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alistair23-linux/arch/arm/boot/dts/imx6q-cm-fx6.dts
Christopher Spinrath d8710c3fb9 ARM: dts: imx6q-cm-fx6: add sdio wifi/bt nodes 
The cm-fx6 module has an on-board AW-NH387 WiFi/BT module which is
based on Marvell's SD8787 chip and is connected to the usdhc1
controller.

Unfortunately, the chip gets unresponsive if the Bluetooth AMP
(Alternate Mac/Phy) function gets probed but the loaded firmware
doesn't support it. For instance, this is the case for the most
recent firmware in linux-firmware (Version 14.66.35.p52).

Thus, just add the required nodes but leave the usdhc1 node disabled
explicitly. Users who disabled the Bluetooth (AMP) support of their
OS can then conveniently enable WiFi (or even plain Bluetooth) support
with a simple device tree overlay/bootloader configuration.

Signed-off-by: Christopher Spinrath <christopher.spinrath@rwth-aachen.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2017-06-17 21:17:04 +08:00

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/*
* Copyright 2013 CompuLab Ltd.
*
* Author: Valentin Raevsky <valentin@compulab.co.il>
*
* 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.
*/
/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/sound/fsl-imx-audmux.h>
#include "imx6q.dtsi"
/ {
model = "CompuLab CM-FX6";
compatible = "compulab,cm-fx6", "fsl,imx6q";
memory {
reg = <0x10000000 0x80000000>;
};
leds {
compatible = "gpio-leds";
heartbeat-led {
label = "Heartbeat";
gpios = <&gpio2 31 0>;
linux,default-trigger = "heartbeat";
};
};
awnh387_pwrseq: pwrseq {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pwrseq>;
compatible = "mmc-pwrseq-sd8787";
powerdown-gpios = <&gpio7 12 GPIO_ACTIVE_HIGH>;
reset-gpios = <&gpio6 16 GPIO_ACTIVE_HIGH>;
};
reg_pcie_power_on_gpio: regulator-pcie-power-on-gpio {
compatible = "regulator-fixed";
regulator-name = "regulator-pcie-power-on-gpio";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio2 24 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
reg_usb_h1_vbus: usb_h1_vbus {
compatible = "regulator-fixed";
regulator-name = "usb_h1_vbus";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
gpio = <&gpio7 8 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
reg_usb_otg_vbus: usb_otg_vbus {
compatible = "regulator-fixed";
regulator-name = "usb_otg_vbus";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
sound-analog {
compatible = "simple-audio-card";
simple-audio-card,name = "On-board analog audio";
simple-audio-card,widgets =
"Headphone", "Headphone Jack",
"Line", "Line Out",
"Microphone", "Mic Jack",
"Line", "Line In";
simple-audio-card,routing =
"Headphone Jack", "RHPOUT",
"Headphone Jack", "LHPOUT",
"MICIN", "Mic Bias",
"Mic Bias", "Mic Jack";
simple-audio-card,format = "i2s";
simple-audio-card,bitclock-master = <&sound_master>;
simple-audio-card,frame-master = <&sound_master>;
simple-audio-card,bitclock-inversion;
sound_master: simple-audio-card,cpu {
sound-dai = <&ssi2>;
system-clock-frequency = <2822400>;
};
simple-audio-card,codec {
sound-dai = <&wm8731>;
};
};
sound-spdif {
compatible = "fsl,imx-audio-spdif";
model = "imx-spdif";
spdif-controller = <&spdif>;
spdif-out;
spdif-in;
};
};
&audmux {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_audmux>;
status = "okay";
ssi2 {
fsl,audmux-port = <1>;
fsl,port-config = <
(IMX_AUDMUX_V2_PTCR_RCLKDIR |
IMX_AUDMUX_V2_PTCR_RCSEL(3 | 0x8) |
IMX_AUDMUX_V2_PTCR_TCLKDIR |
IMX_AUDMUX_V2_PTCR_TCSEL(3))
IMX_AUDMUX_V2_PDCR_RXDSEL(3)
>;
};
audmux4 {
fsl,audmux-port = <3>;
fsl,port-config = <
(IMX_AUDMUX_V2_PTCR_TFSDIR |
IMX_AUDMUX_V2_PTCR_TFSEL(1) |
IMX_AUDMUX_V2_PTCR_RCLKDIR |
IMX_AUDMUX_V2_PTCR_RCSEL(1 | 0x8) |
IMX_AUDMUX_V2_PTCR_TCLKDIR |
IMX_AUDMUX_V2_PTCR_TCSEL(1))
IMX_AUDMUX_V2_PDCR_RXDSEL(1)
>;
};
};
&cpu0 {
/*
* Although the imx6q fuse indicates that 1.2GHz operation is possible,
* the module behaves unstable at this frequency. Hence, remove the
* 1.2GHz operation point here.
*/
operating-points = <
/* kHz uV */
996000 1250000
852000 1250000
792000 1175000
396000 975000
>;
fsl,soc-operating-points = <
/* ARM kHz SOC-PU uV */
996000 1250000
852000 1250000
792000 1175000
396000 1175000
>;
};
&ecspi1 {
cs-gpios = <&gpio2 30 GPIO_ACTIVE_HIGH>, <&gpio3 19 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_ecspi1>;
status = "okay";
m25p80@0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "st,m25p", "jedec,spi-nor";
spi-max-frequency = <20000000>;
reg = <0>;
};
};
&fec {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_enet>;
phy-mode = "rgmii";
status = "okay";
};
&gpmi {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_gpmi_nand>;
status = "okay";
};
&i2c3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c3>;
status = "okay";
clock-frequency = <100000>;
eeprom@50 {
compatible = "atmel,24c02";
reg = <0x50>;
pagesize = <16>;
};
wm8731: codec@1a {
#sound-dai-cells = <0>;
compatible = "wlf,wm8731";
reg = <0x1a>;
};
};
&iomuxc {
pinctrl_audmux: audmuxgrp {
fsl,pins = <
MX6QDL_PAD_SD2_CMD__AUD4_RXC 0x17059
MX6QDL_PAD_SD2_DAT0__AUD4_RXD 0x17059
MX6QDL_PAD_SD2_DAT3__AUD4_TXC 0x17059
MX6QDL_PAD_SD2_DAT2__AUD4_TXD 0x17059
MX6QDL_PAD_SD2_DAT1__AUD4_TXFS 0x17059
>;
};
pinctrl_ecspi1: ecspi1grp {
fsl,pins = <
MX6QDL_PAD_EIM_D16__ECSPI1_SCLK 0x100b1
MX6QDL_PAD_EIM_D17__ECSPI1_MISO 0x100b1
MX6QDL_PAD_EIM_D18__ECSPI1_MOSI 0x100b1
MX6QDL_PAD_EIM_EB2__GPIO2_IO30 0x100b1
MX6QDL_PAD_EIM_D19__GPIO3_IO19 0x100b1
>;
};
pinctrl_enet: enetgrp {
fsl,pins = <
MX6QDL_PAD_RGMII_RXC__RGMII_RXC 0x1b030
MX6QDL_PAD_RGMII_RD0__RGMII_RD0 0x1b030
MX6QDL_PAD_RGMII_RD1__RGMII_RD1 0x1b030
MX6QDL_PAD_RGMII_RD2__RGMII_RD2 0x1b030
MX6QDL_PAD_RGMII_RD3__RGMII_RD3 0x1b030
MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL 0x1b030
MX6QDL_PAD_RGMII_TXC__RGMII_TXC 0x1b030
MX6QDL_PAD_RGMII_TD0__RGMII_TD0 0x1b030
MX6QDL_PAD_RGMII_TD1__RGMII_TD1 0x1b030
MX6QDL_PAD_RGMII_TD2__RGMII_TD2 0x1b030
MX6QDL_PAD_RGMII_TD3__RGMII_TD3 0x1b030
MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL 0x1b030
MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK 0x1b0b0
MX6QDL_PAD_ENET_MDIO__ENET_MDIO 0x1b0b0
MX6QDL_PAD_ENET_MDC__ENET_MDC 0x1b0b0
>;
};
pinctrl_gpmi_nand: gpminandgrp {
fsl,pins = <
MX6QDL_PAD_NANDF_CLE__NAND_CLE 0xb0b1
MX6QDL_PAD_NANDF_ALE__NAND_ALE 0xb0b1
MX6QDL_PAD_NANDF_WP_B__NAND_WP_B 0xb0b1
MX6QDL_PAD_NANDF_RB0__NAND_READY_B 0xb000
MX6QDL_PAD_NANDF_CS0__NAND_CE0_B 0xb0b1
MX6QDL_PAD_NANDF_CS1__NAND_CE1_B 0xb0b1
MX6QDL_PAD_SD4_CMD__NAND_RE_B 0xb0b1
MX6QDL_PAD_SD4_CLK__NAND_WE_B 0xb0b1
MX6QDL_PAD_NANDF_D0__NAND_DATA00 0xb0b1
MX6QDL_PAD_NANDF_D1__NAND_DATA01 0xb0b1
MX6QDL_PAD_NANDF_D2__NAND_DATA02 0xb0b1
MX6QDL_PAD_NANDF_D3__NAND_DATA03 0xb0b1
MX6QDL_PAD_NANDF_D4__NAND_DATA04 0xb0b1
MX6QDL_PAD_NANDF_D5__NAND_DATA05 0xb0b1
MX6QDL_PAD_NANDF_D6__NAND_DATA06 0xb0b1
MX6QDL_PAD_NANDF_D7__NAND_DATA07 0xb0b1
MX6QDL_PAD_SD4_DAT0__NAND_DQS 0x00b1
>;
};
pinctrl_i2c3: i2c3grp {
fsl,pins = <
MX6QDL_PAD_GPIO_3__I2C3_SCL 0x4001b8b1
MX6QDL_PAD_GPIO_6__I2C3_SDA 0x4001b8b1
>;
};
pinctrl_pcie: pciegrp {
fsl,pins = <
MX6QDL_PAD_ENET_RXD1__GPIO1_IO26 0x1b0b1
MX6QDL_PAD_EIM_CS1__GPIO2_IO24 0x1b0b1
>;
};
pinctrl_pwrseq: pwrseqgrp {
fsl,pins = <
MX6QDL_PAD_GPIO_17__GPIO7_IO12 0x1b0b0
MX6QDL_PAD_NANDF_CS3__GPIO6_IO16 0x1b0b0
>;
};
pinctrl_spdif: spdifgrp {
fsl,pins = <
MX6QDL_PAD_GPIO_16__SPDIF_IN 0x1b0b0
MX6QDL_PAD_GPIO_19__SPDIF_OUT 0x1b0b0
>;
};
pinctrl_uart4: uart4grp {
fsl,pins = <
MX6QDL_PAD_KEY_COL0__UART4_TX_DATA 0x1b0b1
MX6QDL_PAD_KEY_ROW0__UART4_RX_DATA 0x1b0b1
>;
};
pinctrl_usbh1: usbh1grp {
fsl,pins = <
MX6QDL_PAD_SD3_RST__GPIO7_IO08 0x1b0b1
>;
};
pinctrl_usbotg: usbotggrp {
fsl,pins = <
MX6QDL_PAD_ENET_RX_ER__USB_OTG_ID 0x17059
MX6QDL_PAD_EIM_D22__GPIO3_IO22 0x130b0
>;
};
pinctrl_usdhc1: usdhc1grp {
fsl,pins = <
MX6QDL_PAD_SD1_CMD__SD1_CMD 0x17071
MX6QDL_PAD_SD1_CLK__SD1_CLK 0x10071
MX6QDL_PAD_SD1_DAT0__SD1_DATA0 0x17071
MX6QDL_PAD_SD1_DAT1__SD1_DATA1 0x17071
MX6QDL_PAD_SD1_DAT2__SD1_DATA2 0x17071
MX6QDL_PAD_SD1_DAT3__SD1_DATA3 0x17071
>;
};
};
&pcie {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pcie>;
reset-gpio = <&gpio1 26 GPIO_ACTIVE_LOW>;
vdd-supply = <&reg_pcie_power_on_gpio>;
status = "okay";
};
&sata {
status = "okay";
};
&snvs_poweroff {
status = "okay";
};
&spdif {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_spdif>;
status = "okay";
};
&ssi2 {
assigned-clocks = <&clks IMX6QDL_CLK_SSI2_SEL>,
<&clks IMX6QDL_CLK_PLL4_AUDIO_DIV>;
assigned-clock-parents = <&clks IMX6QDL_CLK_PLL4_AUDIO_DIV>;
assigned-clock-rates = <0>, <786432000>;
status = "okay";
};
&uart4 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart4>;
status = "okay";
};
&usbh1 {
vbus-supply = <&reg_usb_h1_vbus>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usbh1>;
status = "okay";
};
&usbotg {
vbus-supply = <&reg_usb_otg_vbus>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usbotg>;
dr_mode = "otg";
status = "okay";
};
&usdhc1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usdhc1>;
mmc-pwrseq = <&awnh387_pwrseq>;
non-removable;
/*
* If the OS probes the Bluetooth AMP function advertised on this bus
* but the firmware in place does not support it, the WiFi/BT module
* gets unresponsive.
* Users who configured their OS properly can enable this node to gain
* WiFi and/or plain Bluetooth support.
*/
status = "disabled";
};
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