arch/arm/boot/dts/imx6qdl-sr-som-brcm.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
  11  *     version 2 as published by the Free Software Foundation.
  12  *
  13  *     This file is distributed in the hope that it will be useful,
  14  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *     GNU General Public License for more details.
  17  *
  18  * Or, alternatively,
  19  *
  20  *  b) Permission is hereby granted, free of charge, to any person
  21  *     obtaining a copy of this software and associated documentation
  22  *     files (the "Software"), to deal in the Software without
  23  *     restriction, including without limitation the rights to use,
  24  *     copy, modify, merge, publish, distribute, sublicense, and/or
  25  *     sell copies of the Software, and to permit persons to whom the
  26  *     Software is furnished to do so, subject to the following
  27  *     conditions:
  28  *
  29  *     The above copyright notice and this permission notice shall be
  30  *     included in all copies or substantial portions of the Software.
  31  *
  32  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  33  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  34  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  35  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  36  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  37  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  38  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  39  *     OTHER DEALINGS IN THE SOFTWARE.
  40  */
  41 #include <dt-bindings/gpio/gpio.h>
  42 / {
  43         clk_brcm: brcm-clock {
  44                 compatible = "gpio-gate-clock";
  45                 #clock-cells = <0>;
  46                 pinctrl-names = "default";
  47                 pinctrl-0 = <&pinctrl_microsom_brcm_osc>;
  48                 enable-gpios = <&gpio5 5 GPIO_ACTIVE_HIGH>;
  49         };
  50
  51         reg_brcm: brcm-reg {
  52                 compatible = "regulator-fixed";
  53                 enable-active-high;
  54                 gpio = <&gpio3 19 0>;
  55                 pinctrl-names = "default";
  56                 pinctrl-0 = <&pinctrl_microsom_brcm_reg>;
  57                 regulator-name = "brcm_reg";
  58                 regulator-min-microvolt = <3300000>;
  59                 regulator-max-microvolt = <3300000>;
  60                 startup-delay-us = <200000>;
  61         };
  62
  63         usdhc1_pwrseq: usdhc1_pwrseq {
  64                 compatible = "mmc-pwrseq-simple";
  65                 reset-gpios = <&gpio5 26 GPIO_ACTIVE_LOW>,
  66                               <&gpio6 0 GPIO_ACTIVE_LOW>;
  67                 clocks = <&clk_brcm>;
  68                 clock-names = "ext_clock";
  69         };
  70 };
  71
  72 &iomuxc {
  73         microsom {
  74                 pinctrl_microsom_brcm_bt: microsom-brcm-bt {
  75                         fsl,pins = <
  76                                 MX6QDL_PAD_CSI0_DAT14__GPIO6_IO00       0x40013070
  77                                 MX6QDL_PAD_CSI0_DAT15__GPIO6_IO01       0x40013070
  78                                 MX6QDL_PAD_CSI0_DAT18__GPIO6_IO04       0x40013070
  79                         >;
  80                 };
  81
  82                 pinctrl_microsom_brcm_osc: microsom-brcm-osc {
  83                         fsl,pins = <
  84                                 MX6QDL_PAD_DISP0_DAT11__GPIO5_IO05      0x40013070
  85                         >;
  86                 };
  87
  88                 pinctrl_microsom_brcm_reg: microsom-brcm-reg {
  89                         fsl,pins = <
  90                                 MX6QDL_PAD_EIM_D19__GPIO3_IO19          0x40013070
  91                         >;
  92                 };
  93
  94                 pinctrl_microsom_brcm_wifi: microsom-brcm-wifi {
  95                         fsl,pins = <
  96                                 MX6QDL_PAD_GPIO_8__XTALOSC_REF_CLK_32K  0x1b0b0
  97                                 MX6QDL_PAD_CSI0_DATA_EN__GPIO5_IO20     0x40013070
  98                                 MX6QDL_PAD_CSI0_DAT8__GPIO5_IO26        0x40013070
  99                                 MX6QDL_PAD_CSI0_DAT9__GPIO5_IO27        0x40013070
 100                         >;
 101                 };
 102
 103                 pinctrl_microsom_uart4: microsom-uart4 {
 104                         fsl,pins = <
 105                                 MX6QDL_PAD_CSI0_DAT12__UART4_TX_DATA 0x1b0b1
 106                                 MX6QDL_PAD_CSI0_DAT13__UART4_RX_DATA 0x1b0b1
 107                                 MX6QDL_PAD_CSI0_DAT16__UART4_RTS_B 0x1b0b1
 108                                 MX6QDL_PAD_CSI0_DAT17__UART4_CTS_B 0x1b0b1
 109                         >;
 110                 };
 111
 112                 pinctrl_microsom_usdhc1: microsom-usdhc1 {
 113                         fsl,pins = <
 114                                 MX6QDL_PAD_SD1_CMD__SD1_CMD    0x17059
 115                                 MX6QDL_PAD_SD1_CLK__SD1_CLK    0x10059
 116                                 MX6QDL_PAD_SD1_DAT0__SD1_DATA0 0x17059
 117                                 MX6QDL_PAD_SD1_DAT1__SD1_DATA1 0x17059
 118                                 MX6QDL_PAD_SD1_DAT2__SD1_DATA2 0x17059
 119                                 MX6QDL_PAD_SD1_DAT3__SD1_DATA3 0x17059
 120                         >;
 121                 };
 122         };
 123 };
 124
 125 /* UART4 - Connected to optional BRCM Wifi/BT/FM */
 126 &uart4 {
 127         pinctrl-names = "default";
 128         pinctrl-0 = <&pinctrl_microsom_brcm_bt &pinctrl_microsom_uart4>;
 129         uart-has-rtscts;
 130         status = "okay";
 131 };
 132
 133 /* USDHC1 - Connected to optional BRCM Wifi/BT/FM */
 134 &usdhc1 {
 135         pinctrl-names = "default";
 136         pinctrl-0 = <&pinctrl_microsom_brcm_wifi &pinctrl_microsom_usdhc1>;
 137         bus-width = <4>;
 138         mmc-pwrseq = <&usdhc1_pwrseq>;
 139         keep-power-in-suspend;
 140         no-1-8-v;
 141         non-removable;
 142         vmmc-supply = <&reg_brcm>;
 143         status = "okay";
 144 };