[PATCH 2/2] mfd: tps65910: add device-tree entry to enable external 32-kHz oscillator
From: Johan Hovold <hidden>
Date: 2012-06-28 10:20:56
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Subsystem:
multifunction devices (mfd), omap2+ support, open firmware and flattened device tree bindings, the rest · Maintainers:
Lee Jones, Aaro Koskinen, Andreas Kemnade, Kevin Hilman, Roger Quadros, Tony Lindgren, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Add device-tree entry to enable external 32-kHz crystal oscillator input. Compile-only tested. Signed-off-by: Johan Hovold <redacted> --- Documentation/devicetree/bindings/mfd/tps65910.txt | 4 +++- drivers/mfd/tps65910.c | 3 +++ 2 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/Documentation/devicetree/bindings/mfd/tps65910.txt b/Documentation/devicetree/bindings/mfd/tps65910.txt
index 645f5eaa..0f5d9b7 100644
--- a/Documentation/devicetree/bindings/mfd/tps65910.txt
+++ b/Documentation/devicetree/bindings/mfd/tps65910.txt@@ -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 {
diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c
index b0526b7d..3f27ea1 100644
--- a/drivers/mfd/tps65910.c
+++ b/drivers/mfd/tps65910.c@@ -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;
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1.7.8.6