0001 // SPDX-License-Identifier: GPL-2.0-or-later
0002
0003 #include "ep7211.dtsi"
0004 #include <dt-bindings/gpio/gpio.h>
0005
0006 / {
0007 model = "Cirrus Logic EP7211 Development Board";
0008 compatible = "cirrus,edb7211", "cirrus,ep7211", "cirrus,ep7209";
0009
0010 memory@c0000000 {
0011 device_type = "memory";
0012 reg = <0xc0000000 0x02000000>;
0013 };
0014
0015 backlight: backlight {
0016 compatible = "pwm-backlight";
0017 pwms = <&pwm 0>;
0018 brightness-levels = <
0019 0x0 0x1 0x2 0x3 0x4 0x5 0x6 0x7
0020 0x8 0x9 0xa 0xb 0xc 0xd 0xe 0xf
0021 >;
0022 default-brightness-level = <0x0>;
0023 power-supply = <&blen>;
0024 };
0025
0026 display: display {
0027 model = "320x240x4";
0028 bits-per-pixel = <4>;
0029 ac-prescale = <17>;
0030
0031 display-timings {
0032 native-mode = <&timing0>;
0033 timing0: 320x240 {
0034 hactive = <320>;
0035 hback-porch = <0>;
0036 hfront-porch = <0>;
0037 hsync-len = <0>;
0038 vactive = <240>;
0039 vback-porch = <0>;
0040 vfront-porch = <0>;
0041 vsync-len = <0>;
0042 clock-frequency = <6500000>;
0043 };
0044 };
0045 };
0046
0047 i2c: i2c {
0048 compatible = "i2c-gpio";
0049 gpios = <&portd 4 GPIO_ACTIVE_HIGH>,
0050 <&portd 5 GPIO_ACTIVE_HIGH>;
0051 i2c-gpio,delay-us = <2>;
0052 i2c-gpio,scl-output-only;
0053 #address-cells = <1>;
0054 #size-cells = <0>;
0055 };
0056
0057 lcddc: lcddc {
0058 compatible = "regulator-fixed";
0059 regulator-name = "BACKLIGHT ENABLE";
0060 regulator-min-microvolt = <3300000>;
0061 regulator-max-microvolt = <3300000>;
0062 gpio = <&portd 1 GPIO_ACTIVE_HIGH>;
0063 };
0064
0065 blen: blen {
0066 compatible = "regulator-fixed";
0067 regulator-name = "BACKLIGHT ENABLE";
0068 regulator-min-microvolt = <3300000>;
0069 regulator-max-microvolt = <3300000>;
0070 gpio = <&portd 3 GPIO_ACTIVE_HIGH>;
0071 };
0072 };
0073
0074 &bus {
0075 flash: nor@0 {
0076 compatible = "cfi-flash";
0077 reg = <0 0x00000000 0x02000000>;
0078 bank-width = <2>;
0079 #address-cells = <1>;
0080 #size-cells = <1>;
0081 };
0082 };
0083
0084 &fb {
0085 display = <&display>;
0086 lcd-supply = <&lcddc>;
0087 status = "okay";
0088 };
0089
0090 &portd {
0091 lcden {
0092 gpio-hog;
0093 gpios = <2 GPIO_ACTIVE_HIGH>;
0094 output-high;
0095 line-name = "LCD ENABLE";
0096 };
0097 };
