[PATCH v2 04/12] dt-bindings: ASoC: Convert MediaTek RT5650 codecs bindings to DT schema
From: Ariel D'Alessandro <hidden>
Date: 2025-09-11 15:14:03
Also in:
dri-devel, linux-bluetooth, linux-devicetree, linux-gpio, linux-media, linux-mediatek, linux-rockchip, linux-sound, lkml, netdev
Subsystem:
open firmware and flattened device tree bindings, sound - soc layer / dynamic audio power management (asoc), the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Liam Girdwood, Mark Brown, Linus Torvalds
Convert the existing text-based DT bindings for Mediatek MT8173 RT5650 codecs to a DT schema. Signed-off-by: Ariel D'Alessandro <redacted> --- .../sound/mediatek,mt8173-rt5650.yaml | 73 +++++++++++++++++++ .../bindings/sound/mt8173-rt5650.txt | 31 -------- 2 files changed, 73 insertions(+), 31 deletions(-) create mode 100644 Documentation/devicetree/bindings/sound/mediatek,mt8173-rt5650.yaml delete mode 100644 Documentation/devicetree/bindings/sound/mt8173-rt5650.txt
diff --git a/Documentation/devicetree/bindings/sound/mediatek,mt8173-rt5650.yaml b/Documentation/devicetree/bindings/sound/mediatek,mt8173-rt5650.yaml
new file mode 100644
index 0000000000000..a3166cc40a206
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/mediatek,mt8173-rt5650.yaml@@ -0,0 +1,73 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/mediatek,mt8173-rt5650.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mediatek MT8173 with RT5650 codecs and HDMI via I2S + +maintainers: + - Ariel D'Alessandro <ariel.dalessandro@collabora.com> + +properties: + compatible: + const: mediatek,mt8173-rt5650 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + mediatek,audio-codec: + $ref: /schemas/types.yaml#/definitions/phandle-array + description: + The phandles of rt5650 codecs and of the HDMI encoder node. + minItems: 2 + + mediatek,platform: + $ref: /schemas/types.yaml#/definitions/phandle + description: + The phandle of MT8173 ASoC platform. + + mediatek,mclk: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + The MCLK source. + 0: external oscillator, MCLK = 12.288M + 1: internal source from mt8173, MCLK = sampling rate * 256 + + codec-capture: + description: Subnode of rt5650 codec capture. + type: object + + properties: + sound-dai: + maxItems: 1 + description: phandle of the CPU DAI + + additionalProperties: false + +required: + - compatible + - mediatek,audio-codec + - mediatek,platform + +additionalProperties: false + +examples: + - | + sound { + compatible = "mediatek,mt8173-rt5650"; + mediatek,audio-codec = <&rt5650 &hdmi0>; + mediatek,platform = <&afe>; + pinctrl-names = "default"; + pinctrl-0 = <&aud_i2s2>; + + mediatek,mclk = <1>; + codec-capture { + sound-dai = <&rt5650 1>; + }; + }; + +...
diff --git a/Documentation/devicetree/bindings/sound/mt8173-rt5650.txt b/Documentation/devicetree/bindings/sound/mt8173-rt5650.txt
deleted file mode 100644
index 29dce2ac8773a..0000000000000
--- a/Documentation/devicetree/bindings/sound/mt8173-rt5650.txt
+++ /dev/null@@ -1,31 +0,0 @@ -MT8173 with RT5650 CODECS and HDMI via I2S - -Required properties: -- compatible : "mediatek,mt8173-rt5650" -- mediatek,audio-codec: the phandles of rt5650 codecs - and of the hdmi encoder node -- mediatek,platform: the phandle of MT8173 ASoC platform - -Optional subnodes: -- codec-capture : the subnode of rt5650 codec capture -Required codec-capture subnode properties: -- sound-dai: audio codec dai name on capture path - <&rt5650 0> : Default setting. Connect rt5650 I2S1 for capture. (dai_name = rt5645-aif1) - <&rt5650 1> : Connect rt5650 I2S2 for capture. (dai_name = rt5645-aif2) - -- mediatek,mclk: the MCLK source - 0 : external oscillator, MCLK = 12.288M - 1 : internal source from mt8173, MCLK = sampling rate*256 - -Example: - - sound { - compatible = "mediatek,mt8173-rt5650"; - mediatek,audio-codec = <&rt5650 &hdmi0>; - mediatek,platform = <&afe>; - mediatek,mclk = <0>; - codec-capture { - sound-dai = <&rt5650 1>; - }; - }; -
--
2.50.1