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authorDong Aisheng <aisheng.dong@nxp.com>2017-08-01 16:40:17 +0800
committerDaniel Lezcano <daniel.lezcano@linaro.org>2017-08-29 11:07:56 +0200
commit059ab7b82eecfc23bc58c491d72ee6b424163578 (patch)
treeadf2612e76cf6331fae6abb7ccab324808941a80 /drivers/regulator/rn5t618-regulator.c
parent34b0c26cd5458a991626bc8424e029562dceed21 (diff)
clocksource/drivers/imx-tpm: Add imx tpm timer support
IMX Timer/PWM Module (TPM) supports both timer and pwm function while this patch only adds the timer support. PWM would be added later. The TPM counter, compare and capture registers are clocked by an asynchronous clock that can remain enabled in low power modes. NOTE: We observed in a very small probability, the bus fabric contention between GPU and A7 may results a few cycles delay of writing CNT registers which may cause the min_delta event got missed, so we need add a ETIME check here in case it happened. Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Shawn Guo <shawnguo@kernel.org> Cc: Anson Huang <Anson.Huang@nxp.com> Cc: Bai Ping <ping.bai@nxp.com> Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Diffstat (limited to 'drivers/regulator/rn5t618-regulator.c')
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