From cd4b298334ebc7b7bd0384c6c81de398c983c6e3 Mon Sep 17 00:00:00 2001 From: Shawn Guo Date: Thu, 6 Apr 2017 23:01:09 +0800 Subject: [PATCH] dt-bindings: display: add support for ZTE VGA device It adds bindings doc for ZTE VOU VGA output device. Signed-off-by: Shawn Guo Acked-by: Rob Herring Link: http://patchwork.freedesktop.org/patch/msgid/1491490870-6330-4-git-send-email-shawnguo@kernel.org --- .../devicetree/bindings/display/zte,vou.txt | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/Documentation/devicetree/bindings/display/zte,vou.txt b/Documentation/devicetree/bindings/display/zte,vou.txt index 9c35628..3847647 100644 --- a/Documentation/devicetree/bindings/display/zte,vou.txt +++ b/Documentation/devicetree/bindings/display/zte,vou.txt @@ -58,6 +58,18 @@ Required properties: integer cells. The first cell is the offset of SYSCTRL register used to control TV Encoder DAC power, and the second cell is the bit mask. +* VGA output device + +Required properties: + - compatible: should be "zte,zx296718-vga" + - reg: Physical base address and length of the VGA device IO region + - interrupts : VGA interrupt number to CPU + - clocks: Phandle with clock-specifier pointing to VGA I2C clock. + - clock-names: Must be "i2c_wclk". + - zte,vga-power-control: the phandle to SYSCTRL block followed by two + integer cells. The first cell is the offset of SYSCTRL register used + to control VGA DAC power, and the second cell is the bit mask. + Example: vou: vou@1440000 { @@ -81,6 +93,15 @@ vou: vou@1440000 { "main_wclk", "aux_wclk"; }; + vga: vga@8000 { + compatible = "zte,zx296718-vga"; + reg = <0x8000 0x1000>; + interrupts = ; + clocks = <&topcrm VGA_I2C_WCLK>; + clock-names = "i2c_wclk"; + zte,vga-power-control = <&sysctrl 0x170 0xe0>; + }; + hdmi: hdmi@c000 { compatible = "zte,zx296718-hdmi"; reg = <0xc000 0x4000>; -- 2.7.4