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Message-ID: <20241018091023.29286-2-bhavin.sharma@siliconsignals.io>
Date: Fri, 18 Oct 2024 14:39:27 +0530
From: Bhavin Sharma <bhavin.sharma@...iconsignals.io>
To: shawnguo@...nel.org,
krzk+dt@...nel.org,
robh@...nel.org
Cc: Bhavin Sharma <bhavin.sharma@...iconsignals.io>,
Conor Dooley <conor+dt@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
Peng Fan <peng.fan@....com>,
Joao Paulo Goncalves <joao.goncalves@...adex.com>,
Hiago De Franco <hiago.franco@...adex.com>,
Hugo Villeneuve <hvilleneuve@...onoff.com>,
Michael Walle <mwalle@...nel.org>,
Alexander Stein <alexander.stein@...tq-group.com>,
Mathieu Othacehe <m.othacehe@...il.com>,
Gregor Herburger <gregor.herburger@...tq-group.com>,
Max Merchel <Max.Merchel@...tq-group.com>,
Tim Harvey <tharvey@...eworks.com>,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
imx@...ts.linux.dev,
linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 1/2] 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@...iconsignals.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@...iconsignals.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@...iconsignals.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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