summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorMika Westerberg <mika.westerberg@linux.intel.com>2020-06-18 16:42:39 +0300
committerWolfram Sang <wsa@kernel.org>2020-08-05 11:52:28 +0200
commit12745b071e2b6b43e623e6cce521a1cb3c4c28dc (patch)
tree043717b773d5bd53738553e3b6fb037ff3c32a1b
parentdb4694e66286b691bf67cb2d1280e42d3604ea79 (diff)
i2c: i801: Add support for Intel Emmitsburg PCH
Add support for SMBus controller on Intel Emmitsburg PCH. This is the same IP as used in Cannon Lake and derivatives. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> 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>
-rw-r--r--Documentation/i2c/busses/i2c-i801.rst1
-rw-r--r--drivers/i2c/busses/Kconfig1
-rw-r--r--drivers/i2c/busses/i2c-i801.c4
3 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/i2c/busses/i2c-i801.rst b/Documentation/i2c/busses/i2c-i801.rst
index b83da0e94184..faf32330c335 100644
--- a/Documentation/i2c/busses/i2c-i801.rst
+++ b/Documentation/i2c/busses/i2c-i801.rst
@@ -43,6 +43,7 @@ Supported adapters:
* Intel Elkhart Lake (PCH)
* Intel Tiger Lake (PCH)
* Intel Jasper Lake (SOC)
+ * Intel Emmitsburg (PCH)
Datasheets: Publicly available at the Intel website
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 735bf31a3fdf..085ca9b009ed 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -146,6 +146,7 @@ config I2C_I801
Elkhart Lake (PCH)
Tiger Lake (PCH)
Jasper Lake (SOC)
+ Emmitsburg (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 638e7f7c66cc..63b0c9d054ff 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -54,6 +54,7 @@
* 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
+ * Emmitsburg (PCH) 0x1bc9 32 hard yes yes yes
* Broxton (SOC) 0x5ad4 32 hard yes yes yes
* Lewisburg (PCH) 0xa1a3 32 hard yes yes yes
* Lewisburg Supersku (PCH) 0xa223 32 hard yes yes yes
@@ -207,6 +208,7 @@
#define PCI_DEVICE_ID_INTEL_BAYTRAIL_SMBUS 0x0f12
#define PCI_DEVICE_ID_INTEL_CDF_SMBUS 0x18df
#define PCI_DEVICE_ID_INTEL_DNV_SMBUS 0x19df
+#define PCI_DEVICE_ID_INTEL_EBG_SMBUS 0x1bc9
#define PCI_DEVICE_ID_INTEL_COUGARPOINT_SMBUS 0x1c22
#define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS 0x1d22
/* Patsburg also has three 'Integrated Device Function' SMBus controllers */
@@ -1062,6 +1064,7 @@ static const struct pci_device_id i801_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_SMBUS) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CDF_SMBUS) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_DNV_SMBUS) },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_EBG_SMBUS) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BROXTON_SMBUS) },
{ 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) },
@@ -1749,6 +1752,7 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id)
case PCI_DEVICE_ID_INTEL_ELKHART_LAKE_SMBUS:
case PCI_DEVICE_ID_INTEL_TIGERLAKE_LP_SMBUS:
case PCI_DEVICE_ID_INTEL_JASPER_LAKE_SMBUS:
+ case PCI_DEVICE_ID_INTEL_EBG_SMBUS:
priv->features |= FEATURE_BLOCK_PROC;
priv->features |= FEATURE_I2C_BLOCK_READ;
priv->features |= FEATURE_IRQ;