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6e887c950c
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. Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
161 lines
2.9 KiB
Text
161 lines
2.9 KiB
Text
// SPDX-License-Identifier: (GPL-2.0 OR MIT)
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/dts-v1/;
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#include "imx8mp-skov-reva.dtsi"
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/ {
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model = "SKOV IMX8MP CPU revB - LT6";
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compatible = "skov,imx8mp-skov-revb-lt6", "fsl,imx8mp";
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lvds-decoder {
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compatible = "ti,sn65lvds822", "lvds-decoder";
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power-supply = <®_3v3>;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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reg = <0>;
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in_lvds1: endpoint {
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data-mapping = "vesa-24";
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remote-endpoint = <&ldb_lvds_ch1>;
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};
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};
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port@1 {
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reg = <1>;
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lvds_decoder_out: endpoint {
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remote-endpoint = <&panel_in>;
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};
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};
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};
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};
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panel {
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compatible = "logictechno,lttd800480070-l6wh-rt";
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backlight = <&backlight>;
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power-supply = <®_tft_vcom>;
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port {
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panel_in: endpoint {
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remote-endpoint = <&lvds_decoder_out>;
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};
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};
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};
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touchscreen {
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compatible = "resistive-adc-touch";
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io-channels = <&adc_ts 1>, <&adc_ts 3>, <&adc_ts 4>, <&adc_ts 5>;
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io-channel-names = "y", "z1", "z2", "x";
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touchscreen-min-pressure = <65000>;
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touchscreen-inverted-y;
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touchscreen-swapped-x-y;
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touchscreen-x-plate-ohms = <300>;
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};
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};
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®_tft_vcom {
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regulator-min-microvolt = <3600000>;
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regulator-max-microvolt = <3600000>;
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voltage-table = <3600000 26>;
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status = "okay";
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};
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&pwm4 {
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status = "okay";
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};
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&backlight {
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status = "okay";
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};
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&ecspi1 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_ecspi1>;
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cs-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>;
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status = "okay";
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adc_ts: adc@0 {
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compatible = "ti,tsc2046e-adc";
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reg = <0>;
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pinctrl-0 = <&pinctrl_touch>;
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pinctrl-names ="default";
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spi-max-frequency = <1000000>;
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interrupts-extended = <&gpio4 25 IRQ_TYPE_LEVEL_LOW>;
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#io-channel-cells = <1>;
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#address-cells = <1>;
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#size-cells = <0>;
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channel@1 {
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reg = <1>;
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settling-time-us = <700>;
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oversampling-ratio = <5>;
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};
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channel@3 {
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reg = <3>;
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settling-time-us = <700>;
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oversampling-ratio = <5>;
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};
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channel@4 {
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reg = <4>;
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settling-time-us = <700>;
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oversampling-ratio = <5>;
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};
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channel@5 {
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reg = <5>;
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settling-time-us = <700>;
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oversampling-ratio = <5>;
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};
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};
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};
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&lcdif2 {
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status = "okay";
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};
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&lvds_bridge {
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assigned-clocks = <&clk IMX8MP_CLK_MEDIA_LDB>,
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<&clk IMX8MP_VIDEO_PLL1>;
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assigned-clock-parents = <&clk IMX8MP_VIDEO_PLL1_OUT>;
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/* IMX8MP_VIDEO_PLL1 = IMX8MP_CLK_MEDIA_DISP2_PIX * 2 * 7 */
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assigned-clock-rates = <0>, <462000000>;
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status = "okay";
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ports {
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port@2 {
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ldb_lvds_ch1: endpoint {
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remote-endpoint = <&in_lvds1>;
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};
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};
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};
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};
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&pwm1 {
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status = "okay";
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};
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&iomuxc {
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pinctrl_ecspi1: ecspi1grp {
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fsl,pins = <
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MX8MP_IOMUXC_ECSPI1_SCLK__ECSPI1_SCLK 0x44
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MX8MP_IOMUXC_ECSPI1_MOSI__ECSPI1_MOSI 0x44
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MX8MP_IOMUXC_ECSPI1_MISO__ECSPI1_MISO 0x44
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MX8MP_IOMUXC_ECSPI1_SS0__GPIO5_IO09 0x40
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>;
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};
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pinctrl_touch: touchgrp {
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fsl,pins = <
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/* external pull up */
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MX8MP_IOMUXC_SAI2_TXC__GPIO4_IO25 0x40
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>;
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};
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};
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