arch/arm/boot/dts/exynos4412-tiny4412.dts

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * FriendlyARM's Exynos4412 based TINY4412 board device tree source
   4  *
   5  * Copyright (c) 2013 Alex Ling <kasimling@gmail.com>
   6  *
   7  * Device tree source file for FriendlyARM's TINY4412 board which is based on
   8  * Samsung's Exynos4412 SoC.
   9  */
  10
  11 /dts-v1/;
  12 #include "exynos4412.dtsi"
  13 #include <dt-bindings/gpio/gpio.h>
  14
  15 / {
  16         model = "FriendlyARM TINY4412 board based on Exynos4412";
  17         compatible = "friendlyarm,tiny4412", "samsung,exynos4412", "samsung,exynos4";
  18
  19         chosen {
  20                 stdout-path = &serial_0;
  21         };
  22
  23         memory@40000000 {
  24                 device_type = "memory";
  25                 reg = <0x40000000 0x40000000>;
  26         };
  27
  28         leds {
  29                 compatible = "gpio-leds";
  30
  31                 led1 {
  32                         label = "led1";
  33                         gpios = <&gpm4 0 GPIO_ACTIVE_LOW>;
  34                         default-state = "off";
  35                         linux,default-trigger = "heartbeat";
  36                 };
  37
  38                 led2 {
  39                         label = "led2";
  40                         gpios = <&gpm4 1 GPIO_ACTIVE_LOW>;
  41                         default-state = "off";
  42                 };
  43
  44                 led3 {
  45                         label = "led3";
  46                         gpios = <&gpm4 2 GPIO_ACTIVE_LOW>;
  47                         default-state = "off";
  48                 };
  49
  50                 led4 {
  51                         label = "led4";
  52                         gpios = <&gpm4 3 GPIO_ACTIVE_LOW>;
  53                         default-state = "off";
  54                         linux,default-trigger = "mmc0";
  55                 };
  56         };
  57
  58         fixed-rate-clocks {
  59                 xxti {
  60                         compatible = "samsung,clock-xxti";
  61                         clock-frequency = <0>;
  62                 };
  63
  64                 xusbxti {
  65                         compatible = "samsung,clock-xusbxti";
  66                         clock-frequency = <24000000>;
  67                 };
  68
  69                 pmic_ap_clk: pmic-ap-clk {
  70                         /* Workaround for missing clock on PMIC */
  71                         compatible = "fixed-clock";
  72                         #clock-cells = <0>;
  73                         clock-frequency = <32768>;
  74                 };
  75         };
  76
  77         panel {
  78                 compatible = "innolux,at070tn92";
  79
  80                 port {
  81                         panel_input: endpoint {
  82                                 remote-endpoint = <&lcdc_output>;
  83                         };
  84                 };
  85         };
  86 };
  87
  88 &cpu_thermal {
  89         cooling-maps {
  90                 cooling_map0: map0 {
  91                         /* Corresponds to 800MHz at freq_table */
  92                         cooling-device = <&cpu0 7 7>, <&cpu1 7 7>,
  93                                          <&cpu2 7 7>, <&cpu3 7 7>;
  94                 };
  95                 cooling_map1: map1 {
  96                         /* Corresponds to 200MHz at freq_table */
  97                         cooling-device = <&cpu0 13 13>, <&cpu1 13 13>,
  98                                          <&cpu2 13 13>, <&cpu3 13 13>;
  99                 };
 100         };
 101 };
 102
 103 &fimd {
 104         pinctrl-0 = <&lcd_clk>, <&lcd_data24>;
 105         pinctrl-names = "default";
 106         #address-cells = <1>;
 107         #size-cells = <0>;
 108         status = "okay";
 109
 110         port@3 {
 111                 reg = <3>;
 112                 lcdc_output: endpoint {
 113                         remote-endpoint = <&panel_input>;
 114                 };
 115         };
 116 };
 117
 118 &rtc {
 119         status = "okay";
 120         clocks = <&clock CLK_RTC>, <&pmic_ap_clk>;
 121         clock-names = "rtc", "rtc_src";
 122 };
 123
 124 &sdhci_2 {
 125         bus-width = <4>;
 126         pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>;
 127         pinctrl-names = "default";
 128         status = "okay";
 129 };
 130
 131 &serial_0 {
 132         status = "okay";
 133 };
 134
 135 &serial_1 {
 136         status = "okay";
 137 };
 138
 139 &serial_2 {
 140         status = "okay";
 141 };
 142
 143 &serial_3 {
 144         status = "okay";
 145 };