i2c: i801: Add support for Intel Comet Lake

Add PCI ID for Intel Comet Lake PCH.

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

diff --git a/Documentation/i2c/busses/i2c-i801 b/Documentation/i2c/busses/i2c-i801
index d1ee484a787d1b476cf13bcf7d7b53ac084fb63e..ee9984f3586897c870bd42b854f5d883b245621e 100644 (file)
--- 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 f2c6819712013046246002346af928bd1ab16bc0..f8979abb9a19ca963bf9625fc911ab74590b388a 100644 (file)
--- 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 c91e145ef5a56dbb1a512c23611f06ad7d22aa05..679c6c41f64b49babf8b0a7505d56a2c4093f6c7 100644 (file)
--- 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;