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                 serial1 = &uart1;
  21                 stmpe-i2c0 = &stmpe0;
  22                 stmpe-i2c1 = &stmpe1;
  23         };
  24
  25         pinctrl {
  26                 stmpe2401_1 {
  27                         stmpe2401_1_nhk_mode: stmpe2401_1_nhk {
  28                                 nhk_cfg1 {
  29                                         pins = "GPIO76_B20"; // IRQ line
  30                                         ste,input = <0>;
  31                                 };
  32                                 nhk_cfg2 {
  33                                         pins = "GPIO77_B8"; // reset line
  34                                         ste,output = <1>;
  35                                 };
  36                         };
  37                 };
  38                 stmpe2401_2 {
  39                         stmpe2401_2_nhk_mode: stmpe2401_2_nhk {
  40                                 nhk_cfg1 {
  41                                         pins = "GPIO78_A8"; // IRQ line
  42                                         ste,input = <0>;
  43                                 };
  44                                 nhk_cfg2 {
  45                                         pins = "GPIO79_C9"; // reset line
  46                                         ste,output = <1>;
  47                                 };
  48                         };
  49                 };
  50         };
  51
  52         src@101e0000 {
  53                 /* These chrystal outputs are not used on this board */
  54                 disable-sxtalo;
  55                 disable-mxtalo;
  56         };
  57
  58         /* This is where the interrupt is routed on the NHK-15 debug board */
  59         external-bus@34000000 {
  60                 compatible = "simple-bus";
  61                 reg = <0x34000000 0x1000000>;
  62                 #address-cells = <1>;
  63                 #size-cells = <1>;
  64                 ranges = <0 0x34000000 0x1000000>;
  65                 ethernet@300 {
  66                         compatible = "smsc,lan91c111";
  67                         reg = <0x300 0x0fd00>;
  68                         reg-io-width = <2>;
  69                         reset-gpios = <&stmpe_gpio44 10 GPIO_ACTIVE_HIGH>;
  70                         interrupt-parent = <&stmpe_gpio44>;
  71                         interrupts = <11 IRQ_TYPE_EDGE_RISING>;
  72                 };
  73         };
  74
  75         i2c0 {
  76                 stmpe0: stmpe2401@43 {
  77                         compatible = "st,stmpe2401";
  78                         reg = <0x43>;
  79                         reset-gpios = <&gpio2 13 GPIO_ACTIVE_LOW>; // GPIO77
  80                         interrupts = <12 IRQ_TYPE_EDGE_FALLING>; // GPIO76
  81                         interrupt-parent = <&gpio2>;
  82                         interrupt-controller;
  83                         wakeup-source;
  84                         pinctrl-names = "default";
  85                         pinctrl-0 = <&stmpe2401_1_nhk_mode>;
  86                         stmpe_gpio43: stmpe_gpio {
  87                                 compatible = "st,stmpe-gpio";
  88                                 gpio-controller;
  89                                 #gpio-cells = <2>;
  90                                 interrupt-controller;
  91                                 #interrupt-cells = <2>;
  92                                 /* Some pins in alternate functions */
  93                                 st,norequest-mask = <0xf0f002>;
  94                         };
  95                         stmpe_keypad {
  96                                 compatible = "st,stmpe-keypad";
  97                                 debounce-interval = <64>;
  98                                 st,scan-count = <8>;
  99                                 st,no-autorepeat;
 100                                 keypad,num-rows = <8>;
 101                                 keypad,num-columns = <8>;
 102                                 linux,keymap = <0x00020072 // Vol down
 103                                                 0x00030073 // Vol up
 104                                                 0x0100009e // Back
 105                                                 0x010100e3 // TV out
 106                                                 0x01020098 // Lock
 107                                                 0x0103013b // Start
 108                                                 0x020000a3 // Next
 109                                                 0x020100a4 // Play
 110                                                 0x020200a5 // Prev
 111                                                 0x02030160 // OK
 112                                                 0x03000069 // Left
 113                                                 0x0301006a // Right
 114                                                 0x03020067 // Up
 115                                                 0x0303006c>; // Down
 116                         };
 117                 };
 118                 stmpe1: stmpe2401@44 {
 119                         compatible = "st,stmpe2401";
 120                         reg = <0x44>;
 121                         reset-gpios = <&gpio2 15 GPIO_ACTIVE_LOW>; // GPIO79
 122                         interrupts = <14 IRQ_TYPE_EDGE_FALLING>; // GPIO78
 123                         interrupt-parent = <&gpio2>;
 124                         interrupt-controller;
 125                         wakeup-source;
 126                         pinctrl-names = "default";
 127                         pinctrl-0 = <&stmpe2401_2_nhk_mode>;
 128                         stmpe_gpio44: stmpe_gpio {
 129                                 compatible = "st,stmpe-gpio";
 130                                 gpio-controller;
 131                                 #gpio-cells = <2>;
 132                                 interrupt-controller;
 133                                 #interrupt-cells = <2>;
 134                         };
 135                 };
 136         };
 137
 138         amba {
 139                 mmcsd: sdi@101f6000 {
 140                         cd-gpios = <&stmpe_gpio44 7 GPIO_ACTIVE_LOW>;
 141                         wp-gpios = <&stmpe_gpio44 18 GPIO_ACTIVE_HIGH>;
 142                 };
 143         };
 144
 145         /* Custom board node with GPIO pins to active etc */
 146         usb-s8815 {
 147                 /* This will turn off SATA so that MMC/SD can thrive */
 148                 mmcsd-gpio {
 149                         gpios = <&stmpe_gpio44 2 0x1>;
 150                 };
 151         };
 152 };