From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chen-Yu Tsai Subject: [PATCH 1/2] ARM: dts: sun8i: a83t: add dwmac-sun8i device node Date: Fri, 8 Dec 2017 15:31:56 +0800 Message-ID: <20171208073157.14599-2-wens@csie.org> References: <20171208073157.14599-1-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: <20171208073157.14599-1-wens-jdAy2FN1RRM@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Maxime Ripard Cc: Corentin LABBE , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, Chen-Yu Tsai List-Id: devicetree@vger.kernel.org From: Corentin LABBE The dwmac-sun8i is an ethernet MAC hardware that support 10/100/1000 speed. This patch add support for it on the Allwinner a83t SoC Device-tree. This patch add the emac device node and the related RGMII pins node. Signed-off-by: Corentin Labbe Reviewed-by: Chen-Yu Tsai Signed-off-by: Chen-Yu Tsai --- arch/arm/boot/dts/sun8i-a83t.dtsi | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi index 19acae1b4089..a384b766f3dc 100644 --- a/arch/arm/boot/dts/sun8i-a83t.dtsi +++ b/arch/arm/boot/dts/sun8i-a83t.dtsi @@ -336,6 +336,18 @@ #interrupt-cells = <3>; #gpio-cells = <3>; + emac_rgmii_pins: emac-rgmii-pins { + pins = "PD2", "PD3", "PD4", "PD5", "PD6", "PD7", + "PD11", "PD12", "PD13", "PD14", "PD18", + "PD19", "PD21", "PD22", "PD23"; + function = "gmac"; + /* + * data lines in RGMII mode use DDR mode + * and need a higher signal drive strength + */ + drive-strength = <40>; + }; + mmc0_pins: mmc0-pins { pins = "PF0", "PF1", "PF2", "PF3", "PF4", "PF5"; @@ -440,6 +452,27 @@ status = "disabled"; }; + emac: ethernet@1c30000 { + compatible = "allwinner,sun8i-a83t-emac"; + syscon = <&syscon>; + reg = <0x01c30000 0x104>; + interrupts = ; + interrupt-names = "macirq"; + resets = <&ccu 13>; + reset-names = "stmmaceth"; + clocks = <&ccu 27>; + clock-names = "stmmaceth"; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + + mdio: mdio { + compatible = "snps,dwmac-mdio"; + #address-cells = <1>; + #size-cells = <0>; + }; + }; + gic: interrupt-controller@1c81000 { compatible = "arm,cortex-a7-gic", "arm,cortex-a15-gic"; reg = <0x01c81000 0x1000>, -- 2.15.0