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 <jaewon02.kim@xxxxxxxxxxx>
Acked-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
---
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 = {
--
1.7.9.5
--
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