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Mon, 19 Oct 2026 03:14:10 -0700 (PDT) From: Svyatoslav Ryhel To: Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jaroslav Kysela , Takashi Iwai , Svyatoslav Ryhel Cc: linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/2] ASoC: dt-bindings: Document FM34NE DSP Date: Mon, 19 Oct 2026 13:13:55 +0300 Message-ID: <20261019101357.117462-2-clamor95@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261019101357.117462-1-clamor95@gmail.com> References: <20261019101357.117462-1-clamor95@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Document the FM34NE DSP based voice processor used in the ASUS Transformer devices. Signed-off-by: Svyatoslav Ryhel --- .../bindings/dsp/asus,tf201-dsp.yaml | 77 +++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 Documentation/devicetree/bindings/dsp/asus,tf201-dsp.yaml diff --git a/Documentation/devicetree/bindings/dsp/asus,tf201-dsp.yaml b/Documentation/devicetree/bindings/dsp/asus,tf201-dsp.yaml new file mode 100644 index 0000000000000..46308a462af16 --- /dev/null +++ b/Documentation/devicetree/bindings/dsp/asus,tf201-dsp.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dsp/asus,tf201-dsp.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Fortemedia FM34NE based voice processor + +description: + Fortemedia FM34NE is a hardware voice processor (DSP — Digital Signal + Processor) designed by Fortemedia. It specializes in real-time audio + processing, focusing on noise suppression and echo cancellation. + +maintainers: + - Svyatoslav Ryhel + +allOf: + - $ref: dai-common.yaml# + +properties: + compatible: + enum: + - asus,sl101-dsp + - asus,tf101-dsp + - asus,tf201-dsp + - asus,tf300t-dsp + - asus,tf700t-dsp + - pegatron,chagall-dsp + + reg: + maxItems: 1 + + clocks: + items: + - description: Master clock to the DSP + + reset-gpios: + maxItems: 1 + + bypass-gpios: + maxItems: 1 + description: Signal that switches DSP into programming mode. + + vdd-supply: true + + port: + $ref: audio-graph-port.yaml# + unevaluatedProperties: false + +required: + - compatible + - reg + - bypass-gpios + +unevaluatedProperties: false + +examples: + - | + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + codec@60 { + compatible = "asus,tf201-dsp"; + reg = <0x60>; + + clocks = <&fm34ne_clk>; + + bypass-gpios = <&gpio 222 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio 115 GPIO_ACTIVE_LOW>; + + vdd-supply = <&vdd_1v8_dsp>; + }; + }; +... -- 2.53.0