/*
* 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>;
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>;
};
};
