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[net-next,v3,3/7] net: phy: microchip_t1s: add support for Microchip's LAN865X Rev.B1

Message ID 20241001123734.1667581-4-parthiban.veerasooran@microchip.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series microchip_t1s: Update on Microchip 10BASE-T1S PHY driver | expand

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netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 9 this patch: 9
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 7 of 7 maintainers
netdev/build_clang success Errors and warnings before: 10 this patch: 10
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn fail Errors and warnings before: 12 this patch: 12
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 188 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Parthiban Veerasooran Oct. 1, 2024, 12:37 p.m. UTC 
Add support for LAN8650/1 Rev.B1. As per the latest configuration note
AN1760 released (Revision F (DS60001760G - June 2024)) for Rev.B0 is also
applicable for Rev.B1. Refer hardware revisions list in the latest AN1760
Revision F (DS60001760G - June 2024).
https://www.microchip.com/en-us/application-notes/an1760

Signed-off-by: Parthiban Veerasooran <parthiban.veerasooran@microchip.com>
---
 drivers/net/phy/Kconfig         |  4 +--
 drivers/net/phy/microchip_t1s.c | 62 ++++++++++++++++-----------------
 2 files changed, 33 insertions(+), 33 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index 01b235b3bb7e..f18defab70cf 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 and LAN8650/1 Rev.B0 Internal
-	  PHYs.
+	  Currently supports the LAN8670/1/2 Rev.B1 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 37eb89da08d6..3dd09684692d 100644
--- a/drivers/net/phy/microchip_t1s.c
+++ b/drivers/net/phy/microchip_t1s.c
@@ -4,7 +4,7 @@ 
  *
  * Support: Microchip Phys:
  *  lan8670/1/2 Rev.B1
- *  lan8650/1 Rev.B0 Internal PHYs
+ *  lan8650/1 Rev.B0/B1 Internal PHYs
  */
 
 #include <linux/kernel.h>
@@ -12,7 +12,8 @@ 
 #include <linux/phy.h>
 
 #define PHY_ID_LAN867X_REVB1 0x0007C162
-#define PHY_ID_LAN865X_REVB0 0x0007C1B3
+/* Both Rev.B0 and B1 clause 22 PHYID's are same due to B1 chip limitation */
+#define PHY_ID_LAN865X_REVB 0x0007C1B3
 
 #define LAN867X_REG_STS2 0x0019
 
@@ -59,12 +60,12 @@  static const u16 lan867x_revb1_fixup_masks[12] = {
 	0x0600, 0x7F00, 0x2000, 0xFFFF,
 };
 
-/* LAN865x Rev.B0 configuration parameters from AN1760
+/* LAN865x Rev.B0/B1 configuration parameters from AN1760
  * As per the Configuration Application Note AN1760 published in the below link,
  * https://www.microchip.com/en-us/application-notes/an1760
  * Revision F (DS60001760G - June 2024)
  */
-static const u32 lan865x_revb0_fixup_registers[17] = {
+static const u32 lan865x_revb_fixup_registers[17] = {
 	0x00D0, 0x00E0, 0x00E9, 0x00F5,
 	0x00F4, 0x00F8, 0x00F9, 0x0081,
 	0x0091, 0x0043, 0x0044, 0x0045,
@@ -72,7 +73,7 @@  static const u32 lan865x_revb0_fixup_registers[17] = {
 	0x0050,
 };
 
-static const u16 lan865x_revb0_fixup_values[17] = {
+static const u16 lan865x_revb_fixup_values[17] = {
 	0x3F31, 0xC000, 0x9E50, 0x1CF8,
 	0xC020, 0xB900, 0x4E53, 0x0080,
 	0x9660, 0x00FF, 0xFFFF, 0x0000,
@@ -80,23 +81,23 @@  static const u16 lan865x_revb0_fixup_values[17] = {
 	0x0002,
 };
 
-static const u16 lan865x_revb0_fixup_cfg_regs[2] = {
+static const u16 lan865x_revb_fixup_cfg_regs[2] = {
 	0x0084, 0x008A,
 };
 
-static const u32 lan865x_revb0_sqi_fixup_regs[12] = {
+static const u32 lan865x_revb_sqi_fixup_regs[12] = {
 	0x00B0, 0x00B1, 0x00B2, 0x00B3,
 	0x00B4, 0x00B5, 0x00B6, 0x00B7,
 	0x00B8, 0x00B9, 0x00BA, 0x00BB,
 };
 
-static const u16 lan865x_revb0_sqi_fixup_values[12] = {
+static const u16 lan865x_revb_sqi_fixup_values[12] = {
 	0x0103, 0x0910, 0x1D26, 0x002A,
 	0x0103, 0x070D, 0x1720, 0x0027,
 	0x0509, 0x0E13, 0x1C25, 0x002B,
 };
 
-static const u16 lan865x_revb0_sqi_fixup_cfg_regs[3] = {
+static const u16 lan865x_revb_sqi_fixup_cfg_regs[3] = {
 	0x00AD, 0x00AE, 0x00AF,
 };
 
@@ -108,7 +109,7 @@  static const u16 lan865x_revb0_sqi_fixup_cfg_regs[3] = {
  *
  * 0x4 refers to memory map selector 4, which maps to MDIO_MMD_VEND2
  */
-static int lan865x_revb0_indirect_read(struct phy_device *phydev, u16 addr)
+static int lan865x_revb_indirect_read(struct phy_device *phydev, u16 addr)
 {
 	int ret;
 
@@ -134,7 +135,7 @@  static int lan865x_generate_cfg_offsets(struct phy_device *phydev, s8 offsets[])
 	int ret;
 
 	for (int i = 0; i < ARRAY_SIZE(fixup_regs); i++) {
-		ret = lan865x_revb0_indirect_read(phydev, fixup_regs[i]);
+		ret = lan865x_revb_indirect_read(phydev, fixup_regs[i]);
 		if (ret < 0)
 			return ret;
 
@@ -183,11 +184,11 @@  static int lan865x_write_cfg_params(struct phy_device *phydev,
 
 static int lan865x_setup_cfgparam(struct phy_device *phydev, s8 offsets[])
 {
-	u16 cfg_results[ARRAY_SIZE(lan865x_revb0_fixup_cfg_regs)];
-	u16 cfg_params[ARRAY_SIZE(lan865x_revb0_fixup_cfg_regs)];
+	u16 cfg_results[ARRAY_SIZE(lan865x_revb_fixup_cfg_regs)];
+	u16 cfg_params[ARRAY_SIZE(lan865x_revb_fixup_cfg_regs)];
 	int ret;
 
-	ret = lan865x_read_cfg_params(phydev, lan865x_revb0_fixup_cfg_regs,
+	ret = lan865x_read_cfg_params(phydev, lan865x_revb_fixup_cfg_regs,
 				      cfg_params, ARRAY_SIZE(cfg_params));
 	if (ret)
 		return ret;
@@ -197,17 +198,17 @@  static int lan865x_setup_cfgparam(struct phy_device *phydev, s8 offsets[])
 			 0x03;
 	cfg_results[1] = FIELD_PREP(GENMASK(15, 10), (40 + offsets[1]) & 0x3F);
 
-	return lan865x_write_cfg_params(phydev, lan865x_revb0_fixup_cfg_regs,
+	return lan865x_write_cfg_params(phydev, lan865x_revb_fixup_cfg_regs,
 					cfg_results, ARRAY_SIZE(cfg_results));
 }
 
 static int lan865x_setup_sqi_cfgparam(struct phy_device *phydev, s8 offsets[])
 {
-	u16 cfg_results[ARRAY_SIZE(lan865x_revb0_sqi_fixup_cfg_regs)];
-	u16 cfg_params[ARRAY_SIZE(lan865x_revb0_sqi_fixup_cfg_regs)];
+	u16 cfg_results[ARRAY_SIZE(lan865x_revb_sqi_fixup_cfg_regs)];
+	u16 cfg_params[ARRAY_SIZE(lan865x_revb_sqi_fixup_cfg_regs)];
 	int ret;
 
-	ret = lan865x_read_cfg_params(phydev, lan865x_revb0_sqi_fixup_cfg_regs,
+	ret = lan865x_read_cfg_params(phydev, lan865x_revb_sqi_fixup_cfg_regs,
 				      cfg_params, ARRAY_SIZE(cfg_params));
 	if (ret)
 		return ret;
@@ -219,12 +220,11 @@  static int lan865x_setup_sqi_cfgparam(struct phy_device *phydev, s8 offsets[])
 	cfg_results[2] = FIELD_PREP(GENMASK(15, 8), (17 + offsets[0]) & 0x3F) |
 			 ((22 + offsets[0]) & 0x3F);
 
-	return lan865x_write_cfg_params(phydev,
-					lan865x_revb0_sqi_fixup_cfg_regs,
+	return lan865x_write_cfg_params(phydev, lan865x_revb_sqi_fixup_cfg_regs,
 					cfg_results, ARRAY_SIZE(cfg_results));
 }
 
-static int lan865x_revb0_config_init(struct phy_device *phydev)
+static int lan865x_revb_config_init(struct phy_device *phydev)
 {
 	s8 offsets[2];
 	int ret;
@@ -236,10 +236,10 @@  static int lan865x_revb0_config_init(struct phy_device *phydev)
 	if (ret)
 		return ret;
 
-	for (int i = 0; i < ARRAY_SIZE(lan865x_revb0_fixup_registers); i++) {
+	for (int i = 0; i < ARRAY_SIZE(lan865x_revb_fixup_registers); i++) {
 		ret = phy_write_mmd(phydev, MDIO_MMD_VEND2,
-				    lan865x_revb0_fixup_registers[i],
-				    lan865x_revb0_fixup_values[i]);
+				    lan865x_revb_fixup_registers[i],
+				    lan865x_revb_fixup_values[i]);
 		if (ret)
 			return ret;
 
@@ -254,10 +254,10 @@  static int lan865x_revb0_config_init(struct phy_device *phydev)
 	if (ret)
 		return ret;
 
-	for (int i = 0; i < ARRAY_SIZE(lan865x_revb0_sqi_fixup_regs); i++) {
+	for (int i = 0; i < ARRAY_SIZE(lan865x_revb_sqi_fixup_regs); i++) {
 		ret = phy_write_mmd(phydev, MDIO_MMD_VEND2,
-				    lan865x_revb0_sqi_fixup_regs[i],
-				    lan865x_revb0_sqi_fixup_values[i]);
+				    lan865x_revb_sqi_fixup_regs[i],
+				    lan865x_revb_sqi_fixup_values[i]);
 		if (ret)
 			return ret;
 	}
@@ -360,10 +360,10 @@  static struct phy_driver microchip_t1s_driver[] = {
 		.get_plca_status    = genphy_c45_plca_get_status,
 	},
 	{
-		PHY_ID_MATCH_EXACT(PHY_ID_LAN865X_REVB0),
-		.name               = "LAN865X Rev.B0 Internal Phy",
+		PHY_ID_MATCH_EXACT(PHY_ID_LAN865X_REVB),
+		.name               = "LAN865X Rev.B0/B1 Internal Phy",
 		.features           = PHY_BASIC_T1S_P2MP_FEATURES,
-		.config_init        = lan865x_revb0_config_init,
+		.config_init        = lan865x_revb_config_init,
 		.read_status        = lan86xx_read_status,
 		.read_mmd           = lan865x_phy_read_mmd,
 		.write_mmd          = lan865x_phy_write_mmd,
@@ -377,7 +377,7 @@  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_LAN865X_REVB0) },
+	{ PHY_ID_MATCH_EXACT(PHY_ID_LAN865X_REVB) },
 	{ }
 };