From: Kazuya Mizuguchi <[email protected]> Set PHY rxc-skew-ps to 1500 and all other values to their default values.
This is intended to to address failures in the case of 1Gbps communication using the by salvator-x board with the KSZ9031RNX phy. This has been reported to occur with both the r8a7795 (H3) and r8a7796 (M3-W) SoCs. Signed-off-by: Kazuya Mizuguchi <[email protected]> Signed-off-by: Takeshi Kihara <[email protected]> Signed-off-by: Simon Horman <[email protected]> --- v1 [Simon Horman] * Do not set values to defaults, omit them and let the driver set the defaults * Rewrote changelog N.B. The communications failures have been reported by the BSP team, however I did not observe them during testing with a salvator-x/M3-W-ES1.0 My test-case was to bring up the system using NFS root and run: netperf -H <HOST> v0 [Kazuya Mizuguchi] --- arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts | 13 +------------ 1 file changed, 1 insertion(+), 12 deletions(-) diff --git a/arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts b/arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts index 61f4662db497..93ed23ab71bb 100644 --- a/arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts +++ b/arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts @@ -172,18 +172,7 @@ status = "okay"; phy0: ethernet-phy@0 { - rxc-skew-ps = <900>; - rxdv-skew-ps = <0>; - rxd0-skew-ps = <0>; - rxd1-skew-ps = <0>; - rxd2-skew-ps = <0>; - rxd3-skew-ps = <0>; - txc-skew-ps = <900>; - txen-skew-ps = <0>; - txd0-skew-ps = <0>; - txd1-skew-ps = <0>; - txd2-skew-ps = <0>; - txd3-skew-ps = <0>; + rxc-skew-ps = <1500>; reg = <0>; interrupt-parent = <&gpio2>; interrupts = <11 IRQ_TYPE_LEVEL_LOW>; -- 2.7.0.rc3.207.g0ac5344
