[PATCH AUTOSEL 5.4 18/26] dts: phy: add GPIO number and active state used for phy reset
Sasha Levin
sashal at kernel.org
Tue Jan 19 20:26:55 EST 2021
From: Sagar Shrikant Kadam <sagar.kadam at sifive.com>
[ Upstream commit a0fa9d727043da2238432471e85de0bdb8a8df65 ]
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 at sifive.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt at google.com>
Signed-off-by: Sasha Levin <sashal at kernel.org>
---
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 cc04e66752aac..1ad3dc2fb6343 100644
--- a/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
+++ b/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
@@ -85,6 +85,7 @@ ð0 {
phy0: ethernet-phy at 0 {
compatible = "ethernet-phy-id0007.0771";
reg = <0>;
+ reset-gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
};
};
--
2.27.0
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