linux-kernel - Re: [PATCH 06/10] arm64: dts: imx8mp-skov: describe LVDS display pipeline

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Message-ID: <1b5236db-9a2c-475c-825c-3feae22ea32e@pengutronix.de>
Date: Thu, 19 Dec 2024 18:45:24 +0100
From: Ahmad Fatoum <a.fatoum@...gutronix.de>
To: Frank Li <Frank.li@....com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
 Sascha Hauer <s.hauer@...gutronix.de>,
 Pengutronix Kernel Team <kernel@...gutronix.de>,
 Fabio Estevam <festevam@...il.com>, Oleksij Rempel
 <o.rempel@...gutronix.de>, devicetree@...r.kernel.org, imx@...ts.linux.dev,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 06/10] arm64: dts: imx8mp-skov: describe LVDS display
 pipeline

On 19.12.24 18:37, Frank Li wrote:
> On Thu, Dec 19, 2024 at 08:25:30AM +0100, Ahmad Fatoum wrote:
>> From: Oleksij Rempel <o.rempel@...gutronix.de>
>>
>> The Skov i.MX8MP LT6 device tree so far described the touch screen, but
>> didn't describe the screen itself. Fill out these missing pieces.
> 
> Add "ti,sn65lvds822" touch screen description for i.MX8MP LT6 board.

This is not what this patch does. Touch screen was already described
and now the remainder is being added, just like what my message said.

Thanks,
Ahmad

> 
> Frank
> 
>> Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
>> Signed-off-by: Ahmad Fatoum <a.fatoum@...gutronix.de>
>> ---
>>  .../boot/dts/freescale/imx8mp-skov-revb-lt6.dts    | 60 ++++++++++++++++++++++
>>  1 file changed, 60 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-skov-revb-lt6.dts b/arch/arm64/boot/dts/freescale/imx8mp-skov-revb-lt6.dts
>> index ccbd3abedd69..baecf768a2ee 100644
>> --- a/arch/arm64/boot/dts/freescale/imx8mp-skov-revb-lt6.dts
>> +++ b/arch/arm64/boot/dts/freescale/imx8mp-skov-revb-lt6.dts
>> @@ -8,6 +8,45 @@ / {
>>  	model = "SKOV IMX8MP CPU revB - LT6";
>>  	compatible = "skov,imx8mp-skov-revb-lt6", "fsl,imx8mp";
>>
>> +	lvds-decoder {
>> +		compatible = "ti,sn65lvds822", "lvds-decoder";
>> +		power-supply = <&reg_3v3>;
>> +
>> +		ports {
>> +			#address-cells = <1>;
>> +			#size-cells = <0>;
>> +
>> +			port@0 {
>> +				reg = <0>;
>> +
>> +				in_lvds1: endpoint {
>> +					data-mapping = "vesa-24";
>> +					remote-endpoint = <&ldb_lvds_ch1>;
>> +				};
>> +			};
>> +
>> +			port@1 {
>> +				reg = <1>;
>> +
>> +				lvds_decoder_out: endpoint {
>> +					remote-endpoint = <&panel_in>;
>> +				};
>> +			};
>> +		};
>> +	};
>> +
>> +	panel {
>> +		compatible = "logictechno,lttd800480070-l6wh-rt";
>> +		backlight = <&backlight>;
>> +		power-supply = <&reg_tft_vcom>;
>> +
>> +		port {
>> +			panel_in: endpoint {
>> +				remote-endpoint = <&lvds_decoder_out>;
>> +			};
>> +		};
>> +	};
>> +
>>  	touchscreen {
>>  		compatible = "resistive-adc-touch";
>>  		io-channels = <&adc_ts 1>, <&adc_ts 3>, <&adc_ts 4>, <&adc_ts 5>;
>> @@ -78,6 +117,27 @@ channel@5 {
>>  	};
>>  };
>>
>> +&lcdif2 {
>> +	status = "okay";
>> +};
>> +
>> +&lvds_bridge {
>> +	assigned-clocks = <&clk IMX8MP_CLK_MEDIA_LDB>,
>> +				 <&clk IMX8MP_VIDEO_PLL1>;
>> +	assigned-clock-parents = <&clk IMX8MP_VIDEO_PLL1_OUT>;
>> +	/* IMX8MP_VIDEO_PLL1 = IMX8MP_CLK_MEDIA_DISP2_PIX * 2 * 7 */
>> +	assigned-clock-rates = <0>, <462000000>;
>> +	status = "okay";
>> +
>> +	ports {
>> +		port@2 {
>> +			ldb_lvds_ch1: endpoint {
>> +				remote-endpoint = <&in_lvds1>;
>> +			};
>> +		};
>> +	};
>> +};
>> +
>>  &pwm1 {
>>  	status = "okay";
>>  };
>>
>> --
>> 2.39.5
>>
> 


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