| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Device Tree Overlay for Mayqueen (Open-EP Community) pixpaper display |
| * support on Renesas RZ/V2H platform (KAKIP board). |
| * |
| * Copyright (C) 2026 Wig Cheng <onlywig@gmail.com> |
| */ |
| |
| /dts-v1/; |
| /plugin/; |
| |
| #include <dt-bindings/pinctrl/renesas,r9a09g057-pinctrl.h> |
| #include <dt-bindings/gpio/gpio.h> |
| |
| &pinctrl { |
| rspi0_pins: rspi0 { |
| pinmux = <RZV2H_PORT_PINMUX(9, 0, 1)>, /* SPI0 MOSI */ |
| <RZV2H_PORT_PINMUX(9, 1, 1)>, /* SPI0 MISO */ |
| <RZV2H_PORT_PINMUX(9, 2, 1)>, /* SPI0 CLK */ |
| <RZV2H_PORT_PINMUX(9, 3, 1)>; /* SPI0 CE0 */ |
| }; |
| }; |
| |
| &rspi0 { |
| pinctrl-0 = <&rspi0_pins>; |
| pinctrl-names = "default"; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| status = "okay"; |
| |
| display@0 { |
| compatible = "mayqueen,pixpaper"; |
| reg = <0>; |
| spi-max-frequency = <1000000>; |
| reset-gpios = <&pinctrl RZV2H_GPIO(A, 7) GPIO_ACTIVE_HIGH>; |
| busy-gpios = <&pinctrl RZV2H_GPIO(B, 3) GPIO_ACTIVE_HIGH>; |
| dc-gpios = <&pinctrl RZV2H_GPIO(7, 4) GPIO_ACTIVE_HIGH>; |
| }; |
| }; |
