| Message ID | 20240920-es7243e-adc-v2-1-0be019735b81@salutedevices.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add ES7243E ADC driver | expand |
On Fri, Sep 20, 2024 at 06:41:07PM +0300, Igor Prusov wrote: > + clocks: > + minItems: 2 > + maxItems: 2 > + clock-names: > + items: > + - const: sclk > + - const: lrclk This is quite weird and doesn't seem to correspond to the chip datasheet at: http://www.everest-semi.com/pdf/ES7243%20PB.pdf https://www.pawpaw.cn/media/documents/2022-04/ES7243E_DS_pawpaw%E6%9C%A8%E7%93%9C%E7%A7%91%E6%8A%80.pdf The SCLK and LRCLK appear to be the bit and frame sync clocks which would not normally be exposed directly via the clock API (so this is probably not going to be joined up with whatever SoC it's connected to). On the other hand there *is* a MCLK which would much more normally be represented in the DT bindings and isn't represented here or managed by the driver.
diff --git a/Documentation/devicetree/bindings/sound/everest,es7243e.yaml b/Documentation/devicetree/bindings/sound/everest,es7243e.yaml new file mode 100644 index 0000000000000000000000000000000000000000..6afb467f389a70ad406a0fd953448b83b39ed858 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/everest,es7243e.yaml @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/everest,es7243e.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Everest ES7243E audio ADC + +maintainers: + - Igor Prusov <ivprusov@salutedevices.com> + +allOf: + - $ref: dai-common.yaml# + +properties: + compatible: + const: everest,es7243e + + reg: + maxItems: 1 + + "#sound-dai-cells": + const: 0 + + clocks: + minItems: 2 + maxItems: 2 + + clock-names: + items: + - const: sclk + - const: lrclk + +required: + - compatible + - reg + - "#sound-dai-cells" + - clocks + - clock-names + +unevaluatedProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + es7243e: audio-codec@14 { + compatible = "everest,es7243e"; + reg = <0x14>; + #sound-dai-cells = <0>; + clocks = <&clk_audio_sclk>, + <&clk_audio_lrclk>; + clock-names = "sclk", "lrclk"; + }; + };
Add dt-bindings for Everest Semi ES7243E ADC. Signed-off-by: Igor Prusov <ivprusov@salutedevices.com> --- .../devicetree/bindings/sound/everest,es7243e.yaml | 56 ++++++++++++++++++++++ 1 file changed, 56 insertions(+)