diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile index 114b144c7899..1623a816d961 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -26,6 +26,7 @@ k3-am625-verdin-wifi-dev-dsi-to-hdmi-dtbs := k3-am625-verdin-wifi-dev.dtb \ dtb-$(CONFIG_ARCH_K3) += k3-am625-beagleplay.dtb dtb-$(CONFIG_ARCH_K3) += k3-am625-beagleplay-csi2-ov5640.dtbo dtb-$(CONFIG_ARCH_K3) += k3-am625-beagleplay-csi2-tevi-ov5640.dtbo +dtb-$(CONFIG_ARCH_K3) += k3-am625-beagleplay-lincolntech-lcd185-panel.dtbo dtb-$(CONFIG_ARCH_K3) += k3-am625-phyboard-lyra-rdk.dtb dtb-$(CONFIG_ARCH_K3) += k3-am625-sk.dtb dtb-$(CONFIG_ARCH_K3) += k3-am625-sk-microtips-mf101hie-panel.dtbo @@ -240,6 +241,8 @@ k3-am625-beagleplay-csi2-ov5640-dtbs := k3-am625-beagleplay.dtb \ k3-am625-beagleplay-csi2-ov5640.dtbo k3-am625-beagleplay-csi2-tevi-ov5640-dtbs := k3-am625-beagleplay.dtb \ k3-am625-beagleplay-csi2-tevi-ov5640.dtbo +k3-am625-beagleplay-lincolntech-lcd185-panel-dtbs := k3-am625-beagleplay.dtb \ + k3-am625-beagleplay-lincolntech-lcd185-panel.dtbo k3-am625-phyboard-lyra-disable-eth-phy-dtbs := k3-am625-phyboard-lyra-rdk.dtb \ k3-am6xx-phycore-disable-eth-phy.dtbo k3-am625-phyboard-lyra-disable-rtc-dtbs := k3-am625-phyboard-lyra-rdk.dtb \ @@ -414,6 +417,7 @@ k3-j784s4-evm-usxgmii-exp1-exp2-dtbs := k3-j784s4-evm.dtb \ k3-j784s4-evm-usxgmii-exp1-exp2.dtbo dtb- += k3-am625-beagleplay-csi2-ov5640.dtb \ k3-am625-beagleplay-csi2-tevi-ov5640.dtb \ + k3-am625-beagleplay-lincolntech-lcd185-panel.dtb \ k3-am625-phyboard-lyra-disable-eth-phy.dtb \ k3-am625-phyboard-lyra-disable-rtc.dtb \ k3-am625-phyboard-lyra-disable-spi-nor.dtb \ diff --git a/arch/arm64/boot/dts/ti/k3-am625-beagleplay-lincolntech-lcd185-panel.dtso b/arch/arm64/boot/dts/ti/k3-am625-beagleplay-lincolntech-lcd185-panel.dtso new file mode 100644 index 000000000000..ac621c32de9b --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am625-beagleplay-lincolntech-lcd185-panel.dtso @@ -0,0 +1,162 @@ +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT +/** + * Lincoln tech Solutions OLDI panel (LCD185-101CT) and touch DT overlay for AM625-BeaglePlay + * + * Copyright (C) 2026 Texas Instruments Incorporated - https://www.ti.com/ + */ + +/dts-v1/; +/plugin/; + +#include +#include +#include "k3-pinctrl.h" + +&{/} { + backlight: backlight { + compatible = "pwm-backlight"; + pinctrl-names = "default"; + pinctrl-0 = <&backlight_pins_default>; + brightness-levels = <0 4 8 16 32 64 128 255>; + default-brightness-level = <6>; + enable-gpios = <&main_gpio0 0 GPIO_ACTIVE_HIGH>; + pwms = <&epwm0 1 20000 0>; + }; + + lcd { + compatible = "lincolntech,lcd185-101ct"; + backlight = <&backlight>; + /* + * Note that the OLDI TX 0 transmits the odd set of pixels + * while the OLDI TX 1 transmits the even set. This is a + * fixed configuration in the IP integration and is not + * changeable. The properties, "dual-lvds-odd-pixels" and + * "dual-lvds-even-pixels" have been used to merely + * identify if a Dual Link configuration is required. + * Swapping them will cause an error in the dss oldi driver. + */ + power-supply = <&vsys_5v0>; + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + dual-lvds-odd-pixels; + lcd_in0: endpoint { + remote-endpoint = <&oldi_0_out>; + }; + }; + port@1 { + reg = <1>; + dual-lvds-even-pixels; + lcd_in1: endpoint { + remote-endpoint = <&oldi_1_out>; + }; + }; + }; + }; +}; + +&main_pmx0 { + touchscreen_pins_default: touchscreen-default-pins { + pinctrl-single,pins = < + AM62X_IOPAD(0x01b4, PIN_OUTPUT, 7) /* (A13) SPI0_CS0.GPIO1_15 */ + AM62X_IOPAD(0x00a0, PIN_INPUT, 7) /* (K25) GPMC0_WPn.GPIO0_39 */ + >; + }; + + backlight_pins_default: bl-default-pins { + pinctrl-single,pins = < + AM62X_IOPAD(0x0000, PIN_OUTPUT, 7) /* (H24) OSPI0_CLK.GPIO0_0 */ + AM62X_IOPAD(0x01b8, PIN_OUTPUT, 2) /* (C13) SPI0_CS1.EHRPWM0_B */ + >; + }; +}; + +&dss { + status = "okay"; +}; + +&oldi0 { + status = "okay"; + ti,companion-oldi = <&oldi1>; +}; + +&oldi1 { + status = "okay"; + ti,secondary-oldi; + ti,companion-oldi = <&oldi0>; +}; + +&oldi0_port0 { + oldi_0_in: endpoint { + remote-endpoint = <&dpi0_out0>; + }; +}; + +&oldi0_port1 { + oldi_0_out: endpoint { + remote-endpoint = <&lcd_in0>; + }; +}; + +&oldi1_port0 { + oldi_1_in: endpoint { + remote-endpoint = <&dpi0_out1>; + }; +}; + +&oldi1_port1 { + oldi_1_out: endpoint { + remote-endpoint = <&lcd_in1>; + }; +}; + +&dss_ports { + #address-cells = <1>; + #size-cells = <0>; + + /* VP1: Output to OLDI */ + port@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + + dpi0_out0: endpoint@0 { + reg = <0>; + remote-endpoint = <&oldi_0_in>; + }; + dpi0_out1: endpoint@1 { + reg = <1>; + remote-endpoint = <&oldi_1_in>; + }; + }; +}; + +&main_i2c2 { + #address-cells = <1>; + #size-cells = <0>; + + eeprom@57 { + compatible = "atmel,24c256"; + reg = <0x57>; + }; + + touchscreen@5d { + compatible = "goodix,gt928"; + reg = <0x5d>; + pinctrl-names = "default"; + pinctrl-0 = <&touchscreen_pins_default>; + interrupt-parent = <&main_gpio0>; + interrupts = <39 IRQ_TYPE_EDGE_FALLING>; + irq-gpios = <&main_gpio0 39 GPIO_ACTIVE_HIGH>; + reset-gpios = <&main_gpio1 15 GPIO_ACTIVE_HIGH>; + touchscreen-size-x = <1920>; + touchscreen-size-y = <1200>; + }; +}; + +&epwm0 { + status = "okay"; +};