[PATCH 1/3] dt-bindings: display: rockchip: document VOP gamma LUT address

Ezequiel Garcia
2019-06-18T21:43:20Z

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

Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
---
.../bindings/display/rockchip/rockchip-vop.txt | 10 +++++++++-
1 file changed, 9 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..97ad78cc7e03 100644
--- a/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt
@@ -20,6 +20,13 @@ Required properties:
"rockchip,rk3228-vop";
"rockchip,rk3328-vop";

+- 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.
+
+- reg-names: "base" for the base register space. If present, the CRTC
+ gamma LUT name should be "lut".
+
- 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 +55,8 @@ Example:
SoC specific DT entry:
vopb: vopb@ff930000 {
compatible = "rockchip,rk3288-vop";
- reg = <0xff930000 0x19c>;
+ reg = <0x0 0xff930000 0x0 0x19c>, <0x0 0xff931000 0x0 0x1000>;
+ reg-names = "base", "lut";
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";
--
2.20.1