kernel/arch/arm/boot/dts/ste-nomadik-nhk15.dts

   1 /*
   2  * Device Tree for the ST-Ericsson Nomadik S8815 board
   3  * Produced by Calao Systems
   4  */
   5
   6 /dts-v1/;
   7 #include <dt-bindings/interrupt-controller/irq.h>
   8 #include <dt-bindings/gpio/gpio.h>
   9 #include "ste-nomadik-stn8815.dtsi"
  10
  11 / {
  12         model = "Nomadik STN8815NHK";
  13         compatible = "st,nomadik-nhk-15";
  14
  15         chosen {
  16                 bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk";
  17         };
  18
  19         aliases {
  20                 stmpe-i2c0 = &stmpe0;
  21                 stmpe-i2c1 = &stmpe1;
  22         };
  23
  24         pinctrl {
  25                 stmpe2401_1 {
  26                         stmpe2401_1_nhk_mode: stmpe2401_1_nhk {
  27                                 nhk_cfg1 {
  28                                         pins = "GPIO76_B20"; // IRQ line
  29                                         ste,input = <0>;
  30                                 };
  31                                 nhk_cfg2 {
  32                                         pins = "GPIO77_B8"; // reset line
  33                                         ste,output = <1>;
  34                                 };
  35                         };
  36                 };
  37                 stmpe2401_2 {
  38                         stmpe2401_2_nhk_mode: stmpe2401_2_nhk {
  39                                 nhk_cfg1 {
  40                                         pins = "GPIO78_A8"; // IRQ line
  41                                         ste,input = <0>;
  42                                 };
  43                                 nhk_cfg2 {
  44                                         pins = "GPIO79_C9"; // reset line
  45                                         ste,output = <1>;
  46                                 };
  47                         };
  48                 };
  49         };
  50
  51         src@101e0000 {
  52                 /* These chrystal outputs are not used on this board */
  53                 disable-sxtalo;
  54                 disable-mxtalo;
  55         };
  56
  57         /* This is where the interrupt is routed on the NHK-15 debug board */
  58         external-bus@34000000 {
  59                 compatible = "simple-bus";
  60                 reg = <0x34000000 0x1000000>;
  61                 #address-cells = <1>;
  62                 #size-cells = <1>;
  63                 ranges = <0 0x34000000 0x1000000>;
  64                 ethernet@300 {
  65                         compatible = "smsc,lan91c111";
  66                         reg = <0x300 0x0fd00>;
  67                         reg-io-width = <2>;
  68                         reset-gpios = <&stmpe_gpio44 10 GPIO_ACTIVE_HIGH>;
  69                         interrupt-parent = <&stmpe_gpio44>;
  70                         interrupts = <11 IRQ_TYPE_EDGE_RISING>;
  71                 };
  72         };
  73
  74         i2c0 {
  75                 stmpe0: stmpe2401@43 {
  76                         compatible = "st,stmpe2401";
  77                         reg = <0x43>;
  78                         reset-gpios = <&gpio2 13 GPIO_ACTIVE_LOW>; // GPIO77
  79                         interrupts = <12 IRQ_TYPE_EDGE_FALLING>; // GPIO76
  80                         interrupt-parent = <&gpio2>;
  81                         interrupt-controller;
  82                         wakeup-source;
  83                         pinctrl-names = "default";
  84                         pinctrl-0 = <&stmpe2401_1_nhk_mode>;
  85                         stmpe_gpio43: stmpe_gpio {
  86                                 compatible = "st,stmpe-gpio";
  87                                 gpio-controller;
  88                                 #gpio-cells = <2>;
  89                                 interrupt-controller;
  90                                 #interrupt-cells = <2>;
  91                                 /* Some pins in alternate functions */
  92                                 st,norequest-mask = <0xf0f002>;
  93                         };
  94                         stmpe_keypad {
  95                                 compatible = "st,stmpe-keypad";
  96                                 debounce-interval = <64>;
  97                                 st,scan-count = <8>;
  98                                 st,no-autorepeat;
  99                                 keypad,num-rows = <8>;
 100                                 keypad,num-columns = <8>;
 101                                 linux,keymap = <0x00020072 // Vol down
 102                                                 0x00030073 // Vol up
 103                                                 0x0100009e // Back
 104                                                 0x010100e3 // TV out
 105                                                 0x01020098 // Lock
 106                                                 0x0103013b // Start
 107                                                 0x020000a3 // Next
 108                                                 0x020100a4 // Play
 109                                                 0x020200a5 // Prev
 110                                                 0x02030160 // OK
 111                                                 0x03000069 // Left
 112                                                 0x0301006a // Right
 113                                                 0x03020067 // Up
 114                                                 0x0303006c>; // Down
 115                         };
 116                 };
 117                 stmpe1: stmpe2401@44 {
 118                         compatible = "st,stmpe2401";
 119                         reg = <0x44>;
 120                         reset-gpios = <&gpio2 15 GPIO_ACTIVE_LOW>; // GPIO79
 121                         interrupts = <14 IRQ_TYPE_EDGE_FALLING>; // GPIO78
 122                         interrupt-parent = <&gpio2>;
 123                         interrupt-controller;
 124                         wakeup-source;
 125                         pinctrl-names = "default";
 126                         pinctrl-0 = <&stmpe2401_2_nhk_mode>;
 127                         stmpe_gpio44: stmpe_gpio {
 128                                 compatible = "st,stmpe-gpio";
 129                                 gpio-controller;
 130                                 #gpio-cells = <2>;
 131                                 interrupt-controller;
 132                                 #interrupt-cells = <2>;
 133                         };
 134                 };
 135         };
 136
 137         amba {
 138                 mmcsd: sdi@101f6000 {
 139                         cd-gpios = <&stmpe_gpio44 7 GPIO_ACTIVE_LOW>;
 140                         wp-gpios = <&stmpe_gpio44 18 GPIO_ACTIVE_HIGH>;
 141                 };
 142         };
 143
 144         /* Custom board node with GPIO pins to active etc */
 145         usb-s8815 {
 146                 /* This will turn off SATA so that MMC/SD can thrive */
 147                 mmcsd-gpio {
 148                         gpios = <&stmpe_gpio44 2 0x1>;
 149                 };
 150         };
 151 };