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dt-bindings: i2c: mv64xxx: Add variants with offload support

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V536 and newer Allwinner SoCs contain an updated I2C controller which
includes an offload engine for master mode. The controller retains the
existing register interface, so the A31 compatible still applies.

Add the V536 compatible and use it as a fallback for other SoCs with the
updated hardware. This includes two SoCs that were already documented
(H616 and A100) and two new SoCs (R329 and D1).

Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20220702052544.31443-1-samuel@sholland.org
This commit is contained in:
Samuel Holland 2022-07-02 00:25:42 -05:00 committed by Jernej Skrabec
parent 7d655166db
commit e01f242a8f
1 changed files with 9 additions and 1 deletions
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10
Documentation/devicetree/bindings/i2c/marvell,mv64xxx-i2c.yaml
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@ -21,10 +21,18 @@ properties:
- enum:
- allwinner,sun8i-a23-i2c
- allwinner,sun8i-a83t-i2c
- allwinner,sun8i-v536-i2c
- allwinner,sun50i-a64-i2c
- allwinner,sun50i-a100-i2c
- allwinner,sun50i-h6-i2c
- const: allwinner,sun6i-a31-i2c
- description: Allwinner SoCs with offload support
items:
- enum:
- allwinner,sun20i-d1-i2c
- allwinner,sun50i-a100-i2c
- allwinner,sun50i-h616-i2c
- allwinner,sun50i-r329-i2c
- const: allwinner,sun8i-v536-i2c
- const: allwinner,sun6i-a31-i2c
- const: marvell,mv64xxx-i2c
- const: marvell,mv78230-i2c