Thread (3 messages) flat view 3 messages, 3 authors, 2021-11-21

Re: [PATCH] ARM: dts: vf610-zii-dev-rev-b: correct phy-mode for 6185 dsa link

From: Shawn Guo <shawnguo@kernel.org>
Date: 2021-11-21 02:43:31
Also in: linux-devicetree

On Wed, Oct 20, 2021 at 04:50:13PM +0100, Russell King (Oracle) wrote:
DT currently lists the port mode for the 88E6352 switch 1 to 88E6185
switch 2 as "rgmii-id" but referring to the schematics, it is in fact
a serdes link. The 88E6352 is configured with P5_MODE=6, S_SEL=1 and
S_MODE=1, which means port 5 is configured as 1000BASE-X.

This is confirmed by the value in the 88E6352 port 5 status register,
0x4e09, where C_MODE=9 meaning 1000BASE-X. It is also confirmed by
the 88E6185 port 9 status register, 0x5e8c, where C_MODE=4 meaning
cross-chip SERDES mode is selected.

Signed-off-by: Russell King (Oracle) <redacted>
Applied, thanks.

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