[PATCH v2 0/2] i2c: rtl9300: remove IO_MODE configuration

[Michael Zavertkin]

i2c driver for RTL9607C used to configure IO_MODE register. The register
is global and responsible for configuring SoC pins, therefore it should
belong to pinctrl driver.

SoC-specific pinctrl driver is WIP (waiting for these patches in OpenWRT),
but pinctrl-single could be used instead.

While added compatible realtek,rtl9607c-i2c relies on pinctrl driver,
old realtek,rtl9607-i2c left for backward compatibility.

Signed-off-by: Michael Zavertkin <misha.zavertkin@xxxxxxx>
---
Changes in v2:
- Backward compatibility achieved by adding new compatible value. Old
  one is marked as deprecated
- Link to v1: https://patch.msgid.link/cover.1791127538.git.misha.zavertkin@xxxxxxx
---
Michael Zavertkin (2):
  i2c: rtl9300: add realtek,rtl9607c-i2c compatible
  dt-bindings: i2c: rtl9300: add 'rtl9607c-i2c'

 .../bindings/i2c/realtek,rtl9301-i2c.yaml     | 20 ++++++++++++++++++-
 drivers/i2c/busses/i2c-rtl9300.c              | 15 ++++++++++----
 2 files changed, 30 insertions(+), 5 deletions(-)

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2.54.0