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authorshenwei.wang@nxp.com <shenwei.wang@nxp.com>2018-06-08 14:22:34 -0500
committerThierry Reding <thierry.reding@gmail.com>2018-07-09 19:04:19 +0200
commit82a9c55a2bb0a47b16c75e93d8ce54e8944758c0 (patch)
tree7b871204f0d87fe7d27cc27acba7e67b7b3bf5ae /drivers/pwm/pwm-mtk-disp.c
parent4964cb52b27a834ce22e515007a74ba74886074a (diff)
pwm: fsl-ftm: Added a dedicated IP interface clock
The current driver assumes that the ftm_sys clock works as one of the clock sources for the IP block as well as the IP interface clock. This assumption does not apply any more on the latest i.MX8x SoC family. On i.MX8x SoCs, a dedicated IP interface clock is introduced and it must be enabled before accessing any FTM registers. Moreover, the clock can not be used as the source clock for the FTM IP block. This patch introduces the ipg_clk as the dedicated IP interface clock and by default it is the same as the ftm_sys clock if not specified. Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm/pwm-mtk-disp.c')
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