From: David Rhodes drhodes@opensource.cirrus.com
Document external boost feature on CS35L41
Signed-off-by: David Rhodes drhodes@opensource.cirrus.com --- .../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..2f60776b3e9b 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: + contains: + const: 0 + + then: + required: + - cirrus,boost-peak-milliamp + - cirrus,boost-ind-nanohenry + - cirrus,boost-cap-microfarad + + - if: + properties: + cirrus,boost-type: + contains: + const: 1 + + then: + required: + - cirrus,gpio1-output-enable + properties: + cirrus,gpio1-src-select: + const: 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>;