From 09a1de04d59870b34b2a8106671c7bdea4ca9a90 Mon Sep 17 00:00:00 2001 From: Srinivas Pandruvada Date: Thu, 18 May 2017 11:23:06 +0300 Subject: [PATCH] i2c: i801: Add support for Intel Cannon Lake Added SMBUS PCI Ids for SMBUS for Cannon Lake PCH. Signed-off-by: Srinivas Pandruvada [jarkko.nikula@linux.intel.com: Add entries to Documentation and Kconfig. Cover Cannon Lake-H too] Signed-off-by: Jarkko Nikula Signed-off-by: Wolfram Sang --- Documentation/i2c/busses/i2c-i801 | 2 ++ drivers/i2c/busses/Kconfig | 2 ++ drivers/i2c/busses/i2c-i801.c | 8 ++++++++ 3 files changed, 12 insertions(+) diff --git a/Documentation/i2c/busses/i2c-i801 b/Documentation/i2c/busses/i2c-i801 index 820d904..0500193 100644 --- a/Documentation/i2c/busses/i2c-i801 +++ b/Documentation/i2c/busses/i2c-i801 @@ -34,6 +34,8 @@ Supported adapters: * Intel Broxton (SOC) * Intel Lewisburg (PCH) * Intel Gemini Lake (SOC) + * Intel Cannon Lake-H (PCH) + * Intel Cannon Lake-LP (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 144cbad..ed7106e 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 6484fa6..c9536e1 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: -- 2.7.4