Re: [PATCH RFC v2 5/5] net: stmmac: dwmac-meson8b: add support for the RGMII RX delay on G12A

2020-11-17 Thread Florian Fainelli
On 11/15/20 10:52 AM, Martin Blumenstingl wrote: > Amlogic Meson G12A (and newer: G12B, SM1) SoCs have a more advanced RX > delay logic. Instead of fine-tuning the delay in the nanoseconds range > it now allows tuning in 200 picosecond steps. This support comes with > new bits in the PRG_ETH1[19:16

Re: [PATCH RFC v2 5/5] net: stmmac: dwmac-meson8b: add support for the RGMII RX delay on G12A

2020-11-16 Thread Andrew Lunn
On Sun, Nov 15, 2020 at 07:52:10PM +0100, Martin Blumenstingl wrote: > Amlogic Meson G12A (and newer: G12B, SM1) SoCs have a more advanced RX > delay logic. Instead of fine-tuning the delay in the nanoseconds range > it now allows tuning in 200 picosecond steps. This support comes with > new bits i

[PATCH RFC v2 5/5] net: stmmac: dwmac-meson8b: add support for the RGMII RX delay on G12A

2020-11-15 Thread Martin Blumenstingl
Amlogic Meson G12A (and newer: G12B, SM1) SoCs have a more advanced RX delay logic. Instead of fine-tuning the delay in the nanoseconds range it now allows tuning in 200 picosecond steps. This support comes with new bits in the PRG_ETH1[19:16] register. Add support for validating the RGMII RX dela