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5 Commits

Author SHA1 Message Date
Jonathan Neuschäfer
db78539fc9 clocksource/drivers/timer-npcm7xx: Enable timer 1 clock before use 
In the WPCM450 SoC, the clocks for each timer can be gated individually.
To prevent the timer 1 clock from being gated, enable it explicitly.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20221104161850.2889894-3-j.neuschaefer@gmx.net
Signed-off-by: Daniel Lezcano <daniel.lezcano@kernel.org>
 2022-12-02 12:48:28 +01:00
Jonathan Neuschäfer
690daddcb6 clocksource/drivers/npcm: Add support for WPCM450 
Add a compatible string for WPCM450, which has essentially the same
timer controller.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210320181610.680870-11-j.neuschaefer@gmx.net
 2021-04-08 13:24:16 +02:00
Avi Fishman
a2b58537b4 clocksource/drivers/npcm: Fix GENMASK and timer operation 
NPCM7XX_Tx_OPER GENMASK bits are wrong, fix them.

Hopefully the NPCM7XX_REG_TICR0 register reset value of those bits was 0,
so it did not cause an issue.

The function npcm7xx_timer_oneshot() reads the register
NPCM7XX_REG_TCSR0, modifies it and then reads it again overwriting the
previous changes. Remove the extra read which is pointless.

The function npcm7xx_timer_periodic() is correct but the code writes
to the NPCM7XX_REG_TICR0 register while it is dealing with the
NPCM7XX_REG_TCSR0 register, that is confusing. Separate the write to
the registers in the code for the sake of clarity.

Fixes: 1c00289ecd ("clocksource/drivers/npcm: Add NPCM7xx timer driver")
Signed-off-by: Avi Fishman <avifishman70@gmail.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
 2019-08-27 00:31:39 +02:00
Joe Perches
9bdd7bb3a8 clocksource/drivers/npcm: Fix misuse of GENMASK macro 
Arguments are supposed to be ordered high then low.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/d6a9d49c9837d38816b71d783f5aed7235e8ca94.1562734889.git.joe@perches.com
 2019-07-10 11:05:26 +02:00
Tomer Maimon
1c00289ecd clocksource/drivers/npcm: Add NPCM7xx timer driver 
Add Nuvoton BMC NPCM7xx timer driver.

The clocksource Enable 24-bit TIMER0 and TIMER1 counters,
while TIMER0 serve as clockevent and TIMER1 serve as clocksource.

Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Reviewed-by: Brendan Higgins <brendanhiggins@xxxxxxxxxx>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
 2018-03-30 22:44:09 +02:00