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Date:   Fri, 18 Sep 2020 20:11:03 +0200
From:   Ansuel Smith <>
To:     Kalle Valo <>
Cc:     Ansuel Smith <>,
        "David S. Miller" <>,
        Jakub Kicinski <>,
        Rob Herring <>,,,,,
Subject: [PATCH v2 2/2] dt: bindings: ath10k: Document qcom,ath10k-pre-calibration-data-mtd

Document use of qcom,ath10k-pre-calibration-data-mtd bindings used to
define from where the driver will load the pre-cal data in the defined
mtd partition.

Signed-off-by: Ansuel Smith <>
 .../devicetree/bindings/net/wireless/qcom,ath10k.txt | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
index b61c2d5a0..568364243 100644
--- a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
+++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
@@ -15,9 +15,9 @@ and also uses most of the properties defined in this doc (except
 "qcom,ath10k-calibration-data"). It uses "qcom,ath10k-pre-calibration-data"
 to carry pre calibration data.
-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.
+In general, entry "qcom,ath10k-pre-calibration-data",
+"qcom,ath10k-calibration-data-mtd" 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".
@@ -63,6 +63,12 @@ Optional properties:
 				 hw versions.
 - qcom,ath10k-pre-calibration-data : pre calibration data as an array,
 				     the length can vary between hw versions.
+- qcom,ath10k-pre-calibration-data-mtd :
+	Usage: optional
+	Value type: <phandle offset size>
+	Definition: pre calibration data read from mtd partition. Take 3 value, the
+		    mtd to read data from, the offset in the mtd partition and the
+		    size of data to read.
 - <supply-name>-supply: handle to the regulator device tree node
 			   optional "supply-name" are "vdd-0.8-cx-mx",
 			   "vdd-1.8-xo", "vdd-1.3-rfa", "vdd-3.3-ch0",

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