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OpenCloudOS-Kernel
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3 Commits

Author SHA1 Message Date
Shawn Guo ae68f7af05 ARM: mxs: convert platform code to clk_prepare/clk_unprepare 
The patch converts mxs platform code to clk_prepare/clk_unprepare
by using helper functions clk_prepare_enable/clk_disable_unprepare.

Signed-off-by: Richard Zhao <richard.zhao@linaro.org>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
 2011-12-28 21:26:07 +08:00
Russell King 5c61ddcfaf clocksource: convert MXS timrotv2 to 32-bit down counting clocksource 
Convert the MXS timrotv2 32-bit down counting clocksource to the
generic clocksource infrastructure.

Cc: Sascha Hauer <kernel@pengutronix.de>
Acked-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
 2011-05-23 18:04:52 +01:00
Shawn Guo 4e472096fa ARM: mxs: Add timer support 
There are 2 versions of the timrot on Freescale MXS-based SoCs.
The v1 on MX23 only gets 16 bits counter, while v2 on MX28
extends the counter to 32 bits.

The implementation uses two timers, one for clock_event and
another for clocksource. MX28 uses timrot 0 and 1, while MX23
uses 0 and 2.

Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
 2010-12-20 17:29:50 +01:00