arch/arm/boot/dts/imx6qdl-microsom.dtsi

   1 /*
   2  * Copyright (C) 2013,2014 Russell King
   3  *
   4  * This file is dual-licensed: you can use it either under the terms
   5  * of the GPL or the X11 license, at your option. Note that this dual
   6  * licensing only applies to this file, and not this project as a
   7  * whole.
   8  *
   9  *  a) This file is free software; you can redistribute it and/or
  10  *     modify it under the terms of the GNU General Public License as
  11  *     published by the Free Software Foundation; either version 2 of the
  12  *     License.
  13  *
  14  *     This file is distributed in the hope that it will be useful
  15  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *     GNU General Public License for more details.
  18  *
  19  * Or, alternatively
  20  *
  21  *  b) Permission is hereby granted, free of charge, to any person
  22  *     obtaining a copy of this software and associated documentation
  23  *     files (the "Software"), to deal in the Software without
  24  *     restriction, including without limitation the rights to use
  25  *     copy, modify, merge, publish, distribute, sublicense, and/or
  26  *     sell copies of the Software, and to permit persons to whom the
  27  *     Software is furnished to do so, subject to the following
  28  *     conditions:
  29  *
  30  *     The above copyright notice and this permission notice shall be
  31  *     included in all copies or substantial portions of the Software.
  32  *
  33  *     THE SOFTWARE IS PROVIDED , WITHOUT WARRANTY OF ANY KIND
  34  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  35  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  36  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  37  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY
  38  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  39  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  40  *     OTHER DEALINGS IN THE SOFTWARE.
  41  */
  42 #include <dt-bindings/gpio/gpio.h>
  43 / {
  44         clk_sdio: sdio-clock {
  45                 compatible = "gpio-gate-clock";
  46                 #clock-cells = <0>;
  47                 pinctrl-names = "default";
  48                 pinctrl-0 = <&pinctrl_microsom_brcm_osc>;
  49                 enable-gpios = <&gpio5 5 GPIO_ACTIVE_HIGH>;
  50         };
  51
  52         regulators {
  53                 compatible = "simple-bus";
  54
  55                 reg_brcm: brcm-reg {
  56                         compatible = "regulator-fixed";
  57                         enable-active-high;
  58                         gpio = <&gpio3 19 0>;
  59                         pinctrl-names = "default";
  60                         pinctrl-0 = <&pinctrl_microsom_brcm_reg>;
  61                         regulator-name = "brcm_reg";
  62                         regulator-min-microvolt = <3300000>;
  63                         regulator-max-microvolt = <3300000>;
  64                         startup-delay-us = <200000>;
  65                 };
  66         };
  67
  68         usdhc1_pwrseq: usdhc1_pwrseq {
  69                 compatible = "mmc-pwrseq-simple";
  70                 reset-gpios = <&gpio5 26 GPIO_ACTIVE_LOW>,
  71                               <&gpio6 0 GPIO_ACTIVE_LOW>;
  72                 clocks = <&clk_sdio>;
  73                 clock-names = "ext_clock";
  74         };
  75 };
  76
  77 &iomuxc {
  78         microsom {
  79                 pinctrl_microsom_brcm_bt: microsom-brcm-bt {
  80                         fsl,pins = <
  81                                 MX6QDL_PAD_CSI0_DAT14__GPIO6_IO00       0x40013070
  82                                 MX6QDL_PAD_CSI0_DAT15__GPIO6_IO01       0x40013070
  83                                 MX6QDL_PAD_CSI0_DAT18__GPIO6_IO04       0x40013070
  84                         >;
  85                 };
  86
  87                 pinctrl_microsom_brcm_osc: microsom-brcm-osc {
  88                         fsl,pins = <
  89                                 MX6QDL_PAD_DISP0_DAT11__GPIO5_IO05      0x40013070
  90                         >;
  91                 };
  92
  93                 pinctrl_microsom_brcm_reg: microsom-brcm-reg {
  94                         fsl,pins = <
  95                                 MX6QDL_PAD_EIM_D19__GPIO3_IO19          0x40013070
  96                         >;
  97                 };
  98
  99                 pinctrl_microsom_brcm_wifi: microsom-brcm-wifi {
 100                         fsl,pins = <
 101                                 MX6QDL_PAD_GPIO_8__XTALOSC_REF_CLK_32K  0x1b0b0
 102                                 MX6QDL_PAD_CSI0_DATA_EN__GPIO5_IO20     0x40013070
 103                                 MX6QDL_PAD_CSI0_DAT8__GPIO5_IO26        0x40013070
 104                                 MX6QDL_PAD_CSI0_DAT9__GPIO5_IO27        0x40013070
 105                         >;
 106                 };
 107
 108                 pinctrl_microsom_uart1: microsom-uart1 {
 109                         fsl,pins = <
 110                                 MX6QDL_PAD_CSI0_DAT10__UART1_TX_DATA    0x1b0b1
 111                                 MX6QDL_PAD_CSI0_DAT11__UART1_RX_DATA    0x1b0b1
 112                         >;
 113                 };
 114
 115                 pinctrl_microsom_uart4: microsom-uart4 {
 116                         fsl,pins = <
 117                                 MX6QDL_PAD_CSI0_DAT12__UART4_TX_DATA 0x1b0b1
 118                                 MX6QDL_PAD_CSI0_DAT13__UART4_RX_DATA 0x1b0b1
 119                                 MX6QDL_PAD_CSI0_DAT16__UART4_RTS_B 0x1b0b1
 120                                 MX6QDL_PAD_CSI0_DAT17__UART4_CTS_B 0x1b0b1
 121                         >;
 122                 };
 123
 124                 pinctrl_microsom_usdhc1: microsom-usdhc1 {
 125                         fsl,pins = <
 126                                 MX6QDL_PAD_SD1_CMD__SD1_CMD    0x17059
 127                                 MX6QDL_PAD_SD1_CLK__SD1_CLK    0x10059
 128                                 MX6QDL_PAD_SD1_DAT0__SD1_DATA0 0x17059
 129                                 MX6QDL_PAD_SD1_DAT1__SD1_DATA1 0x17059
 130                                 MX6QDL_PAD_SD1_DAT2__SD1_DATA2 0x17059
 131                                 MX6QDL_PAD_SD1_DAT3__SD1_DATA3 0x17059
 132                         >;
 133                 };
 134         };
 135 };
 136
 137 &uart1 {
 138         pinctrl-names = "default";
 139         pinctrl-0 = <&pinctrl_microsom_uart1>;
 140         status = "okay";
 141 };
 142
 143 /* UART4 - Connected to optional BRCM Wifi/BT/FM */
 144 &uart4 {
 145         pinctrl-names = "default";
 146         pinctrl-0 = <&pinctrl_microsom_brcm_bt &pinctrl_microsom_uart4>;
 147         fsl,uart-has-rtscts;
 148         status = "okay";
 149 };
 150
 151 /* USDHC1 - Connected to optional BRCM Wifi/BT/FM */
 152 &usdhc1 {
 153         pinctrl-names = "default";
 154         pinctrl-0 = <&pinctrl_microsom_brcm_wifi &pinctrl_microsom_usdhc1>;
 155         bus-width = <4>;
 156         mmc-pwrseq = <&usdhc1_pwrseq>;
 157         keep-power-in-suspend;
 158         non-removable;
 159         vmmc-supply = <&reg_brcm>;
 160         status = "okay";
 161 };