Re: [PATCH net] net: phy: realtek: fix rtl8211e rx/tx delay config

2020-09-25 Thread Jakub Kicinski
On Fri, 25 Sep 2020 15:25:15 +0800 Willy Liu wrote: > There are two chip pins named TXDLY and RXDLY which actually adds the 2ns > delays to TXC and RXC for TXD/RXD latching. These two pins can config via > 4.7k-ohm resistor to 3.3V hw setting, but also config via software setting > (extension page

Re: [PATCH net] net: phy: realtek: fix rtl8211e rx/tx delay config

2020-09-25 Thread Andrew Lunn
On Fri, Sep 25, 2020 at 03:25:15PM +0800, Willy Liu wrote: > There are two chip pins named TXDLY and RXDLY which actually adds the 2ns > delays to TXC and RXC for TXD/RXD latching. These two pins can config via > 4.7k-ohm resistor to 3.3V hw setting, but also config via software setting > (extensio

[PATCH net] net: phy: realtek: fix rtl8211e rx/tx delay config

2020-09-25 Thread Willy Liu
There are two chip pins named TXDLY and RXDLY which actually adds the 2ns delays to TXC and RXC for TXD/RXD latching. These two pins can config via 4.7k-ohm resistor to 3.3V hw setting, but also config via software setting (extension page 0xa4 register 0x1c bit13 12 and 11). The configuration regi