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author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-04-12 12:57:19 (GMT) |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-04-12 12:57:19 (GMT) |
commit | 5b9fd76972836272afba57404d2662627926165b (patch) | |
tree | f2030de5b09807083b1fc4d1cd6a45db9c27aa50 /Documentation | |
parent | eeb7f91e3511d2b1338b3fae915e800d781627f8 (diff) | |
parent | 28dbd1611f5701c9b5b8c07924c1bd2ad6f64435 (diff) | |
download | linux-5b9fd76972836272afba57404d2662627926165b.tar.xz |
Merge remote-tracking branch 'asoc/topic/tas5086' into asoc-next
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/sound/ti,tas5086.txt | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/ti,tas5086.txt b/Documentation/devicetree/bindings/sound/ti,tas5086.txt new file mode 100644 index 0000000..8ea4f5b --- /dev/null +++ b/Documentation/devicetree/bindings/sound/ti,tas5086.txt @@ -0,0 +1,32 @@ +Texas Instruments TAS5086 6-channel PWM Processor + +Required properties: + + - compatible: Should contain "ti,tas5086". + - reg: The i2c address. Should contain <0x1b>. + +Optional properties: + + - reset-gpio: A GPIO spec to define which pin is connected to the + chip's !RESET pin. If specified, the driver will + assert a hardware reset at probe time. + + - ti,charge-period: This property should contain the time in microseconds + that closely matches the external single-ended + split-capacitor charge period. The hardware chip + waits for this period of time before starting the + PWM signals. This helps reduce pops and clicks. + + When not specified, the hardware default of 1300ms + is retained. + +Examples: + + i2c_bus { + tas5086@1b { + compatible = "ti,tas5086"; + reg = <0x1b>; + reset-gpio = <&gpio 23 0>; + ti,charge-period = <156000>; + }; + }; |