arch/arm/boot/dts/ep7211-edb7211.dts

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2
   3 #include "ep7211.dtsi"
   4 #include <dt-bindings/gpio/gpio.h>
   5
   6 / {
   7         model = "Cirrus Logic EP7211 Development Board";
   8         compatible = "cirrus,edb7211", "cirrus,ep7211", "cirrus,ep7209";
   9
  10         memory {
  11                 device_type = "memory";
  12                 reg = <0xc0000000 0x02000000>;
  13         };
  14
  15         backlight: backlight {
  16                 compatible = "pwm-backlight";
  17                 pwms = <&pwm 0>;
  18                 brightness-levels = <
  19                         0x0 0x1 0x2 0x3 0x4 0x5 0x6 0x7
  20                         0x8 0x9 0xa 0xb 0xc 0xd 0xe 0xf
  21                 >;
  22                 default-brightness-level = <0x0>;
  23                 power-supply = <&blen>;
  24         };
  25
  26         display: display {
  27                 model = "320x240x4";
  28                 bits-per-pixel = <4>;
  29                 ac-prescale = <17>;
  30
  31                 display-timings {
  32                         native-mode = <&timing0>;
  33                         timing0: 320x240 {
  34                                 hactive = <320>;
  35                                 hback-porch = <0>;
  36                                 hfront-porch = <0>;
  37                                 hsync-len = <0>;
  38                                 vactive = <240>;
  39                                 vback-porch = <0>;
  40                                 vfront-porch = <0>;
  41                                 vsync-len = <0>;
  42                                 clock-frequency = <6500000>;
  43                         };
  44                 };
  45         };
  46
  47         i2c: i2c {
  48                 compatible = "i2c-gpio";
  49                 gpios = <&portd 4 GPIO_ACTIVE_HIGH>,
  50                         <&portd 5 GPIO_ACTIVE_HIGH>;
  51                 i2c-gpio,delay-us = <2>;
  52                 i2c-gpio,scl-output-only;
  53                 #address-cells = <1>;
  54                 #size-cells = <0>;
  55         };
  56
  57         lcddc: lcddc {
  58                 compatible = "regulator-fixed";
  59                 regulator-name = "BACKLIGHT ENABLE";
  60                 regulator-min-microvolt = <3300000>;
  61                 regulator-max-microvolt = <3300000>;
  62                 gpio = <&portd 1 GPIO_ACTIVE_HIGH>;
  63         };
  64
  65         blen: blen {
  66                 compatible = "regulator-fixed";
  67                 regulator-name = "BACKLIGHT ENABLE";
  68                 regulator-min-microvolt = <3300000>;
  69                 regulator-max-microvolt = <3300000>;
  70                 gpio = <&portd 3 GPIO_ACTIVE_HIGH>;
  71         };
  72 };
  73
  74 &bus {
  75         flash: nor@0 {
  76                 compatible = "cfi-flash";
  77                 reg = <0 0x00000000 0x02000000>;
  78                 bank-width = <2>;
  79                 #address-cells = <1>;
  80                 #size-cells = <1>;
  81         };
  82 };
  83
  84 &fb {
  85         display = <&display>;
  86         lcd-supply = <&lcddc>;
  87         status = "okay";
  88 };
  89
  90 &portd {
  91         lcden {
  92                 gpio-hog;
  93                 gpios = <2 GPIO_ACTIVE_HIGH>;
  94                 output-high;
  95                 line-name = "LCD ENABLE";
  96         };
  97 };