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Message-Id: <1510134642-18797-1-git-send-email-zyw@rock-chips.com>
Date: Wed, 8 Nov 2017 17:50:41 +0800
From: Chris Zhong <zyw@...k-chips.com>
To: heiko@...ech.de
Cc: Chris Zhong <zyw@...k-chips.com>, Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Russell King <linux@...linux.org.uk>,
linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v2] ARM: dts: add reset property for rk3066a-rayeager emac phy
The ethernet phy of rk3066a-rayeager has a reset pin, it controlled by
GPIO1_D6, this pin should be pull down then pull up to reset the phy.
Add a reset-gpios property in phy0, make the phy can be reset when emac
power on.
Signed-off-by: Chris Zhong <zyw@...k-chips.com>
---
Changes in v2:
use a generic property for reset, and this patch follow these 2 pathes
from Geert Uytterhoeven <geert+renesas@...der.be>
http://patchwork.ozlabs.org/patch/828499/
http://patchwork.ozlabs.org/patch/828505/
arch/arm/boot/dts/rk3066a-rayeager.dts | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/boot/dts/rk3066a-rayeager.dts b/arch/arm/boot/dts/rk3066a-rayeager.dts
index 570157f..04c1f97 100644
--- a/arch/arm/boot/dts/rk3066a-rayeager.dts
+++ b/arch/arm/boot/dts/rk3066a-rayeager.dts
@@ -177,6 +177,7 @@
phy0: ethernet-phy@0 {
reg = <0>;
+ reset-gpios = <&gpio1 RK_PD6 GPIO_ACTIVE_LOW>;
};
};
--
2.7.4
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