[PATCH] dt-bindings: sound: gtm601: add the broadmobi interface

From: Angus Ainslie (Purism)
Date: Mon Dec 23 2019 - 10:47:12 EST


The Broadmobi BM818 uses a different sample rate and channels from the
option modem.

Signed-off-by: Angus Ainslie (Purism) <angus@xxxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20191223154712.18581-3-angus@xxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
---
Documentation/devicetree/bindings/sound/gtm601.txt | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/sound/gtm601.txt b/Documentation/devicetree/bindings/sound/gtm601.txt
index 5efc8c068de0..efa32a486c4a 100644
--- a/Documentation/devicetree/bindings/sound/gtm601.txt
+++ b/Documentation/devicetree/bindings/sound/gtm601.txt
@@ -1,10 +1,16 @@
GTM601 UMTS modem audio interface CODEC

-This device has no configuration interface. Sample rate is fixed - 8kHz.
+This device has no configuration interface. The sample rate and channels are
+based on the compatible string
+ "option,gtm601" = 8kHz mono
+ "broadmobi,bm818" = 48KHz stereo

Required properties:

- - compatible : "option,gtm601"
+ - compatible : one of
+ "option,gtm601"
+ "broadmobi,bm818"
+

Example:

--
2.20.1