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4 Commits

Author SHA1 Message Date
Purna Chandra Mandal
a38c94106e clk: microchip: Initialize SOSC clock rate for PIC32MZDA. 
Optional SOSC is an external fixed clock running at 32768HZ.
So Initialize SOSC rate as per PIC32MZDA datasheet.

Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
 2016-08-24 16:05:24 -07:00
Purna Chandra Mandal
12f53b2432 clk: microchip: use readl_poll_timeout() in pbclk_set_rate(). 
pbclk_set_rate() is using readl_poll_timeout_atomic() even
though spinlock is released. Fix it by replacing with
readl_poll_timeout().

Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
 2016-08-24 16:05:23 -07:00
Stephen Boyd
3c7f4f5457 clk: microchip: Remove CLK_IS_ROOT 
This flag is a no-op now (see commit 47b0eeb3dc "clk: Deprecate
CLK_IS_ROOT", 2016-02-02) so remove it.

Cc: Purna Chandra Mandal <purna.mandal@microchip.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: <linux-mips@linux-mips.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
 2016-06-01 14:52:54 -07:00
Purna Chandra Mandal
ce6e118846 CLK: microchip: Add Microchip PIC32 clock driver. 
This clock driver implements PIC32 specific clock-tree. clock-tree
entities can only be configured through device-tree file (OF).

Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-clk@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13247/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-05-13 15:30:25 +02:00