[Linux-stm32] [PATCH V4 04/22] ARM: dts: stm32: Add missing ethernet PHY skews on AV96

Marek Vasut marex at denx.de
Wed Apr 1 13:22:19 UTC 2020


The KS9031 PHY supports configurable PHY skews to compensate for
the board routing. Fill in the correct values.

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
Signed-off-by: Marek Vasut <marex at denx.de>
Cc: Alexandre Torgue <alexandre.torgue at st.com>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
Cc: Maxime Coquelin <mcoquelin.stm32 at gmail.com>
Cc: Patrice Chotard <patrice.chotard at st.com>
Cc: Patrick Delaunay <patrick.delaunay at st.com>
Cc: linux-stm32 at st-md-mailman.stormreply.com
To: linux-arm-kernel at lists.infradead.org
---
V2: No change
V3: No change
V4: Rebase on stm32-next
---
 arch/arm/boot/dts/stm32mp157a-avenger96.dts | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp157a-avenger96.dts b/arch/arm/boot/dts/stm32mp157a-avenger96.dts
index a33fddd3e023..edcc57864495 100644
--- a/arch/arm/boot/dts/stm32mp157a-avenger96.dts
+++ b/arch/arm/boot/dts/stm32mp157a-avenger96.dts
@@ -95,6 +95,20 @@ mdio0 {
 		compatible = "snps,dwmac-mdio";
 		phy0: ethernet-phy at 7 {
 			reg = <7>;
+
+			rxc-skew-ps = <1500>;
+			rxdv-skew-ps = <540>;
+			rxd0-skew-ps = <420>;
+			rxd1-skew-ps = <420>;
+			rxd2-skew-ps = <420>;
+			rxd3-skew-ps = <420>;
+
+			txc-skew-ps = <1440>;
+			txen-skew-ps = <540>;
+			txd0-skew-ps = <420>;
+			txd1-skew-ps = <420>;
+			txd2-skew-ps = <420>;
+			txd3-skew-ps = <420>;
 		};
 	};
 };
-- 
2.25.1




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