arm64: dts: imx8mp: Add Boundary Device Nitrogen8MP Universal SMARC Carrier Board

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>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 7c4b4b7173517b45e55366b9670562cad9fcbc3a..42e6482a31cbe5c11b5a8e41dbf23c069847429f 100644 (file)
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -184,6 +184,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-kontron-dl.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-kontron-smarc-eval-carrier.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 (file)
index 0000000..5da0f1b
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-nitrogen-smarc-som.dtsi
@@ -0,0 +1,348 @@
+// 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";
+};
+
+/* 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 = <&reg_usdhc2_vmmc>;
+       bus-width = <4>;
+       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";
+};
+
+&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 (file)
index 0000000..46b2432
--- /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";
+};