netdev - [PATCH net-next v2 1/3] ixgbe: Support external GBE SerDes PHY BCM54616s

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Date:   Tue, 13 Apr 2021 19:17:21 -0700
From:   Tony Nguyen <anthony.l.nguyen@...el.com>
To:     davem@...emloft.net, kuba@...nel.org
Cc:     Jostar Yang <jostar_yang@...ton.com>, netdev@...r.kernel.org,
        sassmann@...hat.com, anthony.l.nguyen@...el.com,
        Guohan Lu <lguohan@...il.com>,
        Paul Menzel <pmenzel@...gen.mpg.de>,
        Tony Brelinski <tonyx.brelinski@...el.com>
Subject: [PATCH net-next v2 1/3] ixgbe: Support external GBE SerDes PHY BCM54616s

From: Jostar Yang <jostar_yang@...ton.com>

The Broadcom PHY is used in switches, so add the ID, and hook it up.

This upstreams the Linux kernel patch from the network operating system
SONiC from February 2020 [1].

[1]: https://github.com/Azure/sonic-linux-kernel/pull/122

Signed-off-by: Jostar Yang <jostar_yang@...ton.com>
Signed-off-by: Guohan Lu <lguohan@...il.com>
Signed-off-by: Paul Menzel <pmenzel@...gen.mpg.de>
Tested-by: Tony Brelinski <tonyx.brelinski@...el.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@...el.com>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c  | 3 +++
 drivers/net/ethernet/intel/ixgbe/ixgbe_type.h | 1 +
 2 files changed, 4 insertions(+)

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
index 73bc170d1ae9..24aa97f993ca 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
@@ -380,6 +380,9 @@ static enum ixgbe_phy_type ixgbe_get_phy_type_from_id(u32 phy_id)
 	case X557_PHY_ID2:
 		phy_type = ixgbe_phy_x550em_ext_t;
 		break;
+	case BCM54616S_E_PHY_ID:
+		phy_type = ixgbe_phy_ext_1g_t;
+		break;
 	default:
 		phy_type = ixgbe_phy_unknown;
 		break;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
index 2be1c4c72435..4c317b0dbfd4 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
@@ -1407,6 +1407,7 @@ struct ixgbe_nvm_version {
 #define QT2022_PHY_ID    0x0043A400
 #define ATH_PHY_ID       0x03429050
 #define AQ_FW_REV        0x20
+#define BCM54616S_E_PHY_ID 0x03625D10
 
 /* Special PHY Init Routine */
 #define IXGBE_PHY_INIT_OFFSET_NL 0x002B
-- 
2.26.2