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net: phy: microchip_t1s: add support for Microchip's LAN867X Rev.C2
Add 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@microchip.com> Link: https://patch.msgid.link/20241010082205.221493-7-parthiban.veerasooran@microchip.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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@ -292,8 +292,8 @@ config MICREL_PHY
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config MICROCHIP_T1S_PHY
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tristate "Microchip 10BASE-T1S Ethernet PHYs"
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help
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Currently supports the LAN8670/1/2 Rev.B1/C1 and LAN8650/1 Rev.B0/B1
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Internal PHYs.
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Currently supports the LAN8670/1/2 Rev.B1/C1/C2 and
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LAN8650/1 Rev.B0/B1 Internal PHYs.
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config MICROCHIP_PHY
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tristate "Microchip PHYs"
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@ -3,7 +3,7 @@
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* Driver for Microchip 10BASE-T1S PHYs
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*
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* Support: Microchip Phys:
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* lan8670/1/2 Rev.B1/C1
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* lan8670/1/2 Rev.B1/C1/C2
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* lan8650/1 Rev.B0/B1 Internal PHYs
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*/
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@ -13,6 +13,7 @@
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#define PHY_ID_LAN867X_REVB1 0x0007C162
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#define PHY_ID_LAN867X_REVC1 0x0007C164
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#define PHY_ID_LAN867X_REVC2 0x0007C165
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/* Both Rev.B0 and B1 clause 22 PHYID's are same due to B1 chip limitation */
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#define PHY_ID_LAN865X_REVB 0x0007C1B3
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@ -292,7 +293,7 @@ static int lan867x_check_reset_complete(struct phy_device *phydev)
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return 0;
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}
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static int lan867x_revc1_config_init(struct phy_device *phydev)
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static int lan867x_revc_config_init(struct phy_device *phydev)
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{
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s8 offsets[2];
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int ret;
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@ -305,10 +306,10 @@ static int lan867x_revc1_config_init(struct phy_device *phydev)
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if (ret)
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return ret;
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/* LAN867x Rev.C1 configuration settings are equal to the first 9
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/* LAN867x Rev.C1/C2 configuration settings are equal to the first 9
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* configuration settings and all the sqi fixup settings from LAN865x
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* Rev.B0/B1. So the same fixup registers and values from LAN865x
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* Rev.B0/B1 are used for LAN867x Rev.C1 to avoid duplication.
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* Rev.B0/B1 are used for LAN867x Rev.C1/C2 to avoid duplication.
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* Refer the below links for the comparison.
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* https://www.microchip.com/en-us/application-notes/an1760
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* Revision F (DS60001760G - June 2024)
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@ -428,7 +429,17 @@ static struct phy_driver microchip_t1s_driver[] = {
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PHY_ID_MATCH_EXACT(PHY_ID_LAN867X_REVC1),
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.name = "LAN867X Rev.C1",
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.features = PHY_BASIC_T1S_P2MP_FEATURES,
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.config_init = lan867x_revc1_config_init,
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.config_init = lan867x_revc_config_init,
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.read_status = lan86xx_read_status,
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.get_plca_cfg = genphy_c45_plca_get_cfg,
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.set_plca_cfg = genphy_c45_plca_set_cfg,
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.get_plca_status = genphy_c45_plca_get_status,
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},
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{
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PHY_ID_MATCH_EXACT(PHY_ID_LAN867X_REVC2),
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.name = "LAN867X Rev.C2",
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.features = PHY_BASIC_T1S_P2MP_FEATURES,
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.config_init = lan867x_revc_config_init,
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.read_status = lan86xx_read_status,
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.get_plca_cfg = genphy_c45_plca_get_cfg,
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.set_plca_cfg = genphy_c45_plca_set_cfg,
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@ -453,6 +464,7 @@ module_phy_driver(microchip_t1s_driver);
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static struct mdio_device_id __maybe_unused tbl[] = {
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{ PHY_ID_MATCH_EXACT(PHY_ID_LAN867X_REVB1) },
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{ PHY_ID_MATCH_EXACT(PHY_ID_LAN867X_REVC1) },
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{ PHY_ID_MATCH_EXACT(PHY_ID_LAN867X_REVC2) },
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{ PHY_ID_MATCH_EXACT(PHY_ID_LAN865X_REVB) },
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{ }
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};
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