lkml.org 
[lkml]   [2019]   [Apr]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH AUTOSEL 5.0 35/98] i2c: i801: Add support for Intel Comet Lake
Date
From: Jarkko Nikula <jarkko.nikula@linux.intel.com>

[ Upstream commit 5cd1c56c42beb6d228cc8d4373fdc5f5ec78a5ad ]

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>
Signed-off-by: Sasha Levin (Microsoft) <sashal@kernel.org>
---
Documentation/i2c/busses/i2c-i801 | 1 +
drivers/i2c/busses/Kconfig | 1 +
drivers/i2c/busses/i2c-i801.c | 4 ++++
3 files changed, 6 insertions(+)

diff --git a/Documentation/i2c/busses/i2c-i801 b/Documentation/i2c/busses/i2c-i801
index d1ee484a787d..ee9984f35868 100644
--- 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 f2c681971201..f8979abb9a19 100644
--- 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 c91e145ef5a5..679c6c41f64b 100644
--- 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;
--
2.19.1
\
 
 \ /
  Last update: 2019-04-22 22:10    [W:0.503 / U:1.108 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site