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[213.45.9.252]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-4a18bf135fasm45503605e9.5.2026.10.09.04.13.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Oct 2026 04:13:45 -0700 (PDT) From: Christian Marangi To: Christian Marangi , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jaroslav Kysela , Takashi Iwai , Philipp Zabel , linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 1/2] ASoC: dt-bindings: airoha: Add AN7581 PCM controller Date: Fri, 9 Oct 2026 13:13:31 +0200 Message-ID: <20261009111334.23522-2-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20261009111334.23522-1-ansuelsmth@gmail.com> References: <20261009111334.23522-1-ansuelsmth@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The Airoha AN7581 SoC provides a PCM interface for VoIP applications, supporting playback and capture at sample rates of 8 kHz and 16 kHz. The driver configures the PCM bit clock to 2.048 MHz and supports 8-bit and 16-bit samples, with up to 32 channels. Document the related compatible and required interrupt/reset and provide an example for it. Signed-off-by: Christian Marangi --- .../bindings/sound/airoha,an7581-pcm.yaml | 52 +++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/airoha,an7581-pcm.yaml diff --git a/Documentation/devicetree/bindings/sound/airoha,an7581-pcm.yaml b/Documentation/devicetree/bindings/sound/airoha,an7581-pcm.yaml new file mode 100644 index 000000000000..e73236453b88 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/airoha,an7581-pcm.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/airoha,an7581-pcm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Airoha PCM controller for AN7581 SoC + +maintainers: + - Christian Marangi + +properties: + compatible: + const: airoha,an7581-pcm + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + resets: + maxItems: 1 + + reset-names: + const: pcm1 + +required: + - compatible + - reg + - interrupts + - resets + - reset-names + +additionalProperties: false + +examples: + - | + #include + #include + #include + + pcm@1fbd0000 { + compatible = "airoha,an7581-pcm"; + reg = <0x1fbd0000 0x10000>; + + interrupts = ; + resets = <&scuclk EN7581_PCM1_RST>; + reset-names = "pcm1"; + }; + +... -- 2.55.0