Re: [PATCH] arm64: dts: meson-g12a-x96-max: Add Gigabit Ethernet Support
From: Neil Armstrong
Date: Tue May 21 2019 - 04:37:35 EST
Hi,
On 20/05/2019 19:49, Martin Blumenstingl wrote:
> Hi Neil,
>
> On Mon, May 20, 2019 at 3:43 PM Neil Armstrong <narmstrong@xxxxxxxxxxxx> wrote:
>>
>> Enable the network interface of the X96 Mac using an external
>> Realtek RTL8211F gigabit PHY, needing the same broken-eee properties
>> as the previous Amlogic SoC generations.
>>
>> Signed-off-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
>> ---
>> .../boot/dts/amlogic/meson-g12a-x96-max.dts | 22 +++++++++++++++++++
>> 1 file changed, 22 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts
>> index 5cdc263b03e6..5ca79109c250 100644
>> --- a/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts
>> +++ b/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts
>> @@ -15,6 +15,7 @@
>>
>> aliases {
>> serial0 = &uart_AO;
>> + ethernet0 = ðmac;
>> };
>> chosen {
>> stdout-path = "serial0:115200n8";
>> @@ -150,6 +151,27 @@
>> pinctrl-names = "default";
>> };
>>
>> +&ext_mdio {
>> + external_phy: ethernet-phy@0 {
>> + /* Realtek RTL8211F (0x001cc916) */
>> + reg = <0>;
>> + max-speed = <1000>;
>> + eee-broken-1000t;
> do we still need eee-broken-1000t? there are only 2 boards left which
> set it and I'm not sure whether those still need it after Carlo's
> fixes
In our tests, this boards really needs it... otherwise the network stalls
pretty quickly. I'd prefer to avoid it but seems it's necessary.
>
>> + };
>> +};
>> +
>> +ðmac {
>> + pinctrl-0 = <ð_rmii_pins>, <ð_rgmii_pins>;
> Jerome renamed "eth_rmii_pins" to "eth_pins" in v2 of his Ethernet
> pinctrl patch: [0]
> you missed his update only by a few minutes
Damn...
Thx.
Neil
>
>
> Martin
>
>
> [0] https://patchwork.kernel.org/patch/10951103/
>