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phy: ti: gmii-sel: Add support for SGMII mode

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Add support to configure the CPSW MAC's PHY in SGMII mode if the SoC
supports it. The extra_modes member of the phy_gmii_sel_soc_data struct
corresponding to the SoC is used to determine whether or not the SoC
supports SGMII mode.

Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Link: https://lore.kernel.org/r/20230309063514.398705-2-s-vadapalli@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Siddharth Vadapalli 2023-03-09 12:05:12 +05:30 committed by Vinod Koul
parent 1541fbaca0
commit 6a30118842
1 changed files with 8 additions and 0 deletions
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8
drivers/phy/ti/phy-gmii-sel.c
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@ -23,6 +23,7 @@
#define AM33XX_GMII_SEL_MODE_RGMII 2 #define AM33XX_GMII_SEL_MODE_RGMII 2
/* J72xx SoC specific definitions for the CONTROL port */ /* J72xx SoC specific definitions for the CONTROL port */
#define J72XX_GMII_SEL_MODE_SGMII 3
#define J72XX_GMII_SEL_MODE_QSGMII 4 #define J72XX_GMII_SEL_MODE_QSGMII 4
#define J72XX_GMII_SEL_MODE_QSGMII_SUB 6 #define J72XX_GMII_SEL_MODE_QSGMII_SUB 6
@ -106,6 +107,13 @@ static int phy_gmii_sel_mode(struct phy *phy, enum phy_mode mode, int submode)
gmii_sel_mode = J72XX_GMII_SEL_MODE_QSGMII_SUB; gmii_sel_mode = J72XX_GMII_SEL_MODE_QSGMII_SUB;
break; break;
case PHY_INTERFACE_MODE_SGMII:
if (!(soc_data->extra_modes & BIT(PHY_INTERFACE_MODE_SGMII)))
goto unsupported;
else
gmii_sel_mode = J72XX_GMII_SEL_MODE_SGMII;
break;
default: default:
goto unsupported; goto unsupported;
} }