| // SPDX-License-Identifier: GPL-2.0-or-later |
| |
| #include "ep7211.dtsi" |
| #include <dt-bindings/gpio/gpio.h> |
| |
| / { |
| model = "Cirrus Logic EP7211 Development Board"; |
| compatible = "cirrus,edb7211", "cirrus,ep7211", "cirrus,ep7209"; |
| |
| memory { |
| device_type = "memory"; |
| reg = <0xc0000000 0x02000000>; |
| }; |
| |
| backlight: backlight { |
| compatible = "pwm-backlight"; |
| pwms = <&pwm 0>; |
| brightness-levels = < |
| 0x0 0x1 0x2 0x3 0x4 0x5 0x6 0x7 |
| 0x8 0x9 0xa 0xb 0xc 0xd 0xe 0xf |
| >; |
| default-brightness-level = <0x0>; |
| power-supply = <&blen>; |
| }; |
| |
| display: display { |
| model = "320x240x4"; |
| bits-per-pixel = <4>; |
| ac-prescale = <17>; |
| |
| display-timings { |
| native-mode = <&timing0>; |
| timing0: 320x240 { |
| hactive = <320>; |
| hback-porch = <0>; |
| hfront-porch = <0>; |
| hsync-len = <0>; |
| vactive = <240>; |
| vback-porch = <0>; |
| vfront-porch = <0>; |
| vsync-len = <0>; |
| clock-frequency = <6500000>; |
| }; |
| }; |
| }; |
| |
| i2c: i2c { |
| compatible = "i2c-gpio"; |
| gpios = <&portd 4 GPIO_ACTIVE_HIGH>, |
| <&portd 5 GPIO_ACTIVE_HIGH>; |
| i2c-gpio,delay-us = <2>; |
| i2c-gpio,scl-output-only; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| }; |
| |
| lcddc: lcddc { |
| compatible = "regulator-fixed"; |
| regulator-name = "BACKLIGHT ENABLE"; |
| regulator-min-microvolt = <3300000>; |
| regulator-max-microvolt = <3300000>; |
| gpio = <&portd 1 GPIO_ACTIVE_HIGH>; |
| }; |
| |
| blen: blen { |
| compatible = "regulator-fixed"; |
| regulator-name = "BACKLIGHT ENABLE"; |
| regulator-min-microvolt = <3300000>; |
| regulator-max-microvolt = <3300000>; |
| gpio = <&portd 3 GPIO_ACTIVE_HIGH>; |
| }; |
| }; |
| |
| &bus { |
| flash: nor@0 { |
| compatible = "cfi-flash"; |
| reg = <0 0x00000000 0x02000000>; |
| bank-width = <2>; |
| #address-cells = <1>; |
| #size-cells = <1>; |
| }; |
| }; |
| |
| &fb { |
| display = <&display>; |
| lcd-supply = <&lcddc>; |
| status = "okay"; |
| }; |
| |
| &portd { |
| lcden { |
| gpio-hog; |
| gpios = <2 GPIO_ACTIVE_HIGH>; |
| output-high; |
| line-name = "LCD ENABLE"; |
| }; |
| }; |