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

Ahmad Fatoum a.fatoum at pengutronix.de
Thu Dec 19 09:45:24 PST 2024


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 at pengutronix.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 at pengutronix.de>
>> Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.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 at 0 {
>> +				reg = <0>;
>> +
>> +				in_lvds1: endpoint {
>> +					data-mapping = "vesa-24";
>> +					remote-endpoint = <&ldb_lvds_ch1>;
>> +				};
>> +			};
>> +
>> +			port at 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 at 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 at 2 {
>> +			ldb_lvds_ch1: endpoint {
>> +				remote-endpoint = <&in_lvds1>;
>> +			};
>> +		};
>> +	};
>> +};
>> +
>>  &pwm1 {
>>  	status = "okay";
>>  };
>>
>> --
>> 2.39.5
>>
> 


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