[v2,00/12] i2c: riic: Add support for Renesas RZ/G3S

Message

Claudiu Beznea June 25, 2024, 12:13 p.m. UTC

From: Claudiu Beznea <[e-mail]>

Hi,

Series adds I2C support for the Renesas RZ/G3S SoC.

Series is split as follows:
- patch 01/12      - add clock, reset and PM domain support
- patch 02-03/12   - add some cleanups on RIIC driver
- patch 05/12      - enable runtime autosuspend support on the RIIC driver
- patch 06/12      - add suspend to RAM support on the RIIC driver
- patch 07/12      - prepares for the addition of fast mode plus
- patch 08/12      - updates the I2C documentation for the RZ/G3S SoC
- patch 09/12      - add fast mode plus support on the RIIC driver
- patches 10-12/12 - device tree support

Thank you,
Claudiu Beznea

Changes in v2:
- change the i2c clock names to match the documentation
- update commit description for patch "i2c: riic: Use temporary
  variable for struct device"
- addressed review comments
- dropped renesas,riic-no-fast-mode-plus DT property and associated code

Claudiu Beznea (12):
  clk: renesas: r9a08g045: Add clock, reset and power domain support for
    I2C
  i2c: riic: Use temporary variable for struct device
  i2c: riic: Call pm_runtime_get_sync() when need to access registers
  i2c: riic: Use pm_runtime_resume_and_get()
  i2c: riic: Enable runtime PM autosuspend support
  i2c: riic: Add suspend/resume support
  i2c: riic: Define individual arrays to describe the register offsets
  dt-bindings: i2c: renesas,riic: Document the R9A08G045 support
  i2c: riic: Add support for fast mode plus
  arm64: dts: renesas: r9a08g045: Add I2C nodes
  arm64: dts: renesas: rzg3s-smarc: Enable i2c0 node
  arm64: dts: renesas: rzg3s-smarc-som: Enable i2c1 node

 .../devicetree/bindings/i2c/renesas,riic.yaml |   4 +
 arch/arm64/boot/dts/renesas/r9a08g045.dtsi    |  88 +++++++
 .../boot/dts/renesas/rzg3s-smarc-som.dtsi     |   5 +
 arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi  |   7 +
 drivers/clk/renesas/r9a08g045-cpg.c           |  20 ++
 drivers/i2c/busses/i2c-riic.c                 | 237 ++++++++++++------
 6 files changed, 289 insertions(+), 72 deletions(-)