Re: [PATCH v3 0/5] dwmac-meson8b: picosecond precision RX delay support

2020-12-29 Thread Martin Blumenstingl
Hi Jakub, On Mon, Dec 28, 2020 at 9:37 PM Jakub Kicinski wrote: > > On Thu, 24 Dec 2020 00:29:00 +0100 Martin Blumenstingl wrote: > > Hello, > > > > with the help of Jianxin Pan (many thanks!) the meaning of the "new" > > PRG_ETH1[19:16] register bits on Amlogic Meson G12A, G12B and SM1 SoCs > >

Re: [PATCH v3 0/5] dwmac-meson8b: picosecond precision RX delay support

2020-12-28 Thread Jakub Kicinski
On Thu, 24 Dec 2020 00:29:00 +0100 Martin Blumenstingl wrote: > Hello, > > with the help of Jianxin Pan (many thanks!) the meaning of the "new" > PRG_ETH1[19:16] register bits on Amlogic Meson G12A, G12B and SM1 SoCs > are finally known. These SoCs allow fine-tuning the RGMII RX delay in > 200ps s

[PATCH v3 0/5] dwmac-meson8b: picosecond precision RX delay support

2020-12-23 Thread Martin Blumenstingl
Hello, with the help of Jianxin Pan (many thanks!) the meaning of the "new" PRG_ETH1[19:16] register bits on Amlogic Meson G12A, G12B and SM1 SoCs are finally known. These SoCs allow fine-tuning the RGMII RX delay in 200ps steps (contrary to what I have thought in the past [0] these are not some "