From 332fdaebb64e6fe6fdd1b0463c88bafec0faa199 Mon Sep 17 00:00:00 2001
From: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Date: Thu, 24 Sep 2020 16:52:17 +0300
Subject: [PATCH] i2c: i801: Add support for Intel Alder Lake PCH-S
Git-commit: 332fdaebb64e6fe6fdd1b0463c88bafec0faa199
Patch-mainline: v5.10-rc1
References: jsc#SLE-13489
[ backport note: adjusted i2c-i801.rst document to the old file -- tiwai ]
Add PCI ID of SMBus controller on Intel Alder Lake PCH-S
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>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
Documentation/i2c/busses/i2c-i801 | 1 +
drivers/i2c/busses/Kconfig | 1 +
drivers/i2c/busses/i2c-i801.c | 4 ++++
3 files changed, 6 insertions(+)
--- a/Documentation/i2c/busses/i2c-i801
+++ b/Documentation/i2c/busses/i2c-i801
@@ -41,6 +41,7 @@ Supported adapters:
* Intel Tiger Lake (PCH)
* Intel Jasper Lake (SOC)
* Intel Emmitsburg (PCH)
+ * Intel Alder Lake (PCH)
Datasheets: Publicly available at the Intel website
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -147,6 +147,7 @@ config I2C_I801
Tiger Lake (PCH)
Jasper Lake (SOC)
Emmitsburg (PCH)
+ Alder Lake (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
@@ -71,6 +71,7 @@
* Tiger Lake-H (PCH) 0x43a3 32 hard yes yes yes
* Jasper Lake (SOC) 0x4da3 32 hard yes yes yes
* Comet Lake-V (PCH) 0xa3a3 32 hard yes yes yes
+ * Alder Lake-S (PCH) 0x7aa3 32 hard yes yes yes
*
* Features supported by this driver:
* Software PEC no
@@ -233,6 +234,7 @@
#define PCI_DEVICE_ID_INTEL_ELKHART_LAKE_SMBUS 0x4b23
#define PCI_DEVICE_ID_INTEL_JASPER_LAKE_SMBUS 0x4da3
#define PCI_DEVICE_ID_INTEL_BROXTON_SMBUS 0x5ad4
+#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_S_SMBUS 0x7aa3
#define PCI_DEVICE_ID_INTEL_LYNXPOINT_SMBUS 0x8c22
#define PCI_DEVICE_ID_INTEL_WILDCATPOINT_SMBUS 0x8ca2
#define PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS 0x8d22
@@ -1086,6 +1088,7 @@ static const struct pci_device_id i801_i
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TIGERLAKE_LP_SMBUS) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TIGERLAKE_H_SMBUS) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_JASPER_LAKE_SMBUS) },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ALDER_LAKE_S_SMBUS) },
{ 0, }
};
@@ -1782,6 +1785,7 @@ static int i801_probe(struct pci_dev *de
case PCI_DEVICE_ID_INTEL_TIGERLAKE_H_SMBUS:
case PCI_DEVICE_ID_INTEL_JASPER_LAKE_SMBUS:
case PCI_DEVICE_ID_INTEL_EBG_SMBUS:
+ case PCI_DEVICE_ID_INTEL_ALDER_LAKE_S_SMBUS:
priv->features |= FEATURE_BLOCK_PROC;
priv->features |= FEATURE_I2C_BLOCK_READ;
priv->features |= FEATURE_IRQ;