0001 /*
0002 * Copyright (C) 2013,2014 Russell King
0003 *
0004 * This file is dual-licensed: you can use it either under the terms
0005 * of the GPL or the X11 license, at your option. Note that this dual
0006 * licensing only applies to this file, and not this project as a
0007 * whole.
0008 *
0009 * a) This file is free software; you can redistribute it and/or
0010 * modify it under the terms of the GNU General Public License
0011 * version 2 as published by the Free Software Foundation.
0012 *
0013 * This file is distributed in the hope that it will be useful,
0014 * but WITHOUT ANY WARRANTY; without even the implied warranty of
0015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
0016 * GNU General Public License for more details.
0017 *
0018 * Or, alternatively,
0019 *
0020 * b) Permission is hereby granted, free of charge, to any person
0021 * obtaining a copy of this software and associated documentation
0022 * files (the "Software"), to deal in the Software without
0023 * restriction, including without limitation the rights to use,
0024 * copy, modify, merge, publish, distribute, sublicense, and/or
0025 * sell copies of the Software, and to permit persons to whom the
0026 * Software is furnished to do so, subject to the following
0027 * conditions:
0028 *
0029 * The above copyright notice and this permission notice shall be
0030 * included in all copies or substantial portions of the Software.
0031 *
0032 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
0033 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
0034 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
0035 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
0036 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
0037 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
0038 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0039 * OTHER DEALINGS IN THE SOFTWARE.
0040 */
0041 #include <dt-bindings/gpio/gpio.h>
0042 / {
0043 clk_brcm: brcm-clock {
0044 compatible = "gpio-gate-clock";
0045 #clock-cells = <0>;
0046 pinctrl-names = "default";
0047 pinctrl-0 = <&pinctrl_microsom_brcm_osc>;
0048 enable-gpios = <&gpio5 5 GPIO_ACTIVE_HIGH>;
0049 };
0050
0051 reg_brcm: brcm-reg {
0052 compatible = "regulator-fixed";
0053 enable-active-high;
0054 gpio = <&gpio3 19 0>;
0055 pinctrl-names = "default";
0056 pinctrl-0 = <&pinctrl_microsom_brcm_reg>;
0057 regulator-name = "brcm_reg";
0058 regulator-min-microvolt = <3300000>;
0059 regulator-max-microvolt = <3300000>;
0060 startup-delay-us = <200000>;
0061 };
0062
0063 usdhc1_pwrseq: usdhc1_pwrseq {
0064 compatible = "mmc-pwrseq-simple";
0065 reset-gpios = <&gpio5 26 GPIO_ACTIVE_LOW>,
0066 <&gpio6 0 GPIO_ACTIVE_LOW>;
0067 clocks = <&clk_brcm>;
0068 clock-names = "ext_clock";
0069 };
0070 };
0071
0072 &iomuxc {
0073 microsom {
0074 pinctrl_microsom_brcm_bt: microsom-brcm-bt {
0075 fsl,pins = <
0076 MX6QDL_PAD_CSI0_DAT14__GPIO6_IO00 0x40013070
0077 MX6QDL_PAD_CSI0_DAT15__GPIO6_IO01 0x40013070
0078 MX6QDL_PAD_CSI0_DAT18__GPIO6_IO04 0x40013070
0079 >;
0080 };
0081
0082 pinctrl_microsom_brcm_osc: microsom-brcm-osc {
0083 fsl,pins = <
0084 MX6QDL_PAD_DISP0_DAT11__GPIO5_IO05 0x40013070
0085 >;
0086 };
0087
0088 pinctrl_microsom_brcm_reg: microsom-brcm-reg {
0089 fsl,pins = <
0090 MX6QDL_PAD_EIM_D19__GPIO3_IO19 0x40013070
0091 >;
0092 };
0093
0094 pinctrl_microsom_brcm_wifi: microsom-brcm-wifi {
0095 fsl,pins = <
0096 MX6QDL_PAD_GPIO_8__XTALOSC_REF_CLK_32K 0x1b0b0
0097 MX6QDL_PAD_CSI0_DATA_EN__GPIO5_IO20 0x40013070
0098 MX6QDL_PAD_CSI0_DAT8__GPIO5_IO26 0x40013070
0099 MX6QDL_PAD_CSI0_DAT9__GPIO5_IO27 0x40013070
0100 >;
0101 };
0102
0103 pinctrl_microsom_uart4: microsom-uart4 {
0104 fsl,pins = <
0105 MX6QDL_PAD_CSI0_DAT12__UART4_TX_DATA 0x1b0b1
0106 MX6QDL_PAD_CSI0_DAT13__UART4_RX_DATA 0x1b0b1
0107 MX6QDL_PAD_CSI0_DAT16__UART4_RTS_B 0x1b0b1
0108 MX6QDL_PAD_CSI0_DAT17__UART4_CTS_B 0x1b0b1
0109 >;
0110 };
0111
0112 pinctrl_microsom_usdhc1: microsom-usdhc1 {
0113 fsl,pins = <
0114 MX6QDL_PAD_SD1_CMD__SD1_CMD 0x17059
0115 MX6QDL_PAD_SD1_CLK__SD1_CLK 0x10059
0116 MX6QDL_PAD_SD1_DAT0__SD1_DATA0 0x17059
0117 MX6QDL_PAD_SD1_DAT1__SD1_DATA1 0x17059
0118 MX6QDL_PAD_SD1_DAT2__SD1_DATA2 0x17059
0119 MX6QDL_PAD_SD1_DAT3__SD1_DATA3 0x17059
0120 >;
0121 };
0122 };
0123 };
0124
0125 /* UART4 - Connected to optional BRCM Wifi/BT/FM */
0126 &uart4 {
0127 pinctrl-names = "default";
0128 pinctrl-0 = <&pinctrl_microsom_brcm_bt &pinctrl_microsom_uart4>;
0129 uart-has-rtscts;
0130 status = "okay";
0131 };
0132
0133 /* USDHC1 - Connected to optional BRCM Wifi/BT/FM */
0134 &usdhc1 {
0135 pinctrl-names = "default";
0136 pinctrl-0 = <&pinctrl_microsom_brcm_wifi &pinctrl_microsom_usdhc1>;
0137 bus-width = <4>;
0138 mmc-pwrseq = <&usdhc1_pwrseq>;
0139 keep-power-in-suspend;
0140 no-1-8-v;
0141 non-removable;
0142 vmmc-supply = <®_brcm>;
0143 status = "okay";
0144 };
