netdev - [PATCH 5/8] ARM: dts: stm32: Add ethernet dwmac on stm32mp1

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Message-ID: <1524582120-4451-6-git-send-email-christophe.roullier@st.com>
Date:   Tue, 24 Apr 2018 17:01:57 +0200
From:   Christophe Roullier <christophe.roullier@...com>
To:     <mark.rutland@....com>, <mcoquelin.stm32@...il.com>,
        <alexandre.torgue@...com>, <peppe.cavallaro@...com>
CC:     <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <netdev@...r.kernel.org>,
        <christophe.roullier@...com>
Subject: [PATCH  5/8] ARM: dts: stm32: Add ethernet dwmac on stm32mp1

Add Ethernet support (Synopsys MAC IP 4.20a) on stm32mp1 SOC.
Enable feature supported by the stmmac driver, such as TSO.

Signed-off-by: Christophe Roullier <christophe.roullier@...com>
---
 arch/arm/boot/dts/stm32mp157c.dtsi | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp157c.dtsi b/arch/arm/boot/dts/stm32mp157c.dtsi
index f98a0ae..4b40aa5 100644
--- a/arch/arm/boot/dts/stm32mp157c.dtsi
+++ b/arch/arm/boot/dts/stm32mp157c.dtsi
@@ -179,5 +179,35 @@
 			clocks = <&rcc USART1_K>;
 			status = "disabled";
 		};
+
+		stmmac_axi_config_0: stmmac-axi-config {
+			snps,wr_osr_lmt = <0x7>;
+			snps,rd_osr_lmt = <0x7>;
+			snps,blen = <0 0 0 0 16 8 4>;
+		};
+
+		ethernet0: ethernet@...0a000 {
+			compatible = "st,stm32mp1-dwmac", "snps,dwmac-4.20a";
+			reg = <0x5800a000 0x2000>;
+			reg-names = "stmmaceth";
+			interrupts-extended = <&intc GIC_SPI 61 IRQ_TYPE_NONE>;
+			interrupt-names = "macirq";
+			clock-names = "stmmaceth",
+				      "mac-clk-tx",
+				      "mac-clk-rx",
+				      "ethstp",
+				      "syscfg-clk";
+			clocks = <&rcc ETHMAC>,
+				 <&rcc ETHTX>,
+				 <&rcc ETHRX>,
+				 <&rcc ETHSTP>,
+				 <&rcc SYSCFG>;
+			st,syscon = <&syscfg 0x4>;
+			snps,mixed-burst;
+			snps,pbl = <2>;
+			snps,axi-config = <&stmmac_axi_config_0>;
+			snps,tso;
+			status = "disabled";
+		};
 	};
 };
-- 
1.9.1