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dt-bindings: display: add support for ZTE VGA device

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It adds bindings doc for ZTE VOU VGA output device.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1491490870-6330-4-git-send-email-shawnguo@kernel.org
This commit is contained in:
Shawn Guo 2017-04-06 23:01:09 +08:00
parent 9e42b263e8
commit cd4b298334
1 changed files with 21 additions and 0 deletions
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21
Documentation/devicetree/bindings/display/zte,vou.txt
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@ -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 = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
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>;