Commit 7904e15b authored by Roger Quadros's avatar Roger Quadros Committed by Kishon Vijay Abraham I
Browse files

phy: cadence: Sierra: add phy_reset hook 



Some platforms e.g. J721e need lane swap register
to be programmed before reset is deasserted.
This patch ensures that we propagate the phy_reset
back to the reset controller driver.

Signed-off-by: default avatarRoger Quadros <rogerq@ti.com>
Signed-off-by: default avatarSekhar Nori <nsekhar@ti.com>
Reviewed-by: default avatarJyri Sarha <jsarha@ti.com>
Signed-off-by: default avatarKishon Vijay Abraham I <kishon@ti.com>
parent 80f96fb1

drivers/phy/cadence/phy-cadence-sierra.c

+10 −0
Original line number Diff line number Diff line
@@ -341,10 +341,20 @@ static int cdns_sierra_phy_off(struct phy *gphy) 
	return reset_control_assert(ins->lnk_rst);

}



static int cdns_sierra_phy_reset(struct phy *gphy)

{

	struct cdns_sierra_phy *sp = dev_get_drvdata(gphy->dev.parent);



	reset_control_assert(sp->phy_rst);

	reset_control_deassert(sp->phy_rst);

	return 0;

};



static const struct phy_ops ops = {

	.init		= cdns_sierra_phy_init,

	.power_on	= cdns_sierra_phy_on,

	.power_off	= cdns_sierra_phy_off,

	.reset		= cdns_sierra_phy_reset,

	.owner		= THIS_MODULE,

};