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Wed, 04 Nov 2026 04:33:06 -0800 (PST) Received: from xeon ([188.163.112.62]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-48fecac1caesm3509380f8f.17.2026.11.04.04.33.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Nov 2026 04:33:04 -0800 (PST) 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 v4 1/2] ASoC: dt-bindings: Document FM34NE DSP Date: Wed, 4 Nov 2026 14:32:46 +0200 Message-ID: <20261104123249.227920-2-clamor95@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261104123249.227920-1-clamor95@gmail.com> References: <20261104123249.227920-1-clamor95@gmail.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list 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 | 74 +++++++++++++++++++ 1 file changed, 74 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..8b39089c99a9d --- /dev/null +++ b/Documentation/devicetree/bindings/dsp/asus,tf201-dsp.yaml @@ -0,0 +1,74 @@ +# 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 + +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: /schemas/sound/audio-graph-port.yaml# + unevaluatedProperties: false + +required: + - compatible + - reg + - bypass-gpios + +unevaluatedProperties: false + +examples: + - | + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + dsp@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