From: David Rhodes <drhodes@xxxxxxxxxxxxxxxxxxxxx>
Document internal and external boost feature for ASoC CS35L41.
For internal boost the following properties are required:
- cirrus,boost-peak-milliamp
- cirrus,boost-ind-nanohenry
- cirrus,boost-cap-microfarad
For external boost, the GPIO1 must be configured as output,
so the following properties are required:
- cirrus,gpio1-src-select = <1>
- cirrus,gpio1-output-enable
Signed-off-by: David Rhodes <drhodes@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Lucas Tanure <tanureal@xxxxxxxxxxxxxxxxxxxxx>
Acked-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
---
.../bindings/sound/cirrus,cs35l41.yaml | 44 +++++++++++++++++--
1 file changed, 41 insertions(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/sound/cirrus,cs35l41.yaml b/Documentation/devicetree/bindings/sound/cirrus,cs35l41.yaml
index 3235702ce402..51d815d0c696 100644
--- a/Documentation/devicetree/bindings/sound/cirrus,cs35l41.yaml
+++ b/Documentation/devicetree/bindings/sound/cirrus,cs35l41.yaml
@@ -75,6 +75,19 @@ properties:
maximum: 3
default: 2
+ cirrus,boost-type:
+ description:
+ Configures the type of Boost being used.
+ Internal boost requires boost-peak-milliamp, boost-ind-nanohenry and
+ boost-cap-microfarad.
+ External Boost must have GPIO1 as GPIO output. GPIO1 will be set high to
+ enable boost voltage.
+ 0 = Internal Boost
+ 1 = External Boost
+ $ref: "/schemas/types.yaml#/definitions/uint32"
+ minimum: 0
+ maximum: 1
+
cirrus,gpio1-polarity-invert:
description:
Boolean which specifies whether the GPIO1
@@ -131,9 +144,32 @@ required:
- compatible
- reg
- "#sound-dai-cells"
- - cirrus,boost-peak-milliamp
- - cirrus,boost-ind-nanohenry
- - cirrus,boost-cap-microfarad
+
+allOf:
+ - if:
+ properties:
+ cirrus,boost-type:
+ const: 0
+ then:
+ required:
+ - cirrus,boost-peak-milliamp
+ - cirrus,boost-ind-nanohenry
+ - cirrus,boost-cap-microfarad
+ else:
+ if:
+ properties:
+ cirrus,boost-type:
+ const: 1
+ then:
+ required:
+ - cirrus,gpio1-output-enable
+ - cirrus,gpio1-src-select
+ properties:
+ cirrus,boost-peak-milliamp: false
+ cirrus,boost-ind-nanohenry: false
+ cirrus,boost-cap-microfarad: false
+ cirrus,gpio1-src-select:
+ enum: [1]
additionalProperties: false
@@ -150,6 +186,8 @@ examples:
VA-supply = <&dummy_vreg>;
VP-supply = <&dummy_vreg>;
reset-gpios = <&gpio 110 0>;
+
+ cirrus,boost-type = <0>;
cirrus,boost-peak-milliamp = <4500>;
cirrus,boost-ind-nanohenry = <1000>;
cirrus,boost-cap-microfarad = <15>;
--
2.35.1
