diff mbox

[v2,4/9] regulator: lp873x: Add support for populating input supply

Message ID 20161021103841.8044-5-lokeshvutla@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

Lokesh Vutla Oct. 21, 2016, 10:38 a.m. UTC
In order to have a proper topology of regulators for a platform, each
registering regulator needs to populate supply_name field for identifying
its supply's name. Add supply_name field for lp873x regulators.

Cc: Lee Jones <lee.jones@linaro.org>
Cc: Keerthy <j-keerthy@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
---
 Documentation/devicetree/bindings/mfd/lp873x.txt | 8 ++++++++
 drivers/regulator/lp873x-regulator.c             | 1 +
 2 files changed, 9 insertions(+)

Comments

Rob Herring Oct. 30, 2016, 8:41 p.m. UTC | #1
On Fri, Oct 21, 2016 at 04:08:36PM +0530, Lokesh Vutla wrote:
> In order to have a proper topology of regulators for a platform, each
> registering regulator needs to populate supply_name field for identifying
> its supply's name. Add supply_name field for lp873x regulators.
> 
> Cc: Lee Jones <lee.jones@linaro.org>
> Cc: Keerthy <j-keerthy@ti.com>
> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
> ---
>  Documentation/devicetree/bindings/mfd/lp873x.txt | 8 ++++++++
>  drivers/regulator/lp873x-regulator.c             | 1 +
>  2 files changed, 9 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/mfd/lp873x.txt b/Documentation/devicetree/bindings/mfd/lp873x.txt
> index 52766c2..998837a 100644
> --- a/Documentation/devicetree/bindings/mfd/lp873x.txt
> +++ b/Documentation/devicetree/bindings/mfd/lp873x.txt
> @@ -7,6 +7,9 @@ Required properties:
>    - #gpio-cells:	Should be two.  The first cell is the pin number and
>  			the second cell is used to specify flags.
>  			See ../gpio/gpio.txt for more information.
> +  - xxx-in-supply:	Phandle to parent supply node of each regulator
> +			populated under regulators node. xxx should match
> +			the supply_name populated in driver.

The driver is irrelevant. This should reference a list in this document.

>    - regulators:	List of child nodes that specify the regulator
>  			initialization data.
>  Example:
> @@ -17,6 +20,11 @@ pmic: lp8733@60 {
>  	gpio-controller;
>  	#gpio-cells = <2>;
>  
> +	buck0-in-supply = <&vsys_3v3>;
> +	buck1-in-supply = <&vsys_3v3>;
> +	ldo0-in-supply = <&vsys_3v3>;
> +	ldo1-in-supply = <&vsys_3v3>;
> +
>  	regulators {
>  		lp8733_buck0: buck0 {
>  			regulator-name = "lp8733-buck0";
--
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diff mbox

Patch

diff --git a/Documentation/devicetree/bindings/mfd/lp873x.txt b/Documentation/devicetree/bindings/mfd/lp873x.txt
index 52766c2..998837a 100644
--- a/Documentation/devicetree/bindings/mfd/lp873x.txt
+++ b/Documentation/devicetree/bindings/mfd/lp873x.txt
@@ -7,6 +7,9 @@  Required properties:
   - #gpio-cells:	Should be two.  The first cell is the pin number and
 			the second cell is used to specify flags.
 			See ../gpio/gpio.txt for more information.
+  - xxx-in-supply:	Phandle to parent supply node of each regulator
+			populated under regulators node. xxx should match
+			the supply_name populated in driver.
   - regulators:	List of child nodes that specify the regulator
 			initialization data.
 Example:
@@ -17,6 +20,11 @@  pmic: lp8733@60 {
 	gpio-controller;
 	#gpio-cells = <2>;
 
+	buck0-in-supply = <&vsys_3v3>;
+	buck1-in-supply = <&vsys_3v3>;
+	ldo0-in-supply = <&vsys_3v3>;
+	ldo1-in-supply = <&vsys_3v3>;
+
 	regulators {
 		lp8733_buck0: buck0 {
 			regulator-name = "lp8733-buck0";
diff --git a/drivers/regulator/lp873x-regulator.c b/drivers/regulator/lp873x-regulator.c
index e504b91..70e3df6 100644
--- a/drivers/regulator/lp873x-regulator.c
+++ b/drivers/regulator/lp873x-regulator.c
@@ -24,6 +24,7 @@ 
 	[_id] = {							\
 		.desc = {						\
 			.name			= _name,		\
+			.supply_name		= _of "-in",		\
 			.id			= _id,			\
 			.of_match		= of_match_ptr(_of),	\
 			.regulators_node	= of_match_ptr("regulators"),\