diff options
| author |   Mugunthan V N <mugunthanvnm@ti.com> | 2016-10-04 19:07:29 +0530 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-10-06 20:45:30 -0400 |
| commit | 0fb26c3063ea7095fcdd1cf1dfd39e57130bc80c (patch) | |
| tree | f1b0bdc3528a8019c9a4dacec5ab3646bf4151e0 /drivers/net/ethernet/ti/cpsw-phy-sel.c | |
| parent | net: hns: Add missing \n to end of dev_err messages, tidy up text (diff) | |
| download | linux-dev-0fb26c3063ea7095fcdd1cf1dfd39e57130bc80c.tar.xz linux-dev-0fb26c3063ea7095fcdd1cf1dfd39e57130bc80c.zip | |
drivers: net: cpsw-phy-sel: add support to configure rgmii internal delay
Add support to enable CPSW RGMII internal delay (id mode) bits
when rgmii internal delay is configured in phy.
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/ti/cpsw-phy-sel.c')
| -rw-r--r-- | drivers/net/ethernet/ti/cpsw-phy-sel.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/ethernet/ti/cpsw-phy-sel.c b/drivers/net/ethernet/ti/cpsw-phy-sel.c index c3e85acfdc70..054a8dd23dae 100644 --- a/drivers/net/ethernet/ti/cpsw-phy-sel.c +++ b/drivers/net/ethernet/ti/cpsw-phy-sel.c @@ -30,6 +30,8 @@ #define AM33XX_GMII_SEL_RMII2_IO_CLK_EN BIT(7) #define AM33XX_GMII_SEL_RMII1_IO_CLK_EN BIT(6) +#define AM33XX_GMII_SEL_RGMII2_IDMODE BIT(5) +#define AM33XX_GMII_SEL_RGMII1_IDMODE BIT(4) #define GMII_SEL_MODE_MASK 0x3 @@ -48,6 +50,7 @@ static void cpsw_gmii_sel_am3352(struct cpsw_phy_sel_priv *priv, u32 reg; u32 mask; u32 mode = 0; + bool rgmii_id = false; reg = readl(priv->gmii_sel); @@ -57,10 +60,14 @@ static void cpsw_gmii_sel_am3352(struct cpsw_phy_sel_priv *priv, break; case PHY_INTERFACE_MODE_RGMII: + mode = AM33XX_GMII_SEL_MODE_RGMII; + break; + case PHY_INTERFACE_MODE_RGMII_ID: case PHY_INTERFACE_MODE_RGMII_RXID: case PHY_INTERFACE_MODE_RGMII_TXID: mode = AM33XX_GMII_SEL_MODE_RGMII; + rgmii_id = true; break; default: @@ -83,6 +90,13 @@ static void cpsw_gmii_sel_am3352(struct cpsw_phy_sel_priv *priv, mode |= AM33XX_GMII_SEL_RMII2_IO_CLK_EN; } + if (rgmii_id) { + if (slave == 0) + mode |= AM33XX_GMII_SEL_RGMII1_IDMODE; + else + mode |= AM33XX_GMII_SEL_RGMII2_IDMODE; + } + reg &= ~mask; reg |= mode; |