From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
To: Jean Delvare <jdelvare@suse.com>
Cc: Wolfram Sang <wsa+renesas@sang-engineering.com>,
Andi Shyti <andi.shyti@kernel.org>,
linux-i2c@vger.kernel.org, Zeng Guang <guang.zeng@intel.com>
Subject: [PATCH] i2c: i801: Add support for Intel Diamond Rapids
Date: Tue, 21 Oct 2025 09:35:22 +0200 [thread overview]
Message-ID: <20251021073522.3458383-1-heikki.krogerus@linux.intel.com> (raw)
From: Zeng Guang <guang.zeng@intel.com>
Add SMBus PCI ID on Intel Diamond Rapids.
Signed-off-by: Zeng Guang <guang.zeng@intel.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
---
Documentation/i2c/busses/i2c-i801.rst | 1 +
drivers/i2c/busses/Kconfig | 1 +
drivers/i2c/busses/i2c-i801.c | 2 ++
3 files changed, 4 insertions(+)
diff --git a/Documentation/i2c/busses/i2c-i801.rst b/Documentation/i2c/busses/i2c-i801.rst
index 36c563ad3f06..c939a5bfc8d0 100644
--- a/Documentation/i2c/busses/i2c-i801.rst
+++ b/Documentation/i2c/busses/i2c-i801.rst
@@ -51,6 +51,7 @@ Supported adapters:
* Intel Arrow Lake (SOC)
* Intel Panther Lake (SOC)
* Intel Wildcat Lake (SOC)
+ * Intel Diamond Rapids (SOC)
Datasheets: Publicly available at the Intel website
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index fd81e49638aa..8bf0e07aa75c 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -166,6 +166,7 @@ config I2C_I801
Arrow Lake (SOC)
Panther Lake (SOC)
Wildcat Lake (SOC)
+ Diamond Rapids (SOC)
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 57fbec1259be..91d4d14605aa 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -242,6 +242,7 @@
#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_P_SMBUS 0x51a3
#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_M_SMBUS 0x54a3
#define PCI_DEVICE_ID_INTEL_BIRCH_STREAM_SMBUS 0x5796
+#define PCI_DEVICE_ID_INTEL_DIAMOND_RAPIDS_SMBUS 0x5827
#define PCI_DEVICE_ID_INTEL_BROXTON_SMBUS 0x5ad4
#define PCI_DEVICE_ID_INTEL_ARROW_LAKE_H_SMBUS 0x7722
#define PCI_DEVICE_ID_INTEL_RAPTOR_LAKE_S_SMBUS 0x7a23
@@ -1054,6 +1055,7 @@ static const struct pci_device_id i801_ids[] = {
{ PCI_DEVICE_DATA(INTEL, METEOR_LAKE_SOC_S_SMBUS, FEATURES_ICH5 | FEATURE_TCO_CNL) },
{ PCI_DEVICE_DATA(INTEL, METEOR_LAKE_PCH_S_SMBUS, FEATURES_ICH5 | FEATURE_TCO_CNL) },
{ PCI_DEVICE_DATA(INTEL, BIRCH_STREAM_SMBUS, FEATURES_ICH5) },
+ { PCI_DEVICE_DATA(INTEL, DIAMOND_RAPIDS_SMBUS, FEATURES_ICH5 | FEATURE_TCO_CNL) },
{ PCI_DEVICE_DATA(INTEL, ARROW_LAKE_H_SMBUS, FEATURES_ICH5 | FEATURE_TCO_CNL) },
{ PCI_DEVICE_DATA(INTEL, PANTHER_LAKE_H_SMBUS, FEATURES_ICH5 | FEATURE_TCO_CNL) },
{ PCI_DEVICE_DATA(INTEL, PANTHER_LAKE_P_SMBUS, FEATURES_ICH5 | FEATURE_TCO_CNL) },
--
2.50.1
next reply other threads:[~2025-10-21 7:35 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-21 7:35 Heikki Krogerus [this message]
2025-10-22 8:21 ` [PATCH] i2c: i801: Add support for Intel Diamond Rapids Andi Shyti
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20251021073522.3458383-1-heikki.krogerus@linux.intel.com \
--to=heikki.krogerus@linux.intel.com \
--cc=andi.shyti@kernel.org \
--cc=guang.zeng@intel.com \
--cc=jdelvare@suse.com \
--cc=linux-i2c@vger.kernel.org \
--cc=wsa+renesas@sang-engineering.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox