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From: Lukasz Majewski <lukma@denx.de>
To: Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: Nicolas Ferre <nicolas.ferre@microchip.com>,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
Claudiu Beznea <claudiu.beznea@microchip.com>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, Lukasz Majewski <lukma@denx.de>
Subject: [PATCH] ARM: dts: at91: ksz9477_evb: Add tx-internal-delay-ps
property for port5
Date: Thu, 27 Jul 2023 10:06:56 +0200
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| Series |
ARM: dts: at91: ksz9477_evb: Add tx-internal-delay-ps property for port5
|
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Commit Message
Lukasz Majewski
July 27, 2023, 8:06 a.m. UTC
Without this change the KSZ9477 Evaluation board's Linux (v6.5-rc1) shows
following device warning:
'ksz-switch spi1.0: Port 5 interpreting RGMII delay settings based on "phy-mode" property, please update device tree to specify "rx-internal-delay-ps" and "tx-internal-delay-ps"'
This is not critical, as KSZ driver by itself assigns default value of
tx delay to 2000 ps (as 'rgmii-txid' is set as PHY mode).
However, to avoid extra warnings in logs - the missing 'tx-internal-delay-ps'
has been specified with the default value of 2000 ps.
Signed-off-by: Lukasz Majewski <lukma@denx.de>
---
arch/arm/boot/dts/microchip/at91-sama5d3_ksz9477_evb.dts | 1 +
1 file changed, 1 insertion(+)
Comments
On 27.07.2023 11:06, Lukasz Majewski wrote: > Without this change the KSZ9477 Evaluation board's Linux (v6.5-rc1) shows > following device warning: > > 'ksz-switch spi1.0: Port 5 interpreting RGMII delay settings based on "phy-mode" property, please update device tree to specify "rx-internal-delay-ps" and "tx-internal-delay-ps"' > > This is not critical, as KSZ driver by itself assigns default value of > tx delay to 2000 ps (as 'rgmii-txid' is set as PHY mode). > > However, to avoid extra warnings in logs - the missing 'tx-internal-delay-ps' > has been specified with the default value of 2000 ps. > > Signed-off-by: Lukasz Majewski <lukma@denx.de> Applied to at91-dt, thanks!
diff --git a/arch/arm/boot/dts/microchip/at91-sama5d3_ksz9477_evb.dts b/arch/arm/boot/dts/microchip/at91-sama5d3_ksz9477_evb.dts index 99cd6d15998b..b66570080894 100644 --- a/arch/arm/boot/dts/microchip/at91-sama5d3_ksz9477_evb.dts +++ b/arch/arm/boot/dts/microchip/at91-sama5d3_ksz9477_evb.dts @@ -152,6 +152,7 @@ label = "cpu"; ethernet = <&macb0>; phy-mode = "rgmii-txid"; + tx-internal-delay-ps = <2000>; fixed-link { speed = <1000>;