drm/sun4i: hdmi: create a regmap for later use

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The HDMI driver is written with readl/writel I/O to the registers.
However, to support the A31 variant, which has a different layout
for the DDC registers, it was recommended to use regfields to have
a cleaner implementation. To use regfields, we need to create an
underlying regmap.

This patch only adds the regmap. It does not convert the existing
driver accesses to use regmap.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171010032008.682-5-wens@csie.org

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Chen-Yu Tsai 2017-10-10 11:20:01 +08:00 • committed by Maxime Ripard

parent 544c5048bc

commit 4b1c924b1f

2 changed files with 16 additions and 0 deletions

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1

drivers/gpu/drm/sun4i/sun4i_hdmi.h

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15

drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c

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