[PATCH 1/2] ASoC: pcm512x: Adds bindings for TAS575x devices

The TAS5754/6 power amplifiers use the same pcm512x driver with only minor restictions described in the bindings document.

Signed-off-by: Joerg Schambacher joerg.hifiberry@gmail.com --- .../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 = <&reg_3v3_analog>; + DVDD-supply = <&reg_1v8>; + CPVDD-supply = <&reg_3v3>; + + clocks = <&sck>; + pll-in = <1>; + pll-out = <2>; + };