On Fri, Feb 10, 2017 at 04:24:28PM +0100, Yannick Fertre wrote:
> Signed-off-by: Yannick Fertre <yannick.fertre@xxxxxx>
> ---
> .../devicetree/bindings/display/st,stm32-ltdc.txt | 37 ++++++++++++++++++++++
> 1 file changed, 37 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..b93e1c8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt
> @@ -0,0 +1,37 @@
> +* 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"
Kind of generic. There's only one version for all stm32 parts?
> + - 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:
> + - "clk-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: stm32-ltdc@40016800 {
display-controller@...
> + compatible = "st,stm32-ltdc";
> + reg = <0x40016800 0x200>;
> + interrupts = <88>, <89>;
> + resets = <&rcc STM32F4_APB2_RESET(LTDC)>;
> + clocks = <&rcc 1 CLK_LCD>;
> + clock-names = "lcd";
> + status = "disabled";
Don't need to show status in examples.
> +
> + port {
> + ltdc_out_rgb: endpoint {
> + };
> + };
> + };
> + };
> +};
> --
> 1.9.1
>
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