MX8-DLVDS-LCD1 display module integrates a KOE TX26D202VM0BWA LCD panel
and a touch IC. Add an overlay to support the LCD panel on i.MX8qxp
MEK. mipi_lvds_0_ldb channel0 and mipi_lvds_1_ldb channel1 send odd
and even pixels to the panel respectively.
Signed-off-by: Liu Ying <victor.liu@xxxxxxx>
---
v7:
* No change.
v6:
* No change.
v5:
* No change.
v4:
* No change.
v3:
* No change.
v2:
* New patch. (Francesco)
arch/arm64/boot/dts/freescale/Makefile | 4 +
.../imx8qxp-mek-mx8-dlvds-lcd1-lvds0-odd.dtso | 183 ++++++++++++++++++
arch/arm64/boot/dts/freescale/imx8qxp-mek.dts | 30 +++
3 files changed, 217 insertions(+)
create mode 100644 arch/arm64/boot/dts/freescale/imx8qxp-mek-mx8-dlvds-lcd1-lvds0-odd.dtso
diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 839432153cc7..408240b0002b 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -267,6 +267,10 @@ dtb-$(CONFIG_ARCH_MXC) += imx8qxp-colibri-eval-v3.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8qxp-colibri-iris.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8qxp-colibri-iris-v2.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8qxp-mek.dtb
+
+imx8qxp-mek-mx8-dlvds-lcd1-lvds0-odd-dtbs += imx8qxp-mek.dtb imx8qxp-mek-mx8-dlvds-lcd1-lvds0-odd.dtbo
+dtb-$(CONFIG_ARCH_MXC) += imx8qxp-mek-mx8-dlvds-lcd1-lvds0-odd.dtb
+
dtb-$(CONFIG_ARCH_MXC) += imx8qxp-tqma8xqp-mba8xx.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8ulp-evk.dtb
dtb-$(CONFIG_ARCH_MXC) += imx93-9x9-qsb.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-mek-mx8-dlvds-lcd1-lvds0-odd.dtso b/arch/arm64/boot/dts/freescale/imx8qxp-mek-mx8-dlvds-lcd1-lvds0-odd.dtso
new file mode 100644
index 000000000000..7ddd90e68754
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8qxp-mek-mx8-dlvds-lcd1-lvds0-odd.dtso
@@ -0,0 +1,183 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2024 NXP
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/firmware/imx/rsrc.h>
+
+&{/} {
+ panel-lvds0 {
+ compatible = "koe,tx26d202vm0bwa";
+ backlight = <&backlight_lvds1>;
+ power-supply = <®_vcc_per_3v3>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ dual-lvds-odd-pixels;
+
+ panel_lvds0_in: endpoint {
+ remote-endpoint = <&lvds0_out>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ dual-lvds-even-pixels;
+
+ panel_lvds1_in: endpoint {
+ remote-endpoint = <&lvds1_out>;
+ };
+ };
+ };
+ };
+};
+
+&backlight_lvds1 {
+ status = "okay";
+};
+
+&dc0_framegen0 {
+ assigned-clocks = <&clk IMX_SC_R_DC_0_PLL_0 IMX_SC_PM_CLK_PLL>,
+ <&clk IMX_SC_R_DC_0 IMX_SC_PM_CLK_MISC0>;
+ assigned-clock-parents = <0>,
+ <&clk IMX_SC_R_DC_0_PLL_0 IMX_SC_PM_CLK_PLL>;
+ assigned-clock-rates = <940320000>;
+};
+
+&dc0_pixel_link0 {
+ status = "okay";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@1 {
+ reg = <1>;
+
+ status = "okay";
+ };
+ };
+};
+
+&dc0_pc {
+ status = "okay";
+
+ channel@0 {
+ status = "okay";
+ };
+};
+
+&mipi_lvds_0_ldb {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ fsl,companion-ldb = <&mipi_lvds_1_ldb>;
+ status = "okay";
+
+ channel@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+ status = "okay";
+
+ port@1 {
+ reg = <1>;
+
+ lvds0_out: endpoint {
+ remote-endpoint = <&panel_lvds0_in>;
+ };
+ };
+ };
+};
+
+&mipi_lvds_0_phy {
+ status = "okay";
+};
+
+&mipi_lvds_0_pxl2dpi {
+ fsl,companion-pxl2dpi = <&mipi_lvds_1_pxl2dpi>;
+ status = "okay";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ mipi_lvds_0_pxl2dpi_dc0_pixel_link0: endpoint@0 {
+ status = "okay";
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ mipi_lvds_0_pxl2dpi_mipi_lvds_0_ldb_ch0: endpoint@0 {
+ status = "okay";
+ };
+ };
+ };
+};
+
+&mipi_lvds_1_ldb {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ channel@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ status = "okay";
+
+ port@1 {
+ reg = <1>;
+
+ lvds1_out: endpoint {
+ remote-endpoint = <&panel_lvds1_in>;
+ };
+ };
+ };
+};
+
+&mipi_lvds_1_phy {
+ status = "okay";
+};
+
+&mipi_lvds_1_pwm {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pwm_mipi_lvds1>;
+ status = "okay";
+};
+
+&mipi_lvds_1_pxl2dpi {
+ status = "okay";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ mipi_lvds_1_pxl2dpi_dc0_pixel_link0: endpoint@1 {
+ status = "okay";
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ mipi_lvds_1_pxl2dpi_mipi_lvds_1_ldb_ch1: endpoint@1 {
+ status = "okay";
+ };
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
index c7b4015c7bf7..cb999be00c22 100644
--- a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
+++ b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
@@ -21,6 +21,16 @@ chosen {
stdout-path = &lpuart0;
};
+ backlight_lvds1: backlight-lvds1 {
+ compatible = "pwm-backlight";
+ pwms = <&mipi_lvds_1_pwm 0 100000 0>;
+ brightness-levels = <0 100>;
+ num-interpolated-steps = <100>;
+ default-brightness-level = <100>;
+ power-supply = <®_vcc_12v0>;
+ status = "disabled";
+ };
+
imx8x_cm4: imx8x-cm4 {
compatible = "fsl,imx8qxp-cm4";
mbox-names = "tx", "rx", "rxdb";
@@ -58,6 +68,20 @@ dsp_vdev0buffer: memory@94300000 {
};
};
+ reg_vcc_12v0: regulator-vcc-12v0 {
+ compatible = "regulator-fixed";
+ regulator-name = "VCC_12V0";
+ regulator-min-microvolt = <12000000>;
+ regulator-max-microvolt = <12000000>;
+ };
+
+ reg_vcc_per_3v3: regulator-vcc-per-3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "VCC_PER_3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
reg_usdhc2_vmmc: usdhc2-vmmc {
compatible = "regulator-fixed";
regulator-name = "SD1_SPWR";
@@ -785,6 +809,12 @@ IMX8QXP_FLEXCAN2_RX_ADMA_UART3_RX 0x06000020
>;
};
+ pinctrl_pwm_mipi_lvds1: mipilvds1pwmgrp {
+ fsl,pins = <
+ IMX8QXP_MIPI_DSI1_GPIO0_00_MIPI_DSI1_PWM0_OUT 0x00000020
+ >;
+ };
+
pinctrl_pcieb: pcieagrp {
fsl,pins = <
IMX8QXP_PCIE_CTRL0_PERST_B_LSIO_GPIO4_IO00 0x06000021
--
2.34.1
