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Subject[PATCH 1/2] bindings: sound: davinci-mcasp: Add support for optional auxclk-fs-ratio
Date
When McASP is bus master it's reference clock (AUXCLK) might not be a
static clock, but running at a specific FS ratio.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
---
.../devicetree/bindings/sound/davinci-mcasp-audio.txt | 3 +++
1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt b/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt
index a58f79f5345c..c483dcec01f8 100644
--- a/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt
+++ b/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt
@@ -44,6 +44,9 @@ Optional properties:
please refer to pinctrl-bindings.txt
- fck_parent : Should contain a valid clock name which will be used as parent
for the McASP fck
+- auxclk-fs-ratio: When McASP is bus master indicates the ratio between AUCLK
+ and FS rate if applicable:
+ AUCLK rate = auxclk-fs-ratio * FS rate

Optional GPIO support:
If any McASP pin need to be used as GPIO then the McASP node must have:
--
Peter
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki

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