i2c: i801: Add support for Intel DNV

commit 84d7f2eb upstream.

Intel DNV SoC has the same legacy SMBus host controller than Intel
Sunrisepoint PCH. It also has same iTCO watchdog on the bus.

Add DNV PCI ID to the list of supported devices.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
[bwh: Backported to 3.2: no FEATURE_IRQ or FEATURE_TCO here]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

drivers/i2c/busses/i2c-i801.c

@@ -64,6 +64,7 @@
  * BayTrail (SOC)		0x0f12	32	hard	yes	yes	yes
  * Sunrise Point-H (PCH) 	0xa123  32	hard	yes	yes	yes
  * Sunrise Point-LP (PCH)	0x9d23	32	hard	yes	yes	yes
+ * DNV (SOC)			0x19df	32	hard	yes	yes	yes
  *
  * Features supported by this driver:
  * Software PEC				no
@@ -172,6 +173,7 @@
 #define PCI_DEVICE_ID_INTEL_WILDCATPOINT_LP_SMBUS	0x9ca2
 #define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_SMBUS	0xa123
 #define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_SMBUS	0x9d23
+#define PCI_DEVICE_ID_INTEL_DNV_SMBUS			0x19df
 
 struct i801_priv {
 	struct i2c_adapter adapter;
@@ -674,6 +676,7 @@ static const struct pci_device_id i801_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BRASWELL_SMBUS) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_SMBUS) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_SMBUS) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_DNV_SMBUS) },
 	{ 0, }
 };