linux.git/Documentation/devicetree/bindings/i2c, branch master Linux kernel source tree Merge tag 'devicetree-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux 2026-08-19T17:32:34+00:00 Linus Torvalds torvalds@linux-foundation.org 2026-08-19T17:32:34+00:00 c6cf4441a3a05bb7273ed022f3e56c4fc591da08 Pull devicetree updates from Rob Herring: - Add a DT maintainer profile document - Various dt-check-style improvements - Add a devres managed reserved memory region init function - Print node name on any skipped reserved memory regions - Correctly handle optional argument in of_parse_phandle_with_args_map() - Convert ti,keystone-reset, ti,da850-vpif, TI L4 interconnect, TI SmartReflex, microchip,pic32mzda-dmt, microchip,pic32mzda-wdt, TI DA8XX MSTPRI bus, and Xen VM bindings to DT schema format - Add bindings for StarFive JHB100 plic, Allwinner A733 NMI controller, MediaTek MT8173 GPU, QCom Shikra, Eliza, and Maili cpu-bwmon, and QCom Shikra SCM firmware - A couple of syntax fixes found using PoC Rust implementation of dtschema tools - Clean-ups for typos, brackets, incorrect "::" usages, and white-space style * tag 'devicetree-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (40 commits) dt-bindings: interconnect: qcom-bwmon: Add Maili cpu-bwmon compatible dtc: dt-check-style: Simplify setting depth of DtsLine dtc: dt-check-style: Add missing /dts-v1/ to few test cases dt-bindings: power: reset: ti,keystone-reset: Convert to DT schema media: dt-bindings: ti,da850-vpif: Convert to dt-schema dt-bindings: devfreq: samsung,exynos-ppmu: Use standard regex syntax dt-bindings: interrupt-controller: mediatek,mt6577-sysirq: Drop invalid JSON pointer dt-bindings: arm: omap: Convert L4 interconnect to DT schema dt-bindings: power: Convert TI SmartReflex to DT schema of: reserved_mem: Introduce devres-managed initialization function dt-bindings: interrupt-controller: Add StarFive JHB100 plic dt-bindings: irq: sun7i-nmi: Document the Allwinner A733 NMI controller dt-bindings: Correct white-space style dt-bindings: fix typos and brackets docs: dt: submitting-patches: Mention expectation about dt-check-style docs: dt: maintainer: Add Devicetree and OF maintainer profile document docs: dt: writing-schema: Extend expectations about example part of binding dt-bindings: gpu: powervr-rogue: Add MediaTek MT8173 GPU of: base: Handle optional argument in of_parse_phandle_with_args_map() dt-bindings: update Sudeep Holla's email address ... 
Pull devicetree updates from Rob Herring:

 - Add a DT maintainer profile document

 - Various dt-check-style improvements

 - Add a devres managed reserved memory region init function

 - Print node name on any skipped reserved memory regions

 - Correctly handle optional argument in
   of_parse_phandle_with_args_map()

 - Convert ti,keystone-reset, ti,da850-vpif, TI L4 interconnect, TI
   SmartReflex, microchip,pic32mzda-dmt, microchip,pic32mzda-wdt, TI
   DA8XX MSTPRI bus, and Xen VM bindings to DT schema format

 - Add bindings for StarFive JHB100 plic, Allwinner A733 NMI controller,
   MediaTek MT8173 GPU, QCom Shikra, Eliza, and Maili cpu-bwmon, and
   QCom Shikra SCM firmware

 - A couple of syntax fixes found using PoC Rust implementation of
   dtschema tools

 - Clean-ups for typos, brackets, incorrect "::" usages, and
   white-space style

* tag 'devicetree-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (40 commits)
  dt-bindings: interconnect: qcom-bwmon: Add Maili cpu-bwmon compatible
  dtc: dt-check-style: Simplify setting depth of DtsLine
  dtc: dt-check-style: Add missing /dts-v1/ to few test cases
  dt-bindings: power: reset: ti,keystone-reset: Convert to DT schema
  media: dt-bindings: ti,da850-vpif: Convert to dt-schema
  dt-bindings: devfreq: samsung,exynos-ppmu: Use standard regex syntax
  dt-bindings: interrupt-controller: mediatek,mt6577-sysirq: Drop invalid JSON pointer
  dt-bindings: arm: omap: Convert L4 interconnect to DT schema
  dt-bindings: power: Convert TI SmartReflex to DT schema
  of: reserved_mem: Introduce devres-managed initialization function
  dt-bindings: interrupt-controller: Add StarFive JHB100 plic
  dt-bindings: irq: sun7i-nmi: Document the Allwinner A733 NMI controller
  dt-bindings: Correct white-space style
  dt-bindings: fix typos and brackets
  docs: dt: submitting-patches: Mention expectation about dt-check-style
  docs: dt: maintainer: Add Devicetree and OF maintainer profile document
  docs: dt: writing-schema: Extend expectations about example part of binding
  dt-bindings: gpu: powervr-rogue: Add MediaTek MT8173 GPU
  of: base: Handle optional argument in of_parse_phandle_with_args_map()
  dt-bindings: update Sudeep Holla's email address
  ...
Merge tag 'i2c-7.3-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux 2026-08-19T16:23:13+00:00 Linus Torvalds torvalds@linux-foundation.org 2026-08-19T16:23:13+00:00 abea5c349368a683e40fdc2e745099aaaacc89d7 Pull i2c updates from Andi Shyti: "The main changes are support for shared SCL lines in i2c-gpio, a larger qcom-geni update covering tracing and transfer recovery and support for R-Car Gen5. The rest is mostly smaller driver, core and DT binding updates. Core and helpers: - support bus recovery with single-ended GPIOs - acpi: clean up resource handling - acpi: force ELAN1300 to 100 kHz - algo-bit: allow consumers to skip the optional bus test Drivers: - use generic bus frequency definitions in nomadik, octeon-core, microchip-corei2c, k1, davinci and pnx - i2c-gpio: support multiple buses sharing the same SCL line - qup: propagate clock enable failures - spacemit: configure SCL timing and clean up clock handling - amd-asf: guard against oversized firmware length qcom-geni: - add tracepoints for bus setup, interrupts and errors - use dedicated completion events for abort and reset - distinguish address and data NACK handling - cancel transfers before falling back to abort - simplify runtime PM and resource management - refactor resource and serial engine initialization DT bindings: - convert Altera bindings to DT schema - convert Axxia bindings to DT schema New support: - R-Car Gen5 and R-Car X5H - Axiado AX3005 - Qualcomm Nord SA8797P - Qualcomm SA8255p" * tag 'i2c-7.3-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux: (33 commits) i2c: core: support recovery for single-ended GPIOs i2c: rcar: add R-Car Gen5 support dt-bindings: i2c: rcar-i2c: Document R-Car X5H support i2c: i2c-gpio: Enhance driver for buses with shared SCL i2c: algo: bit: Allow to skip bit test i2c: qcom-geni: Add trace events for Qualcomm GENI I2C driver i2c: qcom-geni: trace: Add trace events for Qualcomm GENI I2C i2c: qup: Propagate clock enable failures i2c: qcom-geni: distinguish address-phase and data-phase NACK i2c: qcom-geni: use dedicated completions for abort and reset events i2c: qcom-geni: use cancel command before abort on transfer timeout dt-bindings: i2c: cdns: add Axiado AX3005 I2C variant i2c: qcom-geni: Use devm_pm_runtime_enable() for PM management dt-bindings: i2c: qcom,sa8255p-geni-i2c: Add compatible for Nord SA8797P i2c: nomadik: Use generic definitions for bus frequencies i2c: octeon-core: Use generic definitions for bus frequencies i2c: microchip-corei2c: Use generic definitions for bus frequencies i2c: k1: Use generic definitions for bus frequencies i2c: davinci: Use generic definitions for bus frequencies i2c: pnx: Use generic definitions for bus frequencies ... 
Pull i2c updates from Andi Shyti:
 "The main changes are support for shared SCL lines in i2c-gpio, a
  larger qcom-geni update covering tracing and transfer recovery and
  support for R-Car Gen5.

  The rest is mostly smaller driver, core and DT binding updates.

  Core and helpers:
   - support bus recovery with single-ended GPIOs
   - acpi: clean up resource handling
   - acpi: force ELAN1300 to 100 kHz
   - algo-bit: allow consumers to skip the optional bus test

  Drivers:
   - use generic bus frequency definitions in nomadik, octeon-core,
     microchip-corei2c, k1, davinci and pnx
   - i2c-gpio: support multiple buses sharing the same SCL line
   - qup: propagate clock enable failures
   - spacemit: configure SCL timing and clean up clock handling
   - amd-asf: guard against oversized firmware length

  qcom-geni:
   - add tracepoints for bus setup, interrupts and errors
   - use dedicated completion events for abort and reset
   - distinguish address and data NACK handling
   - cancel transfers before falling back to abort
   - simplify runtime PM and resource management
   - refactor resource and serial engine initialization

  DT bindings:
   - convert Altera bindings to DT schema
   - convert Axxia bindings to DT schema

  New support:
   - R-Car Gen5 and R-Car X5H
   - Axiado AX3005
   - Qualcomm Nord SA8797P
   - Qualcomm SA8255p"

* tag 'i2c-7.3-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux: (33 commits)
  i2c: core: support recovery for single-ended GPIOs
  i2c: rcar: add R-Car Gen5 support
  dt-bindings: i2c: rcar-i2c: Document R-Car X5H support
  i2c: i2c-gpio: Enhance driver for buses with shared SCL
  i2c: algo: bit: Allow to skip bit test
  i2c: qcom-geni: Add trace events for Qualcomm GENI I2C driver
  i2c: qcom-geni: trace: Add trace events for Qualcomm GENI I2C
  i2c: qup: Propagate clock enable failures
  i2c: qcom-geni: distinguish address-phase and data-phase NACK
  i2c: qcom-geni: use dedicated completions for abort and reset events
  i2c: qcom-geni: use cancel command before abort on transfer timeout
  dt-bindings: i2c: cdns: add Axiado AX3005 I2C variant
  i2c: qcom-geni: Use devm_pm_runtime_enable() for PM management
  dt-bindings: i2c: qcom,sa8255p-geni-i2c: Add compatible for Nord SA8797P
  i2c: nomadik: Use generic definitions for bus frequencies
  i2c: octeon-core: Use generic definitions for bus frequencies
  i2c: microchip-corei2c: Use generic definitions for bus frequencies
  i2c: k1: Use generic definitions for bus frequencies
  i2c: davinci: Use generic definitions for bus frequencies
  i2c: pnx: Use generic definitions for bus frequencies
  ...
dt-bindings: Correct white-space style 2026-08-07T14:38:48+00:00 Krzysztof Kozlowski krzysztof.kozlowski@oss.qualcomm.com 2026-08-01T19:56:14+00:00 5665556b5ba56b4ac1b39b4eebb993a6df778087 Correct a few white-space issues, like double space after '=' or before bracket '{' characters, which will be flagged by dt-check-style. No functional changes. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> Acked-by: Jeff Johnson <jjohnson@kernel.org> # qcom,ath10k.yaml Acked-by: Suzuki K Poulose <suzuki.poulose@arm.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Uwe Kleine-König <ukleinek@kernel.org> # for Documentation/devicetree/bindings/pwm Acked-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Acked-by: Andi Shyti <andi.shyti@kernel.org> Link: https://patch.msgid.link/20260801195613.235430-2-krzysztof.kozlowski@oss.qualcomm.com Signed-off-by: Rob Herring (Arm) <robh@kernel.org> 
Correct a few white-space issues, like double space after '=' or before
bracket '{' characters, which will be flagged by dt-check-style.  No
functional changes.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Acked-by: Jeff Johnson <jjohnson@kernel.org> # qcom,ath10k.yaml
Acked-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Uwe Kleine-König <ukleinek@kernel.org> # for Documentation/devicetree/bindings/pwm
Acked-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Acked-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://patch.msgid.link/20260801195613.235430-2-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
dt-bindings: i2c: apple,i2c: Add t6030 and t6031 compatibles 2026-08-01T18:47:40+00:00 Janne Grunau j@jannau.net 2026-07-24T18:16:46+00:00 c1b7bfab96da91021afbe7cde1539f4d715e9abc The i2c block on Apple silicon M3 Pro, Max and Ultra SoCs are compatible with the t8103 (M1) one. Add "apple,t6030-i2c" for M3 Pro and "apple,t6031-i2c" for M3 Max and Ultra as per-SoC compatibles. Acked-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Janne Grunau <j@jannau.net> Acked-by: Andi Shyti <andi.shyti@kernel.org> Signed-off-by: Sven Peter <sven@kernel.org> 
The i2c block on Apple silicon M3 Pro, Max and Ultra SoCs are compatible
with the t8103 (M1) one. Add "apple,t6030-i2c" for M3 Pro and
"apple,t6031-i2c" for M3 Max and Ultra as per-SoC compatibles.

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Janne Grunau <j@jannau.net>
Acked-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Sven Peter <sven@kernel.org>
dt-bindings: i2c: rcar-i2c: Document R-Car X5H support 2026-07-29T20:29:23+00:00 Minh Le minh.le.aj@renesas.com 2026-07-27T12:25:47+00:00 a5c811aa0a1550c302855176b309e6ed46ce01fe Document support for rcar-i2c on R8A78000 (X5H) SoCs. Signed-off-by: Minh Le <minh.le.aj@renesas.com> [wsa: fixed white space issues, added reset requirement] Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Andi Shyti <andi.shyti@kernel.org> Link: https://lore.kernel.org/r/20260727122546.4232-5-wsa+renesas@sang-engineering.com 
Document support for rcar-i2c on R8A78000 (X5H) SoCs.

Signed-off-by: Minh Le <minh.le.aj@renesas.com>
[wsa: fixed white space issues, added reset requirement]
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20260727122546.4232-5-wsa+renesas@sang-engineering.com
dt-bindings: i2c: cdns: add Axiado AX3005 I2C variant 2026-07-28T15:07:25+00:00 Swark Yang syang@axiado.com 2026-07-17T03:51:10+00:00 edf133cdeeb3cf8deb8166c07592061c6aedd385 Add binding for Axiado AX3005 I2C controller. So far, no changes are known, so it can fall back to the cdns,i2c-r1p14 compatible. Signed-off-by: Swark Yang <syang@axiado.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> Signed-off-by: Andi Shyti <andi.shyti@kernel.org> Link: https://lore.kernel.org/r/20260716-upstream-axiado-ax3005-upstream-v3-3-c429095143ec@axiado.com 
Add binding for Axiado AX3005 I2C controller. So far, no changes
are known, so it can fall back to the cdns,i2c-r1p14 compatible.

Signed-off-by: Swark Yang <syang@axiado.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20260716-upstream-axiado-ax3005-upstream-v3-3-c429095143ec@axiado.com
dt-bindings: i2c: qcom,sa8255p-geni-i2c: Add compatible for Nord SA8797P 2026-07-28T08:36:03+00:00 Shawn Guo shengchao.guo@oss.qualcomm.com 2026-07-07T09:57:08+00:00 d3ac4939fb795be89fe483f57455963f825d0c61 Add compatible for Nord SA8797P QUP GENI I2C controller, which is compatible with SA8255P controller. Signed-off-by: Shawn Guo <shengchao.guo@oss.qualcomm.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> Link: https://lore.kernel.org/r/20260707095708.3801043-1-shengchao.guo@oss.qualcomm.com Signed-off-by: Andi Shyti <andi.shyti@kernel.org> 
Add compatible for Nord SA8797P QUP GENI I2C controller, which is
compatible with SA8255P controller.

Signed-off-by: Shawn Guo <shengchao.guo@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260707095708.3801043-1-shengchao.guo@oss.qualcomm.com
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
dt-bindings: i2c: Describe SA8255p 2026-07-01T08:50:25+00:00 Praveen Talari praveen.talari@oss.qualcomm.com 2026-06-17T04:50:15+00:00 fd359c0272bb4078f3a7ef34c1d53ee0deb59900 Add DT bindings for the QUP GENI I2C controller on sa8255p platforms. SA8255p platform abstracts resources such as clocks, interconnect and GPIO pins configuration in Firmware. SCMI power and perf protocol are utilized to request resource configurations. SA8255p platform does not require the Serial Engine (SE) common properties as the SE firmware is loaded and managed by the TrustZone (TZ) secure environment. Co-developed-by: Nikunj Kela <quic_nkela@quicinc.com> Signed-off-by: Nikunj Kela <quic_nkela@quicinc.com> Signed-off-by: Praveen Talari <praveen.talari@oss.qualcomm.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> Tested-by: Mattijs Korpershoek <mkorpershoek@kernel.org> Signed-off-by: Andi Shyti <andi.shyti@kernel.org> Link: https://lore.kernel.org/r/20260617-enable-i2c-on-sa8255p-v7-1-ad736dbeab57@oss.qualcomm.com 
Add DT bindings for the QUP GENI I2C controller on sa8255p platforms.

SA8255p platform abstracts resources such as clocks, interconnect and
GPIO pins configuration in Firmware. SCMI power and perf protocol
are utilized to request resource configurations.

SA8255p platform does not require the Serial Engine (SE) common properties
as the SE firmware is loaded and managed by the TrustZone (TZ) secure
environment.

Co-developed-by: Nikunj Kela <quic_nkela@quicinc.com>
Signed-off-by: Nikunj Kela <quic_nkela@quicinc.com>
Signed-off-by: Praveen Talari <praveen.talari@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Tested-by: Mattijs Korpershoek <mkorpershoek@kernel.org>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20260617-enable-i2c-on-sa8255p-v7-1-ad736dbeab57@oss.qualcomm.com
dt-bindings: i2c: convert altera i2c to dt-schema 2026-07-01T08:50:24+00:00 Chaitanya Sabnis chaitanya.msabnis@gmail.com 2026-05-05T05:32:01+00:00 ff434ac49a52995c97d2e4a700b3875dd9910dcd Convert the Altera SoftIP I2C Controller bindings from legacy text format to modern dt-schema (YAML). The hardware constraints and properties remain identical. The example node was updated to use a standard 32-bit address space to clear compilation warnings. Signed-off-by: Chaitanya Sabnis <chaitanya.msabnis@gmail.com> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Signed-off-by: Andi Shyti <andi.shyti@kernel.org> Link: https://lore.kernel.org/r/20260505053201.5795-1-chaitanya.msabnis@gmail.com 
Convert the Altera SoftIP I2C Controller bindings from legacy text
format to modern dt-schema (YAML).

The hardware constraints and properties remain identical. The example
node was updated to use a standard 32-bit address space to clear
compilation warnings.

Signed-off-by: Chaitanya Sabnis <chaitanya.msabnis@gmail.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20260505053201.5795-1-chaitanya.msabnis@gmail.com
dt-bindings: i2c: convert axxia i2c to dt-schema 2026-07-01T08:50:23+00:00 Chaitanya Sabnis chaitanya.msabnis@gmail.com 2026-05-05T10:08:54+00:00 3ca8d1ec9a5374177b3f93313ac6f3e10cd3b113 Convert the LSI Axxia I2C Controller bindings from legacy text format to modern dt-schema (YAML). During the conversion, the obsolete `device_type = "i2c"` property was dropped from the example, as it is deprecated and not utilized by the driver. The `clock-names` property is enforced as required matching the driver probe behavior. The example node address was also updated to a standard 32-bit address. Signed-off-by: Chaitanya Sabnis <chaitanya.msabnis@gmail.com> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Signed-off-by: Andi Shyti <andi.shyti@kernel.org> Link: https://lore.kernel.org/r/20260505100854.5258-1-chaitanya.msabnis@gmail.com 
Convert the LSI Axxia I2C Controller bindings from legacy text
format to modern dt-schema (YAML).

During the conversion, the obsolete `device_type = "i2c"` property
was dropped from the example, as it is deprecated and not utilized
by the driver. The `clock-names` property is enforced as required
matching the driver probe behavior. The example node address was
also updated to a standard 32-bit address.

Signed-off-by: Chaitanya Sabnis <chaitanya.msabnis@gmail.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20260505100854.5258-1-chaitanya.msabnis@gmail.com