Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
From:   Roger Quadros <rogerq@ti.com>
To:     <kishon@ti.com>
CC:     <aniljoy@cadence.com>, <adouglas@cadence.com>, <nsekhar@ti.com>,
        <jsarha@ti.com>, <linux-kernel@vger.kernel.org>,
        <devicetree@vger.kernel.org>, Roger Quadros <rogerq@ti.com>
Subject: [PATCH 1/3] phy: cadence: Sierra: add phy_reset hook
Date:   Tue, 22 Oct 2019 16:22:47 +0300
Message-ID: <20191022132249.869-2-rogerq@ti.com>
In-Reply-To: <20191022132249.869-1-rogerq@ti.com>
References: <20191022132249.869-1-rogerq@ti.com>
MIME-Version: 1.0
Content-Type: text/plain
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

This is required if type C driver needs to hold
global reset on J7ES to perform LN10 swap.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
---
 drivers/phy/cadence/phy-cadence-sierra.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/phy/cadence/phy-cadence-sierra.c b/drivers/phy/cadence/phy-cadence-sierra.c
index affede8c4368..e6d27bdec22a 100644
--- a/drivers/phy/cadence/phy-cadence-sierra.c
+++ b/drivers/phy/cadence/phy-cadence-sierra.c
@@ -339,10 +339,20 @@ 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,
 };
 
-- 
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki