diff options
| author | Dan Murphy <dmurphy@ti.com> | 2020-05-26 15:09:16 -0500 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-05-27 14:48:51 +0100 |
| commit | 2465d32bea35d1d56c6cfb08a96ebea3b475d8ec (patch) | |
| tree | 33975c06013da6365a1a776436f792db34430f91 /Documentation | |
| parent | 9ad61b5c804090022444719d1f16e1029e002430 (diff) | |
| download | linux-2465d32bea35d1d56c6cfb08a96ebea3b475d8ec.tar.bz2 | |
dt-bindings: sound: tlv320adcx140: Add GPI config property
Add an array property that configures the General Purpose Input (GPI)
register. The device has 4 GPI pins and each pin can be configured in 1
of 7 different ways.
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Link: https://lore.kernel.org/r/20200526200917.10385-1-dmurphy@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/tlv320adcx140.yaml | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/tlv320adcx140.yaml b/Documentation/devicetree/bindings/sound/tlv320adcx140.yaml index daa6cc0e031b..e8a69b1c7ca9 100644 --- a/Documentation/devicetree/bindings/sound/tlv320adcx140.yaml +++ b/Documentation/devicetree/bindings/sound/tlv320adcx140.yaml @@ -86,6 +86,32 @@ properties: maximum: 1 default: [0, 0, 0, 0] + ti,gpi-config: + description: | + Defines the configuration for the general purpose input pins (GPI). + The array is defined as <GPI1 GPI2 GPI3 GPI4>. + + 0 - (default) disabled + 1 - GPIX is configured as a general-purpose input (GPI) + 2 - GPIX is configured as a master clock input (MCLK) + 3 - GPIX is configured as an ASI input for daisy-chain (SDIN) + 4 - GPIX is configured as a PDM data input for channel 1 and channel + (PDMDIN1) + 5 - GPIX is configured as a PDM data input for channel 3 and channel + (PDMDIN2) + 6 - GPIX is configured as a PDM data input for channel 5 and channel + (PDMDIN3) + 7 - GPIX is configured as a PDM data input for channel 7 and channel + (PDMDIN4) + + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32-array + - minItems: 1 + maxItems: 4 + items: + maximum: 1 + default: [0, 0, 0, 0] + required: - compatible - reg @@ -101,6 +127,7 @@ examples: reg = <0x4c>; ti,mic-bias-source = <6>; ti,pdm-edge-select = <0 1 0 1>; + ti,gpi-config = <4 5 6 7>; reset-gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>; }; }; |