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authorChen-Yu Tsai <wens@csie.org>2017-10-10 11:20:03 +0800
committerMaxime Ripard <maxime.ripard@free-electrons.com>2017-10-11 09:53:25 +0200
commit68a48afa6540f0bd193167f91283915ca8a4225e (patch)
treeac24d8be5e93a4e330d03509e3fd4495a82349a5 /Documentation/devicetree/bindings/display/sunxi
parentdrm/sun4i: hdmi: Allow using second PLL as TMDS clk parent (diff)
downloadlinux-dev-68a48afa6540f0bd193167f91283915ca8a4225e.tar.xz
linux-dev-68a48afa6540f0bd193167f91283915ca8a4225e.zip
dt-bindings: display: sun4i: Add binding for A31 HDMI controller
The HDMI controller in the A31 SoC is slightly different from the earlier version. In addition to the TMDS clock and DDC controls, this version now takes a second DDC clock input. Add a compatible string for it, and add the DDC clock input to the list of clocks required. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Link: https://patchwork.freedesktop.org/patch/msgid/20171010032008.682-7-wens@csie.org
Diffstat (limited to 'Documentation/devicetree/bindings/display/sunxi')
-rw-r--r--Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
index 92441086caba..46df3b78ae9e 100644
--- a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
+++ b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
@@ -41,14 +41,17 @@ CEC. It is one end of the pipeline.
Required properties:
- compatible: value must be one of:
* allwinner,sun5i-a10s-hdmi
+ * allwinner,sun6i-a31-hdmi
- reg: base address and size of memory-mapped region
- interrupts: interrupt associated to this IP
- clocks: phandles to the clocks feeding the HDMI encoder
* ahb: the HDMI interface clock
* mod: the HDMI module clock
+ * ddc: the HDMI ddc clock (A31 only)
* pll-0: the first video PLL
* pll-1: the second video PLL
- clock-names: the clock names mentioned above
+ - resets: phandle to the reset control for the HDMI encoder (A31 only)
- dmas: phandles to the DMA channels used by the HDMI encoder
* ddc-tx: The channel for DDC transmission
* ddc-rx: The channel for DDC reception