[PATCH] arm64: dts: rockchip: set PHY address of MT7531 switch to 0x1f

Arınç ÜNAL arinc.unal at arinc9.com
Thu Mar 14 05:37:19 PDT 2024


Hello Heiko.

On 14.03.2024 15:31, Heiko Stübner wrote:
> Am Donnerstag, 14. März 2024, 13:24:35 CET schrieb Arınç ÜNAL via B4 Relay:
>> From: Arınç ÜNAL <arinc.unal at arinc9.com>
>>
>> The MT7531 switch listens on PHY address 0x1f on an MDIO bus. I've got two
>> findings that support this. There's no bootstrapping option to change the
>> PHY address of the switch. The Linux driver hardcodes 0x1f as the PHY
>> address of the switch. So the reg property on the device tree is currently
>> ignored by the Linux driver.
>>
>> Therefore, describe the correct PHY address on Banana Pi BPI-R2 Pro that
>> has this switch.
>>
>> Signed-off-by: Arınç ÜNAL <arinc.unal at arinc9.com>
> 
> Fixes: c1804463e5c6 ("arm64: dts: rockchip: Add mt7531 dsa node to BPI-R2-Pro board")

Do I need to resubmit with this added, or would you add it while applying
the patch?

Arınç



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