From: Andi Shyti <andi.shyti@kernel.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: lkml <linux-kernel@vger.kernel.org>,
linux-i2c <linux-i2c@vger.kernel.org>,
Andi Shyti <andi.shyti@kernel.org>
Subject: [GIT PULL] i2c for v7.4, part 1
Date: Wed, 21 Oct 2026 00:57:54 +0200 [thread overview]
Message-ID: <atfu5GAnLLhoGn9N@zenone.zhora.eu> (raw)
Hi Linus,
here is the first part of the I2C pull request for v7.4.
The main changes are the new Novatek NT72676 driver, the qcom-cci
clock and timing updates and a collection of smaller driver, core
and DT binding improvements.
Between family commitments and conferences, a few patches didn't
make it into this round. If the merge window gets an extra third
week, I'll use it to catch up with some of them.
A second part will definitely follow, probably on Sunday. I
already have some patches queued up, a few waiting for
dependencies to be fixed and others simple enough to be safely
included.
Meanwhile, I wish you great holidays, both under and above the
water.
Andi
The following changes since commit cee9395acd8043be0644b25c34bfa86623f2b935:
Linux 7.3-rc1 (2026-08-30 13:34:40 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux.git tags/i2c-7.4-part1
for you to fetch changes up to 0f6be986ad0eb6fe7338d963a14eaf0dee87677d:
i2c: imx-lpi2c: remove dmaengine_desc_free() (2026-10-13 15:55:40 +0200)
----------------------------------------------------------------
i2c for v7.4, part 1
A mix of new hardware support, driver improvements and smaller
core, DT binding and documentation cleanups.
Core and helpers:
- acpi: run ASUS and Dell touchpads at 100 kHz to avoid lag
- core: return bool from check_functionality() and update users
- smbus: limit block reads to the caller's buffer size
- acpi: mark I2C transfer buffers as DMA-safe
Drivers:
- qcom-geni: several firmware node and runtime PM improvements
- qcom-cci: several patches rework clock selection and timings
- qcom-cci: enable SCL clock stretching
- imx-lpi2c: fix DMA mapping device selection and cleanup
- designware: tune RX FIFO thresholds to reduce interrupts
- i801: respect SPD write protection when probing DDR5 modules
- bcm2835: fully initialize clock configuration data
Generic cleanups:
- mux: simplify channel lookup and firmware node handling
- core, busses: tidy up ACPI device ID tables
- docs: clarify adapter lookup and fix a client driver example
- xlnx: update maintainer for Xilinx IIC bindings
- ljca: remove redundant adapter deletion
New support and DT bindings:
- add DW compatibles for Synaptics SL2610 and UltraRISC DP1000
- allow six DMA channels for R-Car Gen5
- add Allwinner A733 compatible to mv64xxx bindings
- add support for Novatek NT72676 (new driver)
----------------------------------------------------------------
Ahmad Byagowi (2):
i2c: mux: Factor out channel node lookup
i2c: mux: Propagate firmware nodes to channel adapters
Alex Tran (1):
i2c: busses: Use pm_runtime_resume_and_get()
Ben Huang (3):
dt-bindings: i2c: Add Novatek NT72676 I2C controller
i2c: nt72676: Add Novatek NT72676 I2C controller driver
MAINTAINERS: Add entry for Novatek NT72676 I2C controller driver
Dmitry Torokhov (1):
i2c: smbus: make i2c_smbus_read_block_data() safer
Felix Gu (1):
i2c: ljca: drop redundant explicit adapter deletion
Frank Li (1):
i2c: imx-lpi2c: remove dmaengine_desc_free()
Geert Uytterhoeven (1):
i2c: bcm2835: Make sure clk_init_data is fully initialized
Hans de Goede (2):
i2c: qcom-geni: Use device_set_node() helper
i2c: acpi: Use I2C_M_DMA_SAFE in acpi_gsb_i2c_[read|write]_bytes()
Harinn (1):
i2c: acpi: Force ASUE140D touchpads to 100 kHz
Hitesh Patel (1):
i2c: qcom-cci: always enable SCL clock stretching
Jerome Brunet (1):
dt-bindings: i2c: mv64xxx: Add Allwinner A733 compatible string
Jia Wang (1):
dt-bindings: i2c: dw: Add compatible for UltraRISC DP1000 SoC
Jisheng Zhang (1):
dt-bindings: i2c: dw: Add Synaptics sl2610 i2c
Johan Hovold (1):
i2c: core: document preference for i2c_get_adapter_by_fwnode()
Krzysztof Kozlowski (1):
dt-bindings: i2c: xlnx,xps-iic-2.00.a: Drop bouncing mocean-labs.com
Loic Poulain (5):
i2c: qcom-cci: Switch msm8953 to the CCI v2 timing/rate config
i2c: qcom-cci: Support per-mode CCI clock rates
i2c: qcom-cci: Add 19.2 MHz timings for the v2 CCI
i2c: qcom-cci: Share the timing table across CCI revisions
i2c: qcom-cci: Enforce the required CCI clock rate
Manuel Ebner (1):
docs: i2c: writing-clients: Add missing end of command
Mukesh Kumar Savaliya (2):
i2c: qcom-geni: Use modern PM operation macros
i2c: qcom-geni: Simplify PM resume error handling
Navon John Lukose (1):
i2c: designware: size the RX FIFO threshold to the queued transfer
Oleg Keri (1):
i2c: qcom-cci: skip core clock rates the clock cannot provide
Pawel Zalewski (2):
i2c: i2c-core-acpi: use named initializers for acpi_device_id
i2c: busses: use named initializers for acpi_device_id
Peng Fan (1):
i2c: imx-lpi2c: use dmaengine_get_dma_device() for DMA mapping
Thorsten Blum (2):
media: i2c: isl7998x: Inline i2c_check_functionality() check
i2c: Change return type to bool for i2c_check_functionality()
Wolfram Sang (1):
dt-bindings: i2c: renesas,rcar-i2c: allow 6 DMA channels
Yo-Jung (1):
i2c: i801: Gate SPD instantiation on SPD Write Disable bit
YuXin Xiao (1):
i2c: acpi: Add DELL0A86 to i2c_acpi_force_100khz_device_ids
.../bindings/i2c/marvell,mv64xxx-i2c.yaml | 1 +
.../bindings/i2c/novatek,nt72676-i2c.yaml | 76 +++
.../devicetree/bindings/i2c/renesas,rcar-i2c.yaml | 4 +-
.../bindings/i2c/snps,designware-i2c.yaml | 16 +
.../bindings/i2c/xlnx,xps-iic-2.00.a.yaml | 2 +-
Documentation/i2c/writing-clients.rst | 2 +-
MAINTAINERS | 7 +
drivers/i2c/busses/Kconfig | 12 +
drivers/i2c/busses/Makefile | 1 +
drivers/i2c/busses/i2c-amd-asf-plat.c | 2 +-
drivers/i2c/busses/i2c-amd-mp2-plat.c | 2 +-
drivers/i2c/busses/i2c-bcm2835.c | 2 +-
drivers/i2c/busses/i2c-cros-ec-tunnel.c | 2 +-
drivers/i2c/busses/i2c-designware-master.c | 15 +-
drivers/i2c/busses/i2c-designware-platdrv.c | 42 +-
drivers/i2c/busses/i2c-gpio.c | 2 +-
drivers/i2c/busses/i2c-hisi.c | 2 +-
drivers/i2c/busses/i2c-i801.c | 10 +-
drivers/i2c/busses/i2c-imx-lpi2c.c | 20 +-
drivers/i2c/busses/i2c-imx.c | 2 +-
drivers/i2c/busses/i2c-ljca.c | 9 -
drivers/i2c/busses/i2c-ls2x.c | 2 +-
drivers/i2c/busses/i2c-mlxbf.c | 8 +-
drivers/i2c/busses/i2c-nt72676.c | 725 +++++++++++++++++++++
drivers/i2c/busses/i2c-qcom-cci.c | 334 ++++++----
drivers/i2c/busses/i2c-qcom-geni.c | 33 +-
drivers/i2c/busses/i2c-qup.c | 2 +-
drivers/i2c/busses/i2c-scmi.c | 8 +-
drivers/i2c/busses/i2c-synquacer.c | 4 +-
drivers/i2c/busses/i2c-tegra.c | 8 +-
drivers/i2c/busses/i2c-usbio.c | 12 +-
drivers/i2c/busses/i2c-viai2c-zhaoxin.c | 2 +-
drivers/i2c/busses/i2c-xgene-slimpro.c | 6 +-
drivers/i2c/busses/i2c-xlp9xx.c | 6 +-
drivers/i2c/i2c-core-acpi.c | 20 +-
drivers/i2c/i2c-core-base.c | 3 +
drivers/i2c/i2c-core-smbus.c | 24 +-
drivers/i2c/i2c-mux.c | 98 +--
drivers/media/i2c/isl7998x.c | 3 +-
include/linux/i2c.h | 23 +-
40 files changed, 1241 insertions(+), 311 deletions(-)
create mode 100644 Documentation/devicetree/bindings/i2c/novatek,nt72676-i2c.yaml
create mode 100644 drivers/i2c/busses/i2c-nt72676.c
reply other threads:[~2026-10-20 22:57 UTC|newest]
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