2018-04-10 16:49:58

by Govind Singh

[permalink] [raw]
Subject: [PATCH v2 13/13] dt: bindings: add bindings for wcn3990 wifi block

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 <[email protected]>
---
.../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