Commit 5473f1be authored by Christophe Roullier's avatar Christophe Roullier Committed by David S. Miller
Browse files

ARM: dts: stm32: Add Ethernet support on stm32h7 SOC and activate it for eval and disco boards 



Synopsys GMAC 4.10 is used. And Phy mode for eval and disco is RMII
with PHY SMSC LAN8742

Signed-off-by: default avatarChristophe Roullier <christophe.roullier@st.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 83566799

arch/arm/boot/dts/stm32h743-pinctrl.dtsi

+15 −0
Original line number Diff line number Diff line
@@ -173,6 +173,21 @@ 
				};

			};



			ethernet_rmii: rmii@0 {

				pins {

					pinmux = <STM32_PINMUX('G', 11, AF11)>,

						 <STM32_PINMUX('G', 13, AF11)>,

						 <STM32_PINMUX('G', 12, AF11)>,

						 <STM32_PINMUX('C', 4, AF11)>,

						 <STM32_PINMUX('C', 5, AF11)>,

						 <STM32_PINMUX('A', 7, AF11)>,

						 <STM32_PINMUX('C', 1, AF11)>,

						 <STM32_PINMUX('A', 2, AF11)>,

						 <STM32_PINMUX('A', 1, AF11)>;

					slew-rate = <2>;

				};

			};



			usart1_pins: usart1@0 {

				pins1 {

					pinmux = <STM32_PINMUX('B', 14, AF4)>; /* USART1_TX */

arch/arm/boot/dts/stm32h743.dtsi

+13 −0
Original line number Diff line number Diff line
@@ -511,6 +511,19 @@ 
				status = "disabled";

			};

		};



		mac: ethernet@40028000 {

			compatible = "st,stm32-dwmac", "snps,dwmac-4.10a";

			reg = <0x40028000 0x8000>;

			reg-names = "stmmaceth";

			interrupts = <61>;

			interrupt-names = "macirq";

			clock-names = "stmmaceth", "mac-clk-tx", "mac-clk-rx";

			clocks = <&rcc ETH1MAC_CK>, <&rcc ETH1TX_CK>, <&rcc ETH1RX_CK>;

			st,syscon = <&syscfg 0x4>;

			snps,pbl = <8>;

			status = "disabled";

		};

	};

};

arch/arm/boot/dts/stm32h743i-disco.dts

+17 −0
Original line number Diff line number Diff line
@@ -66,6 +66,23 @@ 
	clock-frequency = <25000000>;

};



&mac {

	status = "disabled";

	pinctrl-0	= <&ethernet_rmii>;

	pinctrl-names	= "default";

	phy-mode	= "rmii";

	phy-handle	= <&phy0>;



	mdio0 {

		#address-cells = <1>;

		#size-cells = <0>;

		compatible = "snps,dwmac-mdio";

		phy0: ethernet-phy@0 {

			reg = <0>;

		};

	};

};



&usart2 {

	pinctrl-0 = <&usart2_pins>;

	pinctrl-names = "default";

arch/arm/boot/dts/stm32h743i-eval.dts

+17 −0
Original line number Diff line number Diff line
@@ -104,6 +104,23 @@ 
	status = "okay";

};



&mac {

	status = "disabled";

	pinctrl-0	= <&ethernet_rmii>;

	pinctrl-names	= "default";

	phy-mode	= "rmii";

	phy-handle	= <&phy0>;



	mdio0 {

		#address-cells = <1>;

		#size-cells = <0>;

		compatible = "snps,dwmac-mdio";

		phy0: ethernet-phy@0 {

			reg = <0>;

		};

	};

};



&usart1 {

	pinctrl-0 = <&usart1_pins>;

	pinctrl-names = "default";

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