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Message-ID: <20240902143458.601578-7-Parthiban.Veerasooran@microchip.com>
Date: Mon, 2 Sep 2024 20:04:57 +0530
From: Parthiban Veerasooran <Parthiban.Veerasooran@...rochip.com>
To: <andrew@...n.ch>, <hkallweit1@...il.com>, <linux@...linux.org.uk>,
	<davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
	<pabeni@...hat.com>, <ramon.nordin.rodriguez@...roamp.se>
CC: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<parthiban.veerasooran@...rochip.com>, <UNGLinuxDriver@...rochip.com>,
	<Thorsten.Kummermehr@...rochip.com>, Parthiban Veerasooran
	<Parthiban.Veerasooran@...rochip.com>
Subject: [PATCH net-next v2 6/7] net: phy: microchip_t1s: add support for Microchip's LAN867X Rev.C2

This patch adds support for LAN8670/1/2 Rev.C2 as per the latest
configuration note AN1699 released (Revision E (DS60001699F - June 2024))
for Rev.C1 is also applicable for Rev.C2. Refer hardware revisions list
in the latest AN1699 Revision E (DS60001699F - June 2024).
https://www.microchip.com/en-us/application-notes/an1699

Signed-off-by: Parthiban Veerasooran <Parthiban.Veerasooran@...rochip.com>
---
 drivers/net/phy/Kconfig         |  4 ++--
 drivers/net/phy/microchip_t1s.c | 22 +++++++++++++++++-----
 2 files changed, 19 insertions(+), 7 deletions(-)

diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index 04f605606a8a..ee3ea0b56d48 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -292,8 +292,8 @@ config MICREL_PHY
 config MICROCHIP_T1S_PHY
 	tristate "Microchip 10BASE-T1S Ethernet PHYs"
 	help
-	  Currently supports the LAN8670/1/2 Rev.B1/C1 and LAN8650/1 Rev.B0/B1
-	  Internal PHYs.
+	  Currently supports the LAN8670/1/2 Rev.B1/C1/C2 and
+	  LAN8650/1 Rev.B0/B1 Internal PHYs.
 
 config MICROCHIP_PHY
 	tristate "Microchip PHYs"
diff --git a/drivers/net/phy/microchip_t1s.c b/drivers/net/phy/microchip_t1s.c
index 62f5ce548c6a..bd0c768df0af 100644
--- a/drivers/net/phy/microchip_t1s.c
+++ b/drivers/net/phy/microchip_t1s.c
@@ -3,7 +3,7 @@
  * Driver for Microchip 10BASE-T1S PHYs
  *
  * Support: Microchip Phys:
- *  lan8670/1/2 Rev.B1/C1
+ *  lan8670/1/2 Rev.B1/C1/C2
  *  lan8650/1 Rev.B0/B1 Internal PHYs
  */
 
@@ -13,6 +13,7 @@
 
 #define PHY_ID_LAN867X_REVB1 0x0007C162
 #define PHY_ID_LAN867X_REVC1 0x0007C164
+#define PHY_ID_LAN867X_REVC2 0x0007C165
 /* Both Rev.B0 and B1 clause 22 PHYID's are same due to B1 chip limitation */
 #define PHY_ID_LAN865X_REVB 0x0007C1B3
 
@@ -291,7 +292,7 @@ static int lan867x_check_reset_complete(struct phy_device *phydev)
 	return 0;
 }
 
-static int lan867x_revc1_config_init(struct phy_device *phydev)
+static int lan867x_revc_config_init(struct phy_device *phydev)
 {
 	s8 offsets[2];
 	int ret;
@@ -304,10 +305,10 @@ static int lan867x_revc1_config_init(struct phy_device *phydev)
 	if (ret)
 		return ret;
 
-	/* LAN867x Rev.C1 configuration settings are equal to the first 9
+	/* LAN867x Rev.C1/C2 configuration settings are equal to the first 9
 	 * configuration settings and all the sqi fixup settings from LAN865x
 	 * Rev.B0/B1. So the same fixup registers and values from LAN865x
-	 * Rev.B0/B1 are used for LAN867x Rev.C1 to avoid duplication.
+	 * Rev.B0/B1 are used for LAN867x Rev.C1/C2 to avoid duplication.
 	 * Refer the below links for the comparision.
 	 * https://www.microchip.com/en-us/application-notes/an1760
 	 * Revision F (DS60001760G - June 2024)
@@ -399,7 +400,17 @@ static struct phy_driver microchip_t1s_driver[] = {
 		PHY_ID_MATCH_EXACT(PHY_ID_LAN867X_REVC1),
 		.name               = "LAN867X Rev.C1",
 		.features           = PHY_BASIC_T1S_P2MP_FEATURES,
-		.config_init        = lan867x_revc1_config_init,
+		.config_init        = lan867x_revc_config_init,
+		.read_status        = lan86xx_read_status,
+		.get_plca_cfg	    = genphy_c45_plca_get_cfg,
+		.set_plca_cfg	    = genphy_c45_plca_set_cfg,
+		.get_plca_status    = genphy_c45_plca_get_status,
+	},
+	{
+		PHY_ID_MATCH_EXACT(PHY_ID_LAN867X_REVC2),
+		.name               = "LAN867X Rev.C2",
+		.features           = PHY_BASIC_T1S_P2MP_FEATURES,
+		.config_init        = lan867x_revc_config_init,
 		.read_status        = lan86xx_read_status,
 		.get_plca_cfg	    = genphy_c45_plca_get_cfg,
 		.set_plca_cfg	    = genphy_c45_plca_set_cfg,
@@ -422,6 +433,7 @@ module_phy_driver(microchip_t1s_driver);
 static struct mdio_device_id __maybe_unused tbl[] = {
 	{ PHY_ID_MATCH_EXACT(PHY_ID_LAN867X_REVB1) },
 	{ PHY_ID_MATCH_EXACT(PHY_ID_LAN867X_REVC1) },
+	{ PHY_ID_MATCH_EXACT(PHY_ID_LAN867X_REVC2) },
 	{ PHY_ID_MATCH_EXACT(PHY_ID_LAN865X_REVB) },
 	{ }
 };
-- 
2.34.1


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