netdev - [PATCH v6 2/6] Documentation: Bindings: Add STM32 DWMAC glue

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Message-Id: <1461585242-32401-3-git-send-email-alexandre.torgue@gmail.com>
Date:	Mon, 25 Apr 2016 13:53:58 +0200
From:	Alexandre TORGUE <alexandre.torgue@...il.com>
To:	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Giuseppe Cavallaro <peppe.cavallaro@...com>,
	netdev@...r.kernel.org, devicetree@...r.kernel.org
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	robh@...nel.org, manabian@...il.com, wens@...e.org
Subject: [PATCH v6 2/6] Documentation: Bindings: Add STM32 DWMAC glue

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

diff --git a/Documentation/devicetree/bindings/net/stm32-dwmac.txt b/Documentation/devicetree/bindings/net/stm32-dwmac.txt
new file mode 100644
index 0000000..c35afb7
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/stm32-dwmac.txt
@@ -0,0 +1,32 @@
+STMicroelectronics STM32 / MCU DWMAC glue layer controller
+
+This file documents platform glue layer for stmmac.
+Please see stmmac.txt for the other unchanged properties.
+
+The device node has following properties.
+
+Required properties:
+- compatible:  Should be "st,stm32-dwmac" to select glue, and
+	       "snps,dwmac-3.50a" to select IP version.
+- clocks: Must contain a phandle for each entry in clock-names.
+- clock-names: Should be "stmmaceth" for the host clock.
+	       Should be "mac-clk-tx" for the MAC TX clock.
+	       Should be "mac-clk-rx" for the MAC RX clock.
+- st,syscon : Should be phandle/offset pair. The phandle to the syscon node which
+	      encompases the glue register, and the offset of the control register.
+Example:
+
+	ethernet@...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", "mac-clk-tx", "mac-clk-rx";
+		clocks = <&rcc 0 25>, <&rcc 0 26>, <&rcc 0 27>;
+		st,syscon = <&syscfg 0x4>;
+		snps,pbl = <8>;
+		snps,mixed-burst;
+		dma-ranges;
+	};
-- 
1.9.1