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author | Peter Ujfalusi | 2015-06-08 07:19:56 -0500 |
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committer | Mark Brown | 2015-06-08 12:56:16 -0500 |
commit | 21e397bd90c303ea9fe18a1f63ddfa67c48f7150 (patch) | |
tree | 29007a776d953b9e15e0e864d31ff55d96b94e58 /Documentation/devicetree/bindings/sound/tas2552.txt | |
parent | b94525bfda1f2d1efc6e3cb0f33be2341ca67385 (diff) | |
download | ti-linux-kernel-21e397bd90c303ea9fe18a1f63ddfa67c48f7150.tar.gz ti-linux-kernel-21e397bd90c303ea9fe18a1f63ddfa67c48f7150.tar.xz ti-linux-kernel-21e397bd90c303ea9fe18a1f63ddfa67c48f7150.zip |
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: | |||
14 | Optional properties: | 14 | Optional properties: |
15 | - enable-gpio - gpio pin to enable/disable the device | 15 | - enable-gpio - gpio pin to enable/disable the device |
16 | 16 | ||
17 | tas2552 can receive it's reference clock via MCLK, BCLK, IVCLKIN pin or use the | ||
18 | internal 1.8MHz. This CLKIN is used by the PLL. In addition to PLL, the PDM | ||
19 | reference clock is also selectable: PLL, IVCLKIN, BCLK or MCLK. | ||
20 | For system integration the dt-bindings/sound/tas2552.h header file provides | ||
21 | defined values to selct and configure the PLL and PDM reference clocks. | ||
22 | |||
17 | Example: | 23 | Example: |
18 | 24 | ||
19 | tas2552: tas2552@41 { | 25 | tas2552: tas2552@41 { |