Adds the DTSI file for the Nitrogen8MP SMARC System on Module which
is delivered with the Nitrogen8MP Universal SMARC Carrier Board.
Initial support includes:
- Serial console
- eMMC
- SD card
Signed-off-by: Bhavin Sharma <bhavin.sharma@siliconsignals.io>
---
arch/arm64/boot/dts/freescale/Makefile | 1 +
.../freescale/imx8mp-nitrogen-smarc-som.dtsi | 349 ++++++++++++++++++
.../imx8mp-nitrogen-smarc-universal-board.dts | 17 +
3 files changed, 367 insertions(+)
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-nitrogen-smarc-som.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-nitrogen-smarc-universal-board.dts
diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 9d3df8b218a2..c7f4cf51dc14 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -173,6 +173,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-evk.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-icore-mx8mp-edimm2.2.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-msc-sm2s-ep1.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-navqp.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8mp-nitrogen-smarc-universal-board.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-phyboard-pollux-rdk.dtb
imx8mp-phyboard-pollux-rdk-no-eth-dtbs += imx8mp-phyboard-pollux-rdk.dtb imx8mp-phycore-no-eth.dtbo
dtb-$(CONFIG_ARCH_MXC) += imx8mp-phyboard-pollux-rdk-no-eth.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-nitrogen-smarc-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-nitrogen-smarc-som.dtsi
new file mode 100644
index 000000000000..89f820ddad54
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-nitrogen-smarc-som.dtsi
@@ -0,0 +1,349 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2023 Boundary Devices
+ * Copyright 2024 Silicon Signals Pvt. Ltd.
+ *
+ * Author : Bhavin Sharma <bhavin.sharma@siliconsignals.io>
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/leds/common.h>
+#include "imx8mp.dtsi"
+
+/ {
+ model = "Boundary Device Nitrogen8MP SMARC SoM";
+ compatible = "boundary,imx8mp-nitrogen-smarc-som", "fsl,imx8mp";
+
+ chosen {
+ stdout-path = &uart2;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_gpio_led>;
+
+ led-0 {
+ function = LED_FUNCTION_POWER;
+ gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "heartbeat";
+ };
+ };
+
+ reg_usdhc2_vmmc: regulator-usdhc2-vmmc {
+ compatible = "regulator-fixed";
+ regulator-name = "VSD_3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpios = <&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>;
+};
+
+&i2c1 {
+ clock-frequency = <400000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c1>;
+ status = "okay";
+
+ pmic@25 {
+ compatible = "nxp,pca9450c";
+ reg = <0x25>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pmic>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <14 IRQ_TYPE_LEVEL_LOW>;
+
+ 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;
+ };
+ };
+ };
+};
+
+&i2c6 {
+ clock-frequency = <100000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c6>;
+ status = "okay";
+
+ mcp23018: gpio@20 {
+ compatible = "microchip,mcp23018";
+ gpio-controller;
+ #gpio-cells = <0x2>;
+ reg = <0x20>;
+ interrupts-extended = <&gpio4 22 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-controller;
+ #interrupt-cells = <0x2>;
+ microchip,irq-mirror;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_mcp23018>;
+ reset-gpios = <&gpio4 27 GPIO_ACTIVE_LOW>;
+ };
+};
+
+/* Console */
+&uart2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart2>;
+ status = "okay";
+};
+
+/* eMMC */
+&usdhc1 {
+ pinctrl-names = "default", "state_100mhz", "state_200mhz";
+ pinctrl-0 = <&pinctrl_usdhc1>;
+ pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
+ pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
+ bus-width = <8>;
+ non-removable;
+ status = "okay";
+};
+
+/* SD-card */
+&usdhc2 {
+ pinctrl-names = "default", "state_100mhz", "state_200mhz";
+ pinctrl-0 = <&pinctrl_usdhc2>;
+ pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
+ pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
+ cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>;
+ vmmc-supply = <®_usdhc2_vmmc>;
+ bus-width = <4>;
+ status = "okay";
+};
+
+&wdog1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_wdog>;
+ fsl,ext-reset-output;
+ status = "okay";
+};
+
+&iomuxc {
+
+ pinctrl_gpio_led: gpioledgrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_GPIO1_IO10__GPIO1_IO10 0x19
+ >;
+ };
+
+ pinctrl_i2c1: i2c1grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_I2C1_SCL__I2C1_SCL 0x400001c3
+ MX8MP_IOMUXC_I2C1_SDA__I2C1_SDA 0x400001c3
+ >;
+ };
+
+ pinctrl_i2c6: i2c6grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SAI5_RXFS__I2C6_SCL 0x400001c3
+ MX8MP_IOMUXC_SAI5_RXC__I2C6_SDA 0x400001c3
+ >;
+ };
+
+ pinctrl_mcp23018: mcp23018grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SAI2_RXC__GPIO4_IO22 0x1c0
+ MX8MP_IOMUXC_SAI2_MCLK__GPIO4_IO27 0x100
+ >;
+ };
+
+ pinctrl_pmic: pmicgrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_GPIO1_IO14__GPIO1_IO14 0x1c0
+ >;
+ };
+
+ pinctrl_uart2: uart2grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_UART2_RXD__UART2_DCE_RX 0x40
+ MX8MP_IOMUXC_UART2_TXD__UART2_DCE_TX 0x40
+ >;
+ };
+
+ pinctrl_usdhc1: usdhc1grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SD1_CLK__USDHC1_CLK 0x10
+ MX8MP_IOMUXC_SD1_CMD__USDHC1_CMD 0x150
+ MX8MP_IOMUXC_SD1_DATA0__USDHC1_DATA0 0x150
+ MX8MP_IOMUXC_SD1_DATA1__USDHC1_DATA1 0x150
+ MX8MP_IOMUXC_SD1_DATA2__USDHC1_DATA2 0x150
+ MX8MP_IOMUXC_SD1_DATA3__USDHC1_DATA3 0x150
+ MX8MP_IOMUXC_SD1_DATA4__USDHC1_DATA4 0x150
+ MX8MP_IOMUXC_SD1_DATA5__USDHC1_DATA5 0x150
+ MX8MP_IOMUXC_SD1_DATA6__USDHC1_DATA6 0x150
+ MX8MP_IOMUXC_SD1_DATA7__USDHC1_DATA7 0x150
+ MX8MP_IOMUXC_SD1_STROBE__USDHC1_STROBE 0x10
+ MX8MP_IOMUXC_SD1_RESET_B__USDHC1_RESET_B 0x140
+ >;
+ };
+
+ pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SD1_CLK__USDHC1_CLK 0x14
+ MX8MP_IOMUXC_SD1_CMD__USDHC1_CMD 0x154
+ MX8MP_IOMUXC_SD1_DATA0__USDHC1_DATA0 0x154
+ MX8MP_IOMUXC_SD1_DATA1__USDHC1_DATA1 0x154
+ MX8MP_IOMUXC_SD1_DATA2__USDHC1_DATA2 0x154
+ MX8MP_IOMUXC_SD1_DATA3__USDHC1_DATA3 0x154
+ MX8MP_IOMUXC_SD1_DATA4__USDHC1_DATA4 0x154
+ MX8MP_IOMUXC_SD1_DATA5__USDHC1_DATA5 0x154
+ MX8MP_IOMUXC_SD1_DATA6__USDHC1_DATA6 0x154
+ MX8MP_IOMUXC_SD1_DATA7__USDHC1_DATA7 0x154
+ MX8MP_IOMUXC_SD1_STROBE__USDHC1_STROBE 0x14
+ >;
+ };
+
+ pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SD1_CLK__USDHC1_CLK 0x12
+ MX8MP_IOMUXC_SD1_CMD__USDHC1_CMD 0x152
+ MX8MP_IOMUXC_SD1_DATA0__USDHC1_DATA0 0x152
+ MX8MP_IOMUXC_SD1_DATA1__USDHC1_DATA1 0x152
+ MX8MP_IOMUXC_SD1_DATA2__USDHC1_DATA2 0x152
+ MX8MP_IOMUXC_SD1_DATA3__USDHC1_DATA3 0x152
+ MX8MP_IOMUXC_SD1_DATA4__USDHC1_DATA4 0x152
+ MX8MP_IOMUXC_SD1_DATA5__USDHC1_DATA5 0x152
+ MX8MP_IOMUXC_SD1_DATA6__USDHC1_DATA6 0x152
+ MX8MP_IOMUXC_SD1_DATA7__USDHC1_DATA7 0x152
+ MX8MP_IOMUXC_SD1_STROBE__USDHC1_STROBE 0x12
+ >;
+ };
+
+ 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
+ >;
+ };
+
+ 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
+ >;
+ };
+
+ 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
+ >;
+ };
+
+ pinctrl_wdog: wdoggrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_GPIO1_IO02__WDOG1_WDOG_B 0x140
+ >;
+ };
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-nitrogen-smarc-universal-board.dts b/arch/arm64/boot/dts/freescale/imx8mp-nitrogen-smarc-universal-board.dts
new file mode 100644
index 000000000000..4a08fa38dcde
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-nitrogen-smarc-universal-board.dts
@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2023 Boundary Devices
+ * Copyright 2024 Silicon Signals Pvt. Ltd.
+ *
+ * Author : Bhavin Sharma <bhavin.sharma@siliconsignals.io>
+ */
+
+/dts-v1/;
+
+#include "imx8mp-nitrogen-smarc-som.dtsi"
+
+/ {
+ model = "Boundary Device Nitrogen8MP Universal SMARC Carrier Board";
+ compatible = "boundary,imx8mp-nitrogen-smarc-universal-board",
+ "boundary,imx8mp-nitrogen-smarc-som", "fsl,imx8mp";
+};
--
2.43.0On Fri, Oct 18, 2024 at 02:39:27PM +0530, Bhavin Sharma wrote:
> Adds the DTSI file for the Nitrogen8MP SMARC System on Module which
> is delivered with the Nitrogen8MP Universal SMARC Carrier Board.
>
> Initial support includes:
> - Serial console
> - eMMC
> - SD card
>
> Signed-off-by: Bhavin Sharma <bhavin.sharma@siliconsignals.io>
> ---
> arch/arm64/boot/dts/freescale/Makefile | 1 +
> .../freescale/imx8mp-nitrogen-smarc-som.dtsi | 349 ++++++++++++++++++
> .../imx8mp-nitrogen-smarc-universal-board.dts | 17 +
> 3 files changed, 367 insertions(+)
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-nitrogen-smarc-som.dtsi
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-nitrogen-smarc-universal-board.dts
>
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index 9d3df8b218a2..c7f4cf51dc14 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -173,6 +173,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-evk.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-icore-mx8mp-edimm2.2.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-msc-sm2s-ep1.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-navqp.dtb
> +dtb-$(CONFIG_ARCH_MXC) += imx8mp-nitrogen-smarc-universal-board.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-phyboard-pollux-rdk.dtb
> imx8mp-phyboard-pollux-rdk-no-eth-dtbs += imx8mp-phyboard-pollux-rdk.dtb imx8mp-phycore-no-eth.dtbo
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-phyboard-pollux-rdk-no-eth.dtb
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-nitrogen-smarc-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-nitrogen-smarc-som.dtsi
> new file mode 100644
> index 000000000000..89f820ddad54
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-nitrogen-smarc-som.dtsi
> @@ -0,0 +1,349 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright 2023 Boundary Devices
> + * Copyright 2024 Silicon Signals Pvt. Ltd.
> + *
> + * Author : Bhavin Sharma <bhavin.sharma@siliconsignals.io>
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/leds/common.h>
> +#include "imx8mp.dtsi"
> +
> +/ {
> + model = "Boundary Device Nitrogen8MP SMARC SoM";
> + compatible = "boundary,imx8mp-nitrogen-smarc-som", "fsl,imx8mp";
Use tab instead of space for indent.
It appears there are quite many such cases in this patch.
> +
> + chosen {
> + stdout-path = &uart2;
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_gpio_led>;
> +
> + led-0 {
> + function = LED_FUNCTION_POWER;
> + gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
> + linux,default-trigger = "heartbeat";
> + };
> + };
> +
> + reg_usdhc2_vmmc: regulator-usdhc2-vmmc {
> + compatible = "regulator-fixed";
> + regulator-name = "VSD_3V3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + gpios = <&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>;
> +};
> +
> +&i2c1 {
> + clock-frequency = <400000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c1>;
> + status = "okay";
> +
> + pmic@25 {
> + compatible = "nxp,pca9450c";
> + reg = <0x25>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_pmic>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <14 IRQ_TYPE_LEVEL_LOW>;
> +
> + 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;
> + };
> + };
> + };
> +};
> +
> +&i2c6 {
> + clock-frequency = <100000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c6>;
> + status = "okay";
> +
> + mcp23018: gpio@20 {
> + compatible = "microchip,mcp23018";
> + gpio-controller;
> + #gpio-cells = <0x2>;
> + reg = <0x20>;
> + interrupts-extended = <&gpio4 22 IRQ_TYPE_LEVEL_LOW>;
> + interrupt-controller;
> + #interrupt-cells = <0x2>;
> + microchip,irq-mirror;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_mcp23018>;
> + reset-gpios = <&gpio4 27 GPIO_ACTIVE_LOW>;
> + };
> +};
> +
> +/* Console */
> +&uart2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart2>;
> + status = "okay";
> +};
> +
> +/* eMMC */
> +&usdhc1 {
> + pinctrl-names = "default", "state_100mhz", "state_200mhz";
> + pinctrl-0 = <&pinctrl_usdhc1>;
> + pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
> + pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
> + bus-width = <8>;
> + non-removable;
> + status = "okay";
> +};
> +
> +/* SD-card */
> +&usdhc2 {
> + pinctrl-names = "default", "state_100mhz", "state_200mhz";
> + pinctrl-0 = <&pinctrl_usdhc2>;
> + pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
> + pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
> + cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>;
> + vmmc-supply = <®_usdhc2_vmmc>;
> + bus-width = <4>;
> + status = "okay";
> +};
> +
> +&wdog1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_wdog>;
> + fsl,ext-reset-output;
> + status = "okay";
> +};
> +
> +&iomuxc {
> +
Unneeded newline.
Shawn
> + pinctrl_gpio_led: gpioledgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_GPIO1_IO10__GPIO1_IO10 0x19
> + >;
> + };
> +
> + pinctrl_i2c1: i2c1grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_I2C1_SCL__I2C1_SCL 0x400001c3
> + MX8MP_IOMUXC_I2C1_SDA__I2C1_SDA 0x400001c3
> + >;
> + };
> +
> + pinctrl_i2c6: i2c6grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SAI5_RXFS__I2C6_SCL 0x400001c3
> + MX8MP_IOMUXC_SAI5_RXC__I2C6_SDA 0x400001c3
> + >;
> + };
> +
> + pinctrl_mcp23018: mcp23018grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SAI2_RXC__GPIO4_IO22 0x1c0
> + MX8MP_IOMUXC_SAI2_MCLK__GPIO4_IO27 0x100
> + >;
> + };
> +
> + pinctrl_pmic: pmicgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_GPIO1_IO14__GPIO1_IO14 0x1c0
> + >;
> + };
> +
> + pinctrl_uart2: uart2grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_UART2_RXD__UART2_DCE_RX 0x40
> + MX8MP_IOMUXC_UART2_TXD__UART2_DCE_TX 0x40
> + >;
> + };
> +
> + pinctrl_usdhc1: usdhc1grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SD1_CLK__USDHC1_CLK 0x10
> + MX8MP_IOMUXC_SD1_CMD__USDHC1_CMD 0x150
> + MX8MP_IOMUXC_SD1_DATA0__USDHC1_DATA0 0x150
> + MX8MP_IOMUXC_SD1_DATA1__USDHC1_DATA1 0x150
> + MX8MP_IOMUXC_SD1_DATA2__USDHC1_DATA2 0x150
> + MX8MP_IOMUXC_SD1_DATA3__USDHC1_DATA3 0x150
> + MX8MP_IOMUXC_SD1_DATA4__USDHC1_DATA4 0x150
> + MX8MP_IOMUXC_SD1_DATA5__USDHC1_DATA5 0x150
> + MX8MP_IOMUXC_SD1_DATA6__USDHC1_DATA6 0x150
> + MX8MP_IOMUXC_SD1_DATA7__USDHC1_DATA7 0x150
> + MX8MP_IOMUXC_SD1_STROBE__USDHC1_STROBE 0x10
> + MX8MP_IOMUXC_SD1_RESET_B__USDHC1_RESET_B 0x140
> + >;
> + };
> +
> + pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SD1_CLK__USDHC1_CLK 0x14
> + MX8MP_IOMUXC_SD1_CMD__USDHC1_CMD 0x154
> + MX8MP_IOMUXC_SD1_DATA0__USDHC1_DATA0 0x154
> + MX8MP_IOMUXC_SD1_DATA1__USDHC1_DATA1 0x154
> + MX8MP_IOMUXC_SD1_DATA2__USDHC1_DATA2 0x154
> + MX8MP_IOMUXC_SD1_DATA3__USDHC1_DATA3 0x154
> + MX8MP_IOMUXC_SD1_DATA4__USDHC1_DATA4 0x154
> + MX8MP_IOMUXC_SD1_DATA5__USDHC1_DATA5 0x154
> + MX8MP_IOMUXC_SD1_DATA6__USDHC1_DATA6 0x154
> + MX8MP_IOMUXC_SD1_DATA7__USDHC1_DATA7 0x154
> + MX8MP_IOMUXC_SD1_STROBE__USDHC1_STROBE 0x14
> + >;
> + };
> +
> + pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SD1_CLK__USDHC1_CLK 0x12
> + MX8MP_IOMUXC_SD1_CMD__USDHC1_CMD 0x152
> + MX8MP_IOMUXC_SD1_DATA0__USDHC1_DATA0 0x152
> + MX8MP_IOMUXC_SD1_DATA1__USDHC1_DATA1 0x152
> + MX8MP_IOMUXC_SD1_DATA2__USDHC1_DATA2 0x152
> + MX8MP_IOMUXC_SD1_DATA3__USDHC1_DATA3 0x152
> + MX8MP_IOMUXC_SD1_DATA4__USDHC1_DATA4 0x152
> + MX8MP_IOMUXC_SD1_DATA5__USDHC1_DATA5 0x152
> + MX8MP_IOMUXC_SD1_DATA6__USDHC1_DATA6 0x152
> + MX8MP_IOMUXC_SD1_DATA7__USDHC1_DATA7 0x152
> + MX8MP_IOMUXC_SD1_STROBE__USDHC1_STROBE 0x12
> + >;
> + };
> +
> + 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
> + >;
> + };
> +
> + 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
> + >;
> + };
> +
> + 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
> + >;
> + };
> +
> + pinctrl_wdog: wdoggrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_GPIO1_IO02__WDOG1_WDOG_B 0x140
> + >;
> + };
> +};
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-nitrogen-smarc-universal-board.dts b/arch/arm64/boot/dts/freescale/imx8mp-nitrogen-smarc-universal-board.dts
> new file mode 100644
> index 000000000000..4a08fa38dcde
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-nitrogen-smarc-universal-board.dts
> @@ -0,0 +1,17 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright 2023 Boundary Devices
> + * Copyright 2024 Silicon Signals Pvt. Ltd.
> + *
> + * Author : Bhavin Sharma <bhavin.sharma@siliconsignals.io>
> + */
> +
> +/dts-v1/;
> +
> +#include "imx8mp-nitrogen-smarc-som.dtsi"
> +
> +/ {
> + model = "Boundary Device Nitrogen8MP Universal SMARC Carrier Board";
> + compatible = "boundary,imx8mp-nitrogen-smarc-universal-board",
> + "boundary,imx8mp-nitrogen-smarc-som", "fsl,imx8mp";
> +};
> --
> 2.43.0
>
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