Re: [PATCH v2 01/11] ASoC: dt-bindings: add dt bindings for WCD9340/WCD9341 audio codec

From: Srinivas Kandagatla
Date: Mon Oct 28 2019 - 08:40:48 EST


Thanks Rob for the review.

On 25/10/2019 21:43, Rob Herring wrote:
On Fri, Oct 18, 2019 at 01:18:39AM +0100, Srinivas Kandagatla wrote:
This patch adds bindings for wcd9340/wcd9341 audio codec which can
support both SLIMbus and I2S/I2C interface.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
---
.../bindings/sound/qcom,wcd934x.yaml | 169 ++++++++++++++++++
1 file changed, 169 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml

diff --git a/Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml b/Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml
new file mode 100644
index 000000000000..299d6b96c339
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml
@@ -0,0 +1,169 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/qcom,wcd934x.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Bindings for Qualcomm WCD9340/WCD9341 Audio Codec
+
+maintainers:
+ - Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
+
+description: |
+ Qualcomm WCD9340/WCD9341 Codec is a standalone Hi-Fi audio codec IC.
+ It has in-built Soundwire controller, pin controller, interrupt mux and
+ supports both I2S/I2C and SLIMbus audio interfaces.
+
+properties:
+ compatible:
+ const: slim217,250
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ reset-gpios:
+ description: GPIO spec for reset line to use
+ maxItems: 1
+
+ slim-ifc-dev:
+ description: SLIMBus Interface device phandle

phandle or...

Its Phandle.

something like this is okay?

slim-ifc-dev:
$ref: '/schemas/types.yaml#/definitions/phandle-array'
description: SLIMBus Interface device phandle



+ maxItems: 1

array?

Needs a type if a phandle.

+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ const: extclk
+
+ vdd-buck-supply:
+ description: A reference to the 1.8V buck supply
+
+ vdd-buck-sido-supply:
+ description: A reference to the 1.8V SIDO buck supply
+
+ vdd-rx-supply:
+ description: A reference to the 1.8V rx supply
+
+ vdd-tx-supply:
+ description: A reference to the 1.8V tx supply
+
+ vdd-vbat-supply:
+ description: A reference to the vbat supply
+
+ vdd-io-supply:
+ description: A reference to the 1.8V I/O supply
+
+ vdd-micbias-supply:
+ description: A reference to the micbias supply
+
+ qcom,micbias1-millivolt:

The standard unit is '-microvolt'

+ description: Voltage betwee 1800mv-2850mv for micbias1 output

typo...

Yep, will fix this and also move to standard unit microvolt

Sounds like constraints.

+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32

With standard units, you can drop the type.

+
+ qcom,micbias2-millivolt:
+ description: Voltage betwee 1800mv-2850mv for micbias2 output
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+
+ qcom,micbias3-millivolt:
+ description: Voltage betwee 1800mv-2850mv for micbias3 output
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+
+ qcom,micbias4-millivolt:
+ description: Voltage betwee 1800mv-2850mv for micbias4 output
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+
+ clock-output-names:
+ const: mclk
+
+ clock-frequency:
+ description: Clock frequency of output clk in Hz
+
+ interrupt-controller: true
+
+ '#interrupt-cells':
+ const: 1
+
+ '#clock-cells':
+ const: 0
+
+ '#sound-dai-cells':
+ const: 1
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 1
+
+patternProperties:
+ "^.*@[0-9a-f]+$":
+ type: object
+ description: |
+ WCD934x subnode for each slave devices. Bindings of each subnodes
+ depends on the specific driver providing the functionality and
+ documented in there respective bindings.

s/there/their/

will fix this in next version!

thanks,
srini