On 04/23/2019 04:01 PM, Simon Horman wrote: > According to the R-Car Gen3 Hardware Manual Rev 1.50 of Nov 30, 2018, the > TX clock internal delay mode isn't supported on R-Car E3 (r8a77990) or D3 > (r8a77995). And by extension it is also not supported by RZ/G2E (r9a774c0). > > This matches all ES versions of the affected SoCs as it is > not clear if this problem will be resolved in newer chips. > This can be revisited, as necessary. > > This patch does not error-out if PHY_INTERFACE_MODE_RGMII_ID or > PHY_INTERFACE_MODE_RGMII_TXID are used on SoCs where TX clock delay > mode is not supported as there is a risk of introducing a regression > when used in conjunction with older DT blobs present in the field. > Rather, a warning is logged in such cases. > > Based on work by Kazuya Mizuguchi. > > Signed-off-by: Simon Horman <horms+renesas@xxxxxxxxxxxx> > Reviewed-by: Andrew Lunn <andrew@xxxxxxx> Reviewed-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx> [...] MBR, Seregi
