Baruch Siach | b374912 | 2019-11-10 14:38:06 +0200 | [diff] [blame] | 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>; |
Marcel Ziswiler | 5d4bcee | 2022-07-21 15:27:26 +0200 | [diff] [blame] | 156 | cap-power-off-card; |
Baruch Siach | b374912 | 2019-11-10 14:38:06 +0200 | [diff] [blame] | 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 | }; |