i2c: i801: Add support for Intel Alder Lake PCH-S

Add PCI ID of SMBus controller on Intel Alder Lake PCH-S

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>

diff --git a/Documentation/i2c/busses/i2c-i801.rst b/Documentation/i2c/busses/i2c-i801.rst
index faf32330c3354e7cec43775193778bf6591e2a71..42bbdd6e7fd8fba4797890e9b7890abc006c3cfc 100644 (file)
--- a/Documentation/i2c/busses/i2c-i801.rst
+++ b/Documentation/i2c/busses/i2c-i801.rst
@@ -44,6 +44,7 @@ Supported adapters:
   * Intel Tiger Lake (PCH)
   * Intel Jasper Lake (SOC)
   * Intel Emmitsburg (PCH)
+  * Intel Alder Lake (PCH)
 
    Datasheets: Publicly available at the Intel website
 

diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 96685b273f637176af3bdb2f965e230943349f99..a4f473ef4e5c04c87abdb5d0343115a2f098dfc4 100644 (file)
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -147,6 +147,7 @@ config I2C_I801
            Tiger Lake (PCH)
            Jasper Lake (SOC)
            Emmitsburg (PCH)
+           Alder Lake (PCH)
 
          This driver can also be built as a module.  If so, the module
          will be called i2c-i801.

diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index efab1e71ad6a11fa35df86f941af6bdca49d72b4..dbcaf1d0cd371e866e8aaff2abea626adb6e37ad 100644 (file)
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -71,6 +71,7 @@
  * Tiger Lake-H (PCH)          0x43a3  32      hard    yes     yes     yes
  * Jasper Lake (SOC)           0x4da3  32      hard    yes     yes     yes
  * Comet Lake-V (PCH)          0xa3a3  32      hard    yes     yes     yes
+ * Alder Lake-S (PCH)          0x7aa3  32      hard    yes     yes     yes
  *
  * Features supported by this driver:
  * Software PEC                                no
@@ -228,6 +229,7 @@
 #define PCI_DEVICE_ID_INTEL_ELKHART_LAKE_SMBUS         0x4b23
 #define PCI_DEVICE_ID_INTEL_JASPER_LAKE_SMBUS          0x4da3
 #define PCI_DEVICE_ID_INTEL_BROXTON_SMBUS              0x5ad4
+#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_S_SMBUS         0x7aa3
 #define PCI_DEVICE_ID_INTEL_LYNXPOINT_SMBUS            0x8c22
 #define PCI_DEVICE_ID_INTEL_WILDCATPOINT_SMBUS         0x8ca2
 #define PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS            0x8d22
@@ -1081,6 +1083,7 @@ static const struct pci_device_id i801_ids[] = {
        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TIGERLAKE_LP_SMBUS) },
        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TIGERLAKE_H_SMBUS) },
        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_JASPER_LAKE_SMBUS) },
+       { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ALDER_LAKE_S_SMBUS) },
        { 0, }
 };
 
@@ -1758,6 +1761,7 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id)
        case PCI_DEVICE_ID_INTEL_TIGERLAKE_H_SMBUS:
        case PCI_DEVICE_ID_INTEL_JASPER_LAKE_SMBUS:
        case PCI_DEVICE_ID_INTEL_EBG_SMBUS:
+       case PCI_DEVICE_ID_INTEL_ALDER_LAKE_S_SMBUS:
                priv->features |= FEATURE_BLOCK_PROC;
                priv->features |= FEATURE_I2C_BLOCK_READ;
                priv->features |= FEATURE_IRQ;