FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/imx6qdl-sr-som-ti.dtsi

     /*
      * Copyright (C) 2013,2014 Russell King
      *
      * This file is dual-licensed: you can use it either under the terms
      * of the GPL or the X11 license, at your option. Note that this dual
      * licensing only applies to this file, and not this project as a
      * whole.
      *
      *  a) This file is free software; you can redistribute it and/or
     *     modify it under the terms of the GNU General Public License
     *     version 2 as published by the Free Software Foundation.
     *
     *     This file is distributed in the hope that it will be useful,
     *     but WITHOUT ANY WARRANTY; without even the implied warranty of
     *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     *     GNU General Public License for more details.
     *
     * Or, alternatively,
     *
     *  b) Permission is hereby granted, free of charge, to any person
     *     obtaining a copy of this software and associated documentation
     *     files (the "Software"), to deal in the Software without
     *     restriction, including without limitation the rights to use,
     *     copy, modify, merge, publish, distribute, sublicense, and/or
     *     sell copies of the Software, and to permit persons to whom the
     *     Software is furnished to do so, subject to the following
     *     conditions:
     *
     *     The above copyright notice and this permission notice shall be
     *     included in all copies or substantial portions of the Software.
     *
     *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
     *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
     *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
     *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     *     OTHER DEALINGS IN THE SOFTWARE.
     */
    #include <dt-bindings/gpio/gpio.h>
    
    / {
            nvcc_sd1: regulator-nvcc-sd1 {
                    compatible = "regulator-fixed";
                    regulator-always-on;
                    regulator-name = "nvcc_sd1";
                    regulator-min-microvolt = <1800000>;
                    regulator-max-microvolt = <1800000>;
                    vin-supply = <&vcc_3v3>;
            };
    
            clk_ti_wifi: ti-wifi-clock {
                    /* This is a hack around the kernel - using "fixed clock"
                     * results in the "pinctrl" properties being ignored, and
                     * the clock not being output.  Instead, use a gated clock
                     * and the unrouted WL_XTAL_PU gpio.
                     */
                    compatible = "gpio-gate-clock";
                    #clock-cells = <0>;
                    clock-frequency = <32768>;
                    pinctrl-names = "default";
                    pinctrl-0 = <&pinctrl_microsom_ti_clk>;
                    enable-gpios = <&gpio5 5 GPIO_ACTIVE_HIGH>;
            };
    
            pwrseq_ti_wifi: ti-wifi-pwrseq {
                    compatible = "mmc-pwrseq-simple";
                    pinctrl-names = "default";
                    pinctrl-0 = <&pinctrl_microsom_ti_wifi_en>;
                    reset-gpios = <&gpio5 26 GPIO_ACTIVE_LOW>;
                    post-power-on-delay-ms = <200>;
                    clocks = <&clk_ti_wifi>;
                    clock-names = "ext_clock";
            };
    };
    
    &iomuxc {
            microsom {
                    pinctrl_microsom_ti_bt: microsom-ti-bt {
                            fsl,pins = <
                                    /* BT_EN_SOC */
                                    MX6QDL_PAD_CSI0_DAT14__GPIO6_IO00       0x40013070
                            >;
                    };
    
                    pinctrl_microsom_ti_clk: microsom-ti-clk {
                            fsl,pins = <
                                    /* EXT_32K */
                                    MX6QDL_PAD_GPIO_8__XTALOSC_REF_CLK_32K  0x1b0b0
                                    /* WL_XTAL_PU (unrouted) */
                                    MX6QDL_PAD_DISP0_DAT11__GPIO5_IO05 0x40013070
                            >;
                    };
    
                    pinctrl_microsom_ti_wifi_en: microsom-ti-wifi-en {
                            fsl,pins = <
                                    /* WLAN_EN_SOC */
                                    MX6QDL_PAD_CSI0_DAT8__GPIO5_IO26        0x40013070
                           >;
                   };
   
                   pinctrl_microsom_ti_wifi_irq: microsom-ti-wifi-irq {
                           fsl,pins = <
                                   /* WLAN_IRQ */
                                   MX6QDL_PAD_CSI0_DAT18__GPIO6_IO04       0x40013070
                           >;
                   };
   
                   pinctrl_microsom_uart4: microsom-uart4 {
                           fsl,pins = <
                                   MX6QDL_PAD_CSI0_DAT12__UART4_TX_DATA 0x1b0b1
                                   MX6QDL_PAD_CSI0_DAT13__UART4_RX_DATA 0x1b0b1
                                   MX6QDL_PAD_CSI0_DAT16__UART4_RTS_B 0x1b0b1
                                   MX6QDL_PAD_CSI0_DAT17__UART4_CTS_B 0x1b0b1
                           >;
                   };
   
                   pinctrl_microsom_usdhc1: microsom-usdhc1 {
                           fsl,pins = <
                                   MX6QDL_PAD_SD1_CMD__SD1_CMD    0x17059
                                   MX6QDL_PAD_SD1_CLK__SD1_CLK    0x10059
                                   MX6QDL_PAD_SD1_DAT0__SD1_DATA0 0x17059
                                   MX6QDL_PAD_SD1_DAT1__SD1_DATA1 0x17059
                                   MX6QDL_PAD_SD1_DAT2__SD1_DATA2 0x17059
                                   MX6QDL_PAD_SD1_DAT3__SD1_DATA3 0x17059
                           >;
                   };
           };
   };
   
   /* UART4 - Connected to optional TI Wi-Fi/BT/FM */
   &uart4 {
           pinctrl-names = "default";
           pinctrl-0 = <&pinctrl_microsom_uart4>;
           uart-has-rtscts;
           status = "okay";
   
           bluetooth {
                   compatible = "ti,wl1837-st";
                   clocks = <&clk_ti_wifi>;
                   clock-names = "ext_clock";
                   enable-gpios = <&gpio6 0 GPIO_ACTIVE_HIGH>;
                   pinctrl-names = "default";
                   pinctrl-0 = <&pinctrl_microsom_ti_bt>;
           };
   };
   
   /* USDHC1 - Connected to optional TI Wi-Fi/BT/FM */
   &usdhc1 {
           pinctrl-names = "default";
           pinctrl-0 = <&pinctrl_microsom_usdhc1>;
           bus-width = <4>;
           keep-power-in-suspend;
           mmc-pwrseq = <&pwrseq_ti_wifi>;
           cap-power-off-card;
           non-removable;
           vmmc-supply = <&vcc_3v3>;
           /* vqmmc-supply = <&nvcc_sd1>; - MMC layer doesn't like it! */
           status = "okay";
           #address-cells = <1>;
           #size-cells = <0>;
   
           wlcore@2 {
                   compatible = "ti,wl1837";
                   reg = <2>;
                   interrupts-extended = <&gpio6 4 IRQ_TYPE_LEVEL_HIGH>;
                   pinctrl-names = "default";
                   pinctrl-0 = <&pinctrl_microsom_ti_wifi_irq>;
           };
   };

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