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                 device_type = "memory";
  16                 reg = <0xc0000000 0x02000000>;
  17         };
  18
  19         backlight: backlight {
  20                 compatible = "pwm-backlight";
  21                 pwms = <&pwm 0>;
  22                 brightness-levels = <
  23                         0x0 0x1 0x2 0x3 0x4 0x5 0x6 0x7
  24                         0x8 0x9 0xa 0xb 0xc 0xd 0xe 0xf
  25                 >;
  26                 default-brightness-level = <0x0>;
  27                 power-supply = <&blen>;
  28         };
  29
  30         display: display {
  31                 model = "320x240x4";
  32                 native-mode = <&timing0>;
  33                 bits-per-pixel = <4>;
  34                 ac-prescale = <17>;
  35
  36                 display-timings {
  37                         timing0: 320x240 {
  38                                 hactive = <320>;
  39                                 hback-porch = <0>;
  40                                 hfront-porch = <0>;
  41                                 hsync-len = <0>;
  42                                 vactive = <240>;
  43                                 vback-porch = <0>;
  44                                 vfront-porch = <0>;
  45                                 vsync-len = <0>;
  46                                 clock-frequency = <6500000>;
  47                         };
  48                 };
  49         };
  50
  51         i2c: i2c {
  52                 compatible = "i2c-gpio";
  53                 gpios = <&portd 4 GPIO_ACTIVE_HIGH>,
  54                         <&portd 5 GPIO_ACTIVE_HIGH>;
  55                 i2c-gpio,delay-us = <2>;
  56                 i2c-gpio,scl-output-only;
  57                 #address-cells = <1>;
  58                 #size-cells = <0>;
  59         };
  60
  61         lcddc: lcddc {
  62                 compatible = "regulator-fixed";
  63                 regulator-name = "BACKLIGHT ENABLE";
  64                 regulator-min-microvolt = <3300000>;
  65                 regulator-max-microvolt = <3300000>;
  66                 gpio = <&portd 1 GPIO_ACTIVE_HIGH>;
  67         };
  68
  69         blen: blen {
  70                 compatible = "regulator-fixed";
  71                 regulator-name = "BACKLIGHT ENABLE";
  72                 regulator-min-microvolt = <3300000>;
  73                 regulator-max-microvolt = <3300000>;
  74                 gpio = <&portd 3 GPIO_ACTIVE_HIGH>;
  75         };
  76 };
  77
  78 &bus {
  79         flash: nor@0 {
  80                 compatible = "cfi-flash";
  81                 reg = <0 0x00000000 0x02000000>;
  82                 bank-width = <2>;
  83                 #address-cells = <1>;
  84                 #size-cells = <1>;
  85         };
  86 };
  87
  88 &fb {
  89         display = <&display>;
  90         lcd-supply = <&lcddc>;
  91         status = "okay";
  92 };
  93
  94 &portd {
  95         lcden {
  96                 gpio-hog;
  97                 gpios = <2 GPIO_ACTIVE_HIGH>;
  98                 output-high;
  99                 line-name = "LCD ENABLE";
 100         };
 101 };