[PATCH v3 3/6] dt: bindings: add bindings for msa memory region

[Govind Singh <govinds-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>]

Add device tree binding documentation details of msa
memory region for ath10k qmi client for SDM845/APQ8098
SoC into "qcom,ath10k.txt".

Signed-off-by: Govind Singh <govinds-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
---
 .../bindings/net/wireless/qcom,ath10k.txt           | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
index 7fd4e8ce4149..87489054aea5 100644
--- a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
+++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
@@ -57,6 +57,16 @@ Optional properties:
 - <supply-name>-supply: handle to the regulator device tree node
 			   optional "supply-name" is "vdd-0.8-cx-mx".
 
+= SUBNODES:
+wcn3990-wifi node may contain one subnode, named "msa" representing
+the fixed msa memory regions used by the wifi firmware running in Q6.
+This sub-node must contain:
+
+- memory-region:
+	Usage: required
+	Value type: <phandle>
+	Definition: reference to the reserved-memory for the region
+
 Example (to supply the calibration data alone):
 
 In this example, the node is defined as child node of the PCI controller.
@@ -149,4 +159,7 @@ wifi@18000000 {
 			   <0 140 0 /* CE10 */ >,
 			   <0 141 0 /* CE11 */ >;
 		vdd-0.8-cx-mx-supply = <&pm8998_l5>;
+		msa {
+			memory-region = <&wifi_msa_mem>;
+		};
 };
-- 
2.17.0