[PATCH v2 3/3] arm64: dts: Add device tree for the Debix Model A Board
Laurent Pinchart
laurent.pinchart at ideasonboard.com
Mon Oct 10 07:18:32 PDT 2022
Hi Dan,
Thank you for the patch.
On Mon, Oct 10, 2022 at 02:31:46PM +0100, Daniel Scally wrote:
> Add a device tree file describing the Debix Model A board from
> Polyhex Technology Co.
>
> Signed-off-by: Daniel Scally <dan.scally at ideasonboard.com>
> ---
> Changes in v2:
>
> - Fixed the interrupt flag for i2c1/pmic at 25
> - Fixed the node name for i2c4/rtc at 51 (was "hym8563 at 51")
> - Fixed a group control name that didn't match the bindings pattern
> - Re-compared the rest of the DT with the EVK's .dts file to try to
> make sure it complies with the way things should be, hopefully without
> missing anything...
>
> arch/arm64/boot/dts/freescale/Makefile | 1 +
> .../dts/freescale/imx8mp-debix-model-a.dts | 550 ++++++++++++++++++
> 2 files changed, 551 insertions(+)
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-debix-model-a.dts
>
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index 8bf7f7ecebaa..6a33a08946ac 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -80,6 +80,7 @@ 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-$(CONFIG_ARCH_MXC) += imx8mp-debix-model-a.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-dhcom-pdk2.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-evk.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-icore-mx8mp-edimm2.2.dtb
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-debix-model-a.dts b/arch/arm64/boot/dts/freescale/imx8mp-debix-model-a.dts
> new file mode 100644
> index 000000000000..71c0fbfef180
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-debix-model-a.dts
> @@ -0,0 +1,550 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright 2019 NXP
Not entirely sure about this one.
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/leds/common.h>
> +#include <dt-bindings/usb/pd.h>
> +
> +#include "imx8mp.dtsi"
> +
> +/ {
> + model = "Polyhex Debix Model A (2GB) i.MX8MPlus board";
s/(2GB) //
> + compatible = "polyhex,imx8mp-debix-model-a", "fsl,imx8mp";
> +
> + chosen {
> + stdout-path = &uart2;
> + };
> +
> + gpio-leds {
> + compatible = "gpio-leds";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_gpio_led>;
> +
> + status-led {
> + function = LED_FUNCTION_POWER;
> + color = <LED_COLOR_ID_RED>;
> + gpios = <&gpio3 16 GPIO_ACTIVE_HIGH>;
> + default-state = "on";
> + };
> + };
> +
> + reg_usdhc2_vmmc: regulator-usdhc2 {
> + 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;
> + };
> +};
> +
> +&A53_0 {
> + cpu-supply = <&buck2>;
> +};
> +
> +&A53_1 {
> + cpu-supply = <&buck2>;
> +};
> +
> +&A53_2 {
> + cpu-supply = <&buck2>;
> +};
> +
> +&A53_3 {
> + cpu-supply = <&buck2>;
> +};
> +
> +&eqos {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_eqos>;
> + phy-connection-type = "rgmii-id";
> + phy-handle = <ðphy0>;
> + status = "okay";
> +
> + mdio {
> + compatible = "snps,dwmac-mdio";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ethphy0: ethernet-phy at 0 {
> + compatible = "ethernet-phy-ieee802.3-c22";
> + reg = <0>;
> + reset-gpios = <&gpio4 18 GPIO_ACTIVE_LOW>;
> + reset-assert-us = <20>;
> + reset-deassert-us = <200000>;
> + };
> + };
> +};
> +
> +&fec {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_fec>;
> + phy-connection-type = "rgmii-id";
> + phy-handle = <ðphy1>;
> + fsl,magic-packet;
> + status = "okay";
> +
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ethphy1: ethernet-phy at 0 {
> + compatible = "ethernet-phy-ieee802.3-c22";
> + reg = <0>;
> + reset-gpios = <&gpio4 19 GPIO_ACTIVE_LOW>;
> + reset-assert-us = <10>;
> + reset-deassert-us = <150>;
> + };
> + };
> +};
Unless I'm mistaken, only one of the two ethernet controllers is used on
the base board, the second one requires the I/O extension board. I would
remove the one used by the I/O board from this DT file, and add it to
the (future) overlay for the I/O board.
> +
> +&i2c1 {
> + clock-frequency = <400000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c1>;
> + status = "okay";
> +
> + pmic at 25 {
> + reg = <0x25>;
> + compatible = "nxp,pca9450c";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_pmic>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <3 IRQ_TYPE_EDGE_RISING>;
> +
> + regulators {
> + buck1: BUCK1 {
> + regulator-name = "BUCK1";
> + regulator-min-microvolt = <600000>;
> + regulator-max-microvolt = <2187500>;
> + regulator-boot-on;
> + regulator-always-on;
> + regulator-ramp-delay = <3125>;
> + };
> +
> + buck2: BUCK2 {
> + regulator-name = "BUCK2";
> + regulator-min-microvolt = <600000>;
> + regulator-max-microvolt = <2187500>;
> + regulator-boot-on;
> + regulator-always-on;
> + regulator-ramp-delay = <3125>;
> + nxp,dvs-run-voltage = <950000>;
> + nxp,dvs-standby-voltage = <850000>;
> + };
> +
> + buck4: BUCK4{
> + regulator-name = "BUCK4";
> + regulator-min-microvolt = <600000>;
> + regulator-max-microvolt = <3400000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + buck5: BUCK5{
> + regulator-name = "BUCK5";
> + regulator-min-microvolt = <600000>;
> + regulator-max-microvolt = <3400000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + buck6: BUCK6 {
> + regulator-name = "BUCK6";
> + regulator-min-microvolt = <600000>;
> + regulator-max-microvolt = <3400000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo1: LDO1 {
> + regulator-name = "LDO1";
> + regulator-min-microvolt = <1600000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo2: LDO2 {
> + regulator-name = "LDO2";
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <1150000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo3: LDO3 {
> + regulator-name = "LDO3";
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo4: LDO4 {
> + regulator-name = "LDO4";
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo5: LDO5 {
> + regulator-name = "LDO5";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> + };
> + };
> +};
> +
> +&i2c2 {
> + clock-frequency = <100000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c2>;
> + status = "okay";
> +};
> +
> +&i2c3 {
> + clock-frequency = <400000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c3>;
> + status = "okay";
> +};
> +
> +&i2c4 {
> + clock-frequency = <100000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c4>;
> + status = "okay";
> +
> + eeprom at 50 {
> + compatible = "atmel,24c02";
> + reg = <0x50>;
> + pagesize = <16>;
> + };
> +
> + rtc at 51 {
> + compatible = "haoyu,hym8563";
> + reg = <0x51>;
> + #clock-cells = <0>;
> + clock-frequency = <32768>;
> + clock-output-names = "xin32k";
> + interrupt-parent = <&gpio2>;
> + interrupts = <11 IRQ_TYPE_EDGE_FALLING>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_rtc_int>;
> + };
> +};
> +
> +&i2c6 {
> + clock-frequency = <400000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c6>;
> + status = "okay";
> +};
> +
> +&iomuxc {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_hog>;
> +
> + pinctrl_hog: hoggrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_HDMI_DDC_SCL__HDMIMIX_HDMI_SCL 0x400001c3
> + MX8MP_IOMUXC_HDMI_DDC_SDA__HDMIMIX_HDMI_SDA 0x400001c3
> + MX8MP_IOMUXC_HDMI_HPD__HDMIMIX_HDMI_HPD 0x40000019
> + MX8MP_IOMUXC_HDMI_CEC__HDMIMIX_HDMI_CEC 0x40000019
> + >;
> + };
> +
> + pinctrl_eqos: eqosgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_ENET_MDC__ENET_QOS_MDC 0x3
> + MX8MP_IOMUXC_ENET_MDIO__ENET_QOS_MDIO 0x3
> + MX8MP_IOMUXC_ENET_RD0__ENET_QOS_RGMII_RD0 0x91
> + MX8MP_IOMUXC_ENET_RD1__ENET_QOS_RGMII_RD1 0x91
> + MX8MP_IOMUXC_ENET_RD2__ENET_QOS_RGMII_RD2 0x91
> + MX8MP_IOMUXC_ENET_RD3__ENET_QOS_RGMII_RD3 0x91
> + MX8MP_IOMUXC_ENET_RXC__CCM_ENET_QOS_CLOCK_GENERATE_RX_CLK 0x91
> + MX8MP_IOMUXC_ENET_RX_CTL__ENET_QOS_RGMII_RX_CTL 0x91
> + MX8MP_IOMUXC_ENET_TD0__ENET_QOS_RGMII_TD0 0x1f
> + MX8MP_IOMUXC_ENET_TD1__ENET_QOS_RGMII_TD1 0x1f
> + MX8MP_IOMUXC_ENET_TD2__ENET_QOS_RGMII_TD2 0x1f
> + MX8MP_IOMUXC_ENET_TD3__ENET_QOS_RGMII_TD3 0x1f
> + MX8MP_IOMUXC_ENET_TX_CTL__ENET_QOS_RGMII_TX_CTL 0x1f
> + MX8MP_IOMUXC_ENET_TXC__CCM_ENET_QOS_CLOCK_GENERATE_TX_CLK 0x1f
> + MX8MP_IOMUXC_SAI1_RXFS__ENET1_1588_EVENT0_IN 0x1f
> + MX8MP_IOMUXC_SAI1_RXC__ENET1_1588_EVENT0_OUT 0x1f
> + MX8MP_IOMUXC_SAI1_TXD6__GPIO4_IO18 0x19
> + >;
> + };
> +
> + pinctrl_fec: fecgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SAI1_RXD2__ENET1_MDC 0x3
> + MX8MP_IOMUXC_SAI1_RXD3__ENET1_MDIO 0x3
> + MX8MP_IOMUXC_SAI1_RXD4__ENET1_RGMII_RD0 0x91
> + MX8MP_IOMUXC_SAI1_RXD5__ENET1_RGMII_RD1 0x91
> + MX8MP_IOMUXC_SAI1_RXD6__ENET1_RGMII_RD2 0x91
> + MX8MP_IOMUXC_SAI1_RXD7__ENET1_RGMII_RD3 0x91
> + MX8MP_IOMUXC_SAI1_TXC__ENET1_RGMII_RXC 0x91
> + MX8MP_IOMUXC_SAI1_TXFS__ENET1_RGMII_RX_CTL 0x91
> + MX8MP_IOMUXC_SAI1_TXD0__ENET1_RGMII_TD0 0x1f
> + MX8MP_IOMUXC_SAI1_TXD1__ENET1_RGMII_TD1 0x1f
> + MX8MP_IOMUXC_SAI1_TXD2__ENET1_RGMII_TD2 0x1f
> + MX8MP_IOMUXC_SAI1_TXD3__ENET1_RGMII_TD3 0x1f
> + MX8MP_IOMUXC_SAI1_TXD4__ENET1_RGMII_TX_CTL 0x1f
> + MX8MP_IOMUXC_SAI1_TXD5__ENET1_RGMII_TXC 0x1f
> + MX8MP_IOMUXC_SAI1_RXD1__ENET1_1588_EVENT1_OUT 0x1f
> + MX8MP_IOMUXC_SAI1_RXD0__ENET1_1588_EVENT1_IN 0x1f
> + MX8MP_IOMUXC_SAI1_TXD7__GPIO4_IO19 0x19
> + >;
> + };
> +
> + pinctrl_gpio_led: gpioledgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_NAND_READY_B__GPIO3_IO16 0x19
> + >;
> + };
> +
> + pinctrl_i2c1: i2c1grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_I2C1_SCL__I2C1_SCL 0x400001c2
> + MX8MP_IOMUXC_I2C1_SDA__I2C1_SDA 0x400001c2
> + >;
> + };
> +
> + pinctrl_i2c2: i2c2grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_I2C2_SCL__I2C2_SCL 0x400001c2
> + MX8MP_IOMUXC_I2C2_SDA__I2C2_SDA 0x400001c2
> + >;
> + };
> +
> + pinctrl_i2c3: i2c3grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_I2C3_SCL__I2C3_SCL 0x400001c2
> + MX8MP_IOMUXC_I2C3_SDA__I2C3_SDA 0x400001c2
> + >;
> + };
> + pinctrl_i2c4: i2c4grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_I2C4_SCL__I2C4_SCL 0x400001c3
> + MX8MP_IOMUXC_I2C4_SDA__I2C4_SDA 0x400001c3
> + >;
> + };
> +
> + pinctrl_i2c6: i2c6grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SAI5_RXFS__I2C6_SCL 0x400001c3
> + MX8MP_IOMUXC_SAI5_RXC__I2C6_SDA 0x400001c3
> + >;
> + };
> +
> + pinctrl_rtc_int: rtcintgrp {
This should go a bit below in alphabetical order.
Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> + fsl,pins = <
> + MX8MP_IOMUXC_SD1_STROBE__GPIO2_IO11 0x140
> + >;
> + };
> +
> + pinctrl_pmic: pmicirqgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_GPIO1_IO03__GPIO1_IO03 0x41
> + >;
> + };
> +
> + pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SD2_RESET_B__GPIO2_IO19 0x41
> + >;
> + };
> +
> + pinctrl_uart2: uart2grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_UART2_RXD__UART2_DCE_RX 0x14f
> + MX8MP_IOMUXC_UART2_TXD__UART2_DCE_TX 0x14f
> + >;
> + };
> +
> + pinctrl_uart3: uart3grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_UART3_RXD__UART3_DCE_RX 0x49
> + MX8MP_IOMUXC_UART3_TXD__UART3_DCE_TX 0x49
> + >;
> + };
> +
> + pinctrl_uart4: uart4grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_UART4_RXD__UART4_DCE_RX 0x49
> + MX8MP_IOMUXC_UART4_TXD__UART4_DCE_TX 0x49
> + >;
> + };
> +
> + pinctrl_usb1_vbus: usb1grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SAI2_TXC__GPIO4_IO25 0x19
> + MX8MP_IOMUXC_SAI2_TXD0__GPIO4_IO26 0x19
> + >;
> + };
> +
> + pinctrl_usdhc2: usdhc2grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK 0x190
> + MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD 0x1d0
> + MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0 0x1d0
> + MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1 0x1d0
> + MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2 0x1d0
> + MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3 0x1d0
> + MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT 0xc1
> + >;
> + };
> +
> + pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK 0x194
> + MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD 0x1d4
> + MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0 0x1d4
> + MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1 0x1d4
> + MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2 0x1d4
> + MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3 0x1d4
> + MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT 0xc1
> + >;
> + };
> +
> + pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK 0x196
> + MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD 0x1d6
> + MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0 0x1d6
> + MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1 0x1d6
> + MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2 0x1d6
> + MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3 0x1d6
> + MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT 0xc1
> + >;
> + };
> +
> + pinctrl_usdhc2_gpio: usdhc2gpiogrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SD2_CD_B__GPIO2_IO12 0x1c4
> + >;
> + };
> +
> + pinctrl_usdhc3: usdhc3grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK 0x190
> + MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD 0x1d0
> + MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0 0x1d0
> + MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1 0x1d0
> + MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2 0x1d0
> + MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3 0x1d0
> + MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4 0x1d0
> + MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5 0x1d0
> + MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6 0x1d0
> + MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7 0x1d0
> + MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE 0x190
> + >;
> + };
> +
> + pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK 0x194
> + MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD 0x1d4
> + MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0 0x1d4
> + MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1 0x1d4
> + MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2 0x1d4
> + MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3 0x1d4
> + MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4 0x1d4
> + MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5 0x1d4
> + MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6 0x1d4
> + MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7 0x1d4
> + MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE 0x194
> + >;
> + };
> +
> + pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK 0x196
> + MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD 0x1d6
> + MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0 0x1d6
> + MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1 0x1d6
> + MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2 0x1d6
> + MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3 0x1d6
> + MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4 0x1d6
> + MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5 0x1d6
> + MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6 0x1d6
> + MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7 0x1d6
> + MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE 0x196
> + >;
> + };
> +
> + pinctrl_wdog: wdoggrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_GPIO1_IO02__WDOG1_WDOG_B 0xc6
> + >;
> + };
> +};
> +
> +&snvs_pwrkey {
> + status = "okay";
> +};
> +
> +&uart2 {
> + /* console */
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart2>;
> + status = "okay";
> +};
> +
> +&uart3 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart3>;
> + status = "okay";
> +};
> +
> +&uart4 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart4>;
> + status = "okay";
> +};
> +
> +/* SD Card */
> +&usdhc2 {
> + assigned-clocks = <&clk IMX8MP_CLK_USDHC2>;
> + assigned-clock-rates = <400000000>;
> + pinctrl-names = "default", "state_100mhz", "state_200mhz";
> + pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
> + pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_gpio>;
> + pinctrl-2 = <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_gpio>;
> + cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>;
> + vmmc-supply = <®_usdhc2_vmmc>;
> + bus-width = <4>;
> + status = "okay";
> +};
> +
> +/* eMMc */
> +&usdhc3 {
> + assigned-clocks = <&clk IMX8MP_CLK_USDHC3>;
> + assigned-clock-rates = <400000000>;
> + 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;
> + status = "okay";
> +};
> +
> +&wdog1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_wdog>;
> + fsl,ext-reset-output;
> + status = "okay";
> +};
--
Regards,
Laurent Pinchart
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