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[72.90.70.109]) by smtp.gmail.com with ESMTPSA id w37sm3895968qtw.27.2019.03.21.15.15.57 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 21 Mar 2019 15:15:57 -0700 (PDT) From: "Cormier, Jonathan" To: Liam Girdwood , devicetree@vger.kernel.org Date: Thu, 21 Mar 2019 18:15:44 -0400 Message-Id: <20190321221549.13765-3-jcormier@criticallink.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190321221549.13765-1-jcormier@criticallink.com> References: <20190321221549.13765-1-jcormier@criticallink.com> MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org, Bob Duke , Mark Brown , linux-kernel@vger.kernel.org, Takashi Iwai , Rob Herring , Peter Ujfalusi , Mike Williamson , Jyri Sarha , Greg Gluszek , Misael Lopez Cruz Subject: [alsa-devel] [PATCH v2 2/7] dt-bindings: ASoC: tlv320aic26: Add device tree binding X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" X-Virus-Scanned: ClamAV using ClamSMTP Add support for the TI tlv320aic26 sound codec Signed-off-by: Cormier, Jonathan --- .../devicetree/bindings/sound/tlv320aic26.txt | 65 +++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/tlv320aic26.txt diff --git a/Documentation/devicetree/bindings/sound/tlv320aic26.txt b/Documentation/devicetree/bindings/sound/tlv320aic26.txt new file mode 100644 index 000000000000..93aa0f76ec0d --- /dev/null +++ b/Documentation/devicetree/bindings/sound/tlv320aic26.txt @@ -0,0 +1,65 @@ +Texas Instruments - tlv320aic26 Codec module + +The tlv320aic26 serial control bus communicates through I2C protocols + +Required properties: + +- compatible - "string" - One of: + "ti,tlv320aic26" - TLV320AIC26 +- reg - - SPI chip select + +CODEC input pins: + * MICIN + * AUX + +CODEC output pins: + * HPL + * HPR + +The pins can be used in referring sound node's audio-routing property. + +Example: + +tlv320aic26: tlv320aic26@0 { + compatible = "ti,tlv320aic26"; + reg = <0>; +}; + +&spi0 { + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&spi0_pins>; + pinctrl-1 = <&spi0_sleep_pins>; + + status = "okay"; + ti,pindir-d0-out-d1-in = <1>; + + tlv320aic26: tlv320aic26@1 { + compatible = "ti,tlv320aic26"; + reg = <0x1>; + status = "okay"; + + spi-max-frequency = <2000000>; + spi-cpha; + }; +}; + +sound { + compatible = "simple-audio-card"; + simple-audio-card,name = "AM335x_SND"; + simple-audio-card,format = "dsp_b"; + /* SND_SOC_DAIFMT_CBM_CFM */ + simple-audio-card,bitclock-master = <&tlv320aic26_codec>; + simple-audio-card,frame-master = <&tlv320aic26_codec>; + /* SND_SOC_DAIFMT_IB_NF */ + simple-audio-card,bitclock-inversion; + + simple-audio-card,cpu { + sound-dai = <&mcasp1>; + system-clock-frequency = <24576000>; + }; + + tlv320aic26_codec: simple-audio-card,codec { + sound-dai = <&tlv320aic26>; + system-clock-frequency = <24576000>; + }; +};