dt-bindings: rockchip: vop: add gamma_table range

Change-Id: Iafbff319d33c9436963572e05911ccfe676a4852
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>

diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt
index 11fa3b0805cde27310a661c4e9d7d71dc5507b52..af440f2f7fd944c6193759e538204971b9b08e76 100644 (file)
--- a/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt
@@ -15,6 +15,12 @@ Required properties:
                "rockchip,rk322x-vop";
                "rockchip,rk3328-vop";
 
+- reg: there are two register region can configure for the device:
+  - first region: (Required) Base address and size of the controllers
+  - second region: (Optinal) Address and length of the gamma table,
+                   take care of this register's length, driver would use
+                   register's length to decide gamma table size.
+
 - interrupts: should contain a list of all VOP IP block interrupts in the
                 order: VSYNC, LCD_SYSTEM. The interrupt specifier
                 format depends on the interrupt controller used.
@@ -43,7 +49,7 @@ Example:
 SoC specific DT entry:
        vopb: vopb@ff930000 {
                compatible = "rockchip,rk3288-vop";
-               reg = <0xff930000 0x19c>;
+               reg = <0xff930000 0x19c>, <0xff931000 0x1000>;
                interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
                clocks = <&cru ACLK_VOP0>, <&cru DCLK_VOP0>, <&cru HCLK_VOP0>;
                clock-names = "aclk_vop", "dclk_vop", "hclk_vop";