arm: dts: omap: Add support for BeagleBone Green Eco board

SeeedStudio BeagleBone Green Eco (BBGE) is a clone of the BeagleBone Green
(BBG). It has minor differences from the BBG, such as a different PMIC,
a different Ethernet PHY, and a larger eMMC.

Signed-off-by: Kory Maincent <kory.maincent@bootlin.com>
Reviewed-by: Andreas Kemnade <andreas@kemnade.info>
Tested-by: Judith Mendez <jm@ti.com>
Link: https://lore.kernel.org/r/20250620-bbg-v5-3-84f9b9a2e3a8@bootlin.com
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

Author: kmaincent

arch/arm/boot/dts/ti/omap/Makefile

@@ -93,6 +93,7 @@ dtb-$(CONFIG_SOC_AM33XX) += \
 	am335x-boneblue.dtb \
 	am335x-bonegreen.dtb \
 	am335x-bonegreen-wireless.dtb \
+	am335x-bonegreen-eco.dtb \
 	am335x-chiliboard.dtb \
 	am335x-cm-t335.dtb \
 	am335x-evm.dtb \

arch/arm/boot/dts/ti/omap/am335x-bonegreen-eco.dts

@@ -0,0 +1,169 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2025 Bootlin
+ */
+/dts-v1/;
+
+#include "am33xx.dtsi"
+#include "am335x-bone-common.dtsi"
+#include "am335x-bonegreen-common.dtsi"
+#include <dt-bindings/net/ti-dp83867.h>
+
+/ {
+	model = "Seeed Studio BeagleBone Green Eco";
+	compatible = "seeed,am335x-bone-green-eco", "ti,am33xx";
+
+	cpus {
+		cpu@0 {
+			cpu0-supply = <&buck1>;
+		};
+	};
+
+	sys_5v: regulator-sys-5v {
+		compatible = "regulator-fixed";
+		regulator-name = "sys_5v";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+	};
+
+	v3v3: regulator-v3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "v3v3";
+		regulator-always-on;
+	};
+};
+
+&usb0 {
+	interrupts-extended = <&intc 18>;
+	interrupt-names = "mc";
+};
+
+&baseboard_eeprom {
+	vcc-supply = <&v3v3>;
+};
+
+&i2c0 {
+	/delete-node/ pmic@24;
+
+	tps65214: pmic@30 {
+		compatible = "ti,tps65214";
+		reg = <0x30>;
+		buck1-supply = <&sys_5v>;
+		buck2-supply = <&sys_5v>;
+		buck3-supply = <&sys_5v>;
+		ldo1-supply = <&sys_5v>;
+		ldo2-supply = <&sys_5v>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <7>;
+		pinctrl-0 = <&pmic_irq_pins_default>;
+
+		regulators {
+			buck1: buck1 {
+				regulator-name = "vdd_mpu";
+				regulator-min-microvolt = <925000>;
+				regulator-max-microvolt = <1298500>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			buck2: buck2 {
+				regulator-name = "vdd_core";
+				regulator-min-microvolt = <925000>;
+				regulator-max-microvolt = <1150000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			buck3: buck3 {
+				regulator-name = "vdds_ddr";
+				regulator-min-microvolt = <1350000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-always-on;
+			};
+
+			ldo1_reg: ldo1 {
+				regulator-name = "vdd_1v8_1";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			ldo2_reg: ldo2 {
+				regulator-name = "vdd_1v8_2";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+		};
+	};
+};
+
+&cpsw_port1 {
+	phy-mode = "rgmii-id";
+	phy-handle = <&dp83867_0>;
+	ti,dual-emac-pvid = <1>;
+};
+
+&mac_sw {
+	pinctrl-0 = <&cpsw_b_default>;
+	pinctrl-1 = <&cpsw_b_sleep>;
+};
+
+&davinci_mdio_sw {
+	/delete-node/ ethernet-phy@0;
+
+	dp83867_0: ethernet-phy@0 {
+		reg = <0>;
+		ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_50_NS>;
+		ti,tx-internal-delay = <DP83867_RGMIIDCTL_2_50_NS>;
+		ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_8_B_NIB>;
+		ti,min-output-impedance;
+		ti,dp83867-rxctrl-strap-quirk;
+	};
+};
+
+&am33xx_pinmux {
+	cpsw_b_default: cpsw-b-default-pins {
+		pinctrl-single,pins = <
+			AM33XX_PADCONF(AM335X_PIN_MII1_TX_EN, PIN_OUTPUT_PULLDOWN, MUX_MODE2)
+			AM33XX_PADCONF(AM335X_PIN_MII1_RX_DV, PIN_INPUT_PULLDOWN, MUX_MODE2)
+			AM33XX_PADCONF(AM335X_PIN_MII1_TX_CLK, PIN_OUTPUT_PULLDOWN, MUX_MODE2)
+			AM33XX_PADCONF(AM335X_PIN_MII1_RX_CLK, PIN_INPUT_PULLDOWN, MUX_MODE2)
+			AM33XX_PADCONF(AM335X_PIN_MII1_TXD0, PIN_OUTPUT_PULLDOWN, MUX_MODE2)
+			AM33XX_PADCONF(AM335X_PIN_MII1_TXD1, PIN_OUTPUT_PULLDOWN, MUX_MODE2)
+			AM33XX_PADCONF(AM335X_PIN_MII1_TXD2, PIN_OUTPUT_PULLDOWN, MUX_MODE2)
+			AM33XX_PADCONF(AM335X_PIN_MII1_TXD3, PIN_OUTPUT_PULLDOWN, MUX_MODE2)
+			AM33XX_PADCONF(AM335X_PIN_MII1_RXD0, PIN_INPUT_PULLDOWN, MUX_MODE2)
+			AM33XX_PADCONF(AM335X_PIN_MII1_RXD1, PIN_INPUT_PULLDOWN, MUX_MODE2)
+			AM33XX_PADCONF(AM335X_PIN_MII1_RXD2, PIN_INPUT_PULLDOWN, MUX_MODE2)
+			AM33XX_PADCONF(AM335X_PIN_MII1_RXD3, PIN_INPUT_PULLDOWN, MUX_MODE2)
+		>;
+	};
+
+	cpsw_b_sleep: cpsw-b-sleep-pins {
+		pinctrl-single,pins = <
+			AM33XX_PADCONF(AM335X_PIN_MII1_TX_EN, PIN_INPUT_PULLDOWN, MUX_MODE7)
+			AM33XX_PADCONF(AM335X_PIN_MII1_RX_DV, PIN_INPUT_PULLDOWN, MUX_MODE7)
+			AM33XX_PADCONF(AM335X_PIN_MII1_TX_CLK, PIN_INPUT_PULLDOWN, MUX_MODE7)
+			AM33XX_PADCONF(AM335X_PIN_MII1_RX_CLK, PIN_INPUT_PULLDOWN, MUX_MODE7)
+			AM33XX_PADCONF(AM335X_PIN_MII1_TXD0, PIN_INPUT_PULLDOWN, MUX_MODE7)
+			AM33XX_PADCONF(AM335X_PIN_MII1_TXD1, PIN_INPUT_PULLDOWN, MUX_MODE7)
+			AM33XX_PADCONF(AM335X_PIN_MII1_TXD2, PIN_INPUT_PULLDOWN, MUX_MODE7)
+			AM33XX_PADCONF(AM335X_PIN_MII1_TXD3, PIN_INPUT_PULLDOWN, MUX_MODE7)
+			AM33XX_PADCONF(AM335X_PIN_MII1_RXD0, PIN_INPUT_PULLDOWN, MUX_MODE7)
+			AM33XX_PADCONF(AM335X_PIN_MII1_RXD1, PIN_INPUT_PULLDOWN, MUX_MODE7)
+			AM33XX_PADCONF(AM335X_PIN_MII1_RXD2, PIN_INPUT_PULLDOWN, MUX_MODE7)
+			AM33XX_PADCONF(AM335X_PIN_MII1_RXD3, PIN_INPUT_PULLDOWN, MUX_MODE7)
+		>;
+	};
+
+	pmic_irq_pins_default: pmic-irq-default-pins {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(AM335X_PIN_NNMI, PIN_INPUT_PULLUP | MUX_MODE0)
+		>;
+	};
+};