linux-kernel - [PATCH 4/4] arm64: dts: rockchip: enable the gmac for rk3399 evb board

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Message-Id: <1472589008-7713-5-git-send-email-wxt@rock-chips.com>
Date:   Wed, 31 Aug 2016 04:30:07 +0800
From:   Caesar Wang <wxt@...k-chips.com>
To:     Heiko Stuebner <heiko@...ech.de>, netdev@...r.kernel.org
Cc:     linux-rockchip@...ts.infradead.org,
        Brian Norris <briannorris@...omium.org>,
        Douglas Anderson <dianders@...omium.org>,
        dbasehore@...omium.org, Caesar Wang <wxt@...k-chips.com>,
        Roger Chen <roger.chen@...k-chips.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Arnd Bergmann <arnd@...db.de>,
        Frank Wang <frank.wang@...k-chips.com>,
        Jianqun Xu <jay.xu@...k-chips.com>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 4/4] arm64: dts: rockchip: enable the gmac for rk3399 evb board

We add the required and optional properties for evb board.
See the [0] to get the detail information.

[0]:
Documentation/devicetree/bindings/net/rockchip-dwmac.txt

Signed-off-by: Roger Chen <roger.chen@...k-chips.com>
Signed-off-by: Caesar Wang <wxt@...k-chips.com>
---

 arch/arm64/boot/dts/rockchip/rk3399-evb.dts | 31 +++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-evb.dts b/arch/arm64/boot/dts/rockchip/rk3399-evb.dts
index d47b4e9..ed6f2e8 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-evb.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-evb.dts
@@ -94,12 +94,43 @@
 		regulator-always-on;
 		regulator-boot-on;
 	};
+
+	clkin_gmac: external-gmac-clock {
+		compatible = "fixed-clock";
+		clock-frequency = <125000000>;
+		clock-output-names = "clkin_gmac";
+		#clock-cells = <0>;
+	};
+
+	vcc_phy: vcc-phy-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc_phy";
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
 };
 
 &emmc_phy {
 	status = "okay";
 };
 
+&gmac {
+	phy-supply = <&vcc_phy>;
+	phy-mode = "rgmii";
+	clock_in_out = "input";
+	snps,reset-gpio = <&gpio3 15 GPIO_ACTIVE_LOW>;
+	snps,reset-active-low;
+	snps,reset-delays-us = <0 10000 50000>;
+	assigned-clocks = <&cru SCLK_RMII_SRC>;
+	assigned-clock-parents = <&clkin_gmac>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&rgmii_pins>;
+	tx_delay = <0x28>;
+	rx_delay = <0x11>;
+	status = "okay";
+};
+
 &pwm0 {
 	status = "okay";
 };
-- 
1.9.1