linux-kernel - [PATCH net-next 4/4] net: phy: bcm54140: add second PHY ID

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Date:   Tue, 28 Apr 2020 23:08:54 +0200
From:   Michael Walle <michael@...le.cc>
To:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S . Miller" <davem@...emloft.net>,
        Michael Walle <michael@...le.cc>
Subject: [PATCH net-next 4/4] net: phy: bcm54140: add second PHY ID

This PHY have to PHY IDs depending on its mode. Adjust the mask so that
it includes both IDs.

Also move the PHY_ID_BCM54140 out of the brcmphy.h into the driver to
have the mask and the ID in one place.

Signed-off-by: Michael Walle <michael@...le.cc>
---
 drivers/net/phy/bcm54140.c | 12 ++++++++++--
 include/linux/brcmphy.h    |  1 -
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/drivers/net/phy/bcm54140.c b/drivers/net/phy/bcm54140.c
index d73cbddbc69b..6c54f067c7fb 100644
--- a/drivers/net/phy/bcm54140.c
+++ b/drivers/net/phy/bcm54140.c
@@ -115,6 +115,14 @@
 #define BCM54140_HWMON_IN_ALARM_BIT(ch) ((ch) ? BCM54140_RDB_MON_ISR_3V3 \
 					      : BCM54140_RDB_MON_ISR_1V0)
 
+/* This PHY has two different PHY IDs depening on its MODE_SEL pin. This
+ * pin choses between 4x SGMII and QSGMII mode:
+ *   AE02_5009 4x SGMII
+ *   AE02_5019 QSGMII
+ */
+#define PHY_ID_BCM54140		0xae025009
+#define BCM54140_PHY_ID_MASK	0xffffffe8
+
 #define BCM54140_PHY_ID_REV(phy_id)	((phy_id) & 0x7)
 #define BCM54140_REV_B0			1
 
@@ -857,7 +865,7 @@ static int bcm54140_set_tunable(struct phy_device *phydev,
 static struct phy_driver bcm54140_drivers[] = {
 	{
 		.phy_id         = PHY_ID_BCM54140,
-		.phy_id_mask    = 0xfffffff8,
+		.phy_id_mask    = BCM54140_PHY_ID_MASK,
 		.name           = "Broadcom BCM54140",
 		.features       = PHY_GBIT_FEATURES,
 		.config_init    = bcm54140_config_init,
@@ -875,7 +883,7 @@ static struct phy_driver bcm54140_drivers[] = {
 module_phy_driver(bcm54140_drivers);
 
 static struct mdio_device_id __maybe_unused bcm54140_tbl[] = {
-	{ PHY_ID_BCM54140, 0xfffffff8 },
+	{ PHY_ID_BCM54140, BCM54140_PHY_ID_MASK },
 	{ }
 };
 
diff --git a/include/linux/brcmphy.h b/include/linux/brcmphy.h
index 8be150e69c7c..897b69309964 100644
--- a/include/linux/brcmphy.h
+++ b/include/linux/brcmphy.h
@@ -25,7 +25,6 @@
 #define PHY_ID_BCM5461			0x002060c0
 #define PHY_ID_BCM54612E		0x03625e60
 #define PHY_ID_BCM54616S		0x03625d10
-#define PHY_ID_BCM54140			0xae025019
 #define PHY_ID_BCM57780			0x03625d90
 #define PHY_ID_BCM89610			0x03625cd0
 
-- 
2.20.1