[PATCH 3/3] mfd: max77693: add haptic of_compatible in mfd_cell
From: Jaewon Kim <hidden>
Date: 2014-09-01 11:15:23
Also in:
lkml
Subsystem:
maxim pmic and muic drivers for exynos based boards, multifunction devices (mfd), open firmware and flattened device tree bindings, the rest · Maintainers:
Chanwoo Choi, Krzysztof Kozlowski, Lee Jones, Rob Herring, Conor Dooley, Linus Torvalds
This patch add haptic of_compatible in order to use the Haptic device driver using devicetree. and added the related documentation and example. Signed-off-by: Jaewon Kim <redacted> Acked-by: Chanwoo Choi <cw00.choi@samsung.com> --- Documentation/devicetree/bindings/mfd/max77693.txt | 19 +++++++++++++++++++ drivers/mfd/max77693.c | 2 +- 2 files changed, 20 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/mfd/max77693.txt b/Documentation/devicetree/bindings/mfd/max77693.txt
index 11921cc..6e30ad8 100644
--- a/Documentation/devicetree/bindings/mfd/max77693.txt
+++ b/Documentation/devicetree/bindings/mfd/max77693.txt@@ -27,6 +27,18 @@ Optional properties: [*] refer Documentation/devicetree/bindings/regulator/regulator.txt +- haptic : + Required properties: + - compatible : Must be "maxim,max77693-hpatic" + - pwms : phandle to the physical PWM device, + A feel can be changed by changing a peroid cycle. + Optional properties: + - haptic-supply : power supply for haptic motor + - pwm-names : Name to be used by the PWM subsystem for the PWM device + + The haptic require of max77693 have to be instantiated under subnod + named "haptic" using the following haptic format in example. + Example: max77693@66 { compatible = "maxim,max77693";
@@ -52,4 +64,11 @@ Example: regulator-boot-on; }; }; + + haptic { + compatible = "maxim,max77693-haptic"; + haptic-supply = <&haptic_supply>; + pwms = <&pwm 0 38022 0>; + pwm-names = "haptic"; + }; };
diff --git a/drivers/mfd/max77693.c b/drivers/mfd/max77693.c
index fbfed56..ceb7ebf 100644
--- a/drivers/mfd/max77693.c
+++ b/drivers/mfd/max77693.c@@ -46,7 +46,7 @@ static const struct mfd_cell max77693_devs[] = { { .name = "max77693-charger", }, { .name = "max77693-flash", }, { .name = "max77693-muic", }, - { .name = "max77693-haptic", }, + { .name = "max77693-haptic", .of_compatible = "maxim,max77693-haptic" }, }; static const struct regmap_config max77693_regmap_config = {
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1.7.9.5