linux-kernel - [PATCH v1 2/3] dts: phy: add GPIO number and active state used for phy reset

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Message-Id: <1589378222-15238-3-git-send-email-sagar.kadam@sifive.com>
Date:   Wed, 13 May 2020 06:57:00 -0700
From:   Sagar Shrikant Kadam <sagar.kadam@...ive.com>
To:     linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
        devicetree@...r.kernel.org, robh+dt@...nel.org
Cc:     palmer@...belt.com, paul.walmsley@...ive.com, atish.patra@....com,
        Sagar Shrikant Kadam <sagar.kadam@...ive.com>
Subject: [PATCH v1 2/3] dts: phy: add GPIO number and active state used for phy reset

The GEMGXL_RST line on HiFive Unleashed is pulled low and is
using GPIO number 12. Add these reset-gpio details to dt-node
using which the linux phylib can reset the phy.

Signed-off-by: Sagar Shrikant Kadam <sagar.kadam@...ive.com>
---
 arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts b/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
index 60846e8..24d75a1 100644
--- a/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
+++ b/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
@@ -90,6 +90,7 @@
 	phy0: ethernet-phy@0 {
 		compatible = "ethernet-phy-id0007.0771";
 		reg = <0>;
+		reset-gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
 	};
 };
 
-- 
2.7.4