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                 serial0 = &uart0;
  21                 serial1 = &uart1;
  22                 stmpe-i2c0 = &stmpe0;
  23                 stmpe-i2c1 = &stmpe1;
  24         };
  25
  26         pinctrl {
  27                 uart0 {
  28                         uart0_nhk_mode: uart0_mux {
  29                                 u0_default_mux {
  30                                         function = "u0";
  31                                         groups = "u0txrx_a_1", "u0ctsrts_a_1";
  32                                 };
  33                         };
  34                 };
  35
  36                 stmpe2401_1 {
  37                         stmpe2401_1_nhk_mode: stmpe2401_1_nhk {
  38                                 nhk_cfg1 {
  39                                         pins = "GPIO76_B20"; // IRQ line
  40                                         ste,input = <0>;
  41                                 };
  42                                 nhk_cfg2 {
  43                                         pins = "GPIO77_B8"; // reset line
  44                                         ste,output = <1>;
  45                                 };
  46                         };
  47                 };
  48                 stmpe2401_2 {
  49                         stmpe2401_2_nhk_mode: stmpe2401_2_nhk {
  50                                 nhk_cfg1 {
  51                                         pins = "GPIO78_A8"; // IRQ line
  52                                         ste,input = <0>;
  53                                 };
  54                                 nhk_cfg2 {
  55                                         pins = "GPIO79_C9"; // reset line
  56                                         ste,output = <1>;
  57                                 };
  58                         };
  59                 };
  60                 lis3lv02dl {
  61                         lis3lv02dl_nhk_mode: lis3lv02dl_nhk {
  62                                 nhk_cfg1 {
  63                                         pins = "GPIO82_C10"; // IRQ line
  64                                         ste,input = <0>;
  65                                 };
  66                         };
  67                 };
  68         };
  69         src@101e0000 {
  70                 /* These chrystal outputs are not used on this board */
  71                 disable-sxtalo;
  72                 disable-mxtalo;
  73         };
  74
  75         /* This is where the interrupt is routed on the NHK-15 debug board */
  76         external-bus@34000000 {
  77                 compatible = "simple-bus";
  78                 reg = <0x34000000 0x1000000>;
  79                 #address-cells = <1>;
  80                 #size-cells = <1>;
  81                 ranges = <0 0x34000000 0x1000000>;
  82                 ethernet@300 {
  83                         compatible = "smsc,lan91c111";
  84                         reg = <0x300 0x0fd00>;
  85                         reg-io-width = <2>;
  86                         reset-gpios = <&stmpe_gpio44 10 GPIO_ACTIVE_HIGH>;
  87                         interrupt-parent = <&stmpe_gpio44>;
  88                         interrupts = <11 IRQ_TYPE_EDGE_RISING>;
  89                 };
  90         };
  91
  92         i2c0 {
  93                 lis3lv02dl@1d {
  94                         /* Accelerometer */
  95                         compatible = "st,lis3lv02dl-accel";
  96                         interrupt-parent = <&gpio2>;
  97                         interrupts = <18 IRQ_TYPE_EDGE_RISING>; // GPIO 82
  98                         pinctrl-0 = <&lis3lv02dl_nhk_mode>;
  99                         pinctrl-names = "default";
 100                         reg = <0x1d>;
 101                 };
 102                 stmpe0: stmpe2401@43 {
 103                         compatible = "st,stmpe2401";
 104                         reg = <0x43>;
 105                         reset-gpios = <&gpio2 13 GPIO_ACTIVE_LOW>; // GPIO77
 106                         interrupts = <12 IRQ_TYPE_EDGE_FALLING>; // GPIO76
 107                         interrupt-parent = <&gpio2>;
 108                         interrupt-controller;
 109                         wakeup-source;
 110                         pinctrl-names = "default";
 111                         pinctrl-0 = <&stmpe2401_1_nhk_mode>;
 112                         stmpe_gpio43: stmpe_gpio {
 113                                 compatible = "st,stmpe-gpio";
 114                                 gpio-controller;
 115                                 #gpio-cells = <2>;
 116                                 interrupt-controller;
 117                                 #interrupt-cells = <2>;
 118                                 /* Some pins in alternate functions */
 119                                 st,norequest-mask = <0xf0f002>;
 120                         };
 121                         stmpe_keypad {
 122                                 compatible = "st,stmpe-keypad";
 123                                 debounce-interval = <64>;
 124                                 st,scan-count = <8>;
 125                                 st,no-autorepeat;
 126                                 keypad,num-rows = <8>;
 127                                 keypad,num-columns = <8>;
 128                                 linux,keymap = <0x00020072 // Vol down
 129                                                 0x00030073 // Vol up
 130                                                 0x0100009e // Back
 131                                                 0x010100e3 // TV out
 132                                                 0x01020098 // Lock
 133                                                 0x0103013b // Start
 134                                                 0x020000a3 // Next
 135                                                 0x020100a4 // Play
 136                                                 0x020200a5 // Prev
 137                                                 0x02030160 // OK
 138                                                 0x03000069 // Left
 139                                                 0x0301006a // Right
 140                                                 0x03020067 // Up
 141                                                 0x0303006c>; // Down
 142                         };
 143                 };
 144                 stmpe1: stmpe2401@44 {
 145                         compatible = "st,stmpe2401";
 146                         reg = <0x44>;
 147                         reset-gpios = <&gpio2 15 GPIO_ACTIVE_LOW>; // GPIO79
 148                         interrupts = <14 IRQ_TYPE_EDGE_FALLING>; // GPIO78
 149                         interrupt-parent = <&gpio2>;
 150                         interrupt-controller;
 151                         wakeup-source;
 152                         pinctrl-names = "default";
 153                         pinctrl-0 = <&stmpe2401_2_nhk_mode>;
 154                         stmpe_gpio44: stmpe_gpio {
 155                                 compatible = "st,stmpe-gpio";
 156                                 gpio-controller;
 157                                 #gpio-cells = <2>;
 158                                 interrupt-controller;
 159                                 #interrupt-cells = <2>;
 160                                 /*
 161                                  * This will turn off SATA so that MMC/SD
 162                                  * can thrive
 163                                  */
 164                                 mmcsd-gpio {
 165                                         gpio-hog;
 166                                         gpios = <2 0x0>;
 167                                         output-low;
 168                                         line-name = "SATA EN";
 169                                 };
 170                         };
 171                 };
 172         };
 173
 174         amba {
 175                 /* Activate RX/TX and CTS/RTS on UART 0 */
 176                 uart0: uart@101fd000 {
 177                         pinctrl-names = "default";
 178                         pinctrl-0 = <&uart0_nhk_mode>;
 179                         status = "okay";
 180                 };
 181                 mmcsd: sdi@101f6000 {
 182                         cd-gpios = <&stmpe_gpio44 7 GPIO_ACTIVE_LOW>;
 183                         wp-gpios = <&stmpe_gpio44 18 GPIO_ACTIVE_HIGH>;
 184                 };
 185         };
 186 };