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dt-bindings: tlv320adcx140: Add GPIO config and drive config

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Add properties for configuring the General Purpose Input Output (GPIO).
There are 2 settings for GPIO, configuration and the output drive type.

Signed-off-by: Camel Guo <camelg@axis.com>
Acked-by: Dan Murphy <dmurphy@ti.com>
Link: https://lore.kernel.org/r/20200918114025.18205-1-camel.guo@axis.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Camel Guo 2020-09-18 13:40:24 +02:00 committed by Mark Brown
parent 41cfc734ab
commit 15b3d324c8
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GPG Key ID: 24D68B725D5487D0
1 changed files with 44 additions and 0 deletions
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Documentation/devicetree/bindings/sound/tlv320adcx140.yaml
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@ -140,6 +140,49 @@ patternProperties:
4d - Drive weak low and active high
5d - Drive Hi-Z and active high
ti,gpio-config:
description: |
Defines the configuration and output drive for the General Purpose
Input and Output pin (GPIO1). Its value is a pair, the first value is for
the configuration type and the second value is for the output drive
type. The array is defined as <GPIO1_CFG GPIO1_DRV>
configuration for the GPIO pin can be one of the following:
0 - disabled
1 - GPIO1 is configured as a general-purpose output (GPO)
2 - (default) GPIO1 is configured as a device interrupt output (IRQ)
3 - GPIO1 is configured as a secondary ASI output (SDOUT2)
4 - GPIO1 is configured as a PDM clock output (PDMCLK)
8 - GPIO1 is configured as an input to control when MICBIAS turns on or
off (MICBIAS_EN)
9 - GPIO1 is configured as a general-purpose input (GPI)
10 - GPIO1 is configured as a master clock input (MCLK)
11 - GPIO1 is configured as an ASI input for daisy-chain (SDIN)
12 - GPIO1 is configured as a PDM data input for channel 1 and channel 2
(PDMDIN1)
13 - GPIO1 is configured as a PDM data input for channel 3 and channel 4
(PDMDIN2)
14 - GPIO1 is configured as a PDM data input for channel 5 and channel 6
(PDMDIN3)
15 - GPIO1 is configured as a PDM data input for channel 7 and channel 8
(PDMDIN4)
output drive type for the GPIO pin can be one of the following:
0 - Hi-Z output
1 - Drive active low and active high
2 - (default) Drive active low and weak high
3 - Drive active low and Hi-Z
4 - Drive weak low and active high
5 - Drive Hi-Z and active high
allOf:
- $ref: /schemas/types.yaml#/definitions/uint32-array
- minItems: 2
maxItems: 2
items:
maximum: 15
default: [2, 2]
required:
- compatible
- reg
@ -156,6 +199,7 @@ examples:
ti,mic-bias-source = <6>;
ti,pdm-edge-select = <0 1 0 1>;
ti,gpi-config = <4 5 6 7>;
ti,gpio-config = <10 2>;
ti,gpo-config-1 = <0 0>;
ti,gpo-config-2 = <0 0>;
reset-gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;