summaryrefslogtreecommitdiffstats
path: root/drivers/i2c
diff options
context:
space:
mode:
authorSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>2017-05-18 11:23:06 +0300
committerWolfram Sang <wsa@the-dreams.de>2017-06-19 16:17:41 +0200
commit09a1de04d59870b34b2a8106671c7bdea4ca9a90 (patch)
treeccee19329c031c06ceaa8f0ad4839e317ce35aed /drivers/i2c
parent063345aede9905beb9b73129da7a0e9d5933b078 (diff)
downloadlinux-09a1de04d59870b34b2a8106671c7bdea4ca9a90.tar.bz2
i2c: i801: Add support for Intel Cannon Lake
Added SMBUS PCI Ids for SMBUS for Cannon Lake PCH. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> [jarkko.nikula@linux.intel.com: Add entries to Documentation and Kconfig. Cover Cannon Lake-H too] Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/Kconfig2
-rw-r--r--drivers/i2c/busses/i2c-i801.c8
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 144cbadc7c72..ed7106e48ba4 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -129,6 +129,8 @@ config I2C_I801
Broxton (SOC)
Lewisburg (PCH)
Gemini Lake (SOC)
+ Cannon Lake-H (PCH)
+ Cannon Lake-LP (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 6484fa6dbb84..c9536e17d6ff 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -66,6 +66,8 @@
* Lewisburg Supersku (PCH) 0xa223 32 hard yes yes yes
* Kaby Lake PCH-H (PCH) 0xa2a3 32 hard yes yes yes
* Gemini Lake (SOC) 0x31d4 32 hard yes yes yes
+ * Cannon Lake-H (PCH) 0xa323 32 hard yes yes yes
+ * Cannon Lake-LP (PCH) 0x9da3 32 hard yes yes yes
*
* Features supported by this driver:
* Software PEC no
@@ -226,10 +228,12 @@
#define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_SMBUS 0x9c22
#define PCI_DEVICE_ID_INTEL_WILDCATPOINT_LP_SMBUS 0x9ca2
#define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_SMBUS 0x9d23
+#define PCI_DEVICE_ID_INTEL_CANNONLAKE_LP_SMBUS 0x9da3
#define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_SMBUS 0xa123
#define PCI_DEVICE_ID_INTEL_LEWISBURG_SMBUS 0xa1a3
#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
struct i801_mux_config {
char *gpio_chip;
@@ -1026,6 +1030,8 @@ static const struct pci_device_id i801_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_LEWISBURG_SMBUS) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_LEWISBURG_SSKU_SMBUS) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_KABYLAKE_PCH_H_SMBUS) },
+ { 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) },
{ 0, }
};
@@ -1499,6 +1505,8 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id)
switch (dev->device) {
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_SMBUS:
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_SMBUS:
+ case PCI_DEVICE_ID_INTEL_CANNONLAKE_H_SMBUS:
+ case PCI_DEVICE_ID_INTEL_CANNONLAKE_LP_SMBUS:
case PCI_DEVICE_ID_INTEL_LEWISBURG_SMBUS:
case PCI_DEVICE_ID_INTEL_LEWISBURG_SSKU_SMBUS:
case PCI_DEVICE_ID_INTEL_DNV_SMBUS: