// SPDX-License-Identifier: GPL-2.0+
/*
* Support for Variscite VAR-SOM-MX6 Module
*
* Copyright 2011 Linaro Ltd.
* Copyright 2012 Freescale Semiconductor, Inc.
* Copyright (C) 2014-2016 Variscite, Ltd.
* Author: Donio Ron <[email protected]>
* Copyright 2022 Bootlin
*/
/dts-v1/;
#include "imx6q.dtsi"
#include <dt-bindings/clock/imx6qdl-clock.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/sound/fsl-imx-audmux.h>
/ {
model = "Variscite VAR-SOM-MX6 module";
compatible = "variscite,var-som-imx6q", "fsl,imx6q";
chosen {
stdout-path = &uart1;
};
memory@10000000 {
device_type = "memory";
reg = <0x10000000 0x40000000>;
};
reg_usb_otg_vbus: regulator-usb-otg-vbus {
compatible = "regulator-fixed";
regulator-name = "usb_otg_vbus";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
};
reg_usb_h1_vbus: regulator-usb-h1-vbud {
compatible = "regulator-fixed";
regulator-name = "usb_h1_vbus";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
};
reg_1p8v: regulator-1p8v {
compatible = "regulator-fixed";
regulator-name = "1P8V";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
};
reg_3p3v: regulator-3p3v {
compatible = "regulator-fixed";
regulator-name = "3P3V";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
reg_wl18xx_vmmc: regulator-wl18xx {
compatible = "regulator-fixed";
regulator-name = "vwl1807";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
gpio = <&gpio7 8 GPIO_ACTIVE_HIGH>;
enable-active-high;
startup-delay-us = <70000>;
};
sound: sound {
compatible = "simple-audio-card";
simple-audio-card,name = "var-som-audio";
simple-audio-card,format = "i2s";
simple-audio-card,bitclock-master = <&sound_codec>;
simple-audio-card,frame-master = <&sound_codec>;
simple-audio-card,widgets = "Headphone", "Headphone Jack",
"Line", "Line In", "Microphone", "Mic Jack";
simple-audio-card,routing = "Headphone Jack", "HPLOUT",
"Headphone Jack", "HPROUT",
"LINE1L", "Line In",
"LINE1R", "Line In";
sound_cpu: simple-audio-card,cpu {
sound-dai = <&ssi2>;
};
sound_codec: simple-audio-card,codec {
sound-dai = <&tlv320aic3106>;
clocks = <&clks IMX6QDL_CLK_CKO>;
};
};
rfkill {
compatible = "rfkill-gpio";
name = "rfkill";
radio-type = "bluetooth";
shutdown-gpios = <&gpio6 18 GPIO_ACTIVE_HIGH>;
};
};
&audmux {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_audmux>;
status = "okay";
mux-ssi2 {
fsl,audmux-port = <1>;
fsl,port-config = <
(IMX_AUDMUX_V2_PTCR_SYN |
IMX_AUDMUX_V2_PTCR_TFSDIR |
IMX_AUDMUX_V2_PTCR_TFSEL(2) |
IMX_AUDMUX_V2_PTCR_TCLKDIR |
IMX_AUDMUX_V2_PTCR_TCSEL(2))
IMX_AUDMUX_V2_PDCR_RXDSEL(2)
>;
};
mux-aud3 {
fsl,audmux-port = <2>;
fsl,port-config = <
IMX_AUDMUX_V2_PTCR_SYN
IMX_AUDMUX_V2_PDCR_RXDSEL(1)
>;
};
};
&ecspi3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_ecspi3>;
cs-gpios = <&gpio4 24 GPIO_ACTIVE_LOW>;
status = "okay";
};
&fec {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_enet>;
phy-mode = "rgmii";
phy-handle = <&rgmii_phy>;
status = "okay";
mdio {
#address-cells = <1>;
#size-cells = <0>;
rgmii_phy: ethernet-phy@7 {
reg = <7>;
reset-gpios = <&gpio1 25 GPIO_ACTIVE_LOW>;
reset-assert-us = <10000>;
};
};
};
&gpmi {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_gpmi_nand>;
status = "okay";
};
&i2c2 {
clock-frequency = <100000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c2>;
status = "okay";
pmic@8 {
compatible = "fsl,pfuze100";
reg = <0x08>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pmic>;
regulators {
sw1a_reg: sw1ab {
regulator-min-microvolt = <300000>;
regulator-max-microvolt = <1875000>;
regulator-boot-on;
regulator-always-on;
regulator-ramp-delay = <6250>;
};
sw1c_reg: sw1c {
regulator-min-microvolt = <300000>;
regulator-max-microvolt = <1875000>;
regulator-boot-on;
regulator-always-on;
regulator-ramp-delay = <6250>;
};
sw2_reg: sw2 {
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
sw3a_reg: sw3a {
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3950000>;
regulator-boot-on;
regulator-always-on;
};
sw3b_reg: sw3b {
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3950000>;
regulator-boot-on;
regulator-always-on;
};
sw4_reg: sw4 {
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3950000>;
};
snvs_reg: vsnvs {
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <3000000>;
regulator-boot-on;
regulator-always-on;
};
vref_reg: vrefddr {
regulator-boot-on;
regulator-always-on;
};
vgen1_reg: vgen1 {
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <1550000>;
};
vgen2_reg: vgen2 {
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <1550000>;
};
vgen3_reg: vgen3 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
regulator-boot-on;
};
vgen4_reg: vgen4 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
regulator-boot-on;
};
vgen5_reg: vgen5 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
regulator-boot-on;
};
vgen6_reg: vgen6 {
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
regulator-always-on;
regulator-boot-on;
};
};
};
tlv320aic3106: audio-codec@1b {
compatible = "ti,tlv320aic3106";
reg = <0x1b>;
#sound-dai-cells = <0>;
DRVDD-supply = <®_3p3v>;
AVDD-supply = <®_3p3v>;
IOVDD-supply = <®_3p3v>;
DVDD-supply = <®_1p8v>;
ai3x-ocmv = <0>;
reset-gpios = <&gpio4 5 GPIO_ACTIVE_LOW>;
ai3x-gpio-func = <
0 /* AIC3X_GPIO1_FUNC_DISABLED */
5 /* AIC3X_GPIO2_FUNC_DIGITAL_MIC_INPUT */
>;
};
};
&iomuxc {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_hog>;
pinctrl_audmux: audmuxgrp {
fsl,pins = <
MX6QDL_PAD_CSI0_DAT7__AUD3_RXD 0x130b0
MX6QDL_PAD_CSI0_DAT4__AUD3_TXC 0x130b0
MX6QDL_PAD_CSI0_DAT5__AUD3_TXD 0x110b0
MX6QDL_PAD_CSI0_DAT6__AUD3_TXFS 0x130b0
/* Audio Clock */
MX6QDL_PAD_GPIO_0__CCM_CLKO1 0x130b0
>;
};
pinctrl_bt: btgrp {
fsl,pins = <
/* Bluetooth/wifi enable */
MX6QDL_PAD_SD3_DAT6__GPIO6_IO18 0x1b0b1
/* Wifi Slow Clock */
MX6QDL_PAD_ENET_RXD0__OSC32K_32K_OUT 0x000b0
>;
};
pinctrl_ecspi3: ecspi3grp {
fsl,pins = <
MX6QDL_PAD_DISP0_DAT2__ECSPI3_MISO 0x100b1
MX6QDL_PAD_DISP0_DAT1__ECSPI3_MOSI 0x100b1
MX6QDL_PAD_DISP0_DAT0__ECSPI3_SCLK 0x100b1
>;
};
pinctrl_enet: enetgrp {
fsl,pins = <
MX6QDL_PAD_ENET_MDIO__ENET_MDIO 0x1b0b0
MX6QDL_PAD_ENET_MDC__ENET_MDC 0x1b0b0
MX6QDL_PAD_RGMII_TXC__RGMII_TXC 0x1b0b0
MX6QDL_PAD_RGMII_TD0__RGMII_TD0 0x1b0b0
MX6QDL_PAD_RGMII_TD1__RGMII_TD1 0x1b0b0
MX6QDL_PAD_RGMII_TD2__RGMII_TD2 0x1b0b0
MX6QDL_PAD_RGMII_TD3__RGMII_TD3 0x1b0b0
MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL 0x1b0b0
MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK 0x1b0b0
MX6QDL_PAD_RGMII_RXC__RGMII_RXC 0x1b0b0
MX6QDL_PAD_RGMII_RD0__RGMII_RD0 0x1b0b0
MX6QDL_PAD_RGMII_RD1__RGMII_RD1 0x1b0b0
MX6QDL_PAD_RGMII_RD2__RGMII_RD2 0x1b0b0
MX6QDL_PAD_RGMII_RD3__RGMII_RD3 0x1b0b0
MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL 0x1b0b0
>;
};
pinctrl_enet_irq: enetirqgrp {
fsl,pins = <
MX6QDL_PAD_GPIO_6__ENET_IRQ 0x000b1
>;
};
pinctrl_gpmi_nand: gpminandgrp {
fsl,pins = <
MX6QDL_PAD_NANDF_CLE__NAND_CLE 0xb0b1
MX6QDL_PAD_NANDF_ALE__NAND_ALE 0xb0b1
MX6QDL_PAD_NANDF_CS0__NAND_CE0_B 0xb0b1
MX6QDL_PAD_NANDF_CS1__NAND_CE1_B 0xb0b1
MX6QDL_PAD_NANDF_RB0__NAND_READY_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_CMD__NAND_RE_B 0xb0b1
MX6QDL_PAD_SD4_CLK__NAND_WE_B 0xb0b1
MX6QDL_PAD_NANDF_WP_B__NAND_WP_B 0xb0b1
>;
};
pinctrl_hog: hoggrp {
fsl,pins = <
/* CTW6120 IRQ */
MX6QDL_PAD_EIM_DA7__GPIO3_IO07 0xb0b1
/* SDMMC2 CD/WP */
MX6QDL_PAD_KEY_COL4__GPIO4_IO14 0x1b0b0
MX6QDL_PAD_KEY_ROW4__GPIO4_IO15 0x1b0b0
>;
};
pinctrl_i2c1: i2c1grp {
fsl,pins = <
MX6QDL_PAD_CSI0_DAT8__I2C1_SDA 0x4001b8b1
MX6QDL_PAD_CSI0_DAT9__I2C1_SCL 0x4001b8b1
>;
};
pinctrl_i2c2: i2c2grp {
fsl,pins = <
MX6QDL_PAD_KEY_COL3__I2C2_SCL 0x4001b8b1
MX6QDL_PAD_KEY_ROW3__I2C2_SDA 0x4001b8b1
>;
};
pinctrl_i2c3: i2c3grp {
fsl,pins = <
MX6QDL_PAD_GPIO_5__I2C3_SCL 0x4001b8b1
MX6QDL_PAD_GPIO_16__I2C3_SDA 0x4001b8b1
>;
};
pinctrl_pmic: pmicgrp {
fsl,pins = <
/* PMIC INT */
MX6QDL_PAD_GPIO_17__GPIO7_IO12 0x1b0b0
>;
};
pinctrl_pwm2: pwm2grp {
fsl,pins = <
MX6QDL_PAD_DISP0_DAT9__PWM2_OUT 0x1b0b1
>;
};
pinctrl_uart1: uart1grp {
fsl,pins = <
MX6QDL_PAD_CSI0_DAT10__UART1_TX_DATA 0x1b0b1
MX6QDL_PAD_CSI0_DAT11__UART1_RX_DATA 0x1b0b1
>;
};
pinctrl_uart2: uart2grp {
fsl,pins = <
MX6QDL_PAD_SD3_DAT4__UART2_RX_DATA 0x1b0b1
MX6QDL_PAD_SD3_DAT5__UART2_TX_DATA 0x1b0b1
MX6QDL_PAD_EIM_D28__UART2_CTS_B 0x1b0b1
MX6QDL_PAD_EIM_D29__UART2_RTS_B 0x1b0b1
>;
};
pinctrl_usdhc3: usdhc3grp {
fsl,pins = <
MX6QDL_PAD_SD3_CMD__SD3_CMD 0x17069
MX6QDL_PAD_SD3_CLK__SD3_CLK 0x10069
MX6QDL_PAD_SD3_DAT0__SD3_DATA0 0x17069
MX6QDL_PAD_SD3_DAT1__SD3_DATA1 0x17069
MX6QDL_PAD_SD3_DAT2__SD3_DATA2 0x17069
MX6QDL_PAD_SD3_DAT3__SD3_DATA3 0x17069
/* WL_EN */
MX6QDL_PAD_SD3_DAT7__GPIO6_IO17 0x13059
/* WL_IRQ */
MX6QDL_PAD_SD3_RST__GPIO7_IO08 0x13059
>;
};
pinctrl_usdhc3_100mhz: usdhc3-100mhz-grp {
fsl,pins = <
MX6QDL_PAD_SD3_CMD__SD3_CMD 0x170B9
MX6QDL_PAD_SD3_CLK__SD3_CLK 0x100B9
MX6QDL_PAD_SD3_DAT0__SD3_DATA0 0x170B9
MX6QDL_PAD_SD3_DAT1__SD3_DATA1 0x170B9
MX6QDL_PAD_SD3_DAT3__SD3_DATA3 0x170B9
MX6QDL_PAD_SD3_DAT3__SD3_DATA3 0x170B9
/* WL_EN */
MX6QDL_PAD_SD3_DAT7__GPIO6_IO17 0x130B9
/* WL_IRQ */
MX6QDL_PAD_SD3_RST__GPIO7_IO08 0x130B9
>;
};
pinctrl_usdhc3_200mhz: usdhc3-200mhz-grp {
fsl,pins = <
MX6QDL_PAD_SD3_CMD__SD3_CMD 0x170F9
MX6QDL_PAD_SD3_CLK__SD3_CLK 0x100F9
MX6QDL_PAD_SD3_DAT0__SD3_DATA0 0x170F9
MX6QDL_PAD_SD3_DAT1__SD3_DATA1 0x170F9
MX6QDL_PAD_SD3_DAT2__SD3_DATA2 0x170F9
MX6QDL_PAD_SD3_DAT3__SD3_DATA3 0x170F9
/* WL_EN */
MX6QDL_PAD_SD3_DAT7__GPIO6_IO17 0x130F9
/* WL_IRQ */
MX6QDL_PAD_SD3_RST__GPIO7_IO08 0x130F9
>;
};
};
&pwm2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pwm2>;
status = "okay";
};
®_arm {
vin-supply = <&sw1a_reg>;
};
®_pu {
vin-supply = <&sw1c_reg>;
};
®_soc {
vin-supply = <&sw1c_reg>;
};
®_vdd1p1 {
vin-supply = <&vgen5_reg>;
};
®_vdd2p5 {
vin-supply = <&vgen5_reg>;
};
&snvs_poweroff {
status = "okay";
};
&ssi2 {
status = "okay";
};
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart1>;
status = "okay";
};
&uart2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart2 &pinctrl_bt>;
uart-has-rtscts;
status = "okay";
};
&usbh1 {
vbus-supply = <®_usb_h1_vbus>;
status = "okay";
};
&usbotg {
vbus-supply = <®_usb_otg_vbus>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usbotg_var>;
disable-over-current;
dr_mode = "host";
status = "okay";
};
&usbphy1 {
fsl,tx-d-cal = <0x5>;
};
&usbphy2 {
fsl,tx-d-cal = <0x5>;
};
&usdhc1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usdhc1>;
non-removable;
keep-power-in-suspend;
status = "okay";
};
&usdhc3 {
pinctrl-names = "default", "state_100mhz", "state_200mhz";
pinctrl-0 = <&pinctrl_usdhc3>;
pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
bus-width = <4>;
vmmc-supply = <®_wl18xx_vmmc>;
non-removable;
wakeup-source;
keep-power-in-suspend;
cap-power-off-card;
#address-cells = <1>;
#size-cells = <0>;
status = "okay";
wifi: wifi@2 {
compatible = "ti,wl1835";
reg = <2>;
interrupt-parent = <&gpio6>;
interrupts = <17 IRQ_TYPE_EDGE_RISING>;
ref-clock-frequency = <38400000>;
};
};
Codebase Browser
linux