i2c: i801: Add support for Intel Nova Lake-S

Add SMBus PCI IDs on Intel Nova Lake-S.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20251124132816.470599-1-heikki.krogerus@linux.intel.com

Author: jhnikula

Documentation/i2c/busses/i2c-i801.rst

@@ -52,6 +52,7 @@ Supported adapters:
   * Intel Panther Lake (SOC)
   * Intel Wildcat Lake (SOC)
   * Intel Diamond Rapids (SOC)
+  * Intel Nova Lake (PCH)
 
    Datasheets: Publicly available at the Intel website
 

drivers/i2c/busses/Kconfig

@@ -167,6 +167,7 @@ config I2C_I801
 	    Panther Lake (SOC)
 	    Wildcat Lake (SOC)
 	    Diamond Rapids (SOC)
+	    Nova Lake (PCH)
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called i2c-i801.

drivers/i2c/busses/i2c-i801.c

@@ -85,6 +85,7 @@
  * Panther Lake-P (SOC)		0xe422	32	hard	yes	yes	yes
  * Wildcat Lake-U (SOC)		0x4d22	32	hard	yes	yes	yes
  * Diamond Rapids (SOC)		0x5827	32	hard	yes	yes	yes
+ * Nova Lake-S (PCH)		0x6e23	32	hard	yes	yes	yes
  *
  * Features supported by this driver:
  * Software PEC				no
@@ -245,6 +246,7 @@
 #define PCI_DEVICE_ID_INTEL_BIRCH_STREAM_SMBUS		0x5796
 #define PCI_DEVICE_ID_INTEL_DIAMOND_RAPIDS_SMBUS	0x5827
 #define PCI_DEVICE_ID_INTEL_BROXTON_SMBUS		0x5ad4
+#define PCI_DEVICE_ID_INTEL_NOVA_LAKE_S_SMBUS		0x6e23
 #define PCI_DEVICE_ID_INTEL_ARROW_LAKE_H_SMBUS		0x7722
 #define PCI_DEVICE_ID_INTEL_RAPTOR_LAKE_S_SMBUS		0x7a23
 #define PCI_DEVICE_ID_INTEL_ALDER_LAKE_S_SMBUS		0x7aa3
@@ -1061,6 +1063,7 @@ static const struct pci_device_id i801_ids[] = {
 	{ PCI_DEVICE_DATA(INTEL, PANTHER_LAKE_H_SMBUS,		FEATURES_ICH5 | FEATURE_TCO_CNL) },
 	{ PCI_DEVICE_DATA(INTEL, PANTHER_LAKE_P_SMBUS,		FEATURES_ICH5 | FEATURE_TCO_CNL) },
 	{ PCI_DEVICE_DATA(INTEL, WILDCAT_LAKE_U_SMBUS,		FEATURES_ICH5 | FEATURE_TCO_CNL) },
+	{ PCI_DEVICE_DATA(INTEL, NOVA_LAKE_S_SMBUS,		FEATURES_ICH5 | FEATURE_TCO_CNL) },
 	{ 0, }
 };