From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chen-Yu Tsai Subject: [PATCH 9/9] ARM: dts: sun9i: cubieboard4: Enable GMAC Date: Wed, 6 Feb 2019 11:32:39 +0800 Message-ID: <20190206033239.3619-10-wens@csie.org> References: <20190206033239.3619-1-wens@csie.org> Reply-To: wens-jdAy2FN1RRM@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: Sender: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org In-Reply-To: <20190206033239.3619-1-wens-jdAy2FN1RRM@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Maxime Ripard , Linus Walleij Cc: Chen-Yu Tsai , linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-gpio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org List-Id: devicetree@vger.kernel.org The Cubieboard4 has a Realtek RTL8211E ethernet PHY which uses RGMII to talk to the MAC. The PHY is powered by 2 regulators: cldo1 for the PHY's core logic and gpio1-ldo for I/O. The latter also powers the SoC side pins. As there is no binding to model a second regulator supply for the PHY, it is omitted. It is however properly modeled for the PIO. Signed-off-by: Chen-Yu Tsai --- arch/arm/boot/dts/sun9i-a80-cubieboard4.dts | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/arm/boot/dts/sun9i-a80-cubieboard4.dts b/arch/arm/boot/dts/sun9i-a80-cubieboard4.dts index 0daab9b374e6..28c034928d67 100644 --- a/arch/arm/boot/dts/sun9i-a80-cubieboard4.dts +++ b/arch/arm/boot/dts/sun9i-a80-cubieboard4.dts @@ -133,6 +133,19 @@ status = "okay"; }; +&gmac { + pinctrl-names = "default"; + pinctrl-0 = <&gmac_rgmii_pins>; + phy = <&phy1>; + phy-mode = "rgmii"; + phy-supply = <®_cldo1>; + status = "okay"; + + phy1: ethernet-phy@1 { + reg = <1>; + }; +}; + &i2c3 { pinctrl-names = "default"; pinctrl-0 = <&i2c3_pins>; @@ -402,6 +415,14 @@ */ regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; + /* + * The PHY requires 20ms after all voltages + * are applied until core logic is ready and + * 30ms after the reset pin is de-asserted. + * Set a 100ms delay to account for PMIC + * ramp time and board traces. + */ + regulator-enable-ramp-delay = <100000>; regulator-name = "vcc-gmac-phy"; }; -- 2.20.1