arch/arm/boot/dts/am3517-som.dtsi

   1 /*
   2  * Copyright (C) 2016 Derald D. Woods <woods.technical@gmail.com>
   3  *
   4  * Based on am3517-evm.dts
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 / {
  12         cpus {
  13                 cpu@0 {
  14                         cpu0-supply = <&vdd_core_reg>;
  15                 };
  16         };
  17 };
  18
  19 &gpmc {
  20         ranges = <0 0 0x30000000 0x1000000>;    /* CS0: 16MB for NAND */
  21
  22         nand@0,0 {
  23                 compatible = "ti,omap2-nand";
  24                 linux,mtd-name = "micron,mt29f4g16abchch";
  25                 reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
  26                 nand-bus-width = <16>;
  27                 ti,nand-ecc-opt = "bch8";
  28                 gpmc,sync-clk-ps = <0>;
  29                 gpmc,cs-on-ns = <0>;
  30                 gpmc,cs-rd-off-ns = <44>;
  31                 gpmc,cs-wr-off-ns = <44>;
  32                 gpmc,adv-on-ns = <6>;
  33                 gpmc,adv-rd-off-ns = <34>;
  34                 gpmc,adv-wr-off-ns = <44>;
  35                 gpmc,we-off-ns = <40>;
  36                 gpmc,oe-off-ns = <54>;
  37                 gpmc,access-ns = <64>;
  38                 gpmc,rd-cycle-ns = <82>;
  39                 gpmc,wr-cycle-ns = <82>;
  40                 gpmc,wr-access-ns = <40>;
  41                 gpmc,wr-data-mux-bus-ns = <0>;
  42                 gpmc,device-width = <2>;
  43                 #address-cells = <1>;
  44                 #size-cells = <1>;
  45         };
  46 };
  47
  48 &i2c1 {
  49         clock-frequency = <400000>;
  50
  51         s35390a: s35390a@30 {
  52                 compatible = "sii,s35390a";
  53                 reg = <0x30>;
  54
  55                 pinctrl-names = "default";
  56                 pinctrl-0 = <&rtc_pins>;
  57                 interrupts-extended = <&gpio2 23 IRQ_TYPE_EDGE_FALLING>; /* gpio_55 */
  58         };
  59
  60         tps: tps65023@48 {
  61                 compatible = "ti,tps65023";
  62                 reg = <0x48>;
  63
  64                 regulators {
  65                         vdd_core_reg: VDCDC1 {
  66                                 regulator-name = "vdd_core";
  67                                 compatible = "regulator-fixed";
  68                                 regulator-always-on;
  69                                 regulator-min-microvolt = <1200000>;
  70                                 regulator-max-microvolt = <1200000>;
  71                         };
  72
  73                         vdd_io_reg: VDCDC2 {
  74                                 regulator-name = "vdd_io";
  75                                 compatible = "regulator-fixed";
  76                                 regulator-always-on;
  77                                 regulator-min-microvolt = <3300000>;
  78                                 regulator-max-microvolt = <3300000>;
  79                         };
  80
  81                         vdd_1v8_reg: VDCDC3 {
  82                                 regulator-name = "vdd_1v8";
  83                                 compatible = "regulator-fixed";
  84                                 regulator-always-on;
  85                                 regulator-min-microvolt = <1800000>;
  86                                 regulator-max-microvolt = <1800000>;
  87                         };
  88
  89                         vdd_usb18_reg: LDO1 {
  90                                 regulator-name = "vdd_usb18";
  91                                 compatible = "regulator-fixed";
  92                                 regulator-always-on;
  93                                 regulator-min-microvolt = <1800000>;
  94                                 regulator-max-microvolt = <1800000>;
  95                         };
  96
  97                         vdd_usb33_reg: LDO2 {
  98                                 regulator-name = "vdd_usb33";
  99                                 compatible = "regulator-fixed";
 100                                 regulator-always-on;
 101                                 regulator-min-microvolt = <3300000>;
 102                                 regulator-max-microvolt = <3300000>;
 103                         };
 104                 };
 105         };
 106
 107         touchscreen: tsc2004@4b {
 108                 compatible = "ti,tsc2004";
 109                 reg = <0x4b>;
 110
 111                 vio-supply = <&vdd_io_reg>;
 112
 113                 pinctrl-names = "default";
 114                 pinctrl-0 = <&tsc2004_pins>;
 115                 interrupts-extended = <&gpio3 1 IRQ_TYPE_EDGE_RISING>; /* gpio_65 */
 116
 117                 touchscreen-fuzz-x = <4>;
 118                 touchscreen-fuzz-y = <7>;
 119                 touchscreen-fuzz-pressure = <2>;
 120                 touchscreen-size-x = <480>;
 121                 touchscreen-size-y = <272>;
 122                 touchscreen-max-pressure = <2048>;
 123
 124                 ti,x-plate-ohms = <280>;
 125                 ti,esd-recovery-timeout-ms = <8000>;
 126         };
 127 };
 128
 129 &omap3_pmx_core {
 130
 131         rtc_pins: pinmux_rtc_pins {
 132                 pinctrl-single,pins = <
 133                         OMAP3_CORE1_IOPAD(0x20b6, PIN_INPUT_PULLUP | MUX_MODE4) /* gpmc_ncs4.gpio_55 */
 134                 >;
 135         };
 136
 137         tsc2004_pins: pinmux_tsc2004_pins {
 138                 pinctrl-single,pins = <
 139                         OMAP3_CORE1_IOPAD(0x20d2, PIN_INPUT | MUX_MODE4) /* gpmc_wait3.gpio_65 */
 140                 >;
 141         };
 142 };