Add a DT overlay for the Variscite i.MX8MP DT8MCustomBoard that models the GKTW70SDAE4SE LVDS panel found in the evaluation kit. Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> --- arch/arm64/boot/dts/freescale/Makefile | 2 + .../imx8mp-var-dart-panel-gktw70sdae4se.dtso | 99 +++++++++++++++++++ 2 files changed, 101 insertions(+) create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-var-dart-panel-gktw70sdae4se.dtso diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile index 19637302397f..20514cb1c505 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -150,6 +150,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8ulp-evk.dtb dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-evk.dtb dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxla.dtb +imx8mp-var-dart-panel-gktw70sdae4se-dtbs := imx8mp-var-dart-dt8mcustomboard-v2.dtb imx8mp-var-dart-panel-gktw70sdae4se.dtbo imx8mm-venice-gw72xx-0x-imx219-dtbs := imx8mm-venice-gw72xx-0x.dtb imx8mm-venice-gw72xx-0x-imx219.dtbo imx8mm-venice-gw72xx-0x-rpidsi-dtbs := imx8mm-venice-gw72xx-0x.dtb imx8mm-venice-gw72xx-0x-rpidsi.dtbo imx8mm-venice-gw72xx-0x-rs232-rts-dtbs := imx8mm-venice-gw72xx-0x.dtb imx8mm-venice-gw72xx-0x-rs232-rts.dtbo @@ -162,6 +163,7 @@ imx8mm-venice-gw73xx-0x-rs422-dtbs := imx8mm-venice-gw73xx-0x.dtb imx8mm-venice- imx8mm-venice-gw73xx-0x-rs485-dtbs := imx8mm-venice-gw73xx-0x.dtb imx8mm-venice-gw73xx-0x-rs485.dtbo imx8mp-venice-gw74xx-rpidsi-dtbs := imx8mp-venice-gw74xx.dtb imx8mp-venice-gw74xx-rpidsi.dtbo +dtb-$(CONFIG_ARCH_MXC) += imx8mp-var-dart-panel-gktw70sdae4se.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw72xx-0x-imx219.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw72xx-0x-rpidsi.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw72xx-0x-rs232-rts.dtb diff --git a/arch/arm64/boot/dts/freescale/imx8mp-var-dart-panel-gktw70sdae4se.dtso b/arch/arm64/boot/dts/freescale/imx8mp-var-dart-panel-gktw70sdae4se.dtso new file mode 100644 index 000000000000..d5f61e157bc2 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mp-var-dart-panel-gktw70sdae4se.dtso @@ -0,0 +1,99 @@ +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT +/* + * Copyright 2020-2021 Variscite Ltd. + * Copyright 2023 Ideas on Board Oy + */ + +/dts-v1/; +/plugin/; + +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/interrupt-controller/irq.h> +#include "imx8mp-pinfunc.h" + +&{/} { + backlight: backlight { + compatible = "pwm-backlight"; + pwms = <&pwm1 0 1000000 0>; + }; + + panel { + compatible = "sgd,gktw70sdae4se", "panel-lvds"; + backlight = <&backlight>; + width-mm = <153>; + height-mm = <87>; + label = "gktw70sdae4se"; + data-mapping = "jeida-24"; + + panel-timing { + clock-frequency = <29232000>; + hactive = <800>; + vactive = <480>; + hback-porch = <40>; + hfront-porch = <40>; + vback-porch = <29>; + vfront-porch = <13>; + hsync-len = <48>; + vsync-len = <3>; + hsync-active = <0>; + vsync-active = <0>; + de-active = <1>; + }; + + port { + panel_in: endpoint { + remote-endpoint = <&ldb_lvds_ch0>; + }; + }; + }; +}; + +&i2c2 { + touch@38 { + compatible = "edt,edt-ft5206"; + reg = <0x38>; + + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_captouch>; + + reset-gpios = <&gpio_exp_2 4 GPIO_ACTIVE_LOW>; + interrupt-parent = <&gpio1>; + interrupts = <14 IRQ_TYPE_EDGE_FALLING>; + wakeup-source; + + touchscreen-size-x = <800>; + touchscreen-size-y = <480>; + touchscreen-inverted-x; + touchscreen-inverted-y; + }; +}; + +&lcdif2 { + /* + * The pixel clock should be configured by the lcdif driver, but the + * clock frequency propagation in the clock framework stops at the PIX2 + * clock and doesn't reach the VIDEO_PLL1 clock. As a workaround, set + * the VIDEO_PLL1 rate manually. + * + * For a 60Hz refresh rate, the panel requires a pixel clock of 29.232 + * MHz. The LVDS clock frequency is 7 times higher, or 204.624 MHz. + */ + assigned-clock-rates = <0>, <204624000>; + status = "okay"; +}; + +&ldb_lvds_ch0 { + remote-endpoint = <&panel_in>; +}; + +&lvds_bridge { + status = "okay"; +}; + +&iomuxc { + pinctrl_captouch: captouchgrp { + fsl,pins = < + MX8MP_IOMUXC_GPIO1_IO14__GPIO1_IO14 0x16 + >; + }; +}; -- Regards, Laurent Pinchart