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Commit 0133d323 authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Lee Jones
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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: default avatarPeter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent 25d94a11

Documentation/devicetree/bindings/mfd/twl6040.txt

+1 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ Required properties: 
- interrupt-parent: The parent interrupt controller

- gpio-controller:

- #gpio-cells = <1>: twl6040 provides GPO lines.

- #clock-cells = <0>; twl6040 is a provider of pdmclk which is used by McPDM

- twl6040,audpwron-gpio: Power on GPIO line for the twl6040



- vio-supply: Regulator for the twl6040 VIO supply

drivers/mfd/twl6040.c

+5 −0
Original line number Diff line number Diff line
@@ -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);

include/linux/mfd/twl6040.h

+1 −1
Original line number Diff line number Diff line
@@ -168,7 +168,7 @@ 
#define TWL6040_VIBROCDET		0x20

#define TWL6040_TSHUTDET                0x40



#define TWL6040_CELLS			3

#define TWL6040_CELLS			4



#define TWL6040_REV_ES1_0		0x00

#define TWL6040_REV_ES1_1		0x01 /* Rev ES1.1 and ES1.2 */