Re: [PATCH v5 3/7] drm: sunxi: add DE2 HDMI support

Rob Herring
2016-10-30T20:41:09Z

On Fri, Oct 21, 2016 at 10:08:06AM +0200, Jean-Francois Moine wrote:
> This patch adds a HDMI driver to the DE2 based Allwinner's SoCs
> as A83T and H3.
> Audio and video are supported.
>
> Signed-off-by: Jean-Francois Moine <moinejf-GANU6spQydw@public.gmane.org>
> ---
> .../devicetree/bindings/display/sunxi/hdmi.txt | 52 ++
> drivers/gpu/drm/sunxi/Kconfig | 8 +
> drivers/gpu/drm/sunxi/Makefile | 2 +
> drivers/gpu/drm/sunxi/de2_hdmi.c | 396 +++++++++
> drivers/gpu/drm/sunxi/de2_hdmi.h | 40 +
> drivers/gpu/drm/sunxi/de2_hdmi_io.c | 927 +++++++++++++++++++++
> drivers/gpu/drm/sunxi/de2_hdmi_io.h | 25 +
> 7 files changed, 1450 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/display/sunxi/hdmi.txt
> create mode 100644 drivers/gpu/drm/sunxi/de2_hdmi.c
> create mode 100644 drivers/gpu/drm/sunxi/de2_hdmi.h
> create mode 100644 drivers/gpu/drm/sunxi/de2_hdmi_io.c
> create mode 100644 drivers/gpu/drm/sunxi/de2_hdmi_io.h
>
> diff --git a/Documentation/devicetree/bindings/display/sunxi/hdmi.txt b/Documentation/devicetree/bindings/display/sunxi/hdmi.txt
> new file mode 100644
> index 0000000..0558c07
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/sunxi/hdmi.txt
> @@ -0,0 +1,52 @@
> +Allwinner HDMI Transmitter
> +==========================
> +
> +The Allwinner HDMI transmitters are included in the SoCs.
> +They support audio and video.
> +
> +Required properties:
> + - #address-cells : should be <1>
> + - #size-cells : should be <0>
> + - compatible : should be
> + "allwinner,sun8i-a83t-hdmi" or
> + "allwinner,sun8i-h3-hdmi"
> + - clocks : phandles to the HDMI clocks as described in
> + Documentation/devicetree/bindings/clock/clock-bindings.txt
> + - clock-names : must be
> + "gate" : bus gate
> + "clock" : streaming clock
> + "ddc-clock" : DDC clock
> + - resets : One or two phandles to the HDMI resets
> + - reset-names : must be
> + "hdmi0" and "hdmi1"
> +
> +Required nodes:
> + - port: Audio and video input port nodes with endpoint definitions
> + as defined in Documentation/devicetree/bindings/graph.txt.

Please define which port number is audio and which is video.

Rob
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