[PATCH v5 03/10] dt-bindings: display: Add STM32 LTDC driver
From: Yannick Fertre <hidden>
Date: 2017-03-28 09:44:46
Also in:
dri-devel, linux-devicetree
Subsystem:
drm drivers, drm drivers and misc gpu patches, open firmware and flattened device tree bindings, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
This patch adds documentation of device tree bindings for the STM32 LTDC (Lcd-Tft Display Controller). Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Yannick Fertre <redacted> --- .../devicetree/bindings/display/st,stm32-ltdc.txt | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/st,stm32-ltdc.txt
diff --git a/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt b/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt
new file mode 100644
index 0000000..8e14769
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt@@ -0,0 +1,36 @@ +* STMicroelectronics STM32 lcd-tft display controller + +- ltdc: lcd-tft display controller host + must be a sub-node of st-display-subsystem + Required properties: + - compatible: "st,stm32-ltdc" + - reg: Physical base address of the IP registers and length of memory mapped region. + - clocks: A list of phandle + clock-specifier pairs, one for each + entry in 'clock-names'. + - clock-names: A list of clock names. For ltdc it should contain: + - "lcd" for the clock feeding the output pixel clock & IP clock. + - resets: reset to be used by the device (defined by use of RCC macro). + Required nodes: + - Video port for RGB output. + +Example: + +/ { + ... + soc { + ... + ltdc: display-controller at 40016800 { + compatible = "st,stm32-ltdc"; + reg = <0x40016800 0x200>; + interrupts = <88>, <89>; + resets = <&rcc STM32F4_APB2_RESET(LTDC)>; + clocks = <&rcc 1 CLK_LCD>; + clock-names = "lcd"; + + port { + ltdc_out_rgb: endpoint { + }; + }; + }; + }; +};
--
1.9.1