8 files changed, 6 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/i2c/i2c-xscale.txt b/Documentation/devicetree/bindings/i2c/i2c-iop3xx.txt
index dcc8390e0d24..dcc8390e0d24 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-xscale.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-iop3xx.txt
diff --git a/Documentation/devicetree/bindings/i2c/i2c-mtk.txt b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.txt
index ee4c32454198..ee4c32454198 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-mtk.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.txt
diff --git a/Documentation/devicetree/bindings/i2c/i2c-st-ddci2c.txt b/Documentation/devicetree/bindings/i2c/i2c-stu300.txt
index bd81a482634f..bd81a482634f 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-st-ddci2c.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-stu300.txt
diff --git a/Documentation/devicetree/bindings/i2c/i2c-sunxi-p2wi.txt b/Documentation/devicetree/bindings/i2c/i2c-sun6i-p2wi.txt
index 49df0053347a..49df0053347a 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-sunxi-p2wi.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-sun6i-p2wi.txt
diff --git a/Documentation/devicetree/bindings/i2c/i2c-vt8500.txt b/Documentation/devicetree/bindings/i2c/i2c-wmt.txt
index 94a425eaa6c7..94a425eaa6c7 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-vt8500.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-wmt.txt
diff --git a/Documentation/i2c/busses/i2c-i801 b/Documentation/i2c/busses/i2c-i801
index d1ee484a787d..ee9984f35868 100644
--- a/Documentation/i2c/busses/i2c-i801
+++ b/Documentation/i2c/busses/i2c-i801
@@ -36,6 +36,7 @@ Supported adapters:
   * Intel Cannon Lake (PCH)
   * Intel Cedar Fork (PCH)
   * Intel Ice Lake (PCH)
+  * Intel Comet Lake (PCH)
    Datasheets: Publicly available at the Intel website
 
 On Intel Patsburg and later chipsets, both the normal host SMBus controller
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index f2c681971201..f8979abb9a19 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -131,6 +131,7 @@ config I2C_I801
             Cannon Lake (PCH)
             Cedar Fork (PCH)
             Ice Lake (PCH)
+            Comet 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 c91e145ef5a5..679c6c41f64b 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -71,6 +71,7 @@
  * Cannon Lake-LP (PCH)         0x9da3  32      hard    yes     yes     yes
  * Cedar Fork (PCH)             0x18df  32      hard    yes     yes     yes
  * Ice Lake-LP (PCH)            0x34a3  32      hard    yes     yes     yes
+ * Comet Lake (PCH)             0x02a3  32      hard    yes     yes     yes
  *
  * Features supported by this driver:
  * Software PEC                         no
@@ -240,6 +241,7 @@
 #define PCI_DEVICE_ID_INTEL_LEWISBURG_SSKU_SMBUS        0xa223
 #define PCI_DEVICE_ID_INTEL_KABYLAKE_PCH_H_SMBUS        0xa2a3
 #define PCI_DEVICE_ID_INTEL_CANNONLAKE_H_SMBUS          0xa323
+#define PCI_DEVICE_ID_INTEL_COMETLAKE_SMBUS             0x02a3
 
 struct i801_mux_config {
         char *gpio_chip;
@@ -1038,6 +1040,7 @@ static const struct pci_device_id i801_ids[] = {
         { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CANNONLAKE_H_SMBUS) },
         { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CANNONLAKE_LP_SMBUS) },
         { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICELAKE_LP_SMBUS) },
+        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_COMETLAKE_SMBUS) },
         { 0, }
 };
 
@@ -1534,6 +1537,7 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id)
         case PCI_DEVICE_ID_INTEL_DNV_SMBUS:
         case PCI_DEVICE_ID_INTEL_KABYLAKE_PCH_H_SMBUS:
         case PCI_DEVICE_ID_INTEL_ICELAKE_LP_SMBUS:
+        case PCI_DEVICE_ID_INTEL_COMETLAKE_SMBUS:
                 priv->features |= FEATURE_I2C_BLOCK_READ;
                 priv->features |= FEATURE_IRQ;
                 priv->features |= FEATURE_SMBUS_PEC;