diff options
Diffstat (limited to 'Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml | 80 |
1 files changed, 79 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml b/Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml index 88a0ca474c3d..2ab74f995685 100644 --- a/Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml +++ b/Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml @@ -45,11 +45,79 @@ properties: Audio serial port SDOUT Hi-Z control. Sets the Hi-Z configuration for SDOUT pin of amplifier. Logical OR of CS35L45_ASP_TX_HIZ_xxx values. - $ref: "/schemas/types.yaml#/definitions/uint32" + $ref: /schemas/types.yaml#/definitions/uint32 minimum: 0 maximum: 3 default: 2 +patternProperties: + "^cirrus,gpio-ctrl[1-3]$": + description: + GPIO pins configuration. + type: object + additionalProperties: false + properties: + gpio-dir: + description: + GPIO pin direction. Valid only when 'gpio-ctrl' is 1 + 0 = Output + 1 = Input + $ref: "/schemas/types.yaml#/definitions/uint32" + minimum: 0 + maximum: 1 + default: 1 + gpio-lvl: + description: + GPIO level. Valid only when 'gpio-ctrl' is 1 and 'gpio-dir' is 0 + 0 = Low + 1 = High + $ref: "/schemas/types.yaml#/definitions/uint32" + minimum: 0 + maximum: 1 + default: 0 + gpio-op-cfg: + description: + GPIO level. Valid only when 'gpio-ctrl' is 1 and 'gpio-dir' is 0 + 0 = CMOS + 1 = Open Drain + $ref: "/schemas/types.yaml#/definitions/uint32" + minimum: 0 + maximum: 1 + default: 0 + gpio-pol: + description: + GPIO output polarity select. Valid only when 'gpio-ctrl' is 1 + and 'gpio-dir' is 0 + 0 = Non-inverted, Active High + 1 = Inverted, Active Low + $ref: "/schemas/types.yaml#/definitions/uint32" + minimum: 0 + maximum: 1 + default: 0 + gpio-ctrl: + description: + Defines the function of the GPIO pin. + GPIO1 + 0 = High impedance input + 1 = Pin acts as a GPIO, direction controlled by 'gpio-dir' + 2 = Pin acts as MDSYNC, direction controlled by MDSYNC + 3-7 = Reserved + GPIO2 + 0 = High impedance input + 1 = Pin acts as a GPIO, direction controlled by 'gpio-dir' + 2 = Pin acts as open drain INT + 3 = Reserved + 4 = Pin acts as push-pull output INT. Active low. + 5 = Pin acts as push-pull output INT. Active high. + 6,7 = Reserved + GPIO3 + 0 = High impedance input + 1 = Pin acts as a GPIO, direction controlled by 'gpio-dir' + 2-7 = Reserved + $ref: "/schemas/types.yaml#/definitions/uint32" + minimum: 0 + maximum: 7 + default: 0 required: - compatible - reg @@ -74,5 +142,15 @@ examples: reset-gpios = <&gpio 110 0>; cirrus,asp-sdout-hiz-ctrl = <(CS35L45_ASP_TX_HIZ_UNUSED | CS35L45_ASP_TX_HIZ_DISABLED)>; + cirrus,gpio-ctrl1 { + gpio-ctrl = <0x2>; + }; + cirrus,gpio-ctrl2 { + gpio-ctrl = <0x2>; + }; + cirrus,gpio-ctrl3 { + gpio-ctrl = <0x1>; + gpio-dir = <0x1>; + }; }; }; |