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| author | Vlad.Karpovich <vkarpovi@opensource.cirrus.com> | 2023-03-15 10:47:19 -0500 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-03-21 12:46:40 +0000 |
| commit | c6cec088ab037b57e08e0694e2b150b1b034826c (patch) | |
| tree | 0e696c59ac47fff0f5b0b25da4daa9130ae7cfa3 /Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml | |
| parent | fa8c052b4c614aa1d2d60e5c9f40e9d885bf9511 (diff) | |
| download | lwn-c6cec088ab037b57e08e0694e2b150b1b034826c.tar.gz lwn-c6cec088ab037b57e08e0694e2b150b1b034826c.zip | |
ASoC: dt-bindings: cs35l45: GPIOs configuration
This adds description of CS35L45 GPIOs configuration.
Signed-off-by: Vlad Karpovich <vkarpovi@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230315154722.3911463-2-vkarpovi@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml b/Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml index b79990cf4f9f..2ab74f995685 100644 --- a/Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml +++ b/Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml @@ -50,6 +50,74 @@ properties: 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>; + }; }; }; |