linux-kernel - [PATCH net-next 2/2] net: phy: microchip_t1s: add SQI support for LAN867x Rev.D0 PHYs

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Message-ID: <20251113115206.140339-3-parthiban.veerasooran@microchip.com>
Date: Thu, 13 Nov 2025 17:22:06 +0530
From: Parthiban Veerasooran <parthiban.veerasooran@...rochip.com>
To: <Parthiban.Veerasooran@...rochip.com>, <piergiorgio.beruto@...il.com>,
	<andrew@...n.ch>, <hkallweit1@...il.com>, <linux@...linux.org.uk>,
	<davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
	<pabeni@...hat.com>
CC: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>, "Parthiban
 Veerasooran" <parthiban.veerasooran@...rochip.com>
Subject: [PATCH net-next 2/2] net: phy: microchip_t1s: add SQI support for LAN867x Rev.D0 PHYs

Add support for Signal Quality Index (SQI) reporting in the
Microchip T1S PHY driver for LAN867x Rev.D0 (OATC14-compliant) PHYs.

This patch registers the following callbacks in the microchip_t1s driver
structure:

- .get_sqi      - returns the current SQI value
- .get_sqi_max  - returns the maximum SQI value

This allows network drivers and diagnostic tools to query link
signal quality, improving monitoring and troubleshooting
capabilities. Existing PHY functionality remains unchanged.

Signed-off-by: Parthiban Veerasooran <parthiban.veerasooran@...rochip.com>
---
 drivers/net/phy/microchip_t1s.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/phy/microchip_t1s.c b/drivers/net/phy/microchip_t1s.c
index 5a0a66778977..e601d56b2507 100644
--- a/drivers/net/phy/microchip_t1s.c
+++ b/drivers/net/phy/microchip_t1s.c
@@ -575,6 +575,8 @@ static struct phy_driver microchip_t1s_driver[] = {
 		.get_plca_status    = genphy_c45_plca_get_status,
 		.cable_test_start   = genphy_c45_oatc14_cable_test_start,
 		.cable_test_get_status = genphy_c45_oatc14_cable_test_get_status,
+		.get_sqi            = genphy_c45_oatc14_get_sqi,
+		.get_sqi_max        = genphy_c45_oatc14_get_sqi_max,
 	},
 	{
 		PHY_ID_MATCH_EXACT(PHY_ID_LAN865X_REVB),
-- 
2.34.1