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mfd: Add device-tree entry to enable tps65910 external 32-kHz oscillator

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Add device-tree entry to enable external 32-kHz crystal oscillator
input.

Compile-only tested.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Johan Hovold 2012-06-28 12:20:22 +02:00 committed by Samuel Ortiz
parent 712db99df1
commit bcc1dd4cd7
2 changed files with 6 additions and 1 deletions
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4
Documentation/devicetree/bindings/mfd/tps65910.txt
View file

@ -29,6 +29,8 @@ Optional properties:
comparator. (see VMBCH_VSEL in TPS65910 datasheet)
- ti,vmbch2-threshold: (tps65911) main battery discharged threshold
comparator. (see VMBCH_VSEL in TPS65910 datasheet)
- ti,en-ck32k-xtal: enable external 32-kHz crystal oscillator (see CK32K_CTRL
in TPS6591X datasheet)
- ti,en-gpio-sleep: enable sleep control for gpios
There should be 9 entries here, one for each gpio.
@ -53,7 +55,7 @@ Example:
ti,vmbch-threshold = 0;
ti,vmbch2-threshold = 0;
ti,en-ck32k-xtal;
ti,en-gpio-sleep = <0 0 1 0 0 0 0 0 0>;
regulators {

3
drivers/mfd/tps65910.c
View file

@ -194,6 +194,9 @@ static struct tps65910_board *tps65910_parse_dt(struct i2c_client *client,
else if (*chip_id == TPS65911)
dev_warn(&client->dev, "VMBCH2-Threshold not specified");
prop = of_property_read_bool(np, "ti,en-ck32k-xtal");
board_info->en_ck32k_xtal = prop;
board_info->irq = client->irq;
board_info->irq_base = -1;