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From: Akhil R <akhilrajeev@nvidia.com>
To: Alexandre Belloni <alexandre.belloni@bootlin.com>,
	Frank Li <Frank.Li@nxp.com>, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	"Rafael J . Wysocki" <rafael@kernel.org>,
	Robert Moore <robert.moore@intel.com>,
	"Len Brown" <lenb@kernel.org>, Guenter Roeck <linux@roeck-us.net>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	Eric Biggers <ebiggers@kernel.org>,
	Sakari Ailus <sakari.ailus@linux.intel.com>,
	Wolfram Sang <wsa+renesas@sang-engineering.com>,
	Miquel Raynal <miquel.raynal@bootlin.com>,
	<linux-i3c@lists.infradead.org>, <devicetree@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <linux-acpi@vger.kernel.org>,
	<acpica-devel@lists.linux.dev>, <linux-hwmon@vger.kernel.org>
Cc: Akhil R <akhilrajeev@nvidia.com>
Subject: [PATCH v2 00/13] Support ACPI and SETAASA device discovery
Date: Thu, 9 Apr 2026 16:27:30 +0530	[thread overview]
Message-ID: <20260409105747.48158-1-akhilrajeev@nvidia.com> (raw)

This patch series adds SETAASA device discovery to the I3C subsystem,
enabling support for SPD5118 temperature sensors found on DDR5 memory
modules. The changes also add ACPI support for all existing DAA
methods like SETDASA, SETNEWDA as well as I2C devices on I3C bus.

SPD5118 and similar devices on DDR5 memory modules differ from typical
I3C devices in their initialization. They use SETAASA broadcast CCC
instead of ENTDAA for address assignment, and per JEDEC specification,
are not required to have a Provisioned ID or implement standard device
information CCC commands (GETPID, GETDCR, GETBCR).

The series enables to describe all I3C and I2C devices on both Device
Tree and the ACPI table, using unified device property APIs throughout
the I3C core and the Synopsys DesignWare I3C master driver.

Please note that the series modifies drivers across multiple subsystems,
like Device Tree bindings, ACPI, I3C and HWMON.

v1->v2:
  * Added patch to remove 16-bit addressing support for SPD5118
  * Guard ACPI calls with #ifdef CONFIG_ACPI
  * Remove CONFIG_OF guard for of_alias_get_highest_id()
  * Mask mipi-i3c-static-method in the driver to select only valid values.
  * Proceed to register other devices if SETAASA is not supported.
  * Update commit message and links in the description of multiple commits.

Akhil R (13):
  dt-bindings: i3c: Add mipi-i3c-static-method to support SETAASA
  ACPICA: Read LVR from the I2C resource descriptor
  i3c: master: Use unified device property interface
  i3c: master: Support ACPI enumeration of child devices
  i3c: master: Add support for devices using SETAASA
  i3c: master: Add support for devices without PID
  i3c: master: match I3C device through DT and ACPI
  i3c: dw-i3c-master: Add SETAASA as supported CCC
  i3c: dw-i3c-master: Add a quirk to skip clock and reset
  i3c: dw-i3c-master: Add ACPI ID for Tegra410
  hwmon: spd5118: Remove 16-bit addressing
  hwmon: spd5118: Add I3C support
  arm64: defconfig: Enable I3C and SPD5118 hwmon

 .../devicetree/bindings/i3c/i3c.yaml          |  30 +-
 arch/arm64/configs/defconfig                  |   3 +
 drivers/acpi/acpica/rsserial.c                |   6 +-
 drivers/hwmon/Kconfig                         |   9 +-
 drivers/hwmon/spd5118.c                       | 119 +++---
 drivers/i3c/master.c                          | 353 +++++++++++++++---
 drivers/i3c/master/dw-i3c-master.c            |  69 ++--
 include/acpi/acrestyp.h                       |   1 +
 include/linux/i3c/ccc.h                       |   1 +
 include/linux/i3c/master.h                    |  22 +-
 10 files changed, 461 insertions(+), 152 deletions(-)

-- 
2.50.1


             reply	other threads:[~2026-04-09 10:58 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-09 10:57 Akhil R [this message]
2026-04-09 10:57 ` [PATCH v2 01/13] dt-bindings: i3c: Add mipi-i3c-static-method to support SETAASA Akhil R
2026-04-09 10:57 ` [PATCH v2 02/13] ACPICA: Read LVR from the I2C resource descriptor Akhil R
2026-04-09 11:07   ` Rafael J. Wysocki
2026-04-09 10:57 ` [PATCH v2 03/13] i3c: master: Use unified device property interface Akhil R
2026-04-09 10:57 ` [PATCH v2 04/13] i3c: master: Support ACPI enumeration of child devices Akhil R
2026-04-09 10:57 ` [PATCH v2 05/13] i3c: master: Add support for devices using SETAASA Akhil R
2026-04-09 10:57 ` [PATCH v2 06/13] i3c: master: Add support for devices without PID Akhil R
2026-04-09 10:57 ` [PATCH v2 07/13] i3c: master: match I3C device through DT and ACPI Akhil R
2026-04-09 10:57 ` [PATCH v2 08/13] i3c: dw-i3c-master: Add SETAASA as supported CCC Akhil R
2026-04-09 10:57 ` [PATCH v2 09/13] i3c: dw-i3c-master: Add a quirk to skip clock and reset Akhil R
2026-04-09 10:57 ` [PATCH v2 10/13] i3c: dw-i3c-master: Add ACPI ID for Tegra410 Akhil R
2026-04-09 10:57 ` [PATCH v2 11/13] hwmon: spd5118: Remove 16-bit addressing Akhil R
2026-04-09 14:11   ` Guenter Roeck
2026-04-09 10:57 ` [PATCH v2 12/13] hwmon: spd5118: Add I3C support Akhil R
2026-04-09 14:19   ` Guenter Roeck
2026-04-09 10:57 ` [PATCH v2 13/13] arm64: defconfig: Enable I3C and SPD5118 hwmon Akhil R

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