Commit Graph

8 Commits

Author SHA1 Message Date
Antoine Tenart
fd26031ba6 clk: berlin: drop direct of_iomap of nodes reg property
The Berlin clock driver was sharing a DT node with the pin controller
and the reset driver. All these devices are now sub-nodes of the chip
controller. This patch rework the Berlin clock driver to allow moving
the Berlin clock DT bindings into their own sub-node of the chip
controller node.

Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
2015-05-18 18:10:13 +02:00
Antoine Tenart
26b3b6b959 clk: berlin: prepare simple-mfd conversion
Prepare conversion of berlin clk drivers to a simple-mfd sub-node by
checking for parent node compatible. If parent node is "syscon" compatible
use it for of_iomap instead of the own node.

Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
2015-05-18 18:10:09 +02:00
Jisheng Zhang
b71e8ecd57 clk: berlin: bg2q: remove non-exist "smemc" gate clock
The "smemc" clock is removed on BG2Q SoCs. In fact, bit19 of clkenable
register is for nfc. Current code use bit19 for non-exist "smemc"
incorrectly, this prevents eMMC from working due to the sdhci's
"core" clk is still gated.

Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Cc: stable@vger.kernel.org # 3.16+
Signed-off-by: Michael Turquette <mturquette@linaro.org>
2015-01-13 10:58:43 -08:00
Alexandre Belloni
18882ac5f3 clk: berlin: add core clock driver for BG2Q
This driver deals with the core clocks found on Marvell Berlin BG2Q. For the
shared register dividers, make use of the corresponding driver and add some
single clock muxes and gates for the rest.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-05-29 09:30:19 -07:00
Sebastian Hesselbarth
ba0fae3b06 clk: berlin: add core clock driver for BG2/BG2CD
This driver deals with the core clocks found on Marvell Berlin
BG2 and BG2CD. For the shared register dividers, make use of the
corresponding driver and add some single clock muxes and gates for
the rest.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-05-29 09:30:19 -07:00
Alexandre Belloni
6f9ba9b447 clk: berlin: add driver for BG2x complex divider cells
This is a driver for the complex divider cells found on Marvell Berlin2
SoCs. The cells come in two flavors: single register cells and shared
register cells.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-05-29 09:30:18 -07:00
Alexandre Belloni
cf8de5a7f8 clk: berlin: add driver for BG2x simple PLLs
This is a clock driver for the simple PLLs found on Berlin SoCs.
With repect to PLL registers and features, BG2/BG2CD and BG2Q are
slightly different, e.g. different allowed VCO dividers and bit
shifts.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-05-29 09:30:17 -07:00
Sebastian Hesselbarth
beca8ccce4 clk: berlin: add driver for BG2x audio/video PLL
This is a driver for the AVPLLs built upon a VCO with 8 channels each
found on Marvell Berlin2 SoCs. While both VCOs found on BG2/BG2CD share
the same register set, sometimes registers shifts for one of the VCOs
are a bit off. Nothing serious that should require a separate driver,
so deal with both VCOs in a single driver instead.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2014-05-29 09:30:16 -07:00