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Thu, 07 Sep 2023 07:10:18 -0700 (PDT) From: Joerg Schambacher To: Cc: a-krasser@ti.com, joerg@hifiberry.com, Joerg Schambacher , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] ASoC: pcm512x: Adds bindings for TAS575x devices Date: Thu, 7 Sep 2023 18:08:51 +0200 Message-Id: <20230907160851.14241-1-joerg.hifiberry@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-MailFrom: joerg.hifiberry@gmail.com X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1 Message-ID-Hash: MXTZJ5CAAGEFF6E3UARKIG4TOOUFUJE4 X-Message-ID-Hash: MXTZJ5CAAGEFF6E3UARKIG4TOOUFUJE4 X-Mailman-Approved-At: Thu, 07 Sep 2023 14:46:57 +0000 X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: The TAS5754/6 power amplifiers use the same pcm512x driver with only minor restictions described in the bindings document. Signed-off-by: Joerg Schambacher --- .../devicetree/bindings/sound/pcm512x.txt | 22 +++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/sound/pcm512x.txt b/Documentation/devicetree/bindings/sound/pcm512x.txt index 3aae3b41bd8e..b16cd0463695 100644 --- a/Documentation/devicetree/bindings/sound/pcm512x.txt +++ b/Documentation/devicetree/bindings/sound/pcm512x.txt @@ -1,12 +1,12 @@ -PCM512x audio CODECs +PCM512x and TAS575x audio CODECs/amplifiers These devices support both I2C and SPI (configured with pin strapping -on the board). +on the board). The TAS575x devices only support I2C. Required properties: - - compatible : One of "ti,pcm5121", "ti,pcm5122", "ti,pcm5141" or - "ti,pcm5142" + - compatible : One of "ti,pcm5121", "ti,pcm5122", "ti,pcm5141", + "ti,pcm5142", "ti,tas5754" or "ti,tas5756" - reg : the I2C address of the device for I2C, the chip select number for SPI. @@ -25,6 +25,7 @@ Optional properties: through <6>. The device will be configured for clock input on the given pll-in pin and PLL output on the given pll-out pin. An external connection from the pll-out pin to the SCLK pin is assumed. + Caution: the TAS-desvices only support gpios 1,2 and 3 Examples: @@ -50,3 +51,16 @@ Examples: pll-in = <3>; pll-out = <6>; }; + + tas5756: tas5756@4f { + compatible = "ti,tas5756"; + reg = <0x4f>; + + AVDD-supply = <®_3v3_analog>; + DVDD-supply = <®_1v8>; + CPVDD-supply = <®_3v3>; + + clocks = <&sck>; + pll-in = <1>; + pll-out = <2>; + };