Commit Graph

16 Commits

Author SHA1 Message Date
Maxime Ripard
5690879d93 clk: sunxi-ng: Add A23 CCU
Add support for the clock unit found in the A23. Due to the similarities
with the A33, it also shares its clock IDs to allow sharing the DTSI.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
2016-09-10 11:41:20 +02:00
Maxime Ripard
d05c748bd7 clk: sunxi-ng: Add A33 CCU support
This commit introduces the clocks found in the Allwinner A33 CCU.

Since this SoC is very similar to the A23, and we share a significant share
of the DTSI, the clock IDs that are going to be used will also be shared
with the A23, hence the name of the various header files.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
2016-09-10 11:41:19 +02:00
Maxime Ripard
aa15233517 clk: sunxi-ng: Add N-class clocks support
Add support for the class with a single factor, N, being a multiplier.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
2016-09-10 11:41:19 +02:00
Chen-Yu Tsai
c6e6c96d8f clk: sunxi-ng: Add A31/A31s clocks
Add a new style driver for the clock control unit in Allwinner A31/A31s.

A few clocks are still missing:

    - MIPI PLL's HDMI mode support
    - EMAC clock

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2016-08-25 22:31:43 +02:00
Maxime Ripard
0577e4853b clk: sunxi-ng: Add H3 clocks
Add the list of clocks and resets found in the H3 CCU.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20160629190535.11855-14-maxime.ripard@free-electrons.com
2016-07-08 18:05:12 -07:00
Maxime Ripard
4f728b5db7 clk: sunxi-ng: Add N-K-M-P factor clock
Introduce support for clocks that use a combination of two linear
multipliers (N and K factors), one linear divider (M) and one power of two
divider (P).

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20160629190535.11855-13-maxime.ripard@free-electrons.com
2016-07-08 18:05:06 -07:00
Maxime Ripard
df6561e602 clk: sunxi-ng: Add N-K-M Factor clock
Introduce support for clocks that multiply and divide using two linear
multipliers and one linear divider.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20160629190535.11855-12-maxime.ripard@free-electrons.com
2016-07-08 18:05:03 -07:00
Maxime Ripard
6174a1e24b clk: sunxi-ng: Add N-M-factor clock support
Introduce support for clocks that multiply and divide using linear factors.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20160629190535.11855-11-maxime.ripard@free-electrons.com
2016-07-08 18:05:00 -07:00
Maxime Ripard
adbfb0056e clk: sunxi-ng: Add N-K-factor clock support
Introduce support for clocks that use a combination of two linear
multipliers.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20160629190535.11855-10-maxime.ripard@free-electrons.com
2016-07-08 18:04:56 -07:00
Maxime Ripard
2ab836db50 clk: sunxi-ng: Add M-P factor clock support
Introduce support for the clocks that combine a linear divider and a
power-of-two based one.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20160629190535.11855-9-maxime.ripard@free-electrons.com
2016-07-08 18:04:52 -07:00
Maxime Ripard
e9b9321310 clk: sunxi-ng: Add divider
Add support for the various dividers (linear, table or pow-of-two based)
found in the CCU.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20160629190535.11855-8-maxime.ripard@free-electrons.com
2016-07-08 18:04:48 -07:00
Maxime Ripard
6f9f7f876e clk: sunxi-ng: Add phase clock support
Add support for the clocks in the CCU that introduce a phase shift from
their parent clock.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20160629190535.11855-7-maxime.ripard@free-electrons.com
2016-07-08 18:04:45 -07:00
Maxime Ripard
2a65ed42dc clk: sunxi-ng: Add mux clock support
Some clocks in the Allwinner SoCs clocks unit are just muxes.

However, those muxes might also be found in some other complicated clocks
that would benefit from the code in there to deal with "advanced" features,
like pre-dividers.

Introduce a set of helpers to reduce the code duplication in such cases.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20160629190535.11855-6-maxime.ripard@free-electrons.com
2016-07-08 18:04:42 -07:00
Maxime Ripard
1a7e7c388d clk: sunxi-ng: Add gate clock support
Some clocks in the Allwinner SoCs clocks unit are just simple gates. Add
support for those clocks.

Since it's a feature that can also be found in more complex clocks, provide
a bunch of helpers that can be reused later on.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20160629190535.11855-5-maxime.ripard@free-electrons.com
2016-07-08 18:04:38 -07:00
Maxime Ripard
89a3dfb787 clk: sunxi-ng: Add fractional lib
Some clocks can be switched to a mode called fractional that have two fixed
output rate you can choose from.

Add a small library to deal with those clocks.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20160629190535.11855-4-maxime.ripard@free-electrons.com
2016-07-08 18:04:35 -07:00
Maxime Ripard
1d80c14248 clk: sunxi-ng: Add common infrastructure
Start our new clock infrastructure by adding the registration code, common
structure and common code.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20160629190535.11855-3-maxime.ripard@free-electrons.com
2016-07-08 18:04:32 -07:00