linux-kernel - [PATCH v4 4/4] ARM: dts: Add Ethernet chip to SMDK5410

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Message-id: <6fed900bf831d8bc23ef56c95417887c3d9a2d07.1446122247.git.p.fedin@samsung.com>
Date:	Thu, 29 Oct 2015 15:42:20 +0300
From:	Pavel Fedin <p.fedin@...sung.com>
To:	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Kukjin Kim <kgene@...nel.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>
Subject: [PATCH v4 4/4] ARM: dts: Add Ethernet chip to SMDK5410

The chip is smsc9115, connected via SROMc bank 3. Additionally, some GPIO
initialization is required.

Signed-off-by: Pavel Fedin <p.fedin@...sung.com>
---
 arch/arm/boot/dts/exynos5410-smdk5410.dts | 41 +++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/arch/arm/boot/dts/exynos5410-smdk5410.dts b/arch/arm/boot/dts/exynos5410-smdk5410.dts
index cebeaab..311e7be 100644
--- a/arch/arm/boot/dts/exynos5410-smdk5410.dts
+++ b/arch/arm/boot/dts/exynos5410-smdk5410.dts
@@ -61,6 +61,27 @@
 	disable-wp;
 };
 
+&pinctrl_0 {
+	srom_ctl: srom-ctl {
+		samsung,pins = "gpy0-3", "gpy0-4", "gpy0-5",
+			       "gpy1-0", "gpy1-1", "gpy1-2", "gpy1-3";
+		samsung,pin-function = <2>;
+		samsung,pin-drv = <0>;
+	};
+
+	srom_ebi: srom-ebi {
+		samsung,pins = "gpy3-0", "gpy3-1", "gpy3-2", "gpy3-3",
+			       "gpy3-4", "gpy3-5", "gpy3-6", "gpy3-7",
+			       "gpy5-0", "gpy5-1", "gpy5-2", "gpy5-3",
+			       "gpy5-4", "gpy5-5", "gpy5-6", "gpy5-7",
+			       "gpy6-0", "gpy6-1", "gpy6-2", "gpy6-3",
+			       "gpy6-4", "gpy6-5", "gpy6-6", "gpy6-7";
+		samsung,pin-function = <2>;
+		samsung,pin-pud = <3>;
+		samsung,pin-drv = <0>;
+	};
+};
+
 &uart0 {
 	status = "okay";
 };
@@ -72,3 +93,23 @@
 &uart2 {
 	status = "okay";
 };
+
+&sromc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&srom_ctl>, <&srom_ebi>;
+
+	ethernet@...00000 {
+		compatible = "smsc,lan9115";
+		reg = <0x07000000 0x10000>;
+		phy-mode = "mii";
+		interrupt-parent = <&gpx0>;
+		interrupts = <5 8>;
+		reg-io-width = <2>;
+		smsc,irq-push-pull;
+		smsc,force-internal-phy;
+
+		samsung,srom-bank = <3>;
+		samsung,srom-data-width = <2>;
+		samsung,srom-timing = <1 9 12 1 9 1 1>;
+	};
+};
-- 
2.4.4

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