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[PW_SID:1054601] [v3] phy: k1-usb: add disconnect function support #1479

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[PW_SID:1054601] [v3] phy: k1-usb: add disconnect function support #1479

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14 changes: 14 additions & 0 deletions drivers/phy/spacemit/phy-k1-usb2.c
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Original file line number Diff line number Diff line change
Expand Up @@ -48,6 +48,9 @@
#define PHY_CLK_HSTXP_EN BIT(3) /* clock hstxp enable */
#define PHY_HSTXP_MODE BIT(4) /* 0: force en_txp to be 1; 1: no force */

#define PHY_K1_HS_HOST_DISC 0x40
#define PHY_K1_HS_HOST_DISC_CLR BIT(0)

#define PHY_PLL_DIV_CFG 0x98
#define PHY_FDIV_FRACT_8_15 GENMASK(7, 0)
#define PHY_FDIV_FRACT_16_19 GENMASK(11, 8)
Expand Down Expand Up @@ -142,9 +145,20 @@ static int spacemit_usb2phy_exit(struct phy *phy)
return 0;
}

static int spacemit_usb2phy_disconnect(struct phy *phy, int port)
{
struct spacemit_usb2phy *sphy = phy_get_drvdata(phy);

regmap_update_bits(sphy->regmap_base, PHY_K1_HS_HOST_DISC,
PHY_K1_HS_HOST_DISC_CLR, PHY_K1_HS_HOST_DISC_CLR);

return 0;
}

static const struct phy_ops spacemit_usb2phy_ops = {
.init = spacemit_usb2phy_init,
.exit = spacemit_usb2phy_exit,
.disconnect = spacemit_usb2phy_disconnect,
.owner = THIS_MODULE,
};

Expand Down