Thread (42 messages) 42 messages, 6 authors, 2016-02-05

[PATCH 4/6] regulator: lp872x: Add enable GPIO pin support

From: Paul Kocialkowski <hidden>
Date: 2015-12-29 21:27:20
Also in: linux-devicetree, linux-omap, lkml

Le mardi 29 d?cembre 2015 ? 14:02 -0600, Rob Herring a ?crit :
On Wed, Dec 23, 2015 at 11:58:37AM +0100, Paul Kocialkowski wrote:
quoted
LP872x regulators are made active via the EN pin, which might be hooked to a
GPIO. This adds support for driving the GPIO high when the driver is in use.

Signed-off-by: Paul Kocialkowski <redacted>
---
 .../devicetree/bindings/regulator/lp872x.txt       |  1 +
 drivers/regulator/lp872x.c                         | 33 ++++++++++++++++++++--
 include/linux/regulator/lp872x.h                   |  2 ++
 3 files changed, 33 insertions(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/regulator/lp872x.txt b/Documentation/devicetree/bindings/regulator/lp872x.txt
index 7818318..0559c25 100644
--- a/Documentation/devicetree/bindings/regulator/lp872x.txt
+++ b/Documentation/devicetree/bindings/regulator/lp872x.txt
@@ -28,6 +28,7 @@ Optional properties:
   - ti,dvs-gpio: GPIO specifier for external DVS pin control of LP872x devices.
   - ti,dvs-vsel: DVS selector. 0 = SEL_V1, 1 = SEL_V2.
   - ti,dvs-state: initial DVS pin state. 0 = DVS_LOW, 1 = DVS_HIGH.
+  - ti,enable-gpio: GPIO specifier for EN pin control of LP872x devices.
Should be "-gpios" instead of "-gpio".
Care to comment why? There is only one GPIO that can be used here, since
there is only one single EN pin. I thought this matched what is done
already with "ti,dvs-gpio".

Thanks!
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