linux-kernel - [PATCH 2/3] ARM: dts: stm32f429: Add Ethernet support

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Date:	Mon, 29 Feb 2016 17:29:35 +0100
From:	Alexandre TORGUE <alexandre.torgue@...il.com>
To:	Arnd Bergmann <arnd@...db.de>, olof@...om.net, khilman@...nel.org,
	linux-arm-kernel@...ts.infradead.org,
	Giuseppe Cavallaro <peppe.cavallaro@...com>
Cc:	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	Daniel Thompson <daniel.thompson@...aro.org>,
	Kamil Lulko <rev13@...pl>, afaerber@...e.de,
	netdev@...r.kernel.org
Subject: [PATCH 2/3] ARM: dts: stm32f429: Add Ethernet support

Add Ethernet support (Synopsys MAC IP 3.50a) on stm32f429 SOC.

Signed-off-by: Alexandre TORGUE <alexandre.torgue@...il.com>

diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi
index bb7a736..af0367c 100644
--- a/arch/arm/boot/dts/stm32f429.dtsi
+++ b/arch/arm/boot/dts/stm32f429.dtsi
@@ -283,6 +283,26 @@
 					bias-disable;
 				};
 			};
+
+			ethernet0_mii: mii@0 {
+				mii {
+					slew-rate = <2>;
+					pinmux = <STM32F429_PG13_FUNC_ETH_MII_TXD0_ETH_RMII_TXD0>,
+						 <STM32F429_PG14_FUNC_ETH_MII_TXD1_ETH_RMII_TXD1>,
+						 <STM32F429_PC2_FUNC_ETH_MII_TXD2>,
+						 <STM32F429_PB8_FUNC_ETH_MII_TXD3>,
+						 <STM32F429_PC3_FUNC_ETH_MII_TX_CLK>,
+						 <STM32F429_PG11_FUNC_ETH_MII_TX_EN_ETH_RMII_TX_EN>,
+						 <STM32F429_PA2_FUNC_ETH_MDIO>,
+						 <STM32F429_PC1_FUNC_ETH_MDC>,
+						 <STM32F429_PA1_FUNC_ETH_MII_RX_CLK_ETH_RMII_REF_CLK>,
+						 <STM32F429_PA7_FUNC_ETH_MII_RX_DV_ETH_RMII_CRS_DV>,
+						 <STM32F429_PC4_FUNC_ETH_MII_RXD0_ETH_RMII_RXD0>,
+						 <STM32F429_PC5_FUNC_ETH_MII_RXD1_ETH_RMII_RXD1>,
+						 <STM32F429_PH6_FUNC_ETH_MII_RXD2>,
+						 <STM32F429_PH7_FUNC_ETH_MII_RXD3>;
+				};
+			};
 		};
 
 		rcc: rcc@...23810 {
@@ -323,6 +343,21 @@
 			st,mem2mem;
 		};
 
+		ethernet0: dwmac@...28000 {
+			compatible = "st,stm32-dwmac", "snps,dwmac-3.50a";
+			status = "disabled";
+			reg = <0x40028000 0x8000>;
+			reg-names = "stmmaceth";
+			interrupts = <0 61 0>, <0 62 0>;
+			interrupt-names = "macirq", "eth_wake_irq";
+			clock-names = "stmmaceth", "tx-clk", "rx-clk";
+			clocks = <&rcc 0 25>, <&rcc 0 26>, <&rcc 0 27>;
+			st,syscon = <&syscfg 0x4>;
+			snps,pbl = <8>;
+			snps,mixed-burst;
+			dma-ranges;
+		};
+
 		rng: rng@...60800 {
 			compatible = "st,stm32-rng";
 			reg = <0x50060800 0x400>;
-- 
1.9.1