[PATCH v5 5/5] ARM: exynos: dts: Add FIMD DT binding Documentation
From: Vikas Sajjan <hidden>
Date: 2013-02-27 08:43:40
Also in:
linux-samsung-soc
Subsystem:
open firmware and flattened device tree bindings, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Adds FIMD DT binding documentation both SoC and Board, with an example Signed-off-by: Vikas Sajjan <redacted> --- .../devicetree/bindings/video/exynos-fimd.txt | 46 ++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/video/exynos-fimd.txt
diff --git a/Documentation/devicetree/bindings/video/exynos-fimd.txt b/Documentation/devicetree/bindings/video/exynos-fimd.txt
new file mode 100644
index 0000000..b3542b9
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/exynos-fimd.txt@@ -0,0 +1,46 @@ +Device-Tree bindings for Exynos SoC display controller (FIMD) + +FIMD stands for Fully Interactive Mobile Display, is the Display Controller for +the Exynos series of SoCs which transfers the image data from a video buffer +located in the system memory to an external LCD interface. + +Required properties: +- compatible := value can be one these below + "samsung,s3c2443-fimd"; /* for S3C24XX SoCs */ + "samsung,s3c6400-fimd"; /* for S3C64XX SoCs */ + "samsung,s5p6440-fimd"; /* for S5P64X0 SoCs */ + "samsung,s5pc100-fimd"; /* for S5PC100 SoC */ + "samsung,s5pv210-fimd"; /* for S5PV210 SoC */ + "samsung,exynos4210-fimd"; /* for Exynos4 SoCs */ + "samsung,exynos5250-fimd"; /* for Exynos5 SoCs */ +- reg := physical base address of the fimd and length of memory mapped region +- interrupt-parent := reference to the interrupt combiner node with phandle +- interrupts := interrupt number from the combiner to the cpu + we have 3 interrupts and the Interrupt combiner order is + FIFO Level, VSYNC and LCD_SYSTEM. Make sure to mention order + as VSYNC, FIFO Level and LCD_SYSTEM as show in the example below. +- pinctrl := property defining the pinctrl configurations with a phandle +- pinctrl-names := name of the pinctrl + +Optional Properties: +- samsung,power-domain := power domain property defined with a phandle + +Example: + +SoC specific DT Entry: + + fimd@11c00000 { + compatible = "samsung,exynos4210-fimd"; + interrupt-parent = <&combiner>; + reg = <0x11c00000 0x20000>; + interrupts = <11 1>, <11 0>, <11 2>; + }; + +Board specific DT Entry: + + fimd@11c00000 { + samsung,power-domain = <&pd_lcd0>; + pinctrl-0 = <&lcd_sync &lcd_clk &lcd_en &lcd0_data &pwm1_out>; + pinctrl-names = "default"; + status = "okay"; + };
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1.7.9.5