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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2016-08-31 14:46:21 +0300
committerLee Jones <lee.jones@linaro.org>2016-10-04 15:48:05 +0100
commit0133d323463ec20131f7fd5a70051bd89db4f7a1 (patch)
tree919f9651c5457d77ec6607fc7df686d0be6f7f39 /drivers/mfd
parent25d94a11db6d1e07a8a0914f33456c018049992e (diff)
downloadlinux-0133d323463ec20131f7fd5a70051bd89db4f7a1.tar.bz2
mfd: twl6040: Register child device for twl6040-pdmclk
The McPDM in OMAP4/5 is using the pdmclk from twl6040 as functional clock. The twl6040-pdmclk driver provides a clock which can be used to make sure that the pdmclk is active when the McPDM is in use. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/twl6040.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/mfd/twl6040.c b/drivers/mfd/twl6040.c
index c3ad59ef43dd..d66502d36ba0 100644
--- a/drivers/mfd/twl6040.c
+++ b/drivers/mfd/twl6040.c
@@ -783,6 +783,11 @@ static int twl6040_probe(struct i2c_client *client,
cell->name = "twl6040-gpo";
children++;
+ /* PDM clock support */
+ cell = &twl6040->cells[children];
+ cell->name = "twl6040-pdmclk";
+ children++;
+
/* The chip is powered down so mark regmap to cache only and dirty */
regcache_cache_only(twl6040->regmap, true);
regcache_mark_dirty(twl6040->regmap);