[PATCH v3 2/5] dt-bindings: display: rockchip: document VOP gamma LUT address

Ezequiel Garcia ezequiel at collabora.com
Mon Sep 30 22:27:59 UTC 2019

Add the register specifier description for an
optional gamma LUT address.

Signed-off-by: Ezequiel Garcia <ezequiel at collabora.com>
Reviewed-by: Douglas Anderson <dianders at chromium.org>
Reviewed-by: Rob Herring <robh at kernel.org>
Changes from v2:
* None.
Changes from v1:
* Drop reg-names, suggested by Doug.
 .../devicetree/bindings/display/rockchip/rockchip-vop.txt   | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt
index 4f58c5a2d195..8b3a5f514205 100644
--- a/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt
@@ -20,6 +20,10 @@ Required properties:
+- reg: Must contain one entry corresponding to the base address and length
+	of the register space. Can optionally contain a second entry
+	corresponding to the CRTC gamma LUT address.
 - 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.
@@ -48,7 +52,7 @@ Example:
 SoC specific DT entry:
 	vopb: vopb at ff930000 {
 		compatible = "rockchip,rk3288-vop";
-		reg = <0xff930000 0x19c>;
+		reg = <0x0 0xff930000 0x0 0x19c>, <0x0 0xff931000 0x0 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";

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