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i2c: sh_mobile: add support for r8a77990 (R-Car E3)

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[ Upstream commit 5eb316e636 ]

Add support for the IIC code for the r8a77990 (R-Car E3).

It is not considered compatible with existing fallback bindings
due to the documented absence of automatic transmission registers.

These registers are currently not used by the driver and
thus the provides the same behaviour for "renesas,iic-r8a77990" and
"renesas,rcar-gen3-iic". The point of declaring incompatibility is
to allow for automatic transmission register support to be added to
"renesas,iic-r8a77990" and "renesas,rcar-gen3-iic" in future.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Simon Horman
2018-11-21 13:09:28 +01:00
committed by Greg Kroah-Hartman
parent c357fe55e4
commit 8121f61a10
1 changed files with 1 additions and 0 deletions
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drivers/i2c/busses/i2c-sh_mobile.c
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@@ -836,6 +836,7 @@ static const struct of_device_id sh_mobile_i2c_dt_ids[] = {
{ .compatible = "renesas,rcar-gen2-iic", .data = &fast_clock_dt_config },
{ .compatible = "renesas,iic-r8a7795", .data = &fast_clock_dt_config },
{ .compatible = "renesas,rcar-gen3-iic", .data = &fast_clock_dt_config },
{ .compatible = "renesas,iic-r8a77990", .data = &fast_clock_dt_config },
{ .compatible = "renesas,iic-sh73a0", .data = &fast_clock_dt_config },
{ .compatible = "renesas,rmobile-iic", .data = &default_dt_config },
{},