From:   Colin Foster <colin.foster@in-advantage.com>
To:     linux-phy@lists.infradead.org, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org
Cc:     Russell King <linux@armlinux.org.uk>,
        Kishon Vijay Abraham I <kishon@kernel.org>,
        Vinod Koul <vkoul@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Eric Dumazet <edumazet@google.com>,
        "David S. Miller" <davem@davemloft.net>,
        Florian Fainelli <f.fainelli@gmail.com>,
        Andrew Lunn <andrew@lunn.ch>, UNGLinuxDriver@microchip.com,
        Alexandre Belloni <alexandre.belloni@bootlin.com>,
        Claudiu Manoil <claudiu.manoil@nxp.com>,
        Vladimir Oltean <vladimir.oltean@nxp.com>,
        Lee Jones <lee@kernel.org>
Subject: [PATCH v2 net-next 6/9] net: dsa: felix: attempt to initialize internal hsio plls
Date:   Fri, 17 Mar 2023 11:54:12 -0700
Message-Id: <20230317185415.2000564-7-colin.foster@in-advantage.com>
In-Reply-To: <20230317185415.2000564-1-colin.foster@in-advantage.com>
References: <20230317185415.2000564-1-colin.foster@in-advantage.com>
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The VSC7512 and VSC7514 have internal PLLs that can be used to control
different peripherals. Initialize these high speed I/O (HSIO) PLLs when
they exist, so that dependent peripherals like QSGMII can function.

Signed-off-by: Colin Foster <colin.foster@in-advantage.com>
---

v1 -> v2
    * No change

---
 drivers/net/dsa/ocelot/felix.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c
index d4cc9e60f369..21dcb9cadc12 100644
--- a/drivers/net/dsa/ocelot/felix.c
+++ b/drivers/net/dsa/ocelot/felix.c
@@ -1555,6 +1555,9 @@ static int felix_setup(struct dsa_switch *ds)
 	if (err)
 		return err;
 
+	if (ocelot->targets[HSIO])
+		ocelot_pll5_init(ocelot);
+
 	err = ocelot_init(ocelot);
 	if (err)
 		goto out_mdiobus_free;
-- 
2.25.1