Re: [PATCH 5/7] arm64: dts: freescale: add initial tree for TQMa8MQNL with i.MX8MN

From: Shawn Guo
Date: Thu Oct 14 2021 - 22:41:30 EST

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On Wed, Oct 06, 2021 at 03:23:07PM +0200, Alexander Stein wrote:
> This adds support for TQMa8MQNL module on MBa8Mx board.
>
> Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/freescale/Makefile | 1 +
> .../dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts | 283 ++++++++++++++
> .../boot/dts/freescale/imx8mn-tqma8mqnl.dtsi | 345 ++++++++++++++++++
> 3 files changed, 629 insertions(+)
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl.dtsi
>
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index 032588e83f12..ed166e6d20f6 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -48,6 +48,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw7902.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mn-beacon-kit.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mn-evk.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mn-ddr4-evk.dtb
> +dtb-$(CONFIG_ARCH_MXC) += imx8mn-tqma8mqnl-mba8mx.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mn-var-som-symphony.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mn-venice-gw7902.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-evk.dtb
> diff --git a/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts b/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts
> new file mode 100644
> index 000000000000..3733f79b29cf
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts
> @@ -0,0 +1,283 @@
> +// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
> +/*
> + * Copyright 2020-2021 TQ-Systems GmbH
> + */
> +
> +/dts-v1/;
> +
> +#include "imx8mn-tqma8mqnl.dtsi"
> +#include "mba8mx.dtsi"
> +
> +/ {
> + model = "TQ-Systems GmbH i.MX8MN TQMa8MxNL on MBa8Mx";
> + compatible = "tq,imx8mn-tqma8mqnl-mba8mx", "tq,imx8mn-tqma8mqnl", "fsl,imx8mn";
> +
> + aliases {
> + eeprom0 = &eeprom3;
> + mmc0 = &usdhc3;
> + mmc1 = &usdhc2;
> + mmc2 = &usdhc1;
> + rtc0 = &pcf85063;
> + rtc1 = &snvs_rtc;
> + };
> +
> + reg_usdhc2_vmmc: regulator-vmmc {
> + compatible = "regulator-fixed";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_reg_usdhc2_vmmc>;
> + regulator-name = "VSD_3V3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + startup-delay-us = <100>;
> + off-on-delay-us = <12000>;
> + };
> +};
> +
> +&codec {
> + clock-names = "mclk";
> + clocks = <&clk IMX8MN_CLK_SAI3_ROOT>;

One level indent is enough.

> +};
> +
> +/* Located on TQMa8MxML-ADAP */
> +&gpio2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usb0hub_sel>;
> +
> + sel-usb-hub-hog {
> + gpio-hog;
> + gpios = <1 GPIO_ACTIVE_HIGH>;
> + output-high;
> + };
> +};
> +
> +&i2c1 {
> + expander2: gpio@27 {
> + compatible = "nxp,pca9555";
> + reg = <0x27>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + vcc-supply = <&reg_vcc_3v3>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_expander2>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + };
> +};
> +
> +&sai3 {
> + assigned-clocks = <&clk IMX8MN_CLK_SAI3>;
> + assigned-clock-parents = <&clk IMX8MN_AUDIO_PLL1_OUT>;
> + clock-names = "bus", "mclk0", "mclk1", "mclk2", "mclk3", "pll8k", "pll11k";
> + clocks = <&clk IMX8MN_CLK_SAI3_IPG>, <&clk IMX8MN_CLK_DUMMY>,
> + <&clk IMX8MN_CLK_SAI3_ROOT>, <&clk IMX8MN_CLK_DUMMY>,
> + <&clk IMX8MN_CLK_DUMMY>, <&clk IMX8MN_AUDIO_PLL1_OUT>,
> + <&clk IMX8MN_AUDIO_PLL2_OUT>;
> +};
> +
> +&usbotg1 {
> + dr_mode = "host";
> + disable-over-current;
> + power-active-high;
> + status = "okay";
> +};
> +
> +&iomuxc {
> + pinctrl_ecspi1: ecspi1grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_ECSPI1_SCLK_ECSPI1_SCLK 0x00000146
> + MX8MN_IOMUXC_ECSPI1_MOSI_ECSPI1_MOSI 0x00000146
> + MX8MN_IOMUXC_ECSPI1_MISO_ECSPI1_MISO 0x00000146
> + MX8MN_IOMUXC_ECSPI1_SS0_GPIO5_IO9 0x00000146
> + >;
> + };
> +
> + pinctrl_ecspi2: ecspi2grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_ECSPI2_SCLK_ECSPI2_SCLK 0x00000146
> + MX8MN_IOMUXC_ECSPI2_MOSI_ECSPI2_MOSI 0x00000146
> + MX8MN_IOMUXC_ECSPI2_MISO_ECSPI2_MISO 0x00000146
> + MX8MN_IOMUXC_ECSPI2_SS0_GPIO5_IO13 0x00000146
> + >;
> + };
> +
> + pinctrl_expander2: expander2grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_GPIO1_IO09_GPIO1_IO9 0x94
> + >;
> + };
> +
> + pinctrl_fec1: fec1grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_ENET_MDC_ENET1_MDC 0x40000002
> + MX8MN_IOMUXC_ENET_MDIO_ENET1_MDIO 0x40000002
> + MX8MN_IOMUXC_ENET_TD3_ENET1_RGMII_TD3 0x14
> + MX8MN_IOMUXC_ENET_TD2_ENET1_RGMII_TD2 0x14
> + MX8MN_IOMUXC_ENET_TD1_ENET1_RGMII_TD1 0x14
> + MX8MN_IOMUXC_ENET_TD0_ENET1_RGMII_TD0 0x14
> + MX8MN_IOMUXC_ENET_RD3_ENET1_RGMII_RD3 0x90
> + MX8MN_IOMUXC_ENET_RD2_ENET1_RGMII_RD2 0x90
> + MX8MN_IOMUXC_ENET_RD1_ENET1_RGMII_RD1 0x90
> + MX8MN_IOMUXC_ENET_RD0_ENET1_RGMII_RD0 0x90
> + MX8MN_IOMUXC_ENET_TXC_ENET1_RGMII_TXC 0x14
> + MX8MN_IOMUXC_ENET_RXC_ENET1_RGMII_RXC 0x90
> + MX8MN_IOMUXC_ENET_RX_CTL_ENET1_RGMII_RX_CTL 0x90
> + MX8MN_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL 0x14
> + >;
> + };
> +
> + pinctrl_gpiobutton: gpiobuttongrp {
> + fsl,pins = <
> + MX8MN_IOMUXC_GPIO1_IO05_GPIO1_IO5 0x84
> + MX8MN_IOMUXC_GPIO1_IO07_GPIO1_IO7 0x84
> + MX8MN_IOMUXC_SD1_CLK_GPIO2_IO0 0x84
> + >;
> + };
> +
> + pinctrl_gpioled: gpioledgrp {
> + fsl,pins = <
> + MX8MN_IOMUXC_GPIO1_IO00_GPIO1_IO0 0x84
> + MX8MN_IOMUXC_NAND_DQS_GPIO3_IO14 0x84
> + >;
> + };
> +
> + pinctrl_i2c2: i2c2grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_I2C2_SCL_I2C2_SCL 0x400001C4
> + MX8MN_IOMUXC_I2C2_SDA_I2C2_SDA 0x400001C4
> + >;
> + };
> +
> + pinctrl_i2c2_gpio: i2c2gpiogrp {
> + fsl,pins = <
> + MX8MN_IOMUXC_I2C2_SCL_GPIO5_IO16 0x400001C4
> + MX8MN_IOMUXC_I2C2_SDA_GPIO5_IO17 0x400001C4
> + >;
> + };
> +
> + pinctrl_i2c3: i2c3grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_I2C3_SCL_I2C3_SCL 0x400001C4
> + MX8MN_IOMUXC_I2C3_SDA_I2C3_SDA 0x400001C4
> + >;
> + };
> +
> + pinctrl_i2c3_gpio: i2c3gpiogrp {
> + fsl,pins = <
> + MX8MN_IOMUXC_I2C3_SCL_GPIO5_IO18 0x400001C4
> + MX8MN_IOMUXC_I2C3_SDA_GPIO5_IO19 0x400001C4
> + >;
> + };
> +
> + pinctrl_pwm3: pwm3grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_GPIO1_IO14_PWM3_OUT 0x14
> + >;
> + };
> +
> + pinctrl_pwm4: pwm4grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_GPIO1_IO15_PWM4_OUT 0x14
> + >;
> + };
> +
> + pinctrl_sai3: sai3grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_SAI3_MCLK_SAI3_MCLK 0x94
> + MX8MN_IOMUXC_SAI3_RXC_SAI3_RX_BCLK 0x94
> + MX8MN_IOMUXC_SAI3_RXFS_SAI3_RX_SYNC 0x94
> + MX8MN_IOMUXC_SAI3_RXD_SAI3_RX_DATA0 0x94
> + MX8MN_IOMUXC_SAI3_TXFS_SAI3_TX_SYNC 0x94
> + MX8MN_IOMUXC_SAI3_TXD_SAI3_TX_DATA0 0x94
> + MX8MN_IOMUXC_SAI3_TXC_SAI3_TX_BCLK 0x94
> + >;
> + };
> +
> + pinctrl_uart1: uart1grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_UART1_RXD_UART1_DCE_RX 0x16
> + MX8MN_IOMUXC_UART1_TXD_UART1_DCE_TX 0x16
> + >;
> + };
> +
> + pinctrl_uart2: uart2grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_UART2_RXD_UART2_DCE_RX 0x16
> + MX8MN_IOMUXC_UART2_TXD_UART2_DCE_TX 0x16
> + >;
> + };
> +
> + pinctrl_uart3: uart3grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_UART3_RXD_UART3_DCE_RX 0x16
> + MX8MN_IOMUXC_UART3_TXD_UART3_DCE_TX 0x16
> + >;
> + };
> +
> + pinctrl_uart4: uart4grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_UART4_RXD_UART4_DCE_RX 0x16
> + MX8MN_IOMUXC_UART4_TXD_UART4_DCE_TX 0x16
> + >;
> + };
> +
> + pinctrl_usb0hub_sel: usb0hub_sel {

Doesn't match 'grp$' pattern.

> + fsl,pins = <
> + /* SEL_USB_HUB_B */
> + MX8MN_IOMUXC_SD1_CMD_GPIO2_IO1 0x84
> + >;
> + };
> +
> + pinctrl_usbotg: usbotggrp {
> + fsl,pins = <
> + MX8MN_IOMUXC_GPIO1_IO12_USB1_OTG_PWR 0x84
> + MX8MN_IOMUXC_GPIO1_IO13_USB1_OTG_OC 0x84
> + MX8MN_IOMUXC_GPIO1_IO10_USB1_OTG_ID 0x1C4
> + >;
> + };
> +
> + pinctrl_usdhc2: usdhc2grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK 0x1d4
> + MX8MN_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d4
> + MX8MN_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d4
> + MX8MN_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d4
> + MX8MN_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d4
> + MX8MN_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d4
> + MX8MN_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0x84
> + >;
> + };
> +
> + pinctrl_usdhc2_100mhz: usdhc2grp100mhz {
> + fsl,pins = <
> + MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK 0x1d4
> + MX8MN_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d4
> + MX8MN_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d4
> + MX8MN_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d4
> + MX8MN_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d4
> + MX8MN_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d4
> + MX8MN_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0x84
> + >;
> + };
> +
> + pinctrl_usdhc2_200mhz: usdhc2grp200mhz {
> + fsl,pins = <
> + MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK 0x1d4
> + MX8MN_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d4
> + MX8MN_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d4
> + MX8MN_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d4
> + MX8MN_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d4
> + MX8MN_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d4
> + MX8MN_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0x84
> + >;
> + };
> +
> + pinctrl_usdhc2_gpio: usdhc2grpgpio {
> + fsl,pins = <
> + MX8MN_IOMUXC_SD2_CD_B_GPIO2_IO12 0x84
> + >;
> + };
> +};
> diff --git a/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl.dtsi
> new file mode 100644
> index 000000000000..ab474529d66f
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl.dtsi
> @@ -0,0 +1,345 @@
> +// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
> +/*
> + * Copyright 2020-2021 TQ-Systems GmbH
> + */
> +
> +#include "imx8mn.dtsi"
> +
> +/ {
> + model = "TQ-Systems i.MX8MN TQMa8MxNL";
> + compatible = "tq,imx8mn-tqma8mqnl", "fsl,imx8mn";
> +
> + chosen {
> + };

Really needed?

> +
> + memory@40000000 {
> + device_type = "memory";
> + /* our minimum RAM config will be 1024 MiB */
> + reg = <0x00000000 0x40000000 0 0x40000000>;
> + };
> +
> + /* e-MMC IO, needed for HS modes */
> + reg_vcc1v8: regulator-vcc1v8 {
> + compatible = "regulator-fixed";
> + regulator-name = "TQMA8MXNL_VCC1V8";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;

always-on is meaningless for a fixed regulator that doesn't have any
on/off control.

Shawn

> + };
> +
> + reg_vcc3v3: regulator-vcc3v3 {
> + compatible = "regulator-fixed";
> + regulator-name = "TQMA8MXNL_VCC3V3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +
> + reserved-memory {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + /* global autoconfigured region for contiguous allocations */
> + linux,cma {
> + compatible = "shared-dma-pool";
> + reusable;
> + /* 640 MiB */
> + size = <0 0x28000000>;
> + /* 1024 - 128 MiB, our minimum RAM config will be 1024 MiB */
> + alloc-ranges = <0 0x40000000 0 0x78000000>;
> + linux,cma-default;
> + };
> + };
> +};
> +
> +&A53_0 {
> + cpu-supply = <&buck2_reg>;
> +};
> +
> +&flexspi {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_flexspi>;
> + status = "okay";
> +
> + flash0: flash@0 {
> + compatible = "jedec,spi-nor";
> + reg = <0>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + spi-max-frequency = <84000000>;
> + spi-tx-bus-width = <4>;
> + spi-rx-bus-width = <4>;
> + };
> +};
> +
> +&i2c1 {
> + clock-frequency = <100000>;
> + pinctrl-names = "default", "gpio";
> + pinctrl-0 = <&pinctrl_i2c1>;
> + pinctrl-1 = <&pinctrl_i2c1_gpio>;
> + scl-gpios = <&gpio5 14 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
> + sda-gpios = <&gpio5 15 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
> + status = "okay";
> +
> + sensor0: temperature-sensor-eeprom@1b {
> + compatible = "nxp,se97", "jedec,jc-42.4-temp";
> + reg = <0x1b>;
> + };
> +
> + pca9450: pmic@25 {
> + compatible = "nxp,pca9450a";
> + reg = <0x25>;
> +
> + /* PMIC PCA9450 PMIC_nINT GPIO1_IO08 */
> + pinctrl-0 = <&pinctrl_pmic>;
> + pinctrl-names = "default";
> + interrupt-parent = <&gpio1>;
> + interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
> +
> + regulators {
> + /* V_0V85_SOC: 0.85 .. 0.95 */
> + buck1_reg: BUCK1 {
> + regulator-name = "BUCK1";
> + regulator-min-microvolt = <850000>;
> + regulator-max-microvolt = <950000>;
> + regulator-boot-on;
> + regulator-always-on;
> + regulator-ramp-delay = <3125>;
> + };
> +
> + /* VDD_ARM */
> + buck2_reg: BUCK2 {
> + regulator-name = "BUCK2";
> + regulator-min-microvolt = <850000>;
> + regulator-max-microvolt = <1000000>;
> + regulator-boot-on;
> + regulator-always-on;
> + nxp,dvs-run-voltage = <950000>;
> + nxp,dvs-standby-voltage = <850000>;
> + regulator-ramp-delay = <3125>;
> + };
> +
> + /* V_0V85_GPU / DRAM: shall be equal to BUCK1 for i.MX8MN */
> + buck3_reg: BUCK3 {
> + regulator-name = "BUCK3";
> + regulator-min-microvolt = <850000>;
> + regulator-max-microvolt = <950000>;
> + regulator-boot-on;
> + regulator-always-on;
> + regulator-ramp-delay = <3125>;
> + };
> +
> + /* VCC3V3 -> VMMC, ... must not be changed */
> + buck4_reg: BUCK4 {
> + regulator-name = "BUCK4";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + /* V_1V8 -> VQMMC, SPI-NOR, ... must not be changed */
> + buck5_reg: BUCK5 {
> + regulator-name = "BUCK5";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + /* V_1V1 -> RAM, ... must not be changed */
> + buck6_reg: BUCK6 {
> + regulator-name = "BUCK6";
> + regulator-min-microvolt = <1100000>;
> + regulator-max-microvolt = <1100000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + /* V_1V8_SNVS */
> + ldo1_reg: LDO1 {
> + regulator-name = "LDO1";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + /* V_0V8_SNVS */
> + ldo2_reg: LDO2 {
> + regulator-name = "LDO2";
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <850000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + /* V_1V8_ANA */
> + ldo3_reg: LDO3 {
> + regulator-name = "LDO3";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + /* V_0V9_MIPI */
> + ldo4_reg: LDO4 {
> + regulator-name = "LDO4";
> + regulator-min-microvolt = <900000>;
> + regulator-max-microvolt = <900000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + /* VCC SD IO - switched using SD2 VSELECT */
> + ldo5_reg: LDO5 {
> + regulator-name = "LDO5";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + };
> + };
> + };
> +
> + pcf85063: rtc@51 {
> + compatible = "nxp,pcf85063a";
> + reg = <0x51>;
> + quartz-load-femtofarads = <7000>;
> + };
> +
> + eeprom1: eeprom@53 {
> + compatible = "nxp,se97b", "atmel,24c02";
> + read-only;
> + reg = <0x53>;
> + pagesize = <16>;
> + };
> +
> + eeprom0: eeprom@57 {
> + compatible = "atmel,24c64";
> + reg = <0x57>;
> + pagesize = <32>;
> + };
> +};
> +
> +&usdhc3 {
> + pinctrl-names = "default", "state_100mhz", "state_200mhz";
> + pinctrl-0 = <&pinctrl_usdhc3>;
> + pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
> + pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
> + bus-width = <8>;
> + non-removable;
> + no-sd;
> + no-sdio;
> + vmmc-supply = <&reg_vcc3v3>;
> + vqmmc-supply = <&reg_vcc1v8>;
> + status = "okay";
> +};
> +
> +/*
> + * Attention:
> + * wdog reset is routed to PMIC, PMIC must be preconfigured to force POR
> + * without LDO for SNVS. GPIO1_IO02 must not be used as GPIO.
> + */
> +&wdog1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_wdog>;
> + fsl,ext-reset-output;
> + status = "okay";
> +};
> +
> +&iomuxc {
> + pinctrl_flexspi: flexspigrp {
> + fsl,pins = <
> + MX8MN_IOMUXC_NAND_ALE_QSPI_A_SCLK 0x84
> + MX8MN_IOMUXC_NAND_CE0_B_QSPI_A_SS0_B 0x84
> + MX8MN_IOMUXC_NAND_DATA00_QSPI_A_DATA0 0x84
> + MX8MN_IOMUXC_NAND_DATA01_QSPI_A_DATA1 0x84
> + MX8MN_IOMUXC_NAND_DATA02_QSPI_A_DATA2 0x84
> + MX8MN_IOMUXC_NAND_DATA03_QSPI_A_DATA3 0x84
> + >;
> + };
> +
> + pinctrl_i2c1: i2c1grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_I2C1_SCL_I2C1_SCL 0x400001c4
> + MX8MN_IOMUXC_I2C1_SDA_I2C1_SDA 0x400001c4
> + >;
> + };
> +
> + pinctrl_i2c1_gpio: i2c1gpiogrp {
> + fsl,pins = <
> + MX8MN_IOMUXC_I2C1_SCL_GPIO5_IO14 0x400001c4
> + MX8MN_IOMUXC_I2C1_SDA_GPIO5_IO15 0x400001c4
> + >;
> + };
> +
> + pinctrl_pmic: pmicgrp {
> + fsl,pins = <
> + MX8MN_IOMUXC_GPIO1_IO08_GPIO1_IO8 0x84
> + >;
> + };
> +
> + pinctrl_reg_usdhc2_vmmc: regusdhc2vmmc {
> + fsl,pins = <
> + MX8MN_IOMUXC_SD2_RESET_B_GPIO2_IO19 0x84
> + >;
> + };
> +
> + pinctrl_usdhc3: usdhc3grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK 0x1d4
> + MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d2
> + MX8MN_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d4
> + MX8MN_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d4
> + MX8MN_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d4
> + MX8MN_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d4
> + MX8MN_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d4
> + MX8MN_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d4
> + MX8MN_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d4
> + MX8MN_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d4
> + MX8MN_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x84
> + MX8MN_IOMUXC_NAND_READY_B_USDHC3_RESET_B 0x84
> + >;
> + };
> +
> + pinctrl_usdhc3_100mhz: usdhc3grp100mhz {
> + fsl,pins = <
> + MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK 0x1d2
> + MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d2
> + MX8MN_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d4
> + MX8MN_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d4
> + MX8MN_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d4
> + MX8MN_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d4
> + MX8MN_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d4
> + MX8MN_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d4
> + MX8MN_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d4
> + MX8MN_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d4
> + MX8MN_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x84
> + MX8MN_IOMUXC_NAND_READY_B_USDHC3_RESET_B 0x84
> + >;
> + };
> +
> + pinctrl_usdhc3_200mhz: usdhc3grp200mhz {
> + fsl,pins = <
> + MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK 0x1d6
> + MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d2
> + MX8MN_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d4
> + MX8MN_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d4
> + MX8MN_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d4
> + MX8MN_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d4
> + MX8MN_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d4
> + MX8MN_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d4
> + MX8MN_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d4
> + MX8MN_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d4
> + MX8MN_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x84
> + MX8MN_IOMUXC_NAND_READY_B_USDHC3_RESET_B 0x84
> + >;
> + };
> +
> + pinctrl_wdog: wdoggrp {
> + fsl,pins = <
> + MX8MN_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0x84
> + >;
> + };
> +};
> --
> 2.25.1
>

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