linux-kernel - Re: [linux-sunxi] [PATCH 08/10] ARM: dts: sun4i: Enable HDMI support on some A10 devices

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Date:   Tue, 17 Oct 2017 22:38:45 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Chen-Yu Tsai <wens@...e.org>
Cc:     Maxime Ripard <maxime.ripard@...e-electrons.com>,
        David Airlie <airlied@...ux.ie>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-sunxi <linux-sunxi@...glegroups.com>
Subject: Re: [linux-sunxi] [PATCH 08/10] ARM: dts: sun4i: Enable HDMI support
 on some A10 devices

On Tue, Oct 17, 2017 at 8:18 PM, Chen-Yu Tsai <wens@...e.org> wrote:
> Various A10-based development boards have standard HDMI connectors
> wired to the dedicated HDMI pins on the SoC.
>
> Enable the display pipeline and HDMI output on boards I have or have
> access to schematics:
>
>   - Cubieboard
>   - Olimex A10-OLinuXino-LIME
>
> Signed-off-by: Chen-Yu Tsai <wens@...e.org>
> ---
>
> Can someone could double check the LIME for me? It should work given
> it's the same layout as the A20 variant, which has been tested.
>
> ---
>  arch/arm/boot/dts/sun4i-a10-cubieboard.dts     | 25 +++++++++++++++++++++++++
>  arch/arm/boot/dts/sun4i-a10-olinuxino-lime.dts | 21 +++++++++++++++++++++
>  2 files changed, 46 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun4i-a10-cubieboard.dts b/arch/arm/boot/dts/sun4i-a10-cubieboard.dts
> index d5ba5400a975..1982c8c238c5 100644
> --- a/arch/arm/boot/dts/sun4i-a10-cubieboard.dts
> +++ b/arch/arm/boot/dts/sun4i-a10-cubieboard.dts
> @@ -59,6 +59,17 @@
>                 stdout-path = "serial0:115200n8";
>         };
>
> +       hdmi-connector {
> +               compatible = "hdmi-connector";
> +               type = "a";
> +
> +               port {
> +                       hdmi_con_in: endpoint {
> +                               remote-endpoint = <&hdmi_out_con>;
> +                       };
> +               };
> +       };
> +
>         leds {
>                 compatible = "gpio-leds";
>                 pinctrl-names = "default";
> @@ -90,6 +101,10 @@
>         cpu-supply = <&reg_dcdc2>;
>  };
>
> +&de {
> +       status = "okay";
> +};
> +
>  &ehci0 {
>         status = "okay";
>  };
> @@ -107,6 +122,16 @@
>         status = "okay";
>  };
>
> +&hdmi {
> +       status = "okay";
> +};
> +
> +&hdmi_out {
> +       hdmi_out_con: endpoint {
> +               remote-endpoint = <&hdmi_con_in>;
> +       };
> +};
> +
>  &i2c0 {
>         status = "okay";
>
> diff --git a/arch/arm/boot/dts/sun4i-a10-olinuxino-lime.dts b/arch/arm/boot/dts/sun4i-a10-olinuxino-lime.dts
> index 2d1b4329f54a..e39ec9beef75 100644
> --- a/arch/arm/boot/dts/sun4i-a10-olinuxino-lime.dts
> +++ b/arch/arm/boot/dts/sun4i-a10-olinuxino-lime.dts
> @@ -58,6 +58,17 @@
>                 stdout-path = "serial0:115200n8";
>         };
>
> +       hdmi-connector {
> +               compatible = "hdmi-connector";
> +               type = "a";
> +
> +               port {
> +                       hdmi_con_in: endpoint {
> +                               remote-endpoint = <&hdmi_out_con>;
> +                       };
> +               };
> +       };
> +
>         leds {
>                 compatible = "gpio-leds";
>                 pinctrl-names = "default";
> @@ -106,6 +117,16 @@
>         status = "okay";
>  };

The LIME's dts change is missing the &de part. :(
I can fix this when applying.

ChenYu

>
> +&hdmi {
> +       status = "okay";
> +};
> +
> +&hdmi_out {
> +       hdmi_out_con: endpoint {
> +               remote-endpoint = <&hdmi_con_in>;
> +       };
> +};
> +
>  &i2c0 {
>         status = "okay";
>
> --
> 2.14.2
>
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