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>
This commit is contained in:
Parthiban Veerasooran 2024-10-10 13:52:04 +05:30 committed by Jakub Kicinski
parent 662d9c5fe1
commit 6b079d8f7b
2 changed files with 19 additions and 7 deletions

View File

@ -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"

View File

@ -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
@ -292,7 +293,7 @@ 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;
@ -305,10 +306,10 @@ 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 comparison.
* https://www.microchip.com/en-us/application-notes/an1760
* Revision F (DS60001760G - June 2024)
@ -428,7 +429,17 @@ 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,
@ -453,6 +464,7 @@ 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) },
{ }
};