From: Dan Murphy <dmurphy@ti.com>
To: <lgirdwood@gmail.com>, <broonie@kernel.org>, <perex@perex.cz>,
<tiwai@suse.com>
Cc: <alsa-devel@alsa-project.org>, <linux-kernel@vger.kernel.org>,
<devicetree@vger.kernel.org>, Dan Murphy <dmurphy@ti.com>
Subject: [PATCH 1/2] dt-bindings: sound: tlv320adcx140: Add GPI config property
Date: Tue, 26 May 2020 15:09:16 -0500 [thread overview]
Message-ID: <20200526200917.10385-1-dmurphy@ti.com> (raw)
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>
---
.../bindings/sound/tlv320adcx140.yaml | 27 +++++++++++++++++++
1 file changed, 27 insertions(+)
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>;
};
};
--
2.26.2
next reply other threads:[~2020-05-26 20:09 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-26 20:09 Dan Murphy [this message]
2020-05-26 20:09 ` [PATCH 2/2] ASoC: tlv320adcx140: Add support for configuring GPI pins Dan Murphy
2020-05-27 14:58 ` [PATCH 1/2] dt-bindings: sound: tlv320adcx140: Add GPI config property Mark Brown
2020-05-28 14:05 ` Rob Herring
2020-05-28 14:20 ` Dan Murphy
2020-05-28 14:32 ` Rob Herring
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