Hi All,
> Subject: [PATCH net-next] ravb: Add RZ/G2L MII interface support
>
> EMAC IP found on RZ/G2L Gb ethernet supports MII interface.
> This patch adds support for selecting MII interface mode.
>
> Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> ---
> drivers/net/ethernet/renesas/ravb.h | 5 +++++
> drivers/net/ethernet/renesas/ravb_main.c | 8 +++++++-
> 2 files changed, 12 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/renesas/ravb.h
> b/drivers/net/ethernet/renesas/ravb.h
> index b980bce763d3..c5ef43f06ea3 100644
> --- a/drivers/net/ethernet/renesas/ravb.h
> +++ b/drivers/net/ethernet/renesas/ravb.h
> @@ -189,6 +189,7 @@ enum ravb_reg {
> PSR = 0x0528,
> PIPR = 0x052c,
> CXR31 = 0x0530, /* RZ/G2L only */
> + CXR35 = 0x0540, /* RZ/G2L only */
Oops. I have sent v2 replacing spaces with tab.
Cheers,
Biju
> MPR = 0x0558,
> PFTCR = 0x055c,
> PFRCR = 0x0560,
> @@ -965,6 +966,10 @@ enum CXR31_BIT {
> CXR31_SEL_LINK1 = 0x00000008,
> };
>
> +enum CXR35_BIT {
> + CXR35_SEL_MII = 0x03E80002,
> +};
> +
> enum CSR0_BIT {
> CSR0_TPE = 0x00000010,
> CSR0_RPE = 0x00000020,
> diff --git a/drivers/net/ethernet/renesas/ravb_main.c
> b/drivers/net/ethernet/renesas/ravb_main.c
> index b357ac4c56c5..6f6bf11995b0 100644
> --- a/drivers/net/ethernet/renesas/ravb_main.c
> +++ b/drivers/net/ethernet/renesas/ravb_main.c
> @@ -540,7 +540,13 @@ static void ravb_emac_init_gbeth(struct net_device
> *ndev)
> /* E-MAC interrupt enable register */
> ravb_write(ndev, ECSIPR_ICDIP, ECSIPR);
>
> - ravb_modify(ndev, CXR31, CXR31_SEL_LINK0 | CXR31_SEL_LINK1,
> CXR31_SEL_LINK0);
> + if (priv->phy_interface == PHY_INTERFACE_MODE_MII) {
> + ravb_modify(ndev, CXR31, CXR31_SEL_LINK0 | CXR31_SEL_LINK1,
> 0);
> + ravb_write(ndev, CXR35_SEL_MII, CXR35);
> + } else {
> + ravb_modify(ndev, CXR31, CXR31_SEL_LINK0 | CXR31_SEL_LINK1,
> + CXR31_SEL_LINK0);
> + }
> }
>
> static void ravb_emac_init_rcar(struct net_device *ndev)
> --
> 2.25.1
