diff options
Diffstat (limited to 'arch/arm/boot/dts/imx6qdl-sr-som-ti.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/imx6qdl-sr-som-ti.dtsi | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6qdl-sr-som-ti.dtsi b/arch/arm/boot/dts/imx6qdl-sr-som-ti.dtsi new file mode 100644 index 000000000..44a97ba93 --- /dev/null +++ b/arch/arm/boot/dts/imx6qdl-sr-som-ti.dtsi @@ -0,0 +1,170 @@ +/* + * 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>; + }; +}; |