[PATCH 3.2 56/70] i2c: i801: Add Device IDs for Intel Wellsburg PCH

From: Ben Hutchings
Date: Sun Jan 17 2016 - 22:24:01 EST


3.2.76-rc1 review patch. If anyone has any objections, please let me know.

------------------

From: James Ralston <james.d.ralston@xxxxxxxxx>

commit a3fc0ff00a46c4b32e7214961a5be9a1dc39b60e upstream.

This patch adds the SMBus Device IDs for the Intel Wellsburg PCH

Signed-off-by: James Ralston <james.d.ralston@xxxxxxxxx>
Reviewed-by: Jean Delvare <khali@xxxxxxxxxxxx>
Signed-off-by: Wolfram Sang <wolfram@xxxxxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
Documentation/i2c/busses/i2c-i801 | 1 +
drivers/i2c/busses/Kconfig | 1 +
drivers/i2c/busses/i2c-i801.c | 15 +++++++++++++++
3 files changed, 17 insertions(+)

--- a/Documentation/i2c/busses/i2c-i801
+++ b/Documentation/i2c/busses/i2c-i801
@@ -23,6 +23,7 @@ Supported adapters:
* Intel Lynx Point (PCH)
* Intel Lynx Point-LP (PCH)
* Intel Avoton (SOC)
+ * Intel Wellsburg (PCH)
Datasheets: Publicly available at the Intel website

On Intel Patsburg and later chipsets, both the normal host SMBus controller
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -106,6 +106,7 @@ config I2C_I801
Lynx Point (PCH)
Lynx Point-LP (PCH)
Avoton (SOC)
+ Wellsburg (PCH)

This driver can also be built as a module. If so, the module
will be called i2c-i801.
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -54,6 +54,10 @@
Lynx Point (PCH) 0x8c22 32 hard yes yes yes
Lynx Point-LP (PCH) 0x9c22 32 hard yes yes yes
Avoton (SOC) 0x1f3c 32 hard yes yes yes
+ Wellsburg (PCH) 0x8d22 32 hard yes yes yes
+ Wellsburg (PCH) MS 0x8d7d 32 hard yes yes yes
+ Wellsburg (PCH) MS 0x8d7e 32 hard yes yes yes
+ Wellsburg (PCH) MS 0x8d7f 32 hard yes yes yes

Features supported by this driver:
Software PEC no
@@ -150,6 +154,10 @@
#define PCI_DEVICE_ID_INTEL_DH89XXCC_SMBUS 0x2330
#define PCI_DEVICE_ID_INTEL_5_3400_SERIES_SMBUS 0x3b30
#define PCI_DEVICE_ID_INTEL_LYNXPOINT_SMBUS 0x8c22
+#define PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS 0x8d22
+#define PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS0 0x8d7d
+#define PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS1 0x8d7e
+#define PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS2 0x8d7f
#define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_SMBUS 0x9c22

struct i801_priv {
@@ -642,6 +650,10 @@ static const struct pci_device_id i801_i
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_LYNXPOINT_SMBUS) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_SMBUS) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_AVOTON_SMBUS) },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS) },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS0) },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS1) },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS2) },
{ 0, }
};

@@ -789,6 +801,9 @@ static int __devinit i801_probe(struct p
case PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF0:
case PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF1:
case PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF2:
+ case PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS0:
+ case PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS1:
+ case PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS2:
priv->features |= FEATURE_IDF;
/* fall through */
default: