[PATCH] ARM: dts: stm32: Add ethernet support for DH STM32MP13xx DHCOR DHSBC board

Marek Vasut marex at denx.de
Sun Jun 23 12:51:56 PDT 2024


Add ethernet support for the DH STM32MP13xx DHCOR DHSBC carrier board.
This carrier board is populated with two gigabit ethernet ports and two
Realtek RTL8211F PHYs, both are described in this DT patch.

Signed-off-by: Marek Vasut <marex at denx.de>
---
Cc: Alexandre Torgue <alexandre.torgue at foss.st.com>
Cc: Christophe Roullier <christophe.roullier at foss.st.com>
Cc: Conor Dooley <conor+dt at kernel.org>
Cc: Krzysztof Kozlowski <krzk+dt at kernel.org>
Cc: Maxime Coquelin <mcoquelin.stm32 at gmail.com>
Cc: Rob Herring <robh at kernel.org>
Cc: devicetree at vger.kernel.org
Cc: kernel at dh-electronics.com
Cc: linux-arm-kernel at lists.infradead.org
Cc: linux-stm32 at st-md-mailman.stormreply.com
---
 .../boot/dts/st/stm32mp135f-dhcor-dhsbc.dts   | 56 +++++++++++++++++++
 1 file changed, 56 insertions(+)

diff --git a/arch/arm/boot/dts/st/stm32mp135f-dhcor-dhsbc.dts b/arch/arm/boot/dts/st/stm32mp135f-dhcor-dhsbc.dts
index 5f4f6b6e427a5..bacb70b4256bc 100644
--- a/arch/arm/boot/dts/st/stm32mp135f-dhcor-dhsbc.dts
+++ b/arch/arm/boot/dts/st/stm32mp135f-dhcor-dhsbc.dts
@@ -22,6 +22,8 @@ / {
 		     "st,stm32mp135";
 
 	aliases {
+		ethernet0 = &ethernet1;
+		ethernet1 = &ethernet2;
 		serial2 = &usart1;
 		serial3 = &usart2;
 	};
@@ -72,6 +74,60 @@ channel at 12 {
 	};
 };
 
+&ethernet1 {
+	phy-handle = <&ethphy1>;
+	phy-mode = "rgmii-id";
+	pinctrl-0 = <&eth1_rgmii_pins_a>;
+	pinctrl-1 = <&eth1_rgmii_sleep_pins_a>;
+	pinctrl-names = "default", "sleep";
+	st,ext-phyclk;
+	status = "okay";
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "snps,dwmac-mdio";
+
+		ethphy1: ethernet-phy at 1 {
+			/* RTL8211F */
+			compatible = "ethernet-phy-id001c.c916";
+			interrupt-parent = <&gpiog>;
+			interrupts = <12 IRQ_TYPE_LEVEL_LOW>;
+			reg = <1>;
+			reset-assert-us = <15000>;
+			reset-deassert-us = <55000>;
+			reset-gpios = <&gpioa 11 GPIO_ACTIVE_LOW>;
+		};
+	};
+};
+
+&ethernet2 {
+	phy-handle = <&ethphy2>;
+	phy-mode = "rgmii-id";
+	pinctrl-0 = <&eth2_rgmii_pins_a>;
+	pinctrl-1 = <&eth2_rgmii_sleep_pins_a>;
+	pinctrl-names = "default", "sleep";
+	st,ext-phyclk;
+	status = "okay";
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "snps,dwmac-mdio";
+
+		ethphy2: ethernet-phy at 1 {
+			/* RTL8211F */
+			compatible = "ethernet-phy-id001c.c916";
+			interrupt-parent = <&gpiog>;
+			interrupts = <15 IRQ_TYPE_LEVEL_LOW>;
+			reg = <1>;
+			reset-assert-us = <15000>;
+			reset-deassert-us = <55000>;
+			reset-gpios = <&gpiog 8 GPIO_ACTIVE_LOW>;
+		};
+	};
+};
+
 &gpioa {
 	gpio-line-names = "", "", "", "",
 			  "", "DHSBC_USB_PWR_CC1", "", "",
-- 
2.43.0




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