Add reset support for the K1 I2C driver. A reset ensures that the
controller starts in a clean and known state.

Reset ensures that the I2C hardware is in a clean state. We cannot assume
that no program used I2C before the kernel booted.

Signed-off-by: Encrow Thorne <jyc0019@gmail.com>
---
Changes in v3:
- Move reset property in dt-bindings.
- Use devm_reset_control_get_optional_exclusive_deasserted() instead.
- Rebase to v6.19-rc1.
- Link to v2: https://lore.kernel.org/r/20251219-i2c-reset-v2-0-ad201a602e74@gmail.com

Changes in v2:
- Replace reset property in dt-bindings.
- Use devm_reset_control_get_optional_exclusive_deasserted() instead.
- Rebase to v6.19-rc1.
- Link to v1: https://lore.kernel.org/r/20251119-i2c-k1_reset-support-v1-0-0e9e82bf9b65@gmail.com

---
Encrow Thorne (3):
      dt-bindings: i2c: spacemit: add optional resets
      i2c: k1: add reset support
      riscv: dts: spacemit: add reset property

 Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml | 3 +++
 arch/riscv/boot/dts/spacemit/k1.dtsi                       | 8 ++++++++
 drivers/i2c/busses/i2c-k1.c                                | 7 +++++++
 3 files changed, 18 insertions(+)
---
base-commit: 8f0b4cce4481fb22653697cced8d0d04027cb1e8
change-id: 20251218-i2c-reset-a7be139213de

Best regards,
-- 
Encrow Thorne <jyc0019@gmail.com>

On Tue, 30 Dec 2025 22:29:01 +0800, Encrow Thorne wrote:
> Add reset support for the K1 I2C driver. A reset ensures that the
> controller starts in a clean and known state.
> 
> Reset ensures that the I2C hardware is in a clean state. We cannot assume
> that no program used I2C before the kernel booted.
> 
> 
> [...]

Applied, thanks!

[3/3] riscv: dts: spacemit: add reset property
      https://github.com/spacemit-com/linux/commit/91c444d4285c07dbf2e6e4bf954d9a0282157f1f

Best regards,
-- 
Yixun Lan