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/ { 44 nvcc_sd1: regulator-nvcc-sd1 { 45 compatible = "regulator-fixed"; 46 regulator-always-on; 47 regulator-name = "nvcc_sd1"; 48 regulator-min-microvolt = <1800000>; 49 regulator-max-microvolt = <1800000>; 50 vin-supply = <&vcc_3v3>; 51 }; 52 53 clk_ti_wifi: ti-wifi-clock { 54 /* This is a hack around the kernel - using "fixed clock" 55 * results in the "pinctrl" properties being ignored, and 56 * the clock not being output. Instead, use a gated clock 57 * and the unrouted WL_XTAL_PU gpio. 58 */ 59 compatible = "gpio-gate-clock"; 60 #clock-cells = <0>; 61 clock-frequency = <32768>; 62 pinctrl-names = "default"; 63 pinctrl-0 = <&pinctrl_microsom_ti_clk>; 64 enable-gpios = <&gpio5 5 GPIO_ACTIVE_HIGH>; 65 }; 66 67 pwrseq_ti_wifi: ti-wifi-pwrseq { 68 compatible = "mmc-pwrseq-simple"; 69 pinctrl-names = "default"; 70 pinctrl-0 = <&pinctrl_microsom_ti_wifi_en>; 71 reset-gpios = <&gpio5 26 GPIO_ACTIVE_LOW>; 72 post-power-on-delay-ms = <200>; 73 clocks = <&clk_ti_wifi>; 74 clock-names = "ext_clock"; 75 }; 76}; 77 78&iomuxc { 79 microsom { 80 pinctrl_microsom_ti_bt: microsom-ti-bt { 81 fsl,pins = < 82 /* BT_EN_SOC */ 83 MX6QDL_PAD_CSI0_DAT14__GPIO6_IO00 0x40013070 84 >; 85 }; 86 87 pinctrl_microsom_ti_clk: microsom-ti-clk { 88 fsl,pins = < 89 /* EXT_32K */ 90 MX6QDL_PAD_GPIO_8__XTALOSC_REF_CLK_32K 0x1b0b0 91 /* WL_XTAL_PU (unrouted) */ 92 MX6QDL_PAD_DISP0_DAT11__GPIO5_IO05 0x40013070 93 >; 94 }; 95 96 pinctrl_microsom_ti_wifi_en: microsom-ti-wifi-en { 97 fsl,pins = < 98 /* WLAN_EN_SOC */ 99 MX6QDL_PAD_CSI0_DAT8__GPIO5_IO26 0x40013070 100 >; 101 }; 102 103 pinctrl_microsom_ti_wifi_irq: microsom-ti-wifi-irq { 104 fsl,pins = < 105 /* WLAN_IRQ */ 106 MX6QDL_PAD_CSI0_DAT18__GPIO6_IO04 0x40013070 107 >; 108 }; 109 110 pinctrl_microsom_uart4: microsom-uart4 { 111 fsl,pins = < 112 MX6QDL_PAD_CSI0_DAT12__UART4_TX_DATA 0x1b0b1 113 MX6QDL_PAD_CSI0_DAT13__UART4_RX_DATA 0x1b0b1 114 MX6QDL_PAD_CSI0_DAT16__UART4_RTS_B 0x1b0b1 115 MX6QDL_PAD_CSI0_DAT17__UART4_CTS_B 0x1b0b1 116 >; 117 }; 118 119 pinctrl_microsom_usdhc1: microsom-usdhc1 { 120 fsl,pins = < 121 MX6QDL_PAD_SD1_CMD__SD1_CMD 0x17059 122 MX6QDL_PAD_SD1_CLK__SD1_CLK 0x10059 123 MX6QDL_PAD_SD1_DAT0__SD1_DATA0 0x17059 124 MX6QDL_PAD_SD1_DAT1__SD1_DATA1 0x17059 125 MX6QDL_PAD_SD1_DAT2__SD1_DATA2 0x17059 126 MX6QDL_PAD_SD1_DAT3__SD1_DATA3 0x17059 127 >; 128 }; 129 }; 130}; 131 132/* UART4 - Connected to optional TI Wi-Fi/BT/FM */ 133&uart4 { 134 pinctrl-names = "default"; 135 pinctrl-0 = <&pinctrl_microsom_uart4>; 136 uart-has-rtscts; 137 status = "okay"; 138 139 bluetooth { 140 compatible = "ti,wl1837-st"; 141 clocks = <&clk_ti_wifi>; 142 clock-names = "ext_clock"; 143 enable-gpios = <&gpio6 0 GPIO_ACTIVE_HIGH>; 144 pinctrl-names = "default"; 145 pinctrl-0 = <&pinctrl_microsom_ti_bt>; 146 }; 147}; 148 149/* USDHC1 - Connected to optional TI Wi-Fi/BT/FM */ 150&usdhc1 { 151 pinctrl-names = "default"; 152 pinctrl-0 = <&pinctrl_microsom_usdhc1>; 153 bus-width = <4>; 154 keep-power-in-suspend; 155 mmc-pwrseq = <&pwrseq_ti_wifi>; 156 cap-power-off-card; 157 non-removable; 158 vmmc-supply = <&vcc_3v3>; 159 /* vqmmc-supply = <&nvcc_sd1>; - MMC layer doesn't like it! */ 160 status = "okay"; 161 #address-cells = <1>; 162 #size-cells = <0>; 163 164 wlcore@2 { 165 compatible = "ti,wl1837"; 166 reg = <2>; 167 interrupts-extended = <&gpio6 4 IRQ_TYPE_LEVEL_HIGH>; 168 pinctrl-names = "default"; 169 pinctrl-0 = <&pinctrl_microsom_ti_wifi_irq>; 170 }; 171}; 172