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[v4,01/12] dt-bindings: SLIMBus: add slim devices optional properties

Message ID 20191121170509.10579-2-srinivas.kandagatla@linaro.org
State New
Headers show
Series ASoC: Add support to WCD9340/WCD9341 codec | expand

Commit Message

Srinivas Kandagatla Nov. 21, 2019, 5:04 p.m. UTC
This patch adds an optional SLIMBus Interface device phandle property
that could be used by some of the SLIMBus devices.

Interface device is mostly used with devices that are dealing
with streaming.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
 Documentation/devicetree/bindings/slimbus/bus.txt | 10 ++++++++++
 1 file changed, 10 insertions(+)

Comments

Rob Herring Nov. 23, 2019, 12:04 a.m. UTC | #1
On Thu, 21 Nov 2019 17:04:58 +0000, Srinivas Kandagatla wrote:
> This patch adds an optional SLIMBus Interface device phandle property
> that could be used by some of the SLIMBus devices.
> 
> Interface device is mostly used with devices that are dealing
> with streaming.
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> ---
>  Documentation/devicetree/bindings/slimbus/bus.txt | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 

Reviewed-by: Rob Herring <robh@kernel.org>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/slimbus/bus.txt b/Documentation/devicetree/bindings/slimbus/bus.txt
index 52fa6426388c..bbe871f82a8b 100644
--- a/Documentation/devicetree/bindings/slimbus/bus.txt
+++ b/Documentation/devicetree/bindings/slimbus/bus.txt
@@ -32,6 +32,10 @@  Required property for SLIMbus child node if it is present:
 	 	  Product Code, shall be in lower case hexadecimal with leading
 		  zeroes suppressed
 
+Optional property for SLIMbus child node if it is present:
+- slim-ifc-dev	- Should be phandle to SLIMBus Interface device.
+		  Required for devices which deal with streams.
+
 SLIMbus example for Qualcomm's slimbus manager component:
 
 	slim@28080000 {
@@ -43,8 +47,14 @@  SLIMbus example for Qualcomm's slimbus manager component:
 		#address-cells = <2>;
 		#size-cell = <0>;
 
+		codec_ifd: ifd@0,0{
+			compatible = "slim217,60";
+			reg = <0 0>;
+		};
+
 		codec: wcd9310@1,0{
 			compatible = "slim217,60";
 			reg = <1 0>;
+			slim-ifc-dev  = <&codec_ifd>;
 		};
 	};