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

   1 /*
   2  * The code contained herein is licensed under the GNU General Public
   3  * License. You may obtain a copy of the GNU General Public License
   4  * Version 2 or later at the following locations:
   5  */
   6
   7 #include "ep7211.dtsi"
   8 #include <dt-bindings/gpio/gpio.h>
   9
  10 / {
  11         model = "Cirrus Logic EP7211 Development Board";
  12         compatible = "cirrus,edb7211", "cirrus,ep7211", "cirrus,ep7209";
  13
  14         memory {
  15                 reg = <0xc0000000 0x02000000>;
  16         };
  17
  18         backlight: backlight {
  19                 compatible = "pwm-backlight";
  20                 pwms = <&pwm 0>;
  21                 brightness-levels = <
  22                         0x0 0x1 0x2 0x3 0x4 0x5 0x6 0x7
  23                         0x8 0x9 0xa 0xb 0xc 0xd 0xe 0xf
  24                 >;
  25                 default-brightness-level = <0x0>;
  26                 power-supply = <&blen>;
  27         };
  28
  29         display: display {
  30                 model = "320x240x4";
  31                 native-mode = <&timing0>;
  32                 bits-per-pixel = <4>;
  33                 ac-prescale = <17>;
  34
  35                 display-timings {
  36                         timing0: 320x240 {
  37                                 hactive = <320>;
  38                                 hback-porch = <0>;
  39                                 hfront-porch = <0>;
  40                                 hsync-len = <0>;
  41                                 vactive = <240>;
  42                                 vback-porch = <0>;
  43                                 vfront-porch = <0>;
  44                                 vsync-len = <0>;
  45                                 clock-frequency = <6500000>;
  46                         };
  47                 };
  48         };
  49
  50         i2c: i2c {
  51                 compatible = "i2c-gpio";
  52                 gpios = <&portd 4 GPIO_ACTIVE_HIGH>,
  53                         <&portd 5 GPIO_ACTIVE_HIGH>;
  54                 i2c-gpio,delay-us = <2>;
  55                 i2c-gpio,scl-output-only;
  56                 #address-cells = <1>;
  57                 #size-cells = <0>;
  58         };
  59
  60         lcddc: lcddc {
  61                 compatible = "regulator-fixed";
  62                 regulator-name = "BACKLIGHT ENABLE";
  63                 regulator-min-microvolt = <3300000>;
  64                 regulator-max-microvolt = <3300000>;
  65                 gpio = <&portd 1 GPIO_ACTIVE_HIGH>;
  66         };
  67
  68         blen: blen {
  69                 compatible = "regulator-fixed";
  70                 regulator-name = "BACKLIGHT ENABLE";
  71                 regulator-min-microvolt = <3300000>;
  72                 regulator-max-microvolt = <3300000>;
  73                 gpio = <&portd 3 GPIO_ACTIVE_HIGH>;
  74         };
  75 };
  76
  77 &bus {
  78         flash: nor@0 {
  79                 compatible = "cfi-flash";
  80                 reg = <0 0x00000000 0x02000000>;
  81                 bank-width = <2>;
  82                 #address-cells = <1>;
  83                 #size-cells = <1>;
  84         };
  85 };
  86
  87 &fb {
  88         display = <&display>;
  89         lcd-supply = <&lcddc>;
  90         status = "okay";
  91 };
  92
  93 &portd {
  94         lcden {
  95                 gpio-hog;
  96                 gpios = <2 GPIO_ACTIVE_HIGH>;
  97                 output-high;
  98                 line-name = "LCD ENABLE";
  99         };
 100 };