linux-kernel - [PATCH net 2/3] net: phy: mscc: add support for VSC8501

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Date:   Sat, 20 May 2023 18:06:02 +0200
From:   David Epping <david.epping@...singlinkelectronics.com>
To:     Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        UNGLinuxDriver@...rochip.com,
        David Epping <david.epping@...singlinkelectronics.com>
Subject: [PATCH net 2/3] net: phy: mscc: add support for VSC8501

The VSC8501 PHY can use the same driver implementation as the VSC8502.
Adding the PHY ID and copying the handler functions of VSC8502 is
sufficient to operate it.

Signed-off-by: David Epping <david.epping@...singlinkelectronics.com>
---
 drivers/net/phy/mscc/mscc.h      |  1 +
 drivers/net/phy/mscc/mscc_main.c | 25 +++++++++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/drivers/net/phy/mscc/mscc.h b/drivers/net/phy/mscc/mscc.h
index a50235fdf7d9..79cbb2418664 100644
--- a/drivers/net/phy/mscc/mscc.h
+++ b/drivers/net/phy/mscc/mscc.h
@@ -276,6 +276,7 @@ enum rgmii_clock_delay {
 /* Microsemi PHY ID's
  *   Code assumes lowest nibble is 0
  */
+#define PHY_ID_VSC8501			  0x00070530
 #define PHY_ID_VSC8502			  0x00070630
 #define PHY_ID_VSC8504			  0x000704c0
 #define PHY_ID_VSC8514			  0x00070670
diff --git a/drivers/net/phy/mscc/mscc_main.c b/drivers/net/phy/mscc/mscc_main.c
index bd81a4b041e5..29fc27a16805 100644
--- a/drivers/net/phy/mscc/mscc_main.c
+++ b/drivers/net/phy/mscc/mscc_main.c
@@ -2316,6 +2316,30 @@ static int vsc85xx_probe(struct phy_device *phydev)
 
 /* Microsemi VSC85xx PHYs */
 static struct phy_driver vsc85xx_driver[] = {
+{
+	.phy_id		= PHY_ID_VSC8501,
+	.name		= "Microsemi GE VSC8501 SyncE",
+	.phy_id_mask	= 0xfffffff0,
+	/* PHY_BASIC_FEATURES */
+	.soft_reset	= &genphy_soft_reset,
+	.config_init	= &vsc85xx_config_init,
+	.config_aneg    = &vsc85xx_config_aneg,
+	.read_status	= &vsc85xx_read_status,
+	.handle_interrupt = vsc85xx_handle_interrupt,
+	.config_intr	= &vsc85xx_config_intr,
+	.suspend	= &genphy_suspend,
+	.resume		= &genphy_resume,
+	.probe		= &vsc85xx_probe,
+	.set_wol	= &vsc85xx_wol_set,
+	.get_wol	= &vsc85xx_wol_get,
+	.get_tunable	= &vsc85xx_get_tunable,
+	.set_tunable	= &vsc85xx_set_tunable,
+	.read_page	= &vsc85xx_phy_read_page,
+	.write_page	= &vsc85xx_phy_write_page,
+	.get_sset_count = &vsc85xx_get_sset_count,
+	.get_strings    = &vsc85xx_get_strings,
+	.get_stats      = &vsc85xx_get_stats,
+},
 {
 	.phy_id		= PHY_ID_VSC8502,
 	.name		= "Microsemi GE VSC8502 SyncE",
@@ -2656,6 +2680,7 @@ static struct phy_driver vsc85xx_driver[] = {
 module_phy_driver(vsc85xx_driver);
 
 static struct mdio_device_id __maybe_unused vsc85xx_tbl[] = {
+	{ PHY_ID_VSC8501, 0xfffffff0, },
 	{ PHY_ID_VSC8502, 0xfffffff0, },
 	{ PHY_ID_VSC8504, 0xfffffff0, },
 	{ PHY_ID_VSC8514, 0xfffffff0, },
-- 
2.17.1