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(parent: 27c5785) | patch
ARM:imx:fix pwm period value
authorJason Chen <jason.chen@linaro.org>
Mon, 19 Dec 2011 03:23:28 +0000 (11:23 +0800)
committerGreg Kroah-Hartman <gregkh@suse.de>
Fri, 6 Jan 2012 22:17:18 +0000 (14:17 -0800)
commit2afb2920cb25c74bbb16a6b60c6316fb02f434c0
treeedbfa6c791f4d120bffbfe4db1f294b7d9a0953atree | snapshot
parent27c57858531c4829a1446ebb5fd606d07846b2e5commit | diff
ARM:imx:fix pwm period value

commit 5776ac2eb33164c77cdb4d2b48feee15616eaba3 upstream.

According to imx pwm RM, the real period value should be
PERIOD value in PWMPR plus 2.

PWMO (Hz) = PCLK(Hz) / (period +2)

Signed-off-by: Jason Chen <jason.chen@linaro.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
arch/arm/plat-mxc/pwm.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git