From 7aa5ddffe7fbafe7ef828088ba1dbc76270300c5 Mon Sep 17 00:00:00 2001 From: Pratyush Yadav Date: Thu, 24 Sep 2020 10:04:13 +0530 Subject: regmap: Allow left shifting register offset before access Drivers can configure it to adjust the final read/write location. Signed-off-by: Pratyush Yadav Reviewed-by: Simon Glass --- include/regmap.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include') diff --git a/include/regmap.h b/include/regmap.h index 19474e6de12..e6c59dfbced 100644 --- a/include/regmap.h +++ b/include/regmap.h @@ -82,9 +82,12 @@ struct regmap_bus; * * @width: Width of the read/write operations. Defaults to * REGMAP_SIZE_32 if set to 0. + * @reg_offset_shift Left shift the register offset by this value before + * performing read or write. */ struct regmap_config { enum regmap_size_t width; + u32 reg_offset_shift; }; /** @@ -92,12 +95,15 @@ struct regmap_config { * * @width: Width of the read/write operations. Defaults to * REGMAP_SIZE_32 if set to 0. + * @reg_offset_shift Left shift the register offset by this value before + * performing read or write. * @range_count: Number of ranges available within the map * @ranges: Array of ranges */ struct regmap { enum regmap_endianness_t endianness; enum regmap_size_t width; + u32 reg_offset_shift; int range_count; struct regmap_range ranges[0]; }; -- cgit v1.2.3