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author | Russell King <rmk+kernel@armlinux.org.uk> | 2017-11-28 18:02:25 +0300 |
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committer | Shawn Guo <shawnguo@kernel.org> | 2017-12-26 11:15:44 +0300 |
commit | 0ce6fb5a2e269a6e576cb56e086689f3f7c74edd (patch) | |
tree | be46af0d0888d5fa944b512b81a8d3072c163043 /arch/arm/boot/dts/imx6qdl-sr-som-brcm.dtsi | |
parent | 42b769f64a94b468e59c73b5949e8442d7478c4c (diff) | |
download | linux-0ce6fb5a2e269a6e576cb56e086689f3f7c74edd.tar.xz |
ARM: dts: imx6qdl-sr-som: split out Broadcom Wi-Fi support
There are two variants of the imx6qdl som: one with Broadcom Wi-Fi and
another with Texas Instruments Wi-Fi. The two Wi-Fi devices require
different DT bindings, so it's necessary to split out the Broadcom
specifics.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm/boot/dts/imx6qdl-sr-som-brcm.dtsi')
-rw-r--r-- | arch/arm/boot/dts/imx6qdl-sr-som-brcm.dtsi | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6qdl-sr-som-brcm.dtsi b/arch/arm/boot/dts/imx6qdl-sr-som-brcm.dtsi new file mode 100644 index 000000000000..809d7896775c --- /dev/null +++ b/arch/arm/boot/dts/imx6qdl-sr-som-brcm.dtsi @@ -0,0 +1,144 @@ +/* + * 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> +/ { + clk_sdio: sdio-clock { + compatible = "gpio-gate-clock"; + #clock-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_microsom_brcm_osc>; + enable-gpios = <&gpio5 5 GPIO_ACTIVE_HIGH>; + }; + + reg_brcm: brcm-reg { + compatible = "regulator-fixed"; + enable-active-high; + gpio = <&gpio3 19 0>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_microsom_brcm_reg>; + regulator-name = "brcm_reg"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + startup-delay-us = <200000>; + }; + + usdhc1_pwrseq: usdhc1_pwrseq { + compatible = "mmc-pwrseq-simple"; + reset-gpios = <&gpio5 26 GPIO_ACTIVE_LOW>, + <&gpio6 0 GPIO_ACTIVE_LOW>; + clocks = <&clk_sdio>; + clock-names = "ext_clock"; + }; +}; + +&iomuxc { + microsom { + pinctrl_microsom_brcm_bt: microsom-brcm-bt { + fsl,pins = < + MX6QDL_PAD_CSI0_DAT14__GPIO6_IO00 0x40013070 + MX6QDL_PAD_CSI0_DAT15__GPIO6_IO01 0x40013070 + MX6QDL_PAD_CSI0_DAT18__GPIO6_IO04 0x40013070 + >; + }; + + pinctrl_microsom_brcm_osc: microsom-brcm-osc { + fsl,pins = < + MX6QDL_PAD_DISP0_DAT11__GPIO5_IO05 0x40013070 + >; + }; + + pinctrl_microsom_brcm_reg: microsom-brcm-reg { + fsl,pins = < + MX6QDL_PAD_EIM_D19__GPIO3_IO19 0x40013070 + >; + }; + + pinctrl_microsom_brcm_wifi: microsom-brcm-wifi { + fsl,pins = < + MX6QDL_PAD_GPIO_8__XTALOSC_REF_CLK_32K 0x1b0b0 + MX6QDL_PAD_CSI0_DATA_EN__GPIO5_IO20 0x40013070 + MX6QDL_PAD_CSI0_DAT8__GPIO5_IO26 0x40013070 + MX6QDL_PAD_CSI0_DAT9__GPIO5_IO27 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 BRCM Wifi/BT/FM */ +&uart4 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_microsom_brcm_bt &pinctrl_microsom_uart4>; + uart-has-rtscts; + status = "okay"; +}; + +/* USDHC1 - Connected to optional BRCM Wifi/BT/FM */ +&usdhc1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_microsom_brcm_wifi &pinctrl_microsom_usdhc1>; + bus-width = <4>; + mmc-pwrseq = <&usdhc1_pwrseq>; + keep-power-in-suspend; + no-1-8-v; + non-removable; + vmmc-supply = <®_brcm>; + status = "okay"; +}; |