linux-kernel - Re: [PATCH 7/9] arm64: allwinner: a64: enable ANX6345 bridge on Pinebook

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Date:   Thu, 18 Oct 2018 08:17:35 -0700
From:   Vasily Khoruzhick <anarsoul@...il.com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     Icenowy Zheng <icenowy@...c.io>, David Airlie <airlied@...ux.ie>,
        Rob Herring <robh+dt@...nel.org>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Archit Taneja <architt@...eaurora.org>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, linux-sunxi@...glegroups.com
Subject: Re: [PATCH 7/9] arm64: allwinner: a64: enable ANX6345 bridge on Pinebook

Hi Icenowy,

On Thursday, October 18, 2018 12:33:25 AM PDT Icenowy Zheng wrote:
> Pinebook has an ANX6345 bridge connected to the RGB666 LCD output, and
> the I2C controlling signals are connected to R_I2C bus.
> 
> Enable it in the device tree, and add a usable EDID from the panel's
> datasheet (at least 14" Pinebook used a panel without EDID).

There's no EDID in dts and 14" Pinebook uses a panel with EDID. Is it leftover 
of old comment?

Regards,
Vasily

> 
> Signed-off-by: Icenowy Zheng <icenowy@...c.io>
> ---
>  .../dts/allwinner/sun50i-a64-pinebook.dts     | 43 +++++++++++++++++++
>  1 file changed, 43 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts
> b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts index
> 77fac84797e9..d7c14d0d61f9 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts
> @@ -66,6 +66,10 @@
>  	};
>  };
> 
> +&de {
> +	status = "okay";
> +};
> +
>  &ehci0 {
>  	phys = <&usbphy 0>;
>  	phy-names = "usb";
> @@ -76,6 +80,10 @@
>  	status = "okay";
>  };
> 
> +&mixer0 {
> +	status = "okay";
> +};
> +
>  &mmc0 {
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&mmc0_pins>;
> @@ -127,6 +135,27 @@
>  	status = "okay";
>  };
> 
> +&r_i2c {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&r_i2c_pins_a>;
> +	status = "okay";
> +
> +	anx6345: anx6345@38 {
> +		compatible = "analogix,anx6345";
> +		reg = <0x38>;
> +		reset-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */
> +		panel-supply = <&reg_dc1sw>;
> +		dvdd25-supply = <&reg_dldo2>;
> +		dvdd12-supply = <&reg_fldo1>;
> +
> +		port {
> +			anx6345_in: endpoint {
> +				remote-endpoint = <&tcon0_out_anx6345>;
> +			};
> +		};
> +	};
> +};
> +
>  &r_rsb {
>  	status = "okay";
> 
> @@ -267,6 +296,20 @@
>  	vcc-hdmi-supply = <&reg_dldo1>;
>  };
> 
> +&tcon0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&lcd_rgb666_pins>;
> +
> +	status = "okay";
> +};
> +
> +&tcon0_out {
> +	tcon0_out_anx6345: endpoint@0 {
> +		reg = <0>;
> +		remote-endpoint = <&anx6345_in>;
> +	};
> +};
> +
>  &uart0 {
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&uart0_pb_pins>;