linux-kernel - [PATCH v2 12/16] ARM: dts: sun7i: Add pin muxing options for the GMAC

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Message-Id: <1389337217-29032-13-git-send-email-wens@csie.org>
Date:	Fri, 10 Jan 2014 15:00:13 +0800
From:	Chen-Yu Tsai <wens@...e.org>
To:	Srinivas Kandagatla <srinivas.kandagatla@...com>,
	Giuseppe Cavallaro <peppe.cavallaro@...com>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc:	Chen-Yu Tsai <wens@...e.org>, netdev@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-sunxi@...glegroups.com,
	linux-kernel@...r.kernel.org,
	Rob Herring <rob.herring@...xeda.com>,
	Emilio Lopez <emilio@...pez.com.ar>,
	Mike Turquette <mturquette@...aro.org>
Subject: [PATCH v2 12/16] ARM: dts: sun7i: Add pin muxing options for the GMAC

The A20 has EMAC and GMAC muxed on the same pins.
Add pin sets with gmac function for MII and RGMII mode to the DTSI.

Signed-off-by: Chen-Yu Tsai <wens@...e.org>
---
 arch/arm/boot/dts/sun7i-a20.dtsi | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index 18d211e..b18f18f 100644
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -463,6 +463,32 @@
 				allwinner,drive = <0>;
 				allwinner,pull = <0>;
 			};
+
+			gmac_pins_mii_a: gmac_mii@0 {
+				allwinner,pins = "PA0", "PA1", "PA2",
+						"PA3", "PA4", "PA5", "PA6",
+						"PA7", "PA8", "PA9", "PA10",
+						"PA11", "PA12", "PA13", "PA14",
+						"PA15", "PA16";
+				allwinner,function = "gmac";
+				allwinner,drive = <0>;
+				allwinner,pull = <0>;
+			};
+
+			gmac_pins_rgmii_a: gmac_rgmii@0 {
+				allwinner,pins = "PA0", "PA1", "PA2",
+						"PA3", "PA4", "PA5", "PA6",
+						"PA7", "PA8", "PA10",
+						"PA11", "PA12", "PA13",
+						"PA15", "PA16";
+				allwinner,function = "gmac";
+				/*
+				 * data lines in RGMII mode use DDR mode
+				 * and need a higher signal drive strength
+				 */
+				allwinner,drive = <3>;
+				allwinner,pull = <0>;
+			};
 		};
 
 		timer@...20c00 {
-- 
1.8.5.2

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