From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- .../bindings/display/armada/marvell,dove-lcd.txt | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/armada/marvell,dove-lcd.txt (limited to 'Documentation/devicetree/bindings/display/armada/marvell,dove-lcd.txt') diff --git a/Documentation/devicetree/bindings/display/armada/marvell,dove-lcd.txt b/Documentation/devicetree/bindings/display/armada/marvell,dove-lcd.txt new file mode 100644 index 000000000..46525ea3e --- /dev/null +++ b/Documentation/devicetree/bindings/display/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"; + }; -- cgit v1.2.3