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// SPDX-License-Identifier: GPL-2.0+
/*
* Support for Variscite VAR-SOM-MX6UL Module
*
* Copyright 2019 Variscite Ltd.
* Copyright 2025 Bootlin
*/
/dts-v1/;
#include "imx6ul.dtsi"
#include <dt-bindings/clock/imx6ul-clock.h>
#include <dt-bindings/gpio/gpio.h>
/ {
model = "Variscite VAR-SOM-MX6UL module";
compatible = "variscite,var-som-imx6ul", "fsl,imx6ul";
memory@80000000 {
device_type = "memory";
reg = <0x80000000 0x20000000>;
};
reg_gpio_dvfs: reg-gpio-dvfs {
compatible = "regulator-gpio";
regulator-min-microvolt = <1300000>;
regulator-max-microvolt = <1400000>;
regulator-name = "gpio_dvfs";
regulator-type = "voltage";
gpios = <&gpio4 13 GPIO_ACTIVE_HIGH>;
states = <1300000 0x1
1400000 0x0>;
};
rmii_ref_clk: rmii-ref-clk {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <25000000>;
clock-output-names = "rmii-ref";
};
};
&clks {
assigned-clocks = <&clks IMX6UL_CLK_PLL4_AUDIO_DIV>;
assigned-clock-rates = <786432000>;
};
&cpu0 {
dc-supply = <®_gpio_dvfs>;
};
&fec1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_enet1>, <&pinctrl_enet1_gpio>, <&pinctrl_enet1_mdio>;
phy-mode = "rmii";
phy-handle = <ðphy0>;
status = "okay";
mdio {
#address-cells = <1>;
#size-cells = <0>;
ethphy0: ethernet-phy@1 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <1>;
clocks = <&rmii_ref_clk>;
clock-names = "rmii-ref";
reset-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
reset-assert-us = <100000>;
micrel,led-mode = <1>;
micrel,rmii-reference-clock-select-25-mhz = <1>;
};
};
};
&iomuxc {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_hog>;
pinctrl_enet1: enet1grp {
fsl,pins = <
MX6UL_PAD_ENET1_RX_EN__ENET1_RX_EN 0x1b0b0
MX6UL_PAD_ENET1_RX_ER__ENET1_RX_ER 0x1b0b0
MX6UL_PAD_ENET1_RX_DATA0__ENET1_RDATA00 0x1b0b0
MX6UL_PAD_ENET1_RX_DATA1__ENET1_RDATA01 0x1b0b0
MX6UL_PAD_ENET1_TX_EN__ENET1_TX_EN 0x1b0b0
MX6UL_PAD_ENET1_TX_DATA0__ENET1_TDATA00 0x1b0b0
MX6UL_PAD_ENET1_TX_DATA1__ENET1_TDATA01 0x1b0b0
MX6UL_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 0x4001b031
>;
};
pinctrl_enet1_gpio: enet1-gpiogrp {
fsl,pins = <
MX6UL_PAD_SNVS_TAMPER0__GPIO5_IO00 0x1b0b0 /* fec1 reset */
>;
};
pinctrl_enet1_mdio: enet1-mdiogrp {
fsl,pins = <
MX6UL_PAD_GPIO1_IO06__ENET1_MDIO 0x1b0b0
MX6UL_PAD_GPIO1_IO07__ENET1_MDC 0x1b0b0
>;
};
pinctrl_hog: hoggrp {
fsl,pins = <
MX6UL_PAD_SNVS_TAMPER4__GPIO5_IO04 0x1b0b0 /* BT Enable */
MX6UL_PAD_SNVS_TAMPER6__GPIO5_IO06 0x03029 /* WLAN Enable */
>;
};
pinctrl_sai2: sai2grp {
fsl,pins = <
MX6UL_PAD_JTAG_TDI__SAI2_TX_BCLK 0x17088
MX6UL_PAD_JTAG_TDO__SAI2_TX_SYNC 0x17088
MX6UL_PAD_JTAG_TRST_B__SAI2_TX_DATA 0x11088
MX6UL_PAD_JTAG_TCK__SAI2_RX_DATA 0x11088
MX6UL_PAD_JTAG_TMS__SAI2_MCLK 0x17088
>;
};
pinctrl_tsc: tscgrp {
fsl,pins = <
MX6UL_PAD_GPIO1_IO01__GPIO1_IO01 0xb0
MX6UL_PAD_GPIO1_IO02__GPIO1_IO02 0xb0
MX6UL_PAD_GPIO1_IO03__GPIO1_IO03 0xb0
MX6UL_PAD_GPIO1_IO04__GPIO1_IO04 0xb0
>;
};
pinctrl_uart2: uart2grp {
fsl,pins = <
MX6UL_PAD_UART2_TX_DATA__UART2_DCE_TX 0x1b0b1
MX6UL_PAD_UART2_RX_DATA__UART2_DCE_RX 0x1b0b1
MX6UL_PAD_UART2_CTS_B__UART2_DCE_CTS 0x1b0b1
MX6UL_PAD_UART2_RTS_B__UART2_DCE_RTS 0x1b0b1
>;
};
pinctrl_usdhc2: usdhc2grp {
fsl,pins = <
MX6UL_PAD_NAND_RE_B__USDHC2_CLK 0x10069
MX6UL_PAD_NAND_WE_B__USDHC2_CMD 0x17059
MX6UL_PAD_NAND_DATA00__USDHC2_DATA0 0x17059
MX6UL_PAD_NAND_DATA01__USDHC2_DATA1 0x17059
MX6UL_PAD_NAND_DATA02__USDHC2_DATA2 0x17059
MX6UL_PAD_NAND_DATA03__USDHC2_DATA3 0x17059
MX6UL_PAD_NAND_DATA04__USDHC2_DATA4 0x17059
MX6UL_PAD_NAND_DATA05__USDHC2_DATA5 0x17059
MX6UL_PAD_NAND_DATA06__USDHC2_DATA6 0x17059
MX6UL_PAD_NAND_DATA07__USDHC2_DATA7 0x17059
>;
};
pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
fsl,pins = <
MX6UL_PAD_NAND_RE_B__USDHC2_CLK 0x100b9
MX6UL_PAD_NAND_WE_B__USDHC2_CMD 0x170b9
MX6UL_PAD_NAND_DATA00__USDHC2_DATA0 0x170b9
MX6UL_PAD_NAND_DATA01__USDHC2_DATA1 0x170b9
MX6UL_PAD_NAND_DATA02__USDHC2_DATA2 0x170b9
MX6UL_PAD_NAND_DATA03__USDHC2_DATA3 0x170b9
MX6UL_PAD_NAND_DATA04__USDHC2_DATA4 0x170b9
MX6UL_PAD_NAND_DATA05__USDHC2_DATA5 0x170b9
MX6UL_PAD_NAND_DATA06__USDHC2_DATA6 0x170b9
MX6UL_PAD_NAND_DATA07__USDHC2_DATA7 0x170b9
>;
};
pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
fsl,pins = <
MX6UL_PAD_NAND_RE_B__USDHC2_CLK 0x100f9
MX6UL_PAD_NAND_WE_B__USDHC2_CMD 0x170f9
MX6UL_PAD_NAND_DATA00__USDHC2_DATA0 0x170f9
MX6UL_PAD_NAND_DATA01__USDHC2_DATA1 0x170f9
MX6UL_PAD_NAND_DATA02__USDHC2_DATA2 0x170f9
MX6UL_PAD_NAND_DATA03__USDHC2_DATA3 0x170f9
MX6UL_PAD_NAND_DATA04__USDHC2_DATA4 0x170f9
MX6UL_PAD_NAND_DATA05__USDHC2_DATA5 0x170f9
MX6UL_PAD_NAND_DATA06__USDHC2_DATA6 0x170f9
MX6UL_PAD_NAND_DATA07__USDHC2_DATA7 0x170f9
>;
};
};
&pxp {
status = "okay";
};
&sai2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sai2>;
assigned-clocks = <&clks IMX6UL_CLK_SAI2_SEL>,
<&clks IMX6UL_CLK_SAI2>;
assigned-clock-parents = <&clks IMX6UL_CLK_PLL4_AUDIO_DIV>;
assigned-clock-rates = <0>, <12288000>;
fsl,sai-mclk-direction-output;
status = "okay";
};
&snvs_poweroff {
status = "okay";
};
&tsc {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_tsc>;
xnur-gpios = <&gpio1 3 GPIO_ACTIVE_LOW>;
measure-delay-time = <0xffff>;
pre-charge-time = <0xfff>;
status = "okay";
};
&uart2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart2>;
uart-has-rtscts;
status = "okay";
};
&usdhc2 {
pinctrl-names = "default", "state_100mhz", "state_200mhz";
pinctrl-0 = <&pinctrl_usdhc2>;
pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
bus-width = <8>;
no-1-8-v;
non-removable;
keep-power-in-suspend;
wakeup-source;
status = "okay";
};
|
