From: Jyri Sarha <jsarha@xxxxxx> The OLDI-LCD1EVM add on board has Rocktech RK101II01D-CT panel[1] with integrated touch screen. The integrated touch screen is Goodix GT928. This panel connects with AM65 GP-EVM[2]. Add DT nodes for these and connect the endpoint nodes with DSS. [1]: Panel link https://www.digimax.it/en/tft-lcd/20881-RK101II01D-CT [2]: AM654 LCD EVM: https://www.ti.com/tool/TMDSLCD1EVM Signed-off-by: Jyri Sarha <jsarha@xxxxxx> Signed-off-by: Nikhil Devshatwar <nikhil.nd@xxxxxx> [abhatia1@xxxxxx: Make cosmetic and 6.4 kernel DTSO syntax changes] Signed-off-by: Aradhya Bhatia <a-bhatia1@xxxxxx> Reviewed-by: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx> Reviewed-by: Andrew Davis <afd@xxxxxx> --- arch/arm64/boot/dts/ti/Makefile | 2 + ...am654-base-board-rocktech-rk101-panel.dtso | 71 +++++++++++++++++++ 2 files changed, 73 insertions(+) create mode 100644 arch/arm64/boot/dts/ti/k3-am654-base-board-rocktech-rk101-panel.dtso diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile index c83c9d772b81..47b0d257b508 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -22,12 +22,14 @@ dtb-$(CONFIG_ARCH_K3) += k3-am642-phyboard-electra-rdk.dtb dtb-$(CONFIG_ARCH_K3) += k3-am642-sk.dtb # Boards with AM65x SoC +k3-am654-gp-evm-dtbs := k3-am654-base-board.dtb k3-am654-base-board-rocktech-rk101-panel.dtbo dtb-$(CONFIG_ARCH_K3) += k3-am6528-iot2050-basic.dtb dtb-$(CONFIG_ARCH_K3) += k3-am6528-iot2050-basic-pg2.dtb dtb-$(CONFIG_ARCH_K3) += k3-am6548-iot2050-advanced.dtb dtb-$(CONFIG_ARCH_K3) += k3-am6548-iot2050-advanced-m2.dtb dtb-$(CONFIG_ARCH_K3) += k3-am6548-iot2050-advanced-pg2.dtb dtb-$(CONFIG_ARCH_K3) += k3-am654-base-board.dtb +dtb-$(CONFIG_ARCH_K3) += k3-am654-gp-evm.dtb # Boards with J7200 SoC k3-j7200-evm-dtbs := k3-j7200-common-proc-board.dtb k3-j7200-evm-quad-port-eth-exp.dtbo diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board-rocktech-rk101-panel.dtso b/arch/arm64/boot/dts/ti/k3-am654-base-board-rocktech-rk101-panel.dtso new file mode 100644 index 000000000000..b507e2bd444e --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am654-base-board-rocktech-rk101-panel.dtso @@ -0,0 +1,71 @@ +// SPDX-License-Identifier: GPL-2.0 +/** + * OLDI-LCD1EVM Rocktech integrated panel and touch DT overlay for AM654-EVM. + * Panel Link: https://www.digimax.it/en/tft-lcd/20881-RK101II01D-CT + * AM654 LCD EVM: https://www.ti.com/tool/TMDSLCD1EVM + * + * Copyright (C) 2023 Texas Instruments Incorporated - http://www.ti.com/ + */ + +/dts-v1/; +/plugin/; + +#include <dt-bindings/pwm/pwm.h> +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/interrupt-controller/irq.h> + +&{/} { + display0 { + compatible = "rocktech,rk101ii01d-ct"; + backlight = <&lcd_bl>; + enable-gpios = <&pca9555 8 GPIO_ACTIVE_HIGH>; + port { + lcd_in0: endpoint { + remote-endpoint = <&oldi_out0>; + }; + }; + }; + + lcd_bl: backlight { + compatible = "pwm-backlight"; + pwms = <&ecap0 0 50000 PWM_POLARITY_INVERTED>; + brightness-levels = + <0 32 64 96 128 160 192 224 255>; + default-brightness-level = <8>; + }; +}; + +&dss { + status = "okay"; +}; + +&dss_ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + oldi_out0: endpoint { + remote-endpoint = <&lcd_in0>; + }; + }; +}; + +&main_i2c1 { + #address-cells = <1>; + #size-cells = <0>; + + touchscreen@14 { + compatible = "goodix,gt928"; + reg = <0x14>; + + interrupt-parent = <&pca9554>; + interrupts = <3 IRQ_TYPE_EDGE_FALLING>; + touchscreen-size-x = <1280>; + touchscreen-size-y = <800>; + + reset-gpios = <&pca9555 9 GPIO_ACTIVE_HIGH>; + irq-gpios = <&pca9554 3 GPIO_ACTIVE_HIGH>; + }; +}; -- 2.40.1
