Add device tree binding documentation details for wcn3990
wifi block present in Qualcomm SDM845/APQ8098 SoC into
"qcom,ath10k.txt".

Signed-off-by: Govind Singh <govi...@codeaurora.org>
---
 .../bindings/net/wireless/qcom,ath10k.txt          | 31 ++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt 
b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
index 3d2a031..34e4f98 100644
--- a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
+++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
@@ -4,6 +4,7 @@ Required properties:
 - compatible: Should be one of the following:
        * "qcom,ath10k"
        * "qcom,ipq4019-wifi"
+       * "qcom,wcn3990-wifi"
 
 PCI based devices uses compatible string "qcom,ath10k" and takes calibration
 data along with board specific data via "qcom,ath10k-calibration-data".
@@ -18,8 +19,12 @@ In general, entry "qcom,ath10k-pre-calibration-data" and
 "qcom,ath10k-calibration-data" conflict with each other and only one
 can be provided per device.
 
+SNOC based devices (i.e. wcn3990) uses compatible string "qcom,wcn3990-wifi".
+
 Optional properties:
 - reg: Address and length of the register set for the device.
+- reg-names: Must include the list of following reg names,
+            "membase"
 - resets: Must contain an entry for each entry in reset-names.
           See ../reset/reseti.txt for details.
 - reset-names: Must include the list of following reset names,
@@ -49,6 +54,8 @@ Optional properties:
                                 hw versions.
 - qcom,ath10k-pre-calibration-data : pre calibration data as an array,
                                     the length can vary between hw versions.
+- <supply-name>-supply: handle to the regulator device tree node
+                          optional "supply-name" is "vdd-0.8-cx-mx".
 
 Example (to supply the calibration data alone):
 
@@ -119,3 +126,27 @@ wifi0: wifi@a000000 {
        qcom,msi_base = <0x40>;
        qcom,ath10k-pre-calibration-data = [ 01 02 03 ... ];
 };
+
+Example (to supply wcn3990 SoC wifi block details):
+
+qcom,wifi@18000000 {
+               compatible = "qcom,wcn3990-wifi";
+               reg = <0x18800000 0x800000>;
+               reg-names = "membase";
+               clocks = <&clock_gcc clk_aggre2_noc_clk>;
+               clock-names = "smmu_aggre2_noc_clk"
+               interrupts =
+                          <0 130 0 /* CE0 */ >,
+                          <0 131 0 /* CE1 */ >,
+                          <0 132 0 /* CE2 */ >,
+                          <0 133 0 /* CE3 */ >,
+                          <0 134 0 /* CE4 */ >,
+                          <0 135 0 /* CE5 */ >,
+                          <0 136 0 /* CE6 */ >,
+                          <0 137 0 /* CE7 */ >,
+                          <0 138 0 /* CE8 */ >,
+                          <0 139 0 /* CE9 */ >,
+                          <0 140 0 /* CE10 */ >,
+                          <0 141 0 /* CE11 */ >;
+               vdd-0.8-cx-mx-supply = <&pm8998_l5>;
+};
-- 
1.9.1

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