On 24-09-24, Michal Vokáč wrote:
> The IOTA2 Lumpy board is based on the i.MX8MPlus EVK.
>
> Basic features are:
> - 4GB LPDDR4
> - 64GB eMMC
> - 2x 1GB Ethernet
> - USB 3.0 Type-C dual role port, without power delivery
> - USB 3.0 Type-A host port
> - RGB LED - PWM driven
> - speaker - PWM driven
> - RTC with super capacitor backup
>
> Signed-off-by: Michal Vokáč <michal.vokac@xxxxxxxxx>
LGTM, feel free to add my:
Reviewed-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx>
> ---
> v4:
> - Moved the iomuxc node to the end of the file.
> - Moved the bus-width and non-removeable properties below
> the pinctrl-* properties in &usdhc3 node.
> - Moved the fsl,ext-reset-output below the pinctrl-* properties
> in &wdog1 node.
> v3:
> - Dropped pinctrl-names property from &usb_dwc3_1 node.
> v2:
> - Dropped unused property from pwm4 node.
> - Sorted all nodes and properties using dt-format tool from Frank.
>
> arch/arm64/boot/dts/freescale/Makefile | 1 +
> .../boot/dts/freescale/imx8mp-iota2-lumpy.dts | 423 ++++++++++++++++++
> 2 files changed, 424 insertions(+)
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-iota2-lumpy.dts
>
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index 9d3df8b218a2..aa26a50b7bb4 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -171,6 +171,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-dhcom-pdk2.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-dhcom-pdk3.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-evk.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-icore-mx8mp-edimm2.2.dtb
> +dtb-$(CONFIG_ARCH_MXC) += imx8mp-iota2-lumpy.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-msc-sm2s-ep1.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-navqp.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-phyboard-pollux-rdk.dtb
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-iota2-lumpy.dts b/arch/arm64/boot/dts/freescale/imx8mp-iota2-lumpy.dts
> new file mode 100644
> index 000000000000..9eb58e818dc7
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-iota2-lumpy.dts
> @@ -0,0 +1,423 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright 2023 Y Soft
> + */
> +
> +/dts-v1/;
> +
> +#include "imx8mp.dtsi"
> +
> +/ {
> + compatible = "ysoft,imx8mp-iota2-lumpy", "fsl,imx8mp";
> + model = "Y Soft i.MX8MPlus IOTA2 Lumpy board";
> +
> + beeper {
> + compatible = "pwm-beeper";
> + pwms = <&pwm4 0 500000 0>;
> + };
> +
> + chosen {
> + stdout-path = &uart2;
> + };
> +
> + gpio_keys: gpio-keys {
> + compatible = "gpio-keys";
> + pinctrl-0 = <&pinctrl_gpio_keys>;
> + pinctrl-names = "default";
> +
> + button-reset {
> + gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
> + label = "Factory RESET";
> + linux,code = <BTN_0>;
> + };
> + };
> +
> + reg_usb_host: regulator-usb-host {
> + compatible = "regulator-fixed";
> + enable-active-high;
> + gpio = <&gpio1 14 GPIO_ACTIVE_HIGH>;
> + pinctrl-0 = <&pinctrl_usb_host_vbus>;
> + pinctrl-names = "default";
> + regulator-max-microvolt = <5000000>;
> + regulator-min-microvolt = <5000000>;
> + regulator-name = "usb-host";
> + };
> +
> + memory@40000000 {
> + reg = <0x0 0x40000000 0 0x80000000>,
> + <0x1 0x00000000 0 0x80000000>;
> + device_type = "memory";
> + };
> +};
> +
> +&A53_0 {
> + cpu-supply = <®_arm>;
> +};
> +
> +&A53_1 {
> + cpu-supply = <®_arm>;
> +};
> +
> +&A53_2 {
> + cpu-supply = <®_arm>;
> +};
> +
> +&A53_3 {
> + cpu-supply = <®_arm>;
> +};
> +
> +&eqos {
> + phy-handle = <ðphy0>;
> + phy-mode = "rgmii-id";
> + pinctrl-0 = <&pinctrl_eqos>;
> + pinctrl-names = "default";
> + status = "okay";
> +
> + mdio {
> + compatible = "snps,dwmac-mdio";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ethphy0: ethernet-phy@0 {
> + reg = <0>;
> + interrupts = <21 IRQ_TYPE_LEVEL_LOW>;
> + interrupt-parent = <&gpio3>;
> + micrel,led-mode = <0>;
> + pinctrl-0 = <&pinctrl_ethphy0>;
> + pinctrl-names = "default";
> + reset-assert-us = <1000>;
> + reset-deassert-us = <1000>;
> + reset-gpios = <&gpio3 22 GPIO_ACTIVE_LOW>;
> + };
> + };
> +};
> +
> +&fec {
> + fsl,magic-packet;
> + phy-handle = <ðphy1>;
> + phy-mode = "rgmii-id";
> + pinctrl-0 = <&pinctrl_fec>;
> + pinctrl-names = "default";
> + status = "okay";
> +
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ethphy1: ethernet-phy@0 {
> + reg = <0>;
> + interrupts = <19 IRQ_TYPE_LEVEL_LOW>;
> + interrupt-parent = <&gpio3>;
> + micrel,led-mode = <0>;
> + pinctrl-0 = <&pinctrl_ethphy1>;
> + pinctrl-names = "default";
> + reset-assert-us = <1000>;
> + reset-deassert-us = <1000>;
> + reset-gpios = <&gpio3 20 GPIO_ACTIVE_LOW>;
> + };
> + };
> +};
> +
> +&i2c1 {
> + clock-frequency = <400000>;
> + pinctrl-0 = <&pinctrl_i2c1>;
> + pinctrl-names = "default";
> + status = "okay";
> +
> + pmic@25 {
> + compatible = "nxp,pca9450c";
> + reg = <0x25>;
> + interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
> + interrupt-parent = <&gpio1>;
> + pinctrl-0 = <&pinctrl_pmic>;
> + pinctrl-names = "default";
> +
> + regulators {
> + BUCK1 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-max-microvolt = <1000000>;
> + regulator-min-microvolt = <720000>;
> + regulator-name = "BUCK1";
> + regulator-ramp-delay = <3125>;
> + };
> +
> + reg_arm: BUCK2 {
> + nxp,dvs-run-voltage = <950000>;
> + nxp,dvs-standby-voltage = <850000>;
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-max-microvolt = <1025000>;
> + regulator-min-microvolt = <720000>;
> + regulator-name = "BUCK2";
> + regulator-ramp-delay = <3125>;
> + };
> +
> + BUCK4 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-max-microvolt = <3600000>;
> + regulator-min-microvolt = <3000000>;
> + regulator-name = "BUCK4";
> + };
> +
> + BUCK5 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-max-microvolt = <1950000>;
> + regulator-min-microvolt = <1650000>;
> + regulator-name = "BUCK5";
> + };
> +
> + BUCK6 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-max-microvolt = <1155000>;
> + regulator-min-microvolt = <1045000>;
> + regulator-name = "BUCK6";
> + };
> +
> + LDO1 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-max-microvolt = <1950000>;
> + regulator-min-microvolt = <1650000>;
> + regulator-name = "LDO1";
> + };
> +
> + LDO3 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-max-microvolt = <1890000>;
> + regulator-min-microvolt = <1710000>;
> + regulator-name = "LDO3";
> + };
> +
> + LDO4 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-max-microvolt = <950000>;
> + regulator-min-microvolt = <850000>;
> + regulator-name = "LDO4";
> + };
> +
> + LDO5 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-max-microvolt = <3300000>;
> + regulator-min-microvolt = <1800000>;
> + regulator-name = "LDO5";
> + };
> + };
> + };
> +};
> +
> +&i2c2 {
> + clock-frequency = <400000>;
> + pinctrl-0 = <&pinctrl_i2c2>;
> + pinctrl-names = "default";
> + status = "okay";
> +
> + rtc: rtc@68 {
> + compatible = "dallas,ds1341";
> + reg = <0x68>;
> + };
> +};
> +
> +&pwm4 {
> + pinctrl-0 = <&pinctrl_pwm4>;
> + pinctrl-names = "default";
> + status = "okay";
> +};
> +
> +&uart2 {
> + pinctrl-0 = <&pinctrl_uart2>;
> + pinctrl-names = "default";
> + status = "okay";
> +};
> +
> +&usb3_1 {
> + status = "okay";
> +};
> +
> +&usb3_phy1 {
> + vbus-supply = <®_usb_host>;
> + status = "okay";
> +};
> +
> +&usb_dwc3_1 {
> + dr_mode = "host";
> + status = "okay";
> +};
> +
> +&usdhc3 {
> + assigned-clocks = <&clk IMX8MP_CLK_USDHC3>;
> + assigned-clock-rates = <400000000>;
> + pinctrl-0 = <&pinctrl_usdhc3>;
> + pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
> + pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
> + pinctrl-names = "default", "state_100mhz", "state_200mhz";
> + bus-width = <8>;
> + non-removable;
> + status = "okay";
> +};
> +
> +&wdog1 {
> + pinctrl-0 = <&pinctrl_wdog>;
> + pinctrl-names = "default";
> + fsl,ext-reset-output;
> + status = "okay";
> +};
> +
> +&iomuxc {
> + pinctrl_eqos: eqosgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_ENET_MDC__ENET_QOS_MDC 0x2
> + MX8MP_IOMUXC_ENET_MDIO__ENET_QOS_MDIO 0x2
> + MX8MP_IOMUXC_ENET_RD0__ENET_QOS_RGMII_RD0 0x90
> + MX8MP_IOMUXC_ENET_RD1__ENET_QOS_RGMII_RD1 0x90
> + MX8MP_IOMUXC_ENET_RD2__ENET_QOS_RGMII_RD2 0x90
> + MX8MP_IOMUXC_ENET_RD3__ENET_QOS_RGMII_RD3 0x90
> + MX8MP_IOMUXC_ENET_RX_CTL__ENET_QOS_RGMII_RX_CTL 0x90
> + MX8MP_IOMUXC_ENET_RXC__CCM_ENET_QOS_CLOCK_GENERATE_RX_CLK 0x90
> + MX8MP_IOMUXC_ENET_TD0__ENET_QOS_RGMII_TD0 0x16
> + MX8MP_IOMUXC_ENET_TD1__ENET_QOS_RGMII_TD1 0x16
> + MX8MP_IOMUXC_ENET_TD2__ENET_QOS_RGMII_TD2 0x16
> + MX8MP_IOMUXC_ENET_TD3__ENET_QOS_RGMII_TD3 0x16
> + MX8MP_IOMUXC_ENET_TX_CTL__ENET_QOS_RGMII_TX_CTL 0x16
> + MX8MP_IOMUXC_ENET_TXC__CCM_ENET_QOS_CLOCK_GENERATE_TX_CLK 0x16
> + >;
> + };
> +
> + pinctrl_ethphy0: ethphy0grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SAI5_RXD0__GPIO3_IO21 0x10
> + MX8MP_IOMUXC_SAI5_RXD1__GPIO3_IO22 0x10
> + >;
> + };
> +
> + pinctrl_ethphy1: ethphy1grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SAI5_RXFS__GPIO3_IO19 0x10
> + MX8MP_IOMUXC_SAI5_RXC__GPIO3_IO20 0x10
> + >;
> + };
> +
> + pinctrl_fec: fecgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SAI1_RXD2__ENET1_MDC 0x2
> + MX8MP_IOMUXC_SAI1_RXD3__ENET1_MDIO 0x2
> + MX8MP_IOMUXC_SAI1_RXD4__ENET1_RGMII_RD0 0x90
> + MX8MP_IOMUXC_SAI1_RXD5__ENET1_RGMII_RD1 0x90
> + MX8MP_IOMUXC_SAI1_RXD6__ENET1_RGMII_RD2 0x90
> + MX8MP_IOMUXC_SAI1_RXD7__ENET1_RGMII_RD3 0x90
> + MX8MP_IOMUXC_SAI1_TXC__ENET1_RGMII_RXC 0x90
> + MX8MP_IOMUXC_SAI1_TXFS__ENET1_RGMII_RX_CTL 0x90
> + MX8MP_IOMUXC_SAI1_TXD0__ENET1_RGMII_TD0 0x16
> + MX8MP_IOMUXC_SAI1_TXD1__ENET1_RGMII_TD1 0x16
> + MX8MP_IOMUXC_SAI1_TXD2__ENET1_RGMII_TD2 0x16
> + MX8MP_IOMUXC_SAI1_TXD3__ENET1_RGMII_TD3 0x16
> + MX8MP_IOMUXC_SAI1_TXD4__ENET1_RGMII_TX_CTL 0x16
> + MX8MP_IOMUXC_SAI1_TXD5__ENET1_RGMII_TXC 0x16
> + >;
> + };
> +
> + pinctrl_gpio_keys: gpiokeysgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_GPIO1_IO07__GPIO1_IO07 0x80
> + >;
> + };
> +
> + 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_pmic: pmicgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_GPIO1_IO03__GPIO1_IO03 0x1c0
> + >;
> + };
> +
> + pinctrl_pwm4: pwm4grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SAI3_MCLK__PWM4_OUT 0x102
> + >;
> + };
> +
> + pinctrl_uart2: uart2grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_UART2_RXD__UART2_DCE_RX 0x0
> + MX8MP_IOMUXC_UART2_TXD__UART2_DCE_TX 0x0
> + >;
> + };
> +
> + pinctrl_usb_host_vbus: usb1grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_GPIO1_IO14__USB2_OTG_PWR 0x0
> + >;
> + };
> +
> + 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_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_wdog: wdoggrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_GPIO1_IO02__WDOG1_WDOG_B 0x166
> + >;
> + };
> +};
> --
> 2.43.0
>
>
>
