[PATCH RFC 12/15] dt-bindings: add Marvell Dove LCD controller documentation
From: Russell King <hidden>
Date: 2014-07-05 10:38:53
Also in:
dri-devel, linux-arm-kernel
Subsystem:
open firmware and flattened device tree bindings, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Add the Marvell Dove LCD controller DT binding documentation. The clock names used here are intentionally taken from the specification for the Dove SoC. Signed-off-by: Russell King <rmk+kernel-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org> --- .../bindings/drm/armada/marvell,dove-lcd.txt | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 Documentation/devicetree/bindings/drm/armada/marvell,dove-lcd.txt
diff --git a/Documentation/devicetree/bindings/drm/armada/marvell,dove-lcd.txt b/Documentation/devicetree/bindings/drm/armada/marvell,dove-lcd.txt
new file mode 100644
index 000000000000..46525ea3e646
--- /dev/null
+++ b/Documentation/devicetree/bindings/drm/armada/marvell,dove-lcd.txt@@ -0,0 +1,30 @@ +Device Tree bindings for Armada DRM CRTC driver + +Required properties: + - compatible: value should be "marvell,dove-lcd". + - reg: base address and size of the LCD controller + - interrupts: single interrupt number for the LCD controller + - port: video output port with endpoints, as described by graph.txt + +Optional properties: + + - clocks: as described by clock-bindings.txt + - clock-names: as described by clock-bindings.txt + "axiclk" - axi bus clock for pixel clock + "plldivider" - pll divider clock for pixel clock + "ext_ref_clk0" - external clock 0 for pixel clock + "ext_ref_clk1" - external clock 1 for pixel clock + +Note: all clocks are optional but at least one must be specified. +Further clocks may be added in the future according to requirements of +different SoCs. + +Example: + + lcd0: lcd-controller@820000 { + compatible = "marvell,dove-lcd"; + reg = <0x820000 0x1000>; + interrupts = <47>; + clocks = <&si5351 0>; + clock-names = "ext_ref_clk_1"; + };
--
1.8.3.1
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