linux-kernel - Re: [PATCH v2 4/4] arm64: dts: renesas: eagle: Enable HDMI output

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Date:   Tue, 10 Apr 2018 15:39:26 +0300
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Jacopo Mondi <jacopo+renesas@...ndi.org>
Cc:     horms@...ge.net.au, magnus.damm@...il.com, geert@...ux-m68k.org,
        niklas.soderlund@...natech.se, sergei.shtylyov@...entembedded.com,
        linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Niklas Söderlund 
        <niklas.soderlund+renesas@...natech.se>
Subject: Re: [PATCH v2 4/4] arm64: dts: renesas: eagle: Enable HDMI output

Hi Jacopo,

Thank you for the patch.

On Tuesday, 10 April 2018 13:54:06 EEST Jacopo Mondi wrote:
> Enable HDMI output on Renesas R-Car V3M Eagle board.
> 
> The HDMI output is enabled connecting the DU LVDS output to the
> transparent LVDS converter THC63LVD1024, and successively routing its
> RGB output to the ADV7511W HDMI encoder.
> 
> Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@...natech.se>
> Signed-off-by: Jacopo Mondi <jacopo+renesas@...ndi.org>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
> [for THC63LVD1024: ]
> Reviewed-by: Andrzej Hajda <a.hajda@...sung.com>
> 
> ---
> v1 -> v2:
> - Squash patches [5/7], [6/7] and [7/7] of v1 in a single patch as
>   suggested by Laurent
> - Remove DU pinmuxing as it is used for DU parallel RGB output only used
>   by Eagle's display expander board not enabled by this series.
> ---
>  arch/arm64/boot/dts/renesas/r8a77970-eagle.dts | 93 +++++++++++++++++++++++
>  1 file changed, 93 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
> b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts index 3c5f598..1e2191d
> 100644
> --- a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
> +++ b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
> @@ -31,6 +31,51 @@
>  		/* first 128MB is reserved for secure area. */
>  		reg = <0x0 0x48000000 0x0 0x38000000>;
>  	};
> +
> +	hdmi-out {
> +		compatible = "hdmi-connector";
> +		type = "a";
> +
> +		port {
> +			hdmi_con_out: endpoint {
> +				remote-endpoint = <&adv7511_out>;
> +			};
> +		};
> +	};
> +
> +	d3p3: regulator-fixed {
> +		compatible = "regulator-fixed";
> +		regulator-name = "fixed-3.3V";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		regulator-boot-on;
> +		regulator-always-on;
> +	};
> +
> +	thc63lvd1024: lvds-decoder {

Nitpicking, no need for a label, you never reference it.

Apart from that, you can keep my Reviewed-by.

> +		compatible = "thine,thc63lvd1024";
> +
> +		vcc-supply = <&d3p3>;
> +
> +		ports {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			port@0 {
> +				reg = <0>;
> +				thc63lvd1024_in: endpoint {
> +					remote-endpoint = <&lvds0_out>;
> +				};
> +			};
> +
> +			port@2 {
> +				reg = <2>;
> +				thc63lvd1024_out: endpoint {
> +					remote-endpoint = <&adv7511_in>;
> +				};
> +			};
> +		};
> +	};
>  };
> 
>  &avb {
> @@ -68,6 +113,38 @@
>  		gpio-controller;
>  		#gpio-cells = <2>;
>  	};
> +
> +	hdmi@39 {
> +		compatible = "adi,adv7511w";
> +		reg = <0x39>;
> +		interrupt-parent = <&gpio1>;
> +		interrupts = <20 IRQ_TYPE_LEVEL_LOW>;
> +
> +		adi,input-depth = <8>;
> +		adi,input-colorspace = "rgb";
> +		adi,input-clock = "1x";
> +		adi,input-style = <1>;
> +		adi,input-justification = "evenly";
> +
> +		ports {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			port@0 {
> +				reg = <0>;
> +				adv7511_in: endpoint {
> +					remote-endpoint = <&thc63lvd1024_out>;
> +				};
> +			};
> +
> +			port@1 {
> +				reg = <1>;
> +				adv7511_out: endpoint {
> +					remote-endpoint = <&hdmi_con_out>;
> +				};
> +			};
> +		};
> +	};
>  };
> 
>  &pfc {
> @@ -93,3 +170,19 @@
> 
>  	status = "okay";
>  };
> +
> +&du {
> +	status = "okay";
> +};
> +
> +&lvds0 {
> +	status = "okay";
> +
> +	ports {
> +		port@1 {
> +			lvds0_out: endpoint {
> +				remote-endpoint = <&thc63lvd1024_in>;
> +			};
> +		};
> +	};
> +};

-- 
Regards,

Laurent Pinchart