From: "Cormier, Jonathan" <jcormier@criticallink.com>
To: Liam Girdwood <lgirdwood@gmail.com>, devicetree@vger.kernel.org
Cc: Bob Duke <bduke@criticallink.com>,
Mike Williamson <michael.williamson@criticallink.com>,
Greg Gluszek <greg.gluszek@criticallink.com>,
Rob Herring <robh+dt@kernel.org>, Mark Brown <broonie@linaro.org>,
Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
Peter Ujfalusi <peter.ujfalusi@ti.com>,
Jyri Sarha <jsarha@ti.com>,
Misael Lopez Cruz <misael.lopez@ti.com>,
alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2 2/7] dt-bindings: ASoC: tlv320aic26: Add device tree binding
Date: Thu, 21 Mar 2019 18:15:44 -0400 [thread overview]
Message-ID: <20190321221549.13765-3-jcormier@criticallink.com> (raw)
In-Reply-To: <20190321221549.13765-1-jcormier@criticallink.com>
Add support for the TI tlv320aic26 sound codec
Signed-off-by: Cormier, Jonathan <jcormier@criticallink.com>
---
.../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 - <int> - 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>;
+ };
+};
--
2.21.0
next prev parent reply other threads:[~2019-03-21 22:16 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-21 22:15 [PATCH v2 0/7] ASoC: tlv320aic26: Add device tree support and bug fixes Cormier, Jonathan
2019-03-21 22:15 ` [PATCH v2 1/7] ASoC: tlv320aic26: Allow tlv320aic26 to be selected in menuconfig Cormier, Jonathan
2019-03-21 22:15 ` Cormier, Jonathan [this message]
2019-03-31 6:41 ` [PATCH v2 2/7] dt-bindings: ASoC: tlv320aic26: Add device tree binding Rob Herring
2019-03-21 22:15 ` [PATCH v2 3/7] " Cormier, Jonathan
2019-03-21 22:15 ` [PATCH v2 4/7] ASoC: tlv320aic26: Fix module autoload Cormier, Jonathan
2019-03-21 22:15 ` [PATCH v2 5/7] ASoC: tlv320aic26: Fix regmap by setting reg_defaults and reg_stride Cormier, Jonathan
2019-03-21 22:15 ` [PATCH v2 6/7] ASoC: tlv320aic26: hw_params was unintentionally clearing AIC26 master mode Cormier, Jonathan
2019-03-21 22:15 ` [PATCH v2 7/7] ASoC: tlv320aic26: Change Capture Mute to Capture Switch to match alsa documentation Cormier, Jonathan
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