From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kevin Cernekee Subject: [PATCH V4 3/5] ASoC: tas571x: Add DT binding document Date: Tue, 5 May 2015 15:14:15 -0700 Message-ID: <1430864057-3848-4-git-send-email-cernekee@chromium.org> References: <1430864057-3848-1-git-send-email-cernekee@chromium.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1430864057-3848-1-git-send-email-cernekee@chromium.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: lgirdwood@gmail.com, broonie@kernel.org Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, lars@metafoo.de, abrestic@chromium.org, linux-kernel@vger.kernel.org, dgreid@chromium.org, olofj@chromium.org List-Id: devicetree@vger.kernel.org Document the bindings for the soon-to-be-added tas571x driver. Signed-off-by: Kevin Cernekee --- .../devicetree/bindings/sound/tas571x.txt | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/tas571x.txt diff --git a/Documentation/devicetree/bindings/sound/tas571x.txt b/Documentation/devicetree/bindings/sound/tas571x.txt new file mode 100644 index 000000000000..0ac31d8d5ac4 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/tas571x.txt @@ -0,0 +1,41 @@ +Texas Instruments TAS5711/TAS5717/TAS5719 stereo power amplifiers + +The codec is controlled through an I2C interface. It also has two other +signals that can be wired up to GPIOs: reset (strongly recommended), and +powerdown (optional). + +Required properties: + +- compatible: "ti,tas5711", "ti,tas5717", or "ti,tas5719" +- reg: The I2C address of the device +- #sound-dai-cells: must be equal to 0 + +Optional properties: + +- reset-gpios: GPIO specifier for the TAS571x's active low reset line +- pdn-gpios: GPIO specifier for the TAS571x's active low powerdown line +- clocks: clock phandle for the MCLK input +- clock-names: should be "mclk" +- AVDD-supply: regulator phandle for the AVDD supply (all chips) +- DVDD-supply: regulator phandle for the DVDD supply (all chips) +- HPVDD-supply: regulator phandle for the HPVDD supply (5717/5719) +- PVDD_AB-supply: regulator phandle for the PVDD_AB supply (5717/5719) +- PVDD_CD-supply: regulator phandle for the PVDD_CD supply (5717/5719) +- PVDD_A-supply: regulator phandle for the PVDD_A supply (5711) +- PVDD_B-supply: regulator phandle for the PVDD_B supply (5711) +- PVDD_C-supply: regulator phandle for the PVDD_C supply (5711) +- PVDD_D-supply: regulator phandle for the PVDD_D supply (5711) + +Example: + + tas5717: audio-codec@2a { + compatible = "ti,tas5717"; + reg = <0x2a>; + #sound-dai-cells = <0>; + + reset-gpios = <&gpio5 1 GPIO_ACTIVE_LOW>; + pdn-gpios = <&gpio5 2 GPIO_ACTIVE_LOW>; + + clocks = <&clk_core CLK_I2S>; + clock-names = "mclk"; + }; -- 2.2.0.rc0.207.ga3a616c