[PATCH 1/2] riscv: dts: spacemit: Add enough deassert time for the PHY on PICO ITX

Inochi Amaoto <[email protected]> Fri, 10 Jul 2026 14:33:12 +0800
Newsgroups dev.linux.lists.spacemit,org.infradead.lists.linux-riscv,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
RTL8211F require at least 50ms deassert to guarantee the register
access, 10ms is only enough for the PHY reset.

Fixes: 74657a376960 ("riscv: dts: spacemit: Add ethernet device for K3")
Signed-off-by: Inochi Amaoto <[email protected]>
---
 arch/riscv/boot/dts/spacemit/k3-pico-itx.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts b/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts
index 1eb5abbc61f9..b2a7d2d0d3a8 100644
--- a/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts
+++ b/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts
@@ -200,7 +200,7 @@ phy0: phy@1 {
 			reg = <1>;
 			reset-gpios = <&gpio 0 15 GPIO_ACTIVE_LOW>;
 			reset-assert-us = <10000>;
-			reset-deassert-us = <10000>;
+			reset-deassert-us = <50000>;
 		};
 	};
 };
-- 
2.55.0