i2c: i801: Add support for Intel Panther Lake

JIRA: https://issues.redhat.com/browse/RHEL-47426

commit bd492b5
Author: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Date:   Mon Sep 23 16:27:19 2024 +0300

    i2c: i801: Add support for Intel Panther Lake

    Add SMBus PCI IDs on Intel Panther Lake-P and -U.

    Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
    Signed-off-by: Andi Shyti <andi.shyti@kernel.org>

Signed-off-by: David Arcari <darcari@redhat.com>

Author: darcari

Documentation/i2c/busses/i2c-i801.rst

@@ -49,6 +49,7 @@ Supported adapters:
   * Intel Meteor Lake (SOC and PCH)
   * Intel Birch Stream (SOC)
   * Intel Arrow Lake (SOC)
+  * Intel Panther Lake (SOC)
 
    Datasheets: Publicly available at the Intel website
 

drivers/i2c/busses/Kconfig

@@ -160,6 +160,7 @@ config I2C_I801
 	    Meteor Lake (SOC and PCH)
 	    Birch Stream (SOC)
 	    Arrow Lake (SOC)
+	    Panther Lake (SOC)
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called i2c-i801.

drivers/i2c/busses/i2c-i801.c

@@ -81,6 +81,8 @@
  * Meteor Lake PCH-S (PCH)	0x7f23	32	hard	yes	yes	yes
  * Birch Stream (SOC)		0x5796	32	hard	yes	yes	yes
  * Arrow Lake-H (SOC)		0x7722	32	hard	yes	yes	yes
+ * Panther Lake-H (SOC)		0xe322	32	hard	yes	yes	yes
+ * Panther Lake-P (SOC)		0xe422	32	hard	yes	yes	yes
  *
  * Features supported by this driver:
  * Software PEC				no
@@ -261,6 +263,8 @@
 #define PCI_DEVICE_ID_INTEL_CANNONLAKE_H_SMBUS		0xa323
 #define PCI_DEVICE_ID_INTEL_COMETLAKE_V_SMBUS		0xa3a3
 #define PCI_DEVICE_ID_INTEL_METEOR_LAKE_SOC_S_SMBUS	0xae22
+#define PCI_DEVICE_ID_INTEL_PANTHER_LAKE_H_SMBUS	0xe322
+#define PCI_DEVICE_ID_INTEL_PANTHER_LAKE_P_SMBUS	0xe422
 
 struct i801_mux_config {
 	char *gpio_chip;
@@ -1056,6 +1060,8 @@ static const struct pci_device_id i801_ids[] = {
 	{ PCI_DEVICE_DATA(INTEL, METEOR_LAKE_PCH_S_SMBUS,	FEATURES_ICH5 | FEATURE_TCO_CNL) },
 	{ PCI_DEVICE_DATA(INTEL, BIRCH_STREAM_SMBUS,		FEATURES_ICH5 | FEATURE_TCO_CNL) },
 	{ PCI_DEVICE_DATA(INTEL, ARROW_LAKE_H_SMBUS,		FEATURES_ICH5 | FEATURE_TCO_CNL) },
+	{ 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) },
 	{ 0, }
 };