[PATCH v1 0/3] Add support for Variscite DART-MX91 and Sonata board

[PATCH v1 0/3] Add support for Variscite DART-MX91 and Sonata board

[Stefano Radaelli]

This patch series adds support for the Variscite DART-MX91 system on
module and the Sonata carrier board.

The series includes:
- Device tree bindings documentation for both SOM and carrier board
- SOM device tree with on-module peripherals
- Sonata carrier board device tree with board-specific features

The implementation follows the standard SOM + carrier board pattern
where the SOM dtsi contains only peripherals mounted on the module,
while carrier-specific interfaces are enabled in the board dts.

Stefano Radaelli (3):
  dt-bindings: arm: fsl: add Variscite DART-MX91 Boards
  arm64: dts: freescale: Add support for Variscite DART-MX91
  arm64: dts: imx91-var-dart: Add support for Variscite Sonata board

 .../devicetree/bindings/arm/fsl.yaml          |   6 +
 arch/arm64/boot/dts/freescale/Makefile        |   1 +
 .../dts/freescale/imx91-var-dart-sonata.dts   | 498 ++++++++++++++++++
 .../boot/dts/freescale/imx91-var-dart.dtsi    | 468 ++++++++++++++++
 4 files changed, 973 insertions(+)
 create mode 100644 arch/arm64/boot/dts/freescale/imx91-var-dart-sonata.dts
 create mode 100644 arch/arm64/boot/dts/freescale/imx91-var-dart.dtsi


base-commit: 18f7fcd5e69a04df57b563360b88be72471d6b62
-- 
2.47.3

[PATCH v1 1/3] dt-bindings: arm: fsl: add Variscite DART-MX91 Boards

[Stefano Radaelli]

From: Stefano Radaelli <stefano.r@variscite.com>

Add DT compatible strings for Variscite DART-MX91 SoM and Variscite
development carrier Board.

Signed-off-by: Stefano Radaelli <stefano.r@variscite.com>
---
 Documentation/devicetree/bindings/arm/fsl.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/fsl.yaml b/Documentation/devicetree/bindings/arm/fsl.yaml
index 336669e16d7a..4c200a67600e 100644
--- a/Documentation/devicetree/bindings/arm/fsl.yaml
+++ b/Documentation/devicetree/bindings/arm/fsl.yaml
@@ -1524,6 +1524,12 @@ properties:
           - const: phytec,imx93-phycore-som # phyCORE-i.MX93 SoM
           - const: fsl,imx93
 
+      - description: Variscite DART-MX91 based boards
+        items:
+          - const: variscite,var-dart-mx91-sonata # Variscite DART-MX91 on Sonata Development Board
+          - const: variscite,var-dart-mx91 # Variscite DART-MX91 SOM
+          - const: fsl,imx91
+
       - description: Variscite VAR-SOM-MX93 based boards
         items:
           - const: variscite,var-som-mx93-symphony
-- 
2.47.3

[PATCH v1 2/3] arm64: dts: freescale: Add support for Variscite DART-MX91

[Stefano Radaelli]

From: Stefano Radaelli <stefano.r@variscite.com>

Add device tree support for the Variscite DART-MX91 system on module.
This SOM is designed to be used with various carrier boards.

The module includes:
- NXP i.MX91 MPU processor
- Up to 2GB of LPDDR4 memory
- Up to 128GB of eMMC storage memory
- Integrated 10/100/1000 Mbps Ethernet Transceiver
- Codec audio WM8904
- WIFI6 dual-band 802.11ax/ac/a/b/g/n with optional 802.15.4 and Bluetooth

Only SOM-specific peripherals are enabled by default. Carrier board
specific interfaces are left disabled to be enabled in the respective
carrier board device trees.

Link: https://variscite.com/system-on-module-som/i-mx-9/i-mx-91/dart-mx91/

Signed-off-by: Stefano Radaelli <stefano.r@variscite.com>
---
 .../boot/dts/freescale/imx91-var-dart.dtsi    | 468 ++++++++++++++++++
 1 file changed, 468 insertions(+)
 create mode 100644 arch/arm64/boot/dts/freescale/imx91-var-dart.dtsi

diff --git a/arch/arm64/boot/dts/freescale/imx91-var-dart.dtsi b/arch/arm64/boot/dts/freescale/imx91-var-dart.dtsi
new file mode 100644
index 000000000000..b10425b3198d
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx91-var-dart.dtsi
@@ -0,0 +1,468 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Common dtsi for Variscite DART-MX91
+ *
+ * Link: https://variscite.com/system-on-module-som/i-mx-9/i-mx-91/dart-mx91/
+ *
+ * Copyright (C) 2026 Variscite Ltd. - https://www.variscite.com/
+ *
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/usb/pd.h>
+#include "imx91.dtsi"
+
+/ {
+	model = "Variscite DART-MX91 Module";
+	compatible = "variscite,var-dart-mx91", "fsl,imx91";
+
+	sound-wm8904 {
+		compatible = "simple-audio-card";
+		simple-audio-card,bitclock-master = <&codec_dai>;
+		simple-audio-card,format = "i2s";
+		simple-audio-card,frame-master = <&codec_dai>;
+		simple-audio-card,mclk-fs = <256>;
+		simple-audio-card,name = "wm8904-audio";
+		simple-audio-card,routing =
+			"Headphone Jack", "HPOUTL",
+			"Headphone Jack", "HPOUTR",
+			"IN2L", "Line In Jack",
+			"IN2R", "Line In Jack",
+			"IN1L", "Microphone Jack",
+			"IN1R", "Microphone Jack";
+		simple-audio-card,widgets =
+			"Microphone", "Microphone Jack",
+			"Headphone", "Headphone Jack",
+			"Line", "Line In Jack";
+
+		codec_dai: simple-audio-card,codec {
+			sound-dai = <&wm8904>;
+		};
+
+		simple-audio-card,cpu {
+			sound-dai = <&sai1>;
+		};
+	};
+
+	wifi_pwrseq: wifi-pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		post-power-on-delay-ms = <100>;
+		power-off-delay-us = <10000>;
+		reset-gpios = <&gpio4 14 GPIO_ACTIVE_LOW>, /* WIFI_RESET */
+			      <&gpio3 7 GPIO_ACTIVE_LOW>; /* WIFI_PWR_EN */
+	};
+};
+
+&eqos {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&pinctrl_eqos>;
+	pinctrl-1 = <&pinctrl_eqos_sleep>;
+	/*
+	 * The required RGMII TX and RX 2ns delays are implemented directly
+	 * in hardware via passive delay elements on the SOM PCB.
+	 * No delay configuration is needed in software via PHY driver.
+	 */
+	phy-mode = "rgmii";
+	phy-handle = <&ethphy0>;
+	snps,clk-csr = <5>;
+	status = "okay";
+
+	mdio {
+		compatible = "snps,dwmac-mdio";
+		clock-frequency = <1000000>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		ethphy0: ethernet-phy@0 {
+			compatible = "ethernet-phy-ieee802.3-c22";
+			reg = <0>;
+			reset-gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
+			reset-assert-us = <15000>;
+			reset-deassert-us = <100000>;
+
+			leds {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				led@0 {
+					reg = <0>;
+					color = <LED_COLOR_ID_YELLOW>;
+					function = LED_FUNCTION_LAN;
+					linux,default-trigger = "netdev";
+				};
+
+				led@1 {
+					reg = <1>;
+					color = <LED_COLOR_ID_GREEN>;
+					function = LED_FUNCTION_LAN;
+					linux,default-trigger = "netdev";
+				};
+			};
+		};
+	};
+};
+
+&lpi2c3 {
+	clock-frequency = <400000>;
+	pinctrl-names = "default", "sleep", "gpio";
+	pinctrl-0 = <&pinctrl_lpi2c3>;
+	pinctrl-1 = <&pinctrl_lpi2c3_gpio>;
+	pinctrl-2 = <&pinctrl_lpi2c3_gpio>;
+	scl-gpios = <&gpio2 29 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+	sda-gpios = <&gpio2 28 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+	status = "okay";
+
+	pmic@25 {
+		compatible = "nxp,pca9451a";
+		reg = <0x25>;
+
+		regulators {
+			buck1: BUCK1 {
+				regulator-name = "BUCK1";
+				regulator-min-microvolt = <650000>;
+				regulator-max-microvolt = <2237500>;
+				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>;
+			};
+
+			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;
+			};
+
+			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;
+			};
+		};
+	};
+
+	wm8904: audio-codec@1a {
+		compatible = "wlf,wm8904";
+		reg = <0x1a>;
+		#sound-dai-cells = <0>;
+		clocks = <&clk IMX93_CLK_SAI1_GATE>;
+		clock-names = "mclk";
+		AVDD-supply = <&buck5>;
+		CPVDD-supply = <&buck5>;
+		DBVDD-supply = <&buck4>;
+		DCVDD-supply = <&buck5>;
+		MICVDD-supply = <&buck5>;
+		wlf,drc-cfg-names = "default", "peaklimiter", "tradition",
+				    "soft", "music";
+		/*
+		 * Config registers per name, respectively:
+		 * KNEE_IP = 0,   KNEE_OP = 0,     HI_COMP = 1,   LO_COMP = 1
+		 * KNEE_IP = -24, KNEE_OP = -6,    HI_COMP = 1/4, LO_COMP = 1
+		 * KNEE_IP = -42, KNEE_OP = -3,    HI_COMP = 0,   LO_COMP = 1
+		 * KNEE_IP = -45, KNEE_OP = -9,    HI_COMP = 1/8, LO_COMP = 1
+		 * KNEE_IP = -30, KNEE_OP = -10.5, HI_COMP = 1/4, LO_COMP = 1
+		 */
+		wlf,drc-cfg-regs = /bits/ 16 <0x01af 0x3248 0x0000 0x0000>,
+				   /bits/ 16 <0x04af 0x324b 0x0010 0x0408>,
+				   /bits/ 16 <0x04af 0x324b 0x0028 0x0704>,
+				   /bits/ 16 <0x04af 0x324b 0x0018 0x078c>,
+				   /bits/ 16 <0x04af 0x324b 0x0010 0x050e>;
+		/* GPIO1 = DMIC_CLK, don't touch others */
+		wlf,gpio-cfg = <0x0018>, <0xffff>, <0xffff>, <0xffff>;
+		/* DMIC is connected to IN1L */
+		wlf,in1l-as-dmicdat1;
+	};
+};
+
+/* BT module */
+&lpuart5 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart5>, <&pinctrl_bt>;
+	uart-has-rtscts;
+	status = "okay";
+
+	bluetooth {
+		compatible = "nxp,88w8987-bt";
+	};
+};
+
+&sai1 {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&pinctrl_sai1>;
+	pinctrl-1 = <&pinctrl_sai1_sleep>;
+	assigned-clocks = <&clk IMX93_CLK_SAI1>;
+	assigned-clock-parents = <&clk IMX93_CLK_AUDIO_PLL>;
+	assigned-clock-rates = <12288000>;
+	#sound-dai-cells = <0>;
+	fsl,sai-mclk-direction-output;
+	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";
+};
+
+/* WiFi */
+&usdhc3 {
+	pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
+	pinctrl-0 = <&pinctrl_usdhc3>, <&pinctrl_usdhc3_wlan>;
+	pinctrl-1 = <&pinctrl_usdhc3_100mhz>, <&pinctrl_usdhc3_wlan>;
+	pinctrl-2 = <&pinctrl_usdhc3_200mhz>, <&pinctrl_usdhc3_wlan>;
+	pinctrl-3 = <&pinctrl_usdhc3_sleep>, <&pinctrl_usdhc3_wlan>;
+	mmc-pwrseq = <&wifi_pwrseq>;
+	keep-power-in-suspend;
+	bus-width = <4>;
+	non-removable;
+	wakeup-source;
+	status = "okay";
+};
+
+&wdog3 {
+	status = "okay";
+};
+
+&iomuxc {
+	pinctrl_bt: btgrp {
+		fsl,pins = <
+			MX91_PAD_ENET2_MDIO__GPIO4_IO15				0x51e
+		>;
+	};
+
+	pinctrl_eqos: eqosgrp {
+		fsl,pins = <
+			MX91_PAD_ENET1_MDC__ENET1_MDC				0x57e
+			MX91_PAD_ENET1_MDIO__ENET_QOS_MDIO			0x57e
+			MX91_PAD_ENET1_RD0__ENET_QOS_RGMII_RD0			0x57e
+			MX91_PAD_ENET1_RD1__ENET_QOS_RGMII_RD1			0x57e
+			MX91_PAD_ENET1_RD2__ENET_QOS_RGMII_RD2			0x57e
+			MX91_PAD_ENET1_RD3__ENET_QOS_RGMII_RD3			0x57e
+			MX91_PAD_ENET1_RXC__ENET_QOS_RGMII_RXC			0x5fe
+			MX91_PAD_ENET1_RX_CTL__ENET_QOS_RGMII_RX_CTL		0x57e
+			MX91_PAD_ENET1_TD0__ENET_QOS_RGMII_TD0			0x57e
+			MX91_PAD_ENET1_TD1__ENET1_RGMII_TD1			0x57e
+			MX91_PAD_ENET1_TD2__ENET_QOS_RGMII_TD2			0x57e
+			MX91_PAD_ENET1_TD3__ENET_QOS_RGMII_TD3			0x57e
+			MX91_PAD_ENET1_TXC__CCM_ENET_QOS_CLOCK_GENERATE_TX_CLK	0x5fe
+			MX91_PAD_ENET1_TX_CTL__ENET_QOS_RGMII_TX_CTL		0x57e
+			MX91_PAD_UART2_TXD__GPIO1_IO7				0x51e
+		>;
+	};
+
+	pinctrl_eqos_sleep: eqos-sleepgrp {
+		fsl,pins = <
+			MX91_PAD_ENET1_MDC__GPIO4_IO0				0x31e
+			MX91_PAD_ENET1_MDIO__GPIO4_IO1				0x31e
+			MX91_PAD_ENET1_RD0__GPIO4_IO10				0x31e
+			MX91_PAD_ENET1_RD1__GPIO4_IO11				0x31e
+			MX91_PAD_ENET1_RD2__GPIO4_IO12				0x31e
+			MX91_PAD_ENET1_RD3__GPIO4_IO13				0x31e
+			MX91_PAD_ENET1_RXC__GPIO4_IO9				0x31e
+			MX91_PAD_ENET1_RX_CTL__GPIO4_IO8			0x31e
+			MX91_PAD_ENET1_TD0__GPIO4_IO5				0x31e
+			MX91_PAD_ENET1_TD1__GPIO4_IO4				0x31e
+			MX91_PAD_ENET1_TD2__GPIO4_IO3				0x31e
+			MX91_PAD_ENET1_TD3__GPIO4_IO2				0x31e
+			MX91_PAD_ENET1_TXC__GPIO4_IO7				0x31e
+			MX91_PAD_ENET1_TX_CTL__GPIO4_IO6			0x31e
+		>;
+	};
+
+	pinctrl_lpi2c3: lpi2c3grp {
+		fsl,pins = <
+			MX91_PAD_GPIO_IO28__LPI2C3_SDA				0x40000b9e
+			MX91_PAD_GPIO_IO29__LPI2C3_SCL				0x40000b9e
+		>;
+	};
+
+	pinctrl_lpi2c3_gpio: lpi2c3gpiogrp {
+		fsl,pins = <
+			MX91_PAD_GPIO_IO28__GPIO2_IO28				0x40000b9e
+			MX91_PAD_GPIO_IO29__GPIO2_IO29				0x40000b9e
+		>;
+	};
+
+	pinctrl_sai1: sai1grp {
+		fsl,pins = <
+			MX91_PAD_SAI1_TXC__SAI1_TX_BCLK				0x31e
+			MX91_PAD_SAI1_TXFS__SAI1_TX_SYNC			0x31e
+			MX91_PAD_SAI1_TXD0__SAI1_TX_DATA0			0x31e
+			MX91_PAD_SAI1_RXD0__SAI1_RX_DATA0			0x31e
+			MX91_PAD_I2C2_SDA__SAI1_RX_BCLK				0x31e
+			MX91_PAD_I2C2_SCL__SAI1_RX_SYNC				0x31e
+			MX91_PAD_UART2_RXD__SAI1_MCLK				0x31e
+		>;
+	};
+
+	pinctrl_sai1_sleep: sai1-sleepgrp {
+		fsl,pins = <
+			MX91_PAD_SAI1_TXC__GPIO1_IO12				0x31e
+			MX91_PAD_SAI1_TXFS__GPIO1_IO11				0x31e
+			MX91_PAD_SAI1_TXD0__GPIO1_IO13				0x31e
+			MX91_PAD_SAI1_RXD0__GPIO1_IO14				0x31e
+			MX91_PAD_UART2_RXD__GPIO1_IO6				0x31e
+			MX91_PAD_I2C2_SDA__GPIO1_IO3				0x31e
+			MX91_PAD_I2C2_SCL__GPIO1_IO2				0x31e
+		>;
+	};
+
+	pinctrl_uart5: uart5grp {
+		fsl,pins = <
+			MX91_PAD_DAP_TDO_TRACESWO__LPUART5_TX			0x31e
+			MX91_PAD_DAP_TDI__LPUART5_RX				0x31e
+			MX91_PAD_DAP_TMS_SWDIO__LPUART5_RTS_B			0x31e
+			MX91_PAD_DAP_TCLK_SWCLK__LPUART5_CTS_B			0x31e
+		>;
+	};
+
+	pinctrl_usdhc1: usdhc1grp {
+		fsl,pins = <
+			MX91_PAD_SD1_CLK__USDHC1_CLK				0x1582
+			MX91_PAD_SD1_CMD__USDHC1_CMD				0x1382
+			MX91_PAD_SD1_DATA0__USDHC1_DATA0			0x1382
+			MX91_PAD_SD1_DATA1__USDHC1_DATA1			0x1382
+			MX91_PAD_SD1_DATA2__USDHC1_DATA2			0x1382
+			MX91_PAD_SD1_DATA3__USDHC1_DATA3			0x1382
+			MX91_PAD_SD1_DATA4__USDHC1_DATA4			0x1382
+			MX91_PAD_SD1_DATA5__USDHC1_DATA5			0x1382
+			MX91_PAD_SD1_DATA6__USDHC1_DATA6			0x1382
+			MX91_PAD_SD1_DATA7__USDHC1_DATA7			0x1382
+			MX91_PAD_SD1_STROBE__USDHC1_STROBE			0x1582
+		>;
+	};
+
+	pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp {
+		fsl,pins = <
+			MX91_PAD_SD1_CLK__USDHC1_CLK				0x158e
+			MX91_PAD_SD1_CMD__USDHC1_CMD				0x138e
+			MX91_PAD_SD1_DATA0__USDHC1_DATA0			0x138e
+			MX91_PAD_SD1_DATA1__USDHC1_DATA1			0x138e
+			MX91_PAD_SD1_DATA2__USDHC1_DATA2			0x138e
+			MX91_PAD_SD1_DATA3__USDHC1_DATA3			0x138e
+			MX91_PAD_SD1_DATA4__USDHC1_DATA4			0x138e
+			MX91_PAD_SD1_DATA5__USDHC1_DATA5			0x138e
+			MX91_PAD_SD1_DATA6__USDHC1_DATA6			0x138e
+			MX91_PAD_SD1_DATA7__USDHC1_DATA7			0x138e
+			MX91_PAD_SD1_STROBE__USDHC1_STROBE			0x158e
+		>;
+	};
+
+	pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp {
+		fsl,pins = <
+			MX91_PAD_SD1_CLK__USDHC1_CLK				0x15fe
+			MX91_PAD_SD1_CMD__USDHC1_CMD				0x13fe
+			MX91_PAD_SD1_DATA0__USDHC1_DATA0			0x13fe
+			MX91_PAD_SD1_DATA1__USDHC1_DATA1			0x13fe
+			MX91_PAD_SD1_DATA2__USDHC1_DATA2			0x13fe
+			MX91_PAD_SD1_DATA3__USDHC1_DATA3			0x13fe
+			MX91_PAD_SD1_DATA4__USDHC1_DATA4			0x13fe
+			MX91_PAD_SD1_DATA5__USDHC1_DATA5			0x13fe
+			MX91_PAD_SD1_DATA6__USDHC1_DATA6			0x13fe
+			MX91_PAD_SD1_DATA7__USDHC1_DATA7			0x13fe
+			MX91_PAD_SD1_STROBE__USDHC1_STROBE			0x15fe
+		>;
+	};
+
+	pinctrl_usdhc3: usdhc3grp {
+		fsl,pins = <
+			MX91_PAD_SD3_CLK__USDHC3_CLK				0x1582
+			MX91_PAD_SD3_CMD__USDHC3_CMD				0x1382
+			MX91_PAD_SD3_DATA0__USDHC3_DATA0			0x1382
+			MX91_PAD_SD3_DATA1__USDHC3_DATA1			0x1382
+			MX91_PAD_SD3_DATA2__USDHC3_DATA2			0x1382
+			MX91_PAD_SD3_DATA3__USDHC3_DATA3			0x1382
+		>;
+	};
+
+	pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
+		fsl,pins = <
+			MX91_PAD_SD3_CLK__USDHC3_CLK				0x158e
+			MX91_PAD_SD3_CMD__USDHC3_CMD				0x138e
+			MX91_PAD_SD3_DATA0__USDHC3_DATA0			0x138e
+			MX91_PAD_SD3_DATA1__USDHC3_DATA1			0x138e
+			MX91_PAD_SD3_DATA2__USDHC3_DATA2			0x138e
+			MX91_PAD_SD3_DATA3__USDHC3_DATA3			0x138e
+		>;
+	};
+
+	pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
+		fsl,pins = <
+			MX91_PAD_SD3_CLK__USDHC3_CLK				0x15fe
+			MX91_PAD_SD3_CMD__USDHC3_CMD				0x13fe
+			MX91_PAD_SD3_DATA0__USDHC3_DATA0			0x13fe
+			MX91_PAD_SD3_DATA1__USDHC3_DATA1			0x13fe
+			MX91_PAD_SD3_DATA2__USDHC3_DATA2			0x13fe
+			MX91_PAD_SD3_DATA3__USDHC3_DATA3			0x13fe
+		>;
+	};
+
+	pinctrl_usdhc3_sleep: usdhc3-sleepgrp {
+		fsl,pins = <
+			MX91_PAD_SD3_CLK__GPIO3_IO20				0x31e
+			MX91_PAD_SD3_CMD__GPIO3_IO21				0x31e
+			MX91_PAD_SD3_DATA0__GPIO3_IO22				0x31e
+			MX91_PAD_SD3_DATA1__GPIO3_IO23				0x31e
+			MX91_PAD_SD3_DATA2__GPIO3_IO24				0x31e
+			MX91_PAD_SD3_DATA3__GPIO3_IO25				0x31e
+		>;
+	};
+
+	pinctrl_usdhc3_wlan: usdhc3wlangrp {
+		fsl,pins = <
+			MX91_PAD_ENET2_MDC__GPIO4_IO14				0x51e
+			MX91_PAD_SD2_RESET_B__GPIO3_IO7				0x51e
+		>;
+	};
+};
-- 
2.47.3

[PATCH v1 3/3] arm64: dts: imx91-var-dart: Add support for Variscite Sonata board

[Stefano Radaelli]

From: Stefano Radaelli <stefano.r@variscite.com>

Add device tree support for the Variscite Sonata carrier board with
the DART-MX91 system on module.

The Sonata board includes
- uSD Card support
- USB ports and OTG
- Additional Gigabit Ethernet interface
- Uart interfaces
- GPIO Expanders
- RTC module
- TPM module

Link: https://variscite.com/carrier-boards/sonata-board/
Signed-off-by: Stefano Radaelli <stefano.r@variscite.com>
---
 arch/arm64/boot/dts/freescale/Makefile        |   1 +
 .../dts/freescale/imx91-var-dart-sonata.dts   | 498 ++++++++++++++++++
 2 files changed, 499 insertions(+)
 create mode 100644 arch/arm64/boot/dts/freescale/imx91-var-dart-sonata.dts

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index f30d3fd724d0..839d98bdd2a1 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -370,6 +370,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8ulp-evk.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx91-11x11-evk.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx91-phyboard-segin.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx91-tqma9131-mba91xxca.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx91-var-dart-sonata.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx93-9x9-qsb.dtb
 
 imx93-9x9-qsb-i3c-dtbs += imx93-9x9-qsb.dtb imx93-9x9-qsb-i3c.dtbo
diff --git a/arch/arm64/boot/dts/freescale/imx91-var-dart-sonata.dts b/arch/arm64/boot/dts/freescale/imx91-var-dart-sonata.dts
new file mode 100644
index 000000000000..8e4bcebfdda5
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx91-var-dart-sonata.dts
@@ -0,0 +1,498 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Variscite Sonata carrier board for DART-MX91
+ *
+ * Link: https://variscite.com/carrier-boards/sonata-board/
+ *
+ * Copyright (C) 2025 Variscite Ltd. - https://www.variscite.com/
+ *
+ */
+
+/dts-v1/;
+
+#include "imx91-var-dart.dtsi"
+
+/ {
+	model = "Variscite DART-MX91 on Sonata-Board";
+	compatible = "variscite,var-dart-mx91-sonata",
+		     "variscite,var-dart-mx91",
+		     "fsl,imx91";
+
+	aliases {
+		ethernet0 = &eqos;
+		ethernet1 = &fec;
+		gpio0 = &gpio1;
+		gpio1 = &gpio2;
+		gpio2 = &gpio3;
+		i2c0 = &lpi2c1;
+		i2c1 = &lpi2c2;
+		i2c2 = &lpi2c3;
+		mmc0 = &usdhc1;
+		mmc1 = &usdhc2;
+		serial0 = &lpuart1;
+		serial1 = &lpuart2;
+		serial2 = &lpuart3;
+		serial3 = &lpuart4;
+		serial4 = &lpuart5;
+		serial5 = &lpuart6;
+	};
+
+	chosen {
+		stdout-path = &lpuart1;
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+
+		led-emmc {
+			label = "eMMC";
+			gpios = <&pca6408_2 7 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "mmc0";
+		};
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		button-back {
+			label = "Back";
+			linux,code = <KEY_BACK>;
+			gpios = <&pca6408_1 7 GPIO_ACTIVE_LOW>;
+			wakeup-source;
+		};
+
+		button-up {
+			label = "Up";
+			linux,code = <KEY_UP>;
+			gpios = <&pca6408_1 5 GPIO_ACTIVE_LOW>;
+			wakeup-source;
+		};
+
+		button-home {
+			label = "Home";
+			linux,code = <KEY_HOME>;
+			gpios = <&pca6408_1 4 GPIO_ACTIVE_LOW>;
+			wakeup-source;
+		};
+
+		button-down {
+			label = "Down";
+			linux,code = <KEY_DOWN>;
+			gpios = <&pca6408_1 6 GPIO_ACTIVE_LOW>;
+			wakeup-source;
+		};
+	};
+
+	reg_usdhc2_vmmc: regulator-vmmc-usdhc2 {
+		compatible = "regulator-fixed";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_reg_usdhc2_vmmc>;
+		regulator-name = "VDD_SD2_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio4 28 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+		off-on-delay-us = <20000>;
+	};
+
+	reg_vref_1v8: regulator-adc-vref {
+		compatible = "regulator-fixed";
+		regulator-name = "vref_1v8";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+	};
+
+	reserved-memory {
+		ranges;
+		#address-cells = <2>;
+		#size-cells = <2>;
+
+		linux,cma {
+			compatible = "shared-dma-pool";
+			alloc-ranges = <0 0x80000000 0 0x40000000>;
+			reusable;
+			size = <0 0x10000000>;
+			linux,cma-default;
+		};
+	};
+};
+
+&adc1 {
+	vref-supply = <&reg_vref_1v8>;
+	status = "okay";
+};
+
+/* Use external instead of internal RTC */
+&bbnsm_rtc {
+	status = "disabled";
+};
+
+&eqos {
+	mdio {
+		ethphy1: ethernet-phy@1 {
+			compatible = "ethernet-phy-ieee802.3-c22";
+			reg = <1>;
+			reset-gpios = <&pca6408_2 0 GPIO_ACTIVE_LOW>;
+			reset-assert-us = <15000>;
+			reset-deassert-us = <100000>;
+
+			leds {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				led@0 {
+					reg = <0>;
+					color = <LED_COLOR_ID_YELLOW>;
+					function = LED_FUNCTION_LAN;
+					linux,default-trigger = "netdev";
+				};
+
+				led@1 {
+					reg = <1>;
+					color = <LED_COLOR_ID_GREEN>;
+					function = LED_FUNCTION_LAN;
+					linux,default-trigger = "netdev";
+				};
+			};
+		};
+	};
+};
+
+&fec {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&pinctrl_fec>;
+	pinctrl-1 = <&pinctrl_fec_sleep>;
+	/*
+	 * The required RGMII TX and RX 2ns delays are implemented directly
+	 * in hardware via passive delay elements on the SOM PCB.
+	 * No delay configuration is needed in software via PHY driver.
+	 */
+	phy-mode = "rgmii";
+	phy-handle = <&ethphy1>;
+	status = "okay";
+};
+
+&flexcan1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_flexcan1>;
+	status = "okay";
+};
+
+&lpi2c1 {
+	clock-frequency = <400000>;
+	pinctrl-names = "default", "sleep", "gpio";
+	pinctrl-0 = <&pinctrl_lpi2c1>;
+	pinctrl-1 = <&pinctrl_lpi2c1_gpio>;
+	pinctrl-2 = <&pinctrl_lpi2c1_gpio>;
+	scl-gpios = <&gpio1 0 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+	sda-gpios = <&gpio1 1 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+	status = "okay";
+
+	pca6408_1: gpio@20 {
+		compatible = "nxp,pcal6408";
+		reg = <0x20>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <10 IRQ_TYPE_LEVEL_LOW>;
+	};
+
+	pca6408_2: gpio@21 {
+		compatible = "nxp,pcal6408";
+		reg = <0x21>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <10 IRQ_TYPE_LEVEL_LOW>;
+	};
+
+	pca9534: gpio@22 {
+		compatible = "nxp,pca9534";
+		reg = <0x22>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <10 IRQ_TYPE_LEVEL_LOW>;
+	};
+
+	st33ktpm2xi2c: tpm@2e {
+		compatible = "st,st33ktpm2xi2c", "tcg,tpm-tis-i2c";
+		reg = <0x2e>;
+	};
+
+	/* Capacitive touch controller */
+	ft5x06_ts: touchscreen@38 {
+		compatible = "edt,edt-ft5206";
+		reg = <0x38>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_captouch>;
+		reset-gpios = <&pca6408_2 4 GPIO_ACTIVE_LOW>;
+		interrupt-parent = <&gpio3>;
+		interrupts = <27 IRQ_TYPE_EDGE_FALLING>;
+		touchscreen-size-x = <800>;
+		touchscreen-size-y = <480>;
+		touchscreen-inverted-x;
+		touchscreen-inverted-y;
+		wakeup-source;
+	};
+
+	/* USB Type-C Controller */
+	typec@3d {
+		compatible = "nxp,ptn5150";
+		reg = <0x3d>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_extcon>;
+		interrupt-parent = <&gpio4>;
+		interrupts = <29 IRQ_TYPE_LEVEL_HIGH>;
+
+		port {
+			typec1_dr_sw: endpoint {
+				remote-endpoint = <&usb1_drd_sw>;
+			};
+		};
+	};
+
+	rtc@68 {
+		compatible = "dallas,ds1337";
+		reg = <0x68>;
+	};
+};
+
+/* Console (J10) */
+&lpuart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart1>;
+	status = "okay";
+};
+
+/* Header (J12.4, J12.6) */
+&lpuart6 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart6>;
+	status = "okay";
+};
+
+&usbotg1 {
+	dr_mode = "otg";
+	hnp-disable;
+	srp-disable;
+	adp-disable;
+	usb-role-switch;
+	disable-over-current;
+	samsung,picophy-pre-emp-curr-control = <3>;
+	samsung,picophy-dc-vol-level-adjust = <7>;
+	status = "okay";
+
+	port {
+		usb1_drd_sw: endpoint {
+			remote-endpoint = <&typec1_dr_sw>;
+		};
+	};
+};
+
+&usbotg2 {
+	disable-over-current;
+	dr_mode = "host";
+	status = "okay";
+};
+
+/* SD */
+&usdhc2 {
+	pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
+	pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
+	pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_gpio>;
+	pinctrl-2 = <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_gpio>;
+	pinctrl-3 = <&pinctrl_usdhc2_sleep>, <&pinctrl_usdhc2_gpio_sleep>;
+	cd-gpios = <&gpio3 0 GPIO_ACTIVE_LOW>;
+	vmmc-supply = <&reg_usdhc2_vmmc>;
+	bus-width = <4>;
+	no-sdio;
+	no-mmc;
+	status = "okay";
+};
+
+&iomuxc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_hog>;
+
+	pinctrl_hog: hoggrp {
+		fsl,pins = <
+			/* GPIO Expanders shared IRQ */
+			MX91_PAD_PDM_BIT_STREAM1__GPIO1_IO10            0x31e
+		>;
+	};
+
+	pinctrl_captouch: captouchgrp {
+		fsl,pins = <
+			MX91_PAD_CCM_CLKO2__GPIO3_IO27			0x31e
+		>;
+	};
+
+	pinctrl_extcon: extcongrp {
+		fsl,pins = <
+			MX91_PAD_CCM_CLKO4__GPIO4_IO29			0x31e
+		>;
+	};
+
+	pinctrl_fec: fecgrp {
+		fsl,pins = <
+			MX91_PAD_ENET2_RD0__ENET2_RGMII_RD0             0x57e
+			MX91_PAD_ENET2_RD1__ENET2_RGMII_RD1             0x57e
+			MX91_PAD_ENET2_RD2__ENET2_RGMII_RD2             0x57e
+			MX91_PAD_ENET2_RD3__ENET2_RGMII_RD3             0x37e
+			MX91_PAD_ENET2_RXC__ENET2_RGMII_RXC             0x5fe
+			MX91_PAD_ENET2_RX_CTL__ENET2_RGMII_RX_CTL       0x57e
+			MX91_PAD_ENET2_TD0__ENET2_RGMII_TD0             0x57e
+			MX91_PAD_ENET2_TD1__ENET2_RGMII_TD1             0x57e
+			MX91_PAD_ENET2_TD2__ENET2_RGMII_TD2             0x57e
+			MX91_PAD_ENET2_TD3__ENET2_RGMII_TD3             0x57e
+			MX91_PAD_ENET2_TXC__ENET2_RGMII_TXC             0x5fe
+			MX91_PAD_ENET2_TX_CTL__ENET2_RGMII_TX_CTL       0x57e
+		>;
+	};
+
+	pinctrl_fec_sleep: fecsleepgrp {
+		fsl,pins = <
+			MX91_PAD_ENET2_RD0__GPIO4_IO24                  0x51e
+			MX91_PAD_ENET2_RD1__GPIO4_IO25                  0x51e
+			MX91_PAD_ENET2_RD2__GPIO4_IO26                  0x51e
+			MX91_PAD_ENET2_RD3__GPIO4_IO27                  0x31e
+			MX91_PAD_ENET2_RXC__GPIO4_IO23                  0x51e
+			MX91_PAD_ENET2_RX_CTL__GPIO4_IO22               0x51e
+			MX91_PAD_ENET2_TD0__GPIO4_IO19                  0x51e
+			MX91_PAD_ENET2_TD1__GPIO4_IO18                  0x51e
+			MX91_PAD_ENET2_TD2__GPIO4_IO17                  0x51e
+			MX91_PAD_ENET2_TD3__GPIO4_IO16                  0x51e
+			MX91_PAD_ENET2_TXC__GPIO4_IO21                  0x51e
+			MX91_PAD_ENET2_TX_CTL__GPIO4_IO20               0x51e
+		>;
+	};
+
+	pinctrl_flexcan1: flexcan1grp {
+		fsl,pins = <
+			MX91_PAD_PDM_CLK__CAN1_TX			0x139e
+			MX91_PAD_PDM_BIT_STREAM0__CAN1_RX		0x139e
+		>;
+	};
+
+	pinctrl_lpi2c1: lpi2c1grp {
+		fsl,pins = <
+			MX91_PAD_I2C1_SCL__LPI2C1_SCL			0x40000b9e
+			MX91_PAD_I2C1_SDA__LPI2C1_SDA			0x40000b9e
+		>;
+	};
+
+	pinctrl_lpi2c1_gpio: lpi2c1-gpiogrp {
+		fsl,pins = <
+			MX91_PAD_I2C1_SCL__GPIO1_IO0			0x31e
+			MX91_PAD_I2C1_SDA__GPIO1_IO1			0x31e
+		>;
+	};
+
+	pinctrl_lpi2c7: lpi2c7grp {
+		fsl,pins = <
+			MX91_PAD_GPIO_IO07__LPI2C7_SCL			0x40000b9e
+			MX91_PAD_GPIO_IO06__LPI2C7_SDA			0x40000b9e
+		>;
+	};
+
+	pinctrl_lpi2c7_gpio: lpi2c7-gpiogrp {
+		fsl,pins = <
+			MX91_PAD_GPIO_IO07__GPIO2_IO7			0x31e
+			MX91_PAD_GPIO_IO06__GPIO2_IO6			0x31e
+		>;
+	};
+
+	pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {
+		fsl,pins = <
+			MX91_PAD_CCM_CLKO3__GPIO4_IO28			0x31e
+		>;
+	};
+
+	pinctrl_rtc: rtcgrp {
+		fsl,pins = <
+			MX91_PAD_GPIO_IO02__GPIO2_IO2			0x31e
+		>;
+	};
+
+	pinctrl_uart1: uart1grp {
+		fsl,pins = <
+			MX91_PAD_UART1_RXD__LPUART1_RX			0x31e
+			MX91_PAD_UART1_TXD__LPUART1_TX			0x31e
+		>;
+	};
+
+	pinctrl_uart6: uart6grp {
+		fsl,pins = <
+			MX91_PAD_GPIO_IO05__LPUART6_RX			0x31e
+			MX91_PAD_GPIO_IO04__LPUART6_TX			0x31e
+		>;
+	};
+
+	pinctrl_uart7: uart7grp {
+		fsl,pins = <
+			MX91_PAD_GPIO_IO09__LPUART7_RX			0x31e
+			MX91_PAD_GPIO_IO08__LPUART7_TX			0x31e
+		>;
+	};
+
+	pinctrl_usdhc2: usdhc2grp {
+		fsl,pins = <
+			MX91_PAD_SD2_CLK__USDHC2_CLK			0x1582
+			MX91_PAD_SD2_CMD__USDHC2_CMD			0x1382
+			MX91_PAD_SD2_DATA0__USDHC2_DATA0		0x1382
+			MX91_PAD_SD2_DATA1__USDHC2_DATA1		0x1382
+			MX91_PAD_SD2_DATA2__USDHC2_DATA2		0x1382
+			MX91_PAD_SD2_DATA3__USDHC2_DATA3		0x1382
+			MX91_PAD_SD2_VSELECT__USDHC2_VSELECT		0x51e
+		>;
+	};
+
+	pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
+		fsl,pins = <
+			MX91_PAD_SD2_CLK__USDHC2_CLK			0x158e
+			MX91_PAD_SD2_CMD__USDHC2_CMD			0x138e
+			MX91_PAD_SD2_DATA0__USDHC2_DATA0		0x138e
+			MX91_PAD_SD2_DATA1__USDHC2_DATA1		0x138e
+			MX91_PAD_SD2_DATA2__USDHC2_DATA2		0x138e
+			MX91_PAD_SD2_DATA3__USDHC2_DATA3		0x138e
+			MX91_PAD_SD2_VSELECT__USDHC2_VSELECT		0x51e
+		>;
+	};
+
+	pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
+		fsl,pins = <
+			MX91_PAD_SD2_CLK__USDHC2_CLK			0x15fe
+			MX91_PAD_SD2_CMD__USDHC2_CMD			0x13fe
+			MX91_PAD_SD2_DATA0__USDHC2_DATA0		0x13fe
+			MX91_PAD_SD2_DATA1__USDHC2_DATA1		0x13fe
+			MX91_PAD_SD2_DATA2__USDHC2_DATA2		0x13fe
+			MX91_PAD_SD2_DATA3__USDHC2_DATA3		0x13fe
+			MX91_PAD_SD2_VSELECT__USDHC2_VSELECT		0x51e
+		>;
+	};
+
+	pinctrl_usdhc2_sleep: usdhc2sleepgrp {
+		fsl,pins = <
+			MX91_PAD_SD2_CLK__GPIO3_IO1			0x51e
+			MX91_PAD_SD2_CMD__GPIO3_IO2			0x51e
+			MX91_PAD_SD2_DATA0__GPIO3_IO3			0x51e
+			MX91_PAD_SD2_DATA1__GPIO3_IO4			0x51e
+			MX91_PAD_SD2_DATA2__GPIO3_IO5			0x51e
+			MX91_PAD_SD2_DATA3__GPIO3_IO6			0x51e
+			MX91_PAD_SD2_VSELECT__GPIO3_IO19		0x51e
+		>;
+	};
+
+	pinctrl_usdhc2_gpio: usdhc2gpiogrp {
+		fsl,pins = <
+			MX91_PAD_SD2_CD_B__GPIO3_IO0			0x31e
+		>;
+	};
+
+	pinctrl_usdhc2_gpio_sleep: usdhc2gpiosleepgrp {
+		fsl,pins = <
+			MX91_PAD_SD2_CD_B__GPIO3_IO0			0x51e
+		>;
+	};
+};
-- 
2.47.3

Re: [PATCH v1 1/3] dt-bindings: arm: fsl: add Variscite DART-MX91 Boards

[Conor Dooley]

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Acked-by: Conor Dooley <conor.dooley@microchip.com>
pw-bot: not-applicable

[-- Attachment #2: signature.asc --]
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Re: [PATCH v1 2/3] arm64: dts: freescale: Add support for Variscite DART-MX91

[Frank Li]

On Wed, Feb 04, 2026 at 06:03:55PM +0100, Stefano Radaelli wrote:
> From: Stefano Radaelli <stefano.r@variscite.com>
>
> Add device tree support for the Variscite DART-MX91 system on module.
> This SOM is designed to be used with various carrier boards.
>
> The module includes:
> - NXP i.MX91 MPU processor
> - Up to 2GB of LPDDR4 memory
> - Up to 128GB of eMMC storage memory
> - Integrated 10/100/1000 Mbps Ethernet Transceiver
> - Codec audio WM8904
> - WIFI6 dual-band 802.11ax/ac/a/b/g/n with optional 802.15.4 and Bluetooth
>
> Only SOM-specific peripherals are enabled by default. Carrier board
> specific interfaces are left disabled to be enabled in the respective
> carrier board device trees.
>
> Link: https://variscite.com/system-on-module-som/i-mx-9/i-mx-91/dart-mx91/
>
> Signed-off-by: Stefano Radaelli <stefano.r@variscite.com>
> ---
...
> +
> +&lpi2c3 {
> +	clock-frequency = <400000>;
> +	pinctrl-names = "default", "sleep", "gpio";
> +	pinctrl-0 = <&pinctrl_lpi2c3>;
> +	pinctrl-1 = <&pinctrl_lpi2c3_gpio>;
> +	pinctrl-2 = <&pinctrl_lpi2c3_gpio>;
> +	scl-gpios = <&gpio2 29 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
> +	sda-gpios = <&gpio2 28 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
> +	status = "okay";
> +
> +	pmic@25 {
> +		compatible = "nxp,pca9451a";
> +		reg = <0x25>;
> +
> +		regulators {
> +			buck1: BUCK1 {
> +				regulator-name = "BUCK1";
> +				regulator-min-microvolt = <650000>;
> +				regulator-max-microvolt = <2237500>;
> +				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>;
> +			};
> +
> +			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;
> +			};
> +
> +			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;
> +			};
> +		};
> +	};
> +
> +	wm8904: audio-codec@1a {

order as hex address value

Frank
> +		compatible = "wlf,wm8904";
> +		reg = <0x1a>;
> +		#sound-dai-cells = <0>;
> +		clocks = <&clk IMX93_CLK_SAI1_GATE>;
> +		clock-names = "mclk";
> +		AVDD-supply = <&buck5>;
> +		CPVDD-supply = <&buck5>;
> +		DBVDD-supply = <&buck4>;
> +		DCVDD-supply = <&buck5>;
> +		MICVDD-supply = <&buck5>;
> +		wlf,drc-cfg-names = "default", "peaklimiter", "tradition",
> +				    "soft", "music";
> +		/*
> +		 * Config registers per name, respectively:
> +		 * KNEE_IP = 0,   KNEE_OP = 0,     HI_COMP = 1,   LO_COMP = 1
> +		 * KNEE_IP = -24, KNEE_OP = -6,    HI_COMP = 1/4, LO_COMP = 1
> +		 * KNEE_IP = -42, KNEE_OP = -3,    HI_COMP = 0,   LO_COMP = 1
> +		 * KNEE_IP = -45, KNEE_OP = -9,    HI_COMP = 1/8, LO_COMP = 1
> +		 * KNEE_IP = -30, KNEE_OP = -10.5, HI_COMP = 1/4, LO_COMP = 1
> +		 */
> +		wlf,drc-cfg-regs = /bits/ 16 <0x01af 0x3248 0x0000 0x0000>,
> +				   /bits/ 16 <0x04af 0x324b 0x0010 0x0408>,
> +				   /bits/ 16 <0x04af 0x324b 0x0028 0x0704>,
> +				   /bits/ 16 <0x04af 0x324b 0x0018 0x078c>,
> +				   /bits/ 16 <0x04af 0x324b 0x0010 0x050e>;
> +		/* GPIO1 = DMIC_CLK, don't touch others */
> +		wlf,gpio-cfg = <0x0018>, <0xffff>, <0xffff>, <0xffff>;
> +		/* DMIC is connected to IN1L */
> +		wlf,in1l-as-dmicdat1;
> +	};
> +};
> +
> +/* BT module */
> +&lpuart5 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_uart5>, <&pinctrl_bt>;
> +	uart-has-rtscts;
> +	status = "okay";
> +
> +	bluetooth {
> +		compatible = "nxp,88w8987-bt";
> +	};
> +};
> +
> +&sai1 {
> +	pinctrl-names = "default", "sleep";
> +	pinctrl-0 = <&pinctrl_sai1>;
> +	pinctrl-1 = <&pinctrl_sai1_sleep>;
> +	assigned-clocks = <&clk IMX93_CLK_SAI1>;
> +	assigned-clock-parents = <&clk IMX93_CLK_AUDIO_PLL>;
> +	assigned-clock-rates = <12288000>;
> +	#sound-dai-cells = <0>;
> +	fsl,sai-mclk-direction-output;
> +	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";
> +};
> +
> +/* WiFi */
> +&usdhc3 {
> +	pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
> +	pinctrl-0 = <&pinctrl_usdhc3>, <&pinctrl_usdhc3_wlan>;
> +	pinctrl-1 = <&pinctrl_usdhc3_100mhz>, <&pinctrl_usdhc3_wlan>;
> +	pinctrl-2 = <&pinctrl_usdhc3_200mhz>, <&pinctrl_usdhc3_wlan>;
> +	pinctrl-3 = <&pinctrl_usdhc3_sleep>, <&pinctrl_usdhc3_wlan>;
> +	mmc-pwrseq = <&wifi_pwrseq>;
> +	keep-power-in-suspend;
> +	bus-width = <4>;
> +	non-removable;
> +	wakeup-source;
> +	status = "okay";
> +};
> +
> +&wdog3 {
> +	status = "okay";
> +};
> +
> +&iomuxc {
> +	pinctrl_bt: btgrp {
> +		fsl,pins = <
> +			MX91_PAD_ENET2_MDIO__GPIO4_IO15				0x51e
> +		>;
> +	};
> +
> +	pinctrl_eqos: eqosgrp {
> +		fsl,pins = <
> +			MX91_PAD_ENET1_MDC__ENET1_MDC				0x57e
> +			MX91_PAD_ENET1_MDIO__ENET_QOS_MDIO			0x57e
> +			MX91_PAD_ENET1_RD0__ENET_QOS_RGMII_RD0			0x57e
> +			MX91_PAD_ENET1_RD1__ENET_QOS_RGMII_RD1			0x57e
> +			MX91_PAD_ENET1_RD2__ENET_QOS_RGMII_RD2			0x57e
> +			MX91_PAD_ENET1_RD3__ENET_QOS_RGMII_RD3			0x57e
> +			MX91_PAD_ENET1_RXC__ENET_QOS_RGMII_RXC			0x5fe
> +			MX91_PAD_ENET1_RX_CTL__ENET_QOS_RGMII_RX_CTL		0x57e
> +			MX91_PAD_ENET1_TD0__ENET_QOS_RGMII_TD0			0x57e
> +			MX91_PAD_ENET1_TD1__ENET1_RGMII_TD1			0x57e
> +			MX91_PAD_ENET1_TD2__ENET_QOS_RGMII_TD2			0x57e
> +			MX91_PAD_ENET1_TD3__ENET_QOS_RGMII_TD3			0x57e
> +			MX91_PAD_ENET1_TXC__CCM_ENET_QOS_CLOCK_GENERATE_TX_CLK	0x5fe
> +			MX91_PAD_ENET1_TX_CTL__ENET_QOS_RGMII_TX_CTL		0x57e
> +			MX91_PAD_UART2_TXD__GPIO1_IO7				0x51e
> +		>;
> +	};
> +
> +	pinctrl_eqos_sleep: eqos-sleepgrp {
> +		fsl,pins = <
> +			MX91_PAD_ENET1_MDC__GPIO4_IO0				0x31e
> +			MX91_PAD_ENET1_MDIO__GPIO4_IO1				0x31e
> +			MX91_PAD_ENET1_RD0__GPIO4_IO10				0x31e
> +			MX91_PAD_ENET1_RD1__GPIO4_IO11				0x31e
> +			MX91_PAD_ENET1_RD2__GPIO4_IO12				0x31e
> +			MX91_PAD_ENET1_RD3__GPIO4_IO13				0x31e
> +			MX91_PAD_ENET1_RXC__GPIO4_IO9				0x31e
> +			MX91_PAD_ENET1_RX_CTL__GPIO4_IO8			0x31e
> +			MX91_PAD_ENET1_TD0__GPIO4_IO5				0x31e
> +			MX91_PAD_ENET1_TD1__GPIO4_IO4				0x31e
> +			MX91_PAD_ENET1_TD2__GPIO4_IO3				0x31e
> +			MX91_PAD_ENET1_TD3__GPIO4_IO2				0x31e
> +			MX91_PAD_ENET1_TXC__GPIO4_IO7				0x31e
> +			MX91_PAD_ENET1_TX_CTL__GPIO4_IO6			0x31e
> +		>;
> +	};
> +
> +	pinctrl_lpi2c3: lpi2c3grp {
> +		fsl,pins = <
> +			MX91_PAD_GPIO_IO28__LPI2C3_SDA				0x40000b9e
> +			MX91_PAD_GPIO_IO29__LPI2C3_SCL				0x40000b9e
> +		>;
> +	};
> +
> +	pinctrl_lpi2c3_gpio: lpi2c3gpiogrp {
> +		fsl,pins = <
> +			MX91_PAD_GPIO_IO28__GPIO2_IO28				0x40000b9e
> +			MX91_PAD_GPIO_IO29__GPIO2_IO29				0x40000b9e
> +		>;
> +	};
> +
> +	pinctrl_sai1: sai1grp {
> +		fsl,pins = <
> +			MX91_PAD_SAI1_TXC__SAI1_TX_BCLK				0x31e
> +			MX91_PAD_SAI1_TXFS__SAI1_TX_SYNC			0x31e
> +			MX91_PAD_SAI1_TXD0__SAI1_TX_DATA0			0x31e
> +			MX91_PAD_SAI1_RXD0__SAI1_RX_DATA0			0x31e
> +			MX91_PAD_I2C2_SDA__SAI1_RX_BCLK				0x31e
> +			MX91_PAD_I2C2_SCL__SAI1_RX_SYNC				0x31e
> +			MX91_PAD_UART2_RXD__SAI1_MCLK				0x31e
> +		>;
> +	};
> +
> +	pinctrl_sai1_sleep: sai1-sleepgrp {
> +		fsl,pins = <
> +			MX91_PAD_SAI1_TXC__GPIO1_IO12				0x31e
> +			MX91_PAD_SAI1_TXFS__GPIO1_IO11				0x31e
> +			MX91_PAD_SAI1_TXD0__GPIO1_IO13				0x31e
> +			MX91_PAD_SAI1_RXD0__GPIO1_IO14				0x31e
> +			MX91_PAD_UART2_RXD__GPIO1_IO6				0x31e
> +			MX91_PAD_I2C2_SDA__GPIO1_IO3				0x31e
> +			MX91_PAD_I2C2_SCL__GPIO1_IO2				0x31e
> +		>;
> +	};
> +
> +	pinctrl_uart5: uart5grp {
> +		fsl,pins = <
> +			MX91_PAD_DAP_TDO_TRACESWO__LPUART5_TX			0x31e
> +			MX91_PAD_DAP_TDI__LPUART5_RX				0x31e
> +			MX91_PAD_DAP_TMS_SWDIO__LPUART5_RTS_B			0x31e
> +			MX91_PAD_DAP_TCLK_SWCLK__LPUART5_CTS_B			0x31e
> +		>;
> +	};
> +
> +	pinctrl_usdhc1: usdhc1grp {
> +		fsl,pins = <
> +			MX91_PAD_SD1_CLK__USDHC1_CLK				0x1582
> +			MX91_PAD_SD1_CMD__USDHC1_CMD				0x1382
> +			MX91_PAD_SD1_DATA0__USDHC1_DATA0			0x1382
> +			MX91_PAD_SD1_DATA1__USDHC1_DATA1			0x1382
> +			MX91_PAD_SD1_DATA2__USDHC1_DATA2			0x1382
> +			MX91_PAD_SD1_DATA3__USDHC1_DATA3			0x1382
> +			MX91_PAD_SD1_DATA4__USDHC1_DATA4			0x1382
> +			MX91_PAD_SD1_DATA5__USDHC1_DATA5			0x1382
> +			MX91_PAD_SD1_DATA6__USDHC1_DATA6			0x1382
> +			MX91_PAD_SD1_DATA7__USDHC1_DATA7			0x1382
> +			MX91_PAD_SD1_STROBE__USDHC1_STROBE			0x1582
> +		>;
> +	};
> +
> +	pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp {
> +		fsl,pins = <
> +			MX91_PAD_SD1_CLK__USDHC1_CLK				0x158e
> +			MX91_PAD_SD1_CMD__USDHC1_CMD				0x138e
> +			MX91_PAD_SD1_DATA0__USDHC1_DATA0			0x138e
> +			MX91_PAD_SD1_DATA1__USDHC1_DATA1			0x138e
> +			MX91_PAD_SD1_DATA2__USDHC1_DATA2			0x138e
> +			MX91_PAD_SD1_DATA3__USDHC1_DATA3			0x138e
> +			MX91_PAD_SD1_DATA4__USDHC1_DATA4			0x138e
> +			MX91_PAD_SD1_DATA5__USDHC1_DATA5			0x138e
> +			MX91_PAD_SD1_DATA6__USDHC1_DATA6			0x138e
> +			MX91_PAD_SD1_DATA7__USDHC1_DATA7			0x138e
> +			MX91_PAD_SD1_STROBE__USDHC1_STROBE			0x158e
> +		>;
> +	};
> +
> +	pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp {
> +		fsl,pins = <
> +			MX91_PAD_SD1_CLK__USDHC1_CLK				0x15fe
> +			MX91_PAD_SD1_CMD__USDHC1_CMD				0x13fe
> +			MX91_PAD_SD1_DATA0__USDHC1_DATA0			0x13fe
> +			MX91_PAD_SD1_DATA1__USDHC1_DATA1			0x13fe
> +			MX91_PAD_SD1_DATA2__USDHC1_DATA2			0x13fe
> +			MX91_PAD_SD1_DATA3__USDHC1_DATA3			0x13fe
> +			MX91_PAD_SD1_DATA4__USDHC1_DATA4			0x13fe
> +			MX91_PAD_SD1_DATA5__USDHC1_DATA5			0x13fe
> +			MX91_PAD_SD1_DATA6__USDHC1_DATA6			0x13fe
> +			MX91_PAD_SD1_DATA7__USDHC1_DATA7			0x13fe
> +			MX91_PAD_SD1_STROBE__USDHC1_STROBE			0x15fe
> +		>;
> +	};
> +
> +	pinctrl_usdhc3: usdhc3grp {
> +		fsl,pins = <
> +			MX91_PAD_SD3_CLK__USDHC3_CLK				0x1582
> +			MX91_PAD_SD3_CMD__USDHC3_CMD				0x1382
> +			MX91_PAD_SD3_DATA0__USDHC3_DATA0			0x1382
> +			MX91_PAD_SD3_DATA1__USDHC3_DATA1			0x1382
> +			MX91_PAD_SD3_DATA2__USDHC3_DATA2			0x1382
> +			MX91_PAD_SD3_DATA3__USDHC3_DATA3			0x1382
> +		>;
> +	};
> +
> +	pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
> +		fsl,pins = <
> +			MX91_PAD_SD3_CLK__USDHC3_CLK				0x158e
> +			MX91_PAD_SD3_CMD__USDHC3_CMD				0x138e
> +			MX91_PAD_SD3_DATA0__USDHC3_DATA0			0x138e
> +			MX91_PAD_SD3_DATA1__USDHC3_DATA1			0x138e
> +			MX91_PAD_SD3_DATA2__USDHC3_DATA2			0x138e
> +			MX91_PAD_SD3_DATA3__USDHC3_DATA3			0x138e
> +		>;
> +	};
> +
> +	pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
> +		fsl,pins = <
> +			MX91_PAD_SD3_CLK__USDHC3_CLK				0x15fe
> +			MX91_PAD_SD3_CMD__USDHC3_CMD				0x13fe
> +			MX91_PAD_SD3_DATA0__USDHC3_DATA0			0x13fe
> +			MX91_PAD_SD3_DATA1__USDHC3_DATA1			0x13fe
> +			MX91_PAD_SD3_DATA2__USDHC3_DATA2			0x13fe
> +			MX91_PAD_SD3_DATA3__USDHC3_DATA3			0x13fe
> +		>;
> +	};
> +
> +	pinctrl_usdhc3_sleep: usdhc3-sleepgrp {
> +		fsl,pins = <
> +			MX91_PAD_SD3_CLK__GPIO3_IO20				0x31e
> +			MX91_PAD_SD3_CMD__GPIO3_IO21				0x31e
> +			MX91_PAD_SD3_DATA0__GPIO3_IO22				0x31e
> +			MX91_PAD_SD3_DATA1__GPIO3_IO23				0x31e
> +			MX91_PAD_SD3_DATA2__GPIO3_IO24				0x31e
> +			MX91_PAD_SD3_DATA3__GPIO3_IO25				0x31e
> +		>;
> +	};
> +
> +	pinctrl_usdhc3_wlan: usdhc3wlangrp {
> +		fsl,pins = <
> +			MX91_PAD_ENET2_MDC__GPIO4_IO14				0x51e
> +			MX91_PAD_SD2_RESET_B__GPIO3_IO7				0x51e
> +		>;
> +	};
> +};
> --
> 2.47.3
>

Re: [PATCH v1 3/3] arm64: dts: imx91-var-dart: Add support for Variscite Sonata board

[Frank Li]

On Wed, Feb 04, 2026 at 06:03:56PM +0100, Stefano Radaelli wrote:
> From: Stefano Radaelli <stefano.r@variscite.com>
>
> Add device tree support for the Variscite Sonata carrier board with
> the DART-MX91 system on module.
>
> The Sonata board includes
> - uSD Card support
> - USB ports and OTG
> - Additional Gigabit Ethernet interface
> - Uart interfaces
> - GPIO Expanders
> - RTC module
> - TPM module
>
> Link: https://variscite.com/carrier-boards/sonata-board/
> Signed-off-by: Stefano Radaelli <stefano.r@variscite.com>
> ---
>  arch/arm64/boot/dts/freescale/Makefile        |   1 +
>  .../dts/freescale/imx91-var-dart-sonata.dts   | 498 ++++++++++++++++++
>  2 files changed, 499 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/freescale/imx91-var-dart-sonata.dts
>
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index f30d3fd724d0..839d98bdd2a1 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -370,6 +370,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8ulp-evk.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx91-11x11-evk.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx91-phyboard-segin.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx91-tqma9131-mba91xxca.dtb
> +dtb-$(CONFIG_ARCH_MXC) += imx91-var-dart-sonata.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx93-9x9-qsb.dtb
>
>  imx93-9x9-qsb-i3c-dtbs += imx93-9x9-qsb.dtb imx93-9x9-qsb-i3c.dtbo
> diff --git a/arch/arm64/boot/dts/freescale/imx91-var-dart-sonata.dts b/arch/arm64/boot/dts/freescale/imx91-var-dart-sonata.dts
> new file mode 100644
> index 000000000000..8e4bcebfdda5
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx91-var-dart-sonata.dts
> @@ -0,0 +1,498 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Variscite Sonata carrier board for DART-MX91
> + *
> + * Link: https://variscite.com/carrier-boards/sonata-board/
> + *
> + * Copyright (C) 2025 Variscite Ltd. - https://www.variscite.com/
> + *
> + */
> +
> +/dts-v1/;
> +
> +#include "imx91-var-dart.dtsi"
> +
> +/ {
> +	model = "Variscite DART-MX91 on Sonata-Board";
> +	compatible = "variscite,var-dart-mx91-sonata",
> +		     "variscite,var-dart-mx91",
> +		     "fsl,imx91";
> +
> +	aliases {
> +		ethernet0 = &eqos;
> +		ethernet1 = &fec;
> +		gpio0 = &gpio1;
> +		gpio1 = &gpio2;
> +		gpio2 = &gpio3;
> +		i2c0 = &lpi2c1;
> +		i2c1 = &lpi2c2;
> +		i2c2 = &lpi2c3;
> +		mmc0 = &usdhc1;
> +		mmc1 = &usdhc2;
> +		serial0 = &lpuart1;
> +		serial1 = &lpuart2;
> +		serial2 = &lpuart3;
> +		serial3 = &lpuart4;
> +		serial4 = &lpuart5;
> +		serial5 = &lpuart6;
> +	};
> +
> +	chosen {
> +		stdout-path = &lpuart1;
> +	};
> +
> +	gpio-leds {
> +		compatible = "gpio-leds";
> +
> +		led-emmc {
> +			label = "eMMC";
> +			gpios = <&pca6408_2 7 GPIO_ACTIVE_HIGH>;
> +			linux,default-trigger = "mmc0";
> +		};
> +	};
> +
> +	gpio-keys {

order as node name. put before gpio-leds

> +		compatible = "gpio-keys";
> +
> +		button-back {
> +			label = "Back";
> +			linux,code = <KEY_BACK>;
> +			gpios = <&pca6408_1 7 GPIO_ACTIVE_LOW>;
> +			wakeup-source;
> +		};
> +
> +		button-up {
> +			label = "Up";
> +			linux,code = <KEY_UP>;
> +			gpios = <&pca6408_1 5 GPIO_ACTIVE_LOW>;
> +			wakeup-source;
> +		};
> +
> +		button-home {
> +			label = "Home";
> +			linux,code = <KEY_HOME>;
> +			gpios = <&pca6408_1 4 GPIO_ACTIVE_LOW>;
> +			wakeup-source;
> +		};
> +
> +		button-down {
> +			label = "Down";
> +			linux,code = <KEY_DOWN>;
> +			gpios = <&pca6408_1 6 GPIO_ACTIVE_LOW>;
> +			wakeup-source;
> +		};

button-* order by gpio pin number or node name.

> +	};
> +
> +	reg_usdhc2_vmmc: regulator-vmmc-usdhc2 {
> +		compatible = "regulator-fixed";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_reg_usdhc2_vmmc>;
> +		regulator-name = "VDD_SD2_3V3";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		gpio = <&gpio4 28 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +		off-on-delay-us = <20000>;
> +	};
> +
> +	reg_vref_1v8: regulator-adc-vref {

order by node name regulator-adc-vref instead of label.

Frank
> +		compatible = "regulator-fixed";
> +		regulator-name = "vref_1v8";
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <1800000>;
> +	};
> +
> +	reserved-memory {
> +		ranges;
> +		#address-cells = <2>;
> +		#size-cells = <2>;
> +
> +		linux,cma {
> +			compatible = "shared-dma-pool";
> +			alloc-ranges = <0 0x80000000 0 0x40000000>;
> +			reusable;
> +			size = <0 0x10000000>;
> +			linux,cma-default;
> +		};
> +	};
> +};
> +
> +&adc1 {
> +	vref-supply = <&reg_vref_1v8>;
> +	status = "okay";
> +};
> +
> +/* Use external instead of internal RTC */
> +&bbnsm_rtc {
> +	status = "disabled";
> +};
> +
> +&eqos {
> +	mdio {
> +		ethphy1: ethernet-phy@1 {
> +			compatible = "ethernet-phy-ieee802.3-c22";
> +			reg = <1>;
> +			reset-gpios = <&pca6408_2 0 GPIO_ACTIVE_LOW>;
> +			reset-assert-us = <15000>;
> +			reset-deassert-us = <100000>;
> +
> +			leds {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				led@0 {
> +					reg = <0>;
> +					color = <LED_COLOR_ID_YELLOW>;
> +					function = LED_FUNCTION_LAN;
> +					linux,default-trigger = "netdev";
> +				};
> +
> +				led@1 {
> +					reg = <1>;
> +					color = <LED_COLOR_ID_GREEN>;
> +					function = LED_FUNCTION_LAN;
> +					linux,default-trigger = "netdev";
> +				};
> +			};
> +		};
> +	};
> +};
> +
> +&fec {
> +	pinctrl-names = "default", "sleep";
> +	pinctrl-0 = <&pinctrl_fec>;
> +	pinctrl-1 = <&pinctrl_fec_sleep>;
> +	/*
> +	 * The required RGMII TX and RX 2ns delays are implemented directly
> +	 * in hardware via passive delay elements on the SOM PCB.
> +	 * No delay configuration is needed in software via PHY driver.
> +	 */
> +	phy-mode = "rgmii";
> +	phy-handle = <&ethphy1>;
> +	status = "okay";
> +};
> +
> +&flexcan1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_flexcan1>;
> +	status = "okay";
> +};
> +
> +&lpi2c1 {
> +	clock-frequency = <400000>;
> +	pinctrl-names = "default", "sleep", "gpio";
> +	pinctrl-0 = <&pinctrl_lpi2c1>;
> +	pinctrl-1 = <&pinctrl_lpi2c1_gpio>;
> +	pinctrl-2 = <&pinctrl_lpi2c1_gpio>;
> +	scl-gpios = <&gpio1 0 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
> +	sda-gpios = <&gpio1 1 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
> +	status = "okay";
> +
> +	pca6408_1: gpio@20 {
> +		compatible = "nxp,pcal6408";
> +		reg = <0x20>;
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +		interrupt-parent = <&gpio1>;
> +		interrupts = <10 IRQ_TYPE_LEVEL_LOW>;
> +	};
> +
> +	pca6408_2: gpio@21 {
> +		compatible = "nxp,pcal6408";
> +		reg = <0x21>;
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +		interrupt-parent = <&gpio1>;
> +		interrupts = <10 IRQ_TYPE_LEVEL_LOW>;
> +	};
> +
> +	pca9534: gpio@22 {
> +		compatible = "nxp,pca9534";
> +		reg = <0x22>;
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +		interrupt-parent = <&gpio1>;
> +		interrupts = <10 IRQ_TYPE_LEVEL_LOW>;
> +	};
> +
> +	st33ktpm2xi2c: tpm@2e {
> +		compatible = "st,st33ktpm2xi2c", "tcg,tpm-tis-i2c";
> +		reg = <0x2e>;
> +	};
> +
> +	/* Capacitive touch controller */
> +	ft5x06_ts: touchscreen@38 {
> +		compatible = "edt,edt-ft5206";
> +		reg = <0x38>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_captouch>;
> +		reset-gpios = <&pca6408_2 4 GPIO_ACTIVE_LOW>;
> +		interrupt-parent = <&gpio3>;
> +		interrupts = <27 IRQ_TYPE_EDGE_FALLING>;
> +		touchscreen-size-x = <800>;
> +		touchscreen-size-y = <480>;
> +		touchscreen-inverted-x;
> +		touchscreen-inverted-y;
> +		wakeup-source;
> +	};
> +
> +	/* USB Type-C Controller */
> +	typec@3d {
> +		compatible = "nxp,ptn5150";
> +		reg = <0x3d>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_extcon>;
> +		interrupt-parent = <&gpio4>;
> +		interrupts = <29 IRQ_TYPE_LEVEL_HIGH>;
> +
> +		port {
> +			typec1_dr_sw: endpoint {
> +				remote-endpoint = <&usb1_drd_sw>;
> +			};
> +		};
> +	};
> +
> +	rtc@68 {
> +		compatible = "dallas,ds1337";
> +		reg = <0x68>;
> +	};
> +};
> +
> +/* Console (J10) */
> +&lpuart1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_uart1>;
> +	status = "okay";
> +};
> +
> +/* Header (J12.4, J12.6) */
> +&lpuart6 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_uart6>;
> +	status = "okay";
> +};
> +
> +&usbotg1 {
> +	dr_mode = "otg";
> +	hnp-disable;
> +	srp-disable;
> +	adp-disable;
> +	usb-role-switch;
> +	disable-over-current;
> +	samsung,picophy-pre-emp-curr-control = <3>;
> +	samsung,picophy-dc-vol-level-adjust = <7>;
> +	status = "okay";
> +
> +	port {
> +		usb1_drd_sw: endpoint {
> +			remote-endpoint = <&typec1_dr_sw>;
> +		};
> +	};
> +};
> +
> +&usbotg2 {
> +	disable-over-current;
> +	dr_mode = "host";
> +	status = "okay";
> +};
> +
> +/* SD */
> +&usdhc2 {
> +	pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
> +	pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
> +	pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_gpio>;
> +	pinctrl-2 = <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_gpio>;
> +	pinctrl-3 = <&pinctrl_usdhc2_sleep>, <&pinctrl_usdhc2_gpio_sleep>;
> +	cd-gpios = <&gpio3 0 GPIO_ACTIVE_LOW>;
> +	vmmc-supply = <&reg_usdhc2_vmmc>;
> +	bus-width = <4>;
> +	no-sdio;
> +	no-mmc;
> +	status = "okay";
> +};
> +
> +&iomuxc {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_hog>;
> +
> +	pinctrl_hog: hoggrp {
> +		fsl,pins = <
> +			/* GPIO Expanders shared IRQ */
> +			MX91_PAD_PDM_BIT_STREAM1__GPIO1_IO10            0x31e
> +		>;
> +	};
> +
> +	pinctrl_captouch: captouchgrp {
> +		fsl,pins = <
> +			MX91_PAD_CCM_CLKO2__GPIO3_IO27			0x31e
> +		>;
> +	};
> +
> +	pinctrl_extcon: extcongrp {
> +		fsl,pins = <
> +			MX91_PAD_CCM_CLKO4__GPIO4_IO29			0x31e
> +		>;
> +	};
> +
> +	pinctrl_fec: fecgrp {
> +		fsl,pins = <
> +			MX91_PAD_ENET2_RD0__ENET2_RGMII_RD0             0x57e
> +			MX91_PAD_ENET2_RD1__ENET2_RGMII_RD1             0x57e
> +			MX91_PAD_ENET2_RD2__ENET2_RGMII_RD2             0x57e
> +			MX91_PAD_ENET2_RD3__ENET2_RGMII_RD3             0x37e
> +			MX91_PAD_ENET2_RXC__ENET2_RGMII_RXC             0x5fe
> +			MX91_PAD_ENET2_RX_CTL__ENET2_RGMII_RX_CTL       0x57e
> +			MX91_PAD_ENET2_TD0__ENET2_RGMII_TD0             0x57e
> +			MX91_PAD_ENET2_TD1__ENET2_RGMII_TD1             0x57e
> +			MX91_PAD_ENET2_TD2__ENET2_RGMII_TD2             0x57e
> +			MX91_PAD_ENET2_TD3__ENET2_RGMII_TD3             0x57e
> +			MX91_PAD_ENET2_TXC__ENET2_RGMII_TXC             0x5fe
> +			MX91_PAD_ENET2_TX_CTL__ENET2_RGMII_TX_CTL       0x57e
> +		>;
> +	};
> +
> +	pinctrl_fec_sleep: fecsleepgrp {
> +		fsl,pins = <
> +			MX91_PAD_ENET2_RD0__GPIO4_IO24                  0x51e
> +			MX91_PAD_ENET2_RD1__GPIO4_IO25                  0x51e
> +			MX91_PAD_ENET2_RD2__GPIO4_IO26                  0x51e
> +			MX91_PAD_ENET2_RD3__GPIO4_IO27                  0x31e
> +			MX91_PAD_ENET2_RXC__GPIO4_IO23                  0x51e
> +			MX91_PAD_ENET2_RX_CTL__GPIO4_IO22               0x51e
> +			MX91_PAD_ENET2_TD0__GPIO4_IO19                  0x51e
> +			MX91_PAD_ENET2_TD1__GPIO4_IO18                  0x51e
> +			MX91_PAD_ENET2_TD2__GPIO4_IO17                  0x51e
> +			MX91_PAD_ENET2_TD3__GPIO4_IO16                  0x51e
> +			MX91_PAD_ENET2_TXC__GPIO4_IO21                  0x51e
> +			MX91_PAD_ENET2_TX_CTL__GPIO4_IO20               0x51e
> +		>;
> +	};
> +
> +	pinctrl_flexcan1: flexcan1grp {
> +		fsl,pins = <
> +			MX91_PAD_PDM_CLK__CAN1_TX			0x139e
> +			MX91_PAD_PDM_BIT_STREAM0__CAN1_RX		0x139e
> +		>;
> +	};
> +
> +	pinctrl_lpi2c1: lpi2c1grp {
> +		fsl,pins = <
> +			MX91_PAD_I2C1_SCL__LPI2C1_SCL			0x40000b9e
> +			MX91_PAD_I2C1_SDA__LPI2C1_SDA			0x40000b9e
> +		>;
> +	};
> +
> +	pinctrl_lpi2c1_gpio: lpi2c1-gpiogrp {
> +		fsl,pins = <
> +			MX91_PAD_I2C1_SCL__GPIO1_IO0			0x31e
> +			MX91_PAD_I2C1_SDA__GPIO1_IO1			0x31e
> +		>;
> +	};
> +
> +	pinctrl_lpi2c7: lpi2c7grp {
> +		fsl,pins = <
> +			MX91_PAD_GPIO_IO07__LPI2C7_SCL			0x40000b9e
> +			MX91_PAD_GPIO_IO06__LPI2C7_SDA			0x40000b9e
> +		>;
> +	};
> +
> +	pinctrl_lpi2c7_gpio: lpi2c7-gpiogrp {
> +		fsl,pins = <
> +			MX91_PAD_GPIO_IO07__GPIO2_IO7			0x31e
> +			MX91_PAD_GPIO_IO06__GPIO2_IO6			0x31e
> +		>;
> +	};
> +
> +	pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {
> +		fsl,pins = <
> +			MX91_PAD_CCM_CLKO3__GPIO4_IO28			0x31e
> +		>;
> +	};
> +
> +	pinctrl_rtc: rtcgrp {
> +		fsl,pins = <
> +			MX91_PAD_GPIO_IO02__GPIO2_IO2			0x31e
> +		>;
> +	};
> +
> +	pinctrl_uart1: uart1grp {
> +		fsl,pins = <
> +			MX91_PAD_UART1_RXD__LPUART1_RX			0x31e
> +			MX91_PAD_UART1_TXD__LPUART1_TX			0x31e
> +		>;
> +	};
> +
> +	pinctrl_uart6: uart6grp {
> +		fsl,pins = <
> +			MX91_PAD_GPIO_IO05__LPUART6_RX			0x31e
> +			MX91_PAD_GPIO_IO04__LPUART6_TX			0x31e
> +		>;
> +	};
> +
> +	pinctrl_uart7: uart7grp {
> +		fsl,pins = <
> +			MX91_PAD_GPIO_IO09__LPUART7_RX			0x31e
> +			MX91_PAD_GPIO_IO08__LPUART7_TX			0x31e
> +		>;
> +	};
> +
> +	pinctrl_usdhc2: usdhc2grp {
> +		fsl,pins = <
> +			MX91_PAD_SD2_CLK__USDHC2_CLK			0x1582
> +			MX91_PAD_SD2_CMD__USDHC2_CMD			0x1382
> +			MX91_PAD_SD2_DATA0__USDHC2_DATA0		0x1382
> +			MX91_PAD_SD2_DATA1__USDHC2_DATA1		0x1382
> +			MX91_PAD_SD2_DATA2__USDHC2_DATA2		0x1382
> +			MX91_PAD_SD2_DATA3__USDHC2_DATA3		0x1382
> +			MX91_PAD_SD2_VSELECT__USDHC2_VSELECT		0x51e
> +		>;
> +	};
> +
> +	pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
> +		fsl,pins = <
> +			MX91_PAD_SD2_CLK__USDHC2_CLK			0x158e
> +			MX91_PAD_SD2_CMD__USDHC2_CMD			0x138e
> +			MX91_PAD_SD2_DATA0__USDHC2_DATA0		0x138e
> +			MX91_PAD_SD2_DATA1__USDHC2_DATA1		0x138e
> +			MX91_PAD_SD2_DATA2__USDHC2_DATA2		0x138e
> +			MX91_PAD_SD2_DATA3__USDHC2_DATA3		0x138e
> +			MX91_PAD_SD2_VSELECT__USDHC2_VSELECT		0x51e
> +		>;
> +	};
> +
> +	pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
> +		fsl,pins = <
> +			MX91_PAD_SD2_CLK__USDHC2_CLK			0x15fe
> +			MX91_PAD_SD2_CMD__USDHC2_CMD			0x13fe
> +			MX91_PAD_SD2_DATA0__USDHC2_DATA0		0x13fe
> +			MX91_PAD_SD2_DATA1__USDHC2_DATA1		0x13fe
> +			MX91_PAD_SD2_DATA2__USDHC2_DATA2		0x13fe
> +			MX91_PAD_SD2_DATA3__USDHC2_DATA3		0x13fe
> +			MX91_PAD_SD2_VSELECT__USDHC2_VSELECT		0x51e
> +		>;
> +	};
> +
> +	pinctrl_usdhc2_sleep: usdhc2sleepgrp {
> +		fsl,pins = <
> +			MX91_PAD_SD2_CLK__GPIO3_IO1			0x51e
> +			MX91_PAD_SD2_CMD__GPIO3_IO2			0x51e
> +			MX91_PAD_SD2_DATA0__GPIO3_IO3			0x51e
> +			MX91_PAD_SD2_DATA1__GPIO3_IO4			0x51e
> +			MX91_PAD_SD2_DATA2__GPIO3_IO5			0x51e
> +			MX91_PAD_SD2_DATA3__GPIO3_IO6			0x51e
> +			MX91_PAD_SD2_VSELECT__GPIO3_IO19		0x51e
> +		>;
> +	};
> +
> +	pinctrl_usdhc2_gpio: usdhc2gpiogrp {
> +		fsl,pins = <
> +			MX91_PAD_SD2_CD_B__GPIO3_IO0			0x31e
> +		>;
> +	};
> +
> +	pinctrl_usdhc2_gpio_sleep: usdhc2gpiosleepgrp {
> +		fsl,pins = <
> +			MX91_PAD_SD2_CD_B__GPIO3_IO0			0x51e
> +		>;
> +	};
> +};
> --
> 2.47.3
>