = "regs", "gamma_lut";
 		interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&cru ACLK_VOPL>, <&cru DCLK_VOPL>,

arch/arm64/boot/dts/rockchip/rk3368.dtsi

@@ -1381,6 +1381,7 @@
 
 	vop: vop@ff930000 {
 		compatible = "rockchip,rk3368-vop";
+		rockchip,grf = <&grf>;
 		reg = <0x0 0xff930000 0x0 0x2fc>, <0x0 0xff931000 0x0 0x400>;
 		reg-names = "regs", "gamma_lut";
 		interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;