[PATCH] ARM: dts: dlink-dns327l: fix reg-init PHY

Andrew Lunn andrew at lunn.ch
Fri Jun 26 16:33:23 EDT 2020


On Fri, Jun 26, 2020 at 08:39:05PM +0200, Daniel González Cabanelas wrote:
> The marvell PHY reg-init registers for the D-Link DNS-327L are wrong.
> Currently the first field is used to set the page 2, but this is
> pointless. The usage is not correct, and we are setting the wrong
> registers.
> 
> Fix it.
> 
> Signed-off-by: Daniel González Cabanelas <dgcbueu at gmail.com>
> ---
>  arch/arm/boot/dts/armada-370-dlink-dns327l.dts | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/armada-370-dlink-dns327l.dts b/arch/arm/boot/dts/armada-370-dlink-dns327l.dts
> index baa459dd5..2008c6eaa 100644
> --- a/arch/arm/boot/dts/armada-370-dlink-dns327l.dts
> +++ b/arch/arm/boot/dts/armada-370-dlink-dns327l.dts
> @@ -247,9 +247,8 @@ &uart1 {
>  &mdio {
>  	phy0: ethernet-phy at 0 { /* Marvell 88E1318 */
>  		reg = <0>;
> -		marvell,reg-init = <0x0 0x16 0x0 0x0002>,

Interesting. That is writing to the page register, to change to page
2! So this might of worked with an earlier implementation. But not
now.

> -				<0x0 0x19 0x0 0x0077>,
> -				<0x0 0x18 0x0 0x5747>;
> +		marvell,reg-init = <0x2 0x19 0x0 0x0077>,
> +				   <0x2 0x18 0x0 0x5747>;

Reviewed-by: Andrew Lunn <andrew at lunn.ch>

    Andrew



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