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From:   "Angus Ainslie (Purism)" <angus@akkea.ca>
To:     broonie@kernel.org
Cc:     Liam Girdwood <lgirdwood@gmail.com>, alsa-devel@alsa-project.org,
        linux-kernel@vger.kernel.org, kernel@puri.sm, robh@kernel.org,
        "Angus Ainslie (Purism)" <angus@akkea.ca>
Subject: [PATCH v4 2/2] dt-bindings: sound: gtm601: add the broadmobi interface
Date:   Mon, 23 Dec 2019 07:47:12 -0800
Message-Id: <20191223154712.18581-3-angus@akkea.ca>
In-Reply-To: <20191223154712.18581-1-angus@akkea.ca>
References: <20191223154712.18581-1-angus@akkea.ca>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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

Signed-off-by: Angus Ainslie (Purism) <angus@akkea.ca>
Reviewed-by: Rob Herring <robh@kernel.org>
---
 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:
 
-- 
2.17.1