i2c subsystem host drivers · Maintained

Maintainers

• M Andi Shyti <andi.shyti@kernel.org>

Paths

• F Documentation/devicetree/bindings/i2c/
• F drivers/i2c/algos/
• F drivers/i2c/busses/
• F include/dt-bindings/i2c/

Last 30 days

Most active threads (last 7 days)

• WARM1d [PATCH 00/10] Initial Apple silicon M4 device trees and dt-bindings
  2026-07-05 13:18 · 1 reply in 7d · Yureka Lilian <hidden>
• COOLING4d [PATCH v8 0/8] Add VIM4 MCU/FAN support
  2026-07-02 09:57 · 1 reply in 7d · Ronald Claveau via B4 Relay <devnull+linux-kernel-dev.aliel.fr@kernel.org>
• COOLING5d [PATCH v3 0/2] i2c: cadence: Add support for Axiado AX3000
  2026-07-01 04:49 · 2 replies in 7d · Swark Yang <syang@axiado.com>
• COOLING6d [PATCH v5 0/2] i2c: imx-lpi2c: fix probe error handling and reset controller
  2026-06-30 10:50 · 2 replies in 7d · <hidden>
• DORMANTno replies [PATCH v2] i2c: mt7621: Use dev_err_probe() for clock acquisition failures
  2026-06-30 11:20 · 0 replies in 7d · <hidden>
• DORMANTno replies [PATCH] i2c: mt7621: Use dev_err_probe() for clock acquisition failures
  2026-06-30 11:08 · 0 replies in 7d · <hidden>

Active reviewers (last 30 days)

• Conor Dooley <conor.dooley@microchip.com>
  6 attestations (6 Acked-by) · last on 2026-07-01
• Rob Herring (Arm) <robh@kernel.org>
  5 attestations (1 Acked-by, 4 Reviewed-by) · last on 2026-07-02
• Krzysztof Kozlowski <hidden>
  2 attestations (2 Reviewed-by) · last on 2026-06-30
• Andi Shyti <andi.shyti@kernel.org>
  1 attestation (1 Acked-by) · last on 2026-07-02
• Carlos Song <hidden>
  1 attestation (1 Acked-by) · last on 2026-06-29
• Wolfram Sang <wsa+renesas@sang-engineering.com>
  1 attestation (1 Reviewed-by) · last on 2026-06-08
• Bryan O'Donoghue <bryan.odonoghue@linaro.org>
  1 attestation (1 Reviewed-by) · last on 2026-06-08

Recent patches

Most-recent 30 patches in this subsystem on linux-arm-kernel (capped at 30), ordered by date desc.

• WARM1d [PATCH 07/10] dt-bindings: i2c: apple,i2c: Add t8132 compatible
  2026-07-05 · Yureka Lilian <hidden>
• COOLING4d REVIEWED: 10 (10M) [PATCH v8 2/8] dt-bindings: i2c: amlogic: Add compatible for T7 SOC
  2026-07-02 · Ronald Claveau via B4 Relay <devnull+linux-kernel-dev.aliel.fr@kernel.org>
• COOLING5d [PATCH v3 2/2] i2c: cadence: Add support for Axiado AX3000
  2026-07-01 · Swark Yang <syang@axiado.com>
• COOLING5d REVIEWED: 3 (3M) [PATCH v3 1/2] dt-bindings: i2c: cadence: Add Axiado AX3000
  2026-07-01 · Swark Yang <syang@axiado.com>
• DORMANTno replies [PATCH v2] i2c: mt7621: Use dev_err_probe() for clock acquisition failures
  2026-06-30 · <hidden>
• DORMANTno replies [PATCH] i2c: mt7621: Use dev_err_probe() for clock acquisition failures
  2026-06-30 · <hidden>
• DORMANTno replies [PATCH v5 2/2] i2c: imx-lpi2c: reset controller in probe stage
  2026-06-30 · <hidden>
• COOLING6d [PATCH v5 1/2] i2c: imx-lpi2c: properly unwind resources on probe failure
  2026-06-30 · <hidden>
• COOLING7d [PATCH v5 2/3] i2c: ma35d1: Add Nuvoton MA35D1 I2C driver support
  2026-06-30 · Zi-Yu Chen <hidden>
• COOLING7d REVIEWED: 1 (0M) [PATCH v5 1/3] dt-bindings: i2c: nuvoton,ma35d1-i2c: Add MA35D1 I2C controller
  2026-06-30 · Zi-Yu Chen <hidden>
• COOLING6d [PATCH] [RFC] gpiolib: introduce gpio_name() helper
  2026-06-29 · Arnd Bergmann <arnd@kernel.org>
• COOLING7d REVIEWED: 1 (0M) [PATCH v4 2/2] i2c: imx: Cancel hrtimer before clearing slave pointer
  2026-06-29 · Liem <hidden>
• COOLING7d [PATCH v4 1/2] i2c: imx: Fix slave registration race and error handling
  2026-06-29 · Liem <hidden>
• COOLING7d RE: [PATCH v3 1/2] i2c: imx: Clear slave pointer on registration error
  2026-06-26 · Carlos Song (OSS) <hidden>
• COOLING7d [PATCH v3 2/2] i2c: imx: Cancel hrtimer before clearing slave pointer
  2026-06-26 · Liem <hidden>
• COOLING7d [PATCH v3 1/2] i2c: imx: Clear slave pointer on registration error
  2026-06-26 · Liem <hidden>
• COOLING7d [PATCH v2] i2c: imx: Fix slave registration error path and missing timer cleanup
  2026-06-25 · Liem <hidden>
• COOLING7d [PATCH] i2c: imx: Fix slave registration error path and missing NULL check
  2026-06-25 · Liem <hidden>
• DORMANTno replies [PATCH] i2c: mediatek: fix WRRD for SoCs without auto_restart option
  2026-06-23 · Roman Vivchar via B4 Relay <devnull+rva333.protonmail.com@kernel.org>
• COOLING5d [PATCH 7/7] i2c: nomadik: add support for I2C_XFER_V2 - detailed fault reporting
  2026-06-23 · Dmitry Guzman <hidden>
• COOLING5d [PATCH 5/7] i2c: nomadik: change print level for fault messages to debug
  2026-06-23 · Dmitry Guzman <hidden>
• COOLING5d [PATCH 6/7] i2c: nomadik: add quirks max_len=2047 and no_zero_len_read
  2026-06-23 · Dmitry Guzman <hidden>
• COOLING5d [PATCH 4/7] i2c: nomadik: return proper fault codes
  2026-06-23 · Dmitry Guzman <hidden>
• COOLING5d [PATCH 3/7] i2c: nomadik: do not try to retransmit I2C message series on errors
  2026-06-23 · Dmitry Guzman <hidden>
• COOLING5d [PATCH 2/7] i2c: nomadik: optimize layout of struct nmk_i2c_dev
  2026-06-23 · Dmitry Guzman <hidden>
• COOLING14d [PATCH v33 4/5] i2c: ast2600: Add controller driver for AST2600 new register set
  2026-06-23 · Ryan Chen <ryan_chen@aspeedtech.com>
• COOLING14d [PATCH v33 5/5] i2c: ast2600: Add target mode support
  2026-06-23 · Ryan Chen <ryan_chen@aspeedtech.com>
• COOLING14d REVIEWED: 10 (10M) [PATCH v33 3/5] dt-bindings: i2c: ast2600-i2c.yaml: Add global-regs properties
  2026-06-23 · Ryan Chen <ryan_chen@aspeedtech.com>
• COOLING14d [PATCH v33 2/5] i2c: aspeed: Read clock-frequency via i2c_parse_fw_timings()
  2026-06-23 · Ryan Chen <ryan_chen@aspeedtech.com>
• COOLING14d REVIEWED: 10 (10M) [PATCH v33 1/5] dt-bindings: i2c: Split AST2600 binding into a new YAML
  2026-06-23 · Ryan Chen <ryan_chen@aspeedtech.com>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• STALE166d REVIEWED: 5 (5M) [PATCH v3 2/5] dt-bindings: i2c: qcom-cci: Document sm6150 compatible
  2026-01-15 · Wenmeng Liu <hidden> · 1 Reviewed-by
• STALE165d REVIEWED: 13 (13M) [Patch V3] i2c: imx-lpi2c: fix SMBus block read NACK after byte count
  2026-01-21 · Carlos Song <hidden> · 1 Reviewed-by
• STALE165d REVIEWED: 5 (5M) [PATCH v4 2/5] dt-bindings: i2c: qcom-cci: Document sm6150 compatible
  2026-01-22 · Wenmeng Liu <hidden> · 1 Reviewed-by
• STALE150d REVIEWED: 5 (5M) [PATCH v5 2/5] dt-bindings: i2c: qcom-cci: Document sm6150 compatible
  2026-01-22 · Wenmeng Liu <hidden> · 1 Reviewed-by
• STALE143d REVIEWED: 1 (0M) [PATCH v4 3/5] i2c: davinci: calculate bus freq from Hz instead of kHz
  2026-01-28 · Marcus Folkesson <marcus.folkesson@gmail.com> · 1 Reviewed-by
• STALE154d REVIEWED: 1 (0M) [PATCH v7 4/6] i2c: xiic: switch to generic device property accessors
  2026-01-29 · Abdurrahman Hussain via B4 Relay <devnull+abdurrahman.nexthop.ai@kernel.org> · 1 Reviewed-by
• STALE156d REVIEWED: 1 (0M) [PATCH v8 3/6] i2c: xiic: switch to generic device property accessors
  2026-02-01 · Abdurrahman Hussain via B4 Relay <devnull+abdurrahman.nexthop.ai@kernel.org> · 1 Reviewed-by
• DORMANTno replies REVIEWED: 1 (0M) [PATCH v8 5/6] i2c xiic: cosmetic: use resource format specifier in debug log
  2026-02-01 · Abdurrahman Hussain via B4 Relay <devnull+abdurrahman.nexthop.ai@kernel.org> · 1 Reviewed-by
• STALE153d REVIEWED: 1 (0M) [PATCH v9 3/7] i2c: xiic: switch to generic device property accessors
  2026-02-02 · Abdurrahman Hussain via B4 Relay <devnull+abdurrahman.nexthop.ai@kernel.org> · 1 Reviewed-by
• STALE153d REVIEWED: 1 (0M) [PATCH v9 5/7] i2c: xiic: cosmetic: use resource format specifier in debug log
  2026-02-02 · Abdurrahman Hussain via B4 Relay <devnull+abdurrahman.nexthop.ai@kernel.org> · 1 Reviewed-by

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• STALE168d [PATCH 03/12] i2c: mlxbf: use i2c_adapter-specific printk helpers
  2025-12-23 · Bartosz Golaszewski <hidden>
• STALE168d [PATCH 04/12] i2c: isch: use i2c_adapter-specific printk helpers
  2025-12-23 · Bartosz Golaszewski <hidden>
• STALE168d [PATCH 06/12] i2c: scmi: use i2c_adapter-specific printk helpers
  2025-12-23 · Bartosz Golaszewski <hidden>
• STALE168d [PATCH 05/12] i2c: ali1535: use i2c_adapter-specific printk helpers
  2025-12-23 · Bartosz Golaszewski <hidden>
• STALE168d [PATCH 07/12] i2c: ali15x3: use i2c_adapter-specific printk helpers
  2025-12-23 · Bartosz Golaszewski <hidden>
• STALE168d [PATCH 08/12] i2c: powermac: use i2c_adapter-specific printk helpers
  2025-12-23 · Bartosz Golaszewski <hidden>
• STALE168d [PATCH 09/12] i2c: owl: use i2c_adapter-specific printk helpers
  2025-12-23 · Bartosz Golaszewski <hidden>
• STALE168d [PATCH 10/12] i2c: nforce2: use i2c_adapter-specific printk helpers
  2025-12-23 · Bartosz Golaszewski <hidden>
• STALE168d [PATCH 11/12] i2c: amd756: use i2c_adapter-specific printk helpers
  2025-12-23 · Bartosz Golaszewski <hidden>
• STALE168d [PATCH 12/12] i2c: piix4: use i2c_adapter-specific printk helpers
  2025-12-23 · Bartosz Golaszewski <hidden>