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| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2015-06-08 15:19:56 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-06-08 20:56:16 +0300 |
| commit | 21e397bd90c303ea9fe18a1f63ddfa67c48f7150 (patch) | |
| tree | 29007a776d953b9e15e0e864d31ff55d96b94e58 /Documentation/devicetree/bindings/sound/tas2552.txt | |
| parent | b94525bfda1f2d1efc6e3cb0f33be2341ca67385 (diff) | |
| download | linux-21e397bd90c303ea9fe18a1f63ddfa67c48f7150.tar.xz | |
ASoC: tas2552: Update DT binding document regarding clock configuration
Add overview of tas2552's clock configuration and selection.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/sound/tas2552.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/tas2552.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/tas2552.txt b/Documentation/devicetree/bindings/sound/tas2552.txt index 55e2a0af5645..c49992c0b62a 100644 --- a/Documentation/devicetree/bindings/sound/tas2552.txt +++ b/Documentation/devicetree/bindings/sound/tas2552.txt @@ -14,6 +14,12 @@ Required properties: Optional properties: - enable-gpio - gpio pin to enable/disable the device +tas2552 can receive it's reference clock via MCLK, BCLK, IVCLKIN pin or use the +internal 1.8MHz. This CLKIN is used by the PLL. In addition to PLL, the PDM +reference clock is also selectable: PLL, IVCLKIN, BCLK or MCLK. +For system integration the dt-bindings/sound/tas2552.h header file provides +defined values to selct and configure the PLL and PDM reference clocks. + Example: tas2552: tas2552@41 { |