[PATCH 1/2] dt-bindings: Document the VC4 DSI module nodes.
Rob Herring
robh+dt at kernel.org
Fri Jan 27 22:34:18 UTC 2017
Need to cc DT list if you want it in my queue.
On Mon, Jan 23, 2017 at 6:38 PM, Eric Anholt <eric at anholt.net> wrote:
> These are part of the vc4 display pipeline.
>
> Signed-off-by: Eric Anholt <eric at anholt.net>
> ---
> .../devicetree/bindings/display/brcm,bcm-vc4.txt | 35 ++++++++++++++++++++++
> 1 file changed, 35 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt b/Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt
> index e2768703ac2b..34c7fddcea39 100644
> --- a/Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt
> +++ b/Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt
> @@ -56,6 +56,18 @@ Required properties for V3D:
> - interrupts: The interrupt number
> See bindings/interrupt-controller/brcm,bcm2835-armctrl-ic.txt
>
> +Required properties for DSI:
> +- compatible: Should be "brcm,bcm2835-dsi0" or "brcm,bcm2835-dsi1"
Are the blocks different?
> +- reg: Physical base address and length of the DSI block's registers
> +- interrupts: The interrupt number
> + See bindings/interrupt-controller/brcm,bcm2835-armctrl-ic.txt
> +- clocks: a) phy: The DSI PLL clock feeding the DSI analog PHY
> + b) escape: The DSI ESC clock from CPRMAN
> + c) pixel: The DSI pixel clock from CPRMAN
> +- clock-output-names:
> + The 3 clocks output from the DSI analog PHY: dsi[01]_byte,
> + dsi[01]_ddr2, and dsi[01]_ddr
> +
> [1] Documentation/devicetree/bindings/media/video-interfaces.txt
>
> Example:
> @@ -99,6 +111,29 @@ dpi: dpi at 7e208000 {
> };
> };
>
> +dsi1: dsi at 7e700000 {
> + compatible = "brcm,bcm2835-dsi1";
> + reg = <0x7e700000 0x8c>;
> + interrupts = <2 12>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + #clock-cells = <1>;
> +
> + clocks = <&clocks BCM2835_PLLD_DSI1>,
> + <&clocks BCM2835_CLOCK_DSI1E>,
> + <&clocks BCM2835_CLOCK_DSI1P>;
> + clock-names = "phy", "escape", "pixel";
> +
> + clock-output-names = "dsi1_byte", "dsi1_ddr2", "dsi1_ddr";
> +
> + pitouchscreen: panel at 0 {
> + compatible = "raspberrypi,touchscreen";
> + reg = <0>;
> +
> + <...>
> + };
> +};
> +
> vec: vec at 7e806000 {
> compatible = "brcm,bcm2835-vec";
> reg = <0x7e806000 0x1000>;
> --
> 2.11.0
>
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