linux-kernel - [PATCH v11 1/7] dt-bindings: net: bluetooth: Add device tree bindings for QTI chip wcn3990

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20180727141320.25218-2-bgodavar@bgodavar-linux.qualcomm.com>
Date:   Fri, 27 Jul 2018 19:43:14 +0530
From:   Balakrishna Godavarthi <bgodavar@...davar-linux.qualcomm.com>
To:     marcel@...tmann.org, johan.hedberg@...il.com, mka@...omium.org
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-bluetooth@...r.kernel.org, thierry.escande@...aro.org,
        rtatiya@...eaurora.org, hemantg@...eaurora.org,
        linux-arm-msm@...r.kernel.org,
        Balakrishna Godavarthi <bgodavar@...eaurora.org>
Subject: [PATCH v11 1/7] dt-bindings: net: bluetooth: Add device tree bindings for QTI chip wcn3990

From: Balakrishna Godavarthi <bgodavar@...eaurora.org>

This patch enables regulators for the Qualcomm Bluetooth wcn3990
controller.

Signed-off-by: Balakrishna Godavarthi <bgodavar@...eaurora.org>
Reviewed-by: Rob Herring <robh@...nel.org>
---
Changes in v11:
    * removed entries of regulator currents.

Changes in v10:
    * added entry for regulator currents

Changes in v9:
    * updated with latest reg handle and names.
    * updated max-speed definition. 

Changes in v8:
    * Separated the optional entries between two chips

Changes in v7:
    * no change.

Changes in v6:

    * Changed the oper-speed to max-speed.

Changes in v5:

    * Added entry for oper-speed and init-speed.

---
 .../bindings/net/qualcomm-bluetooth.txt       | 26 +++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
index 0ea18a53cc29..2175174415ee 100644
--- a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
+++ b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
@@ -10,12 +10,22 @@ device the slave device is attached to.
 Required properties:
  - compatible: should contain one of the following:
    * "qcom,qca6174-bt"
+   * "qcom,wcn3990-bt"
+
+Optional properties for compatible string qcom,qca6174-bt:
 
-Optional properties:
  - enable-gpios: gpio specifier used to enable chip
  - clocks: clock provided to the controller (SUSCLK_32KHZ)
 
-Example:
+Optional properties for compatible string qcom,wcn3990-bt:
+
+ - vddio-supply: Bluetooth wcn3990 VDD_IO supply regulator handle.
+ - vddxo-supply: Bluetooth wcn3990 VDD_XO supply regulator handle.
+ - vddrf-supply: Bluetooth wcn3990 VDD_RF supply regulator handle.
+ - vddch0-supply: Bluetooth wcn3990 VDD_CH0 supply regulator handle.
+ - max-speed: see Documentation/devicetree/bindings/serial/slave-device.txt
+
+Examples:
 
 serial@...0000 {
 	label = "BT-UART";
@@ -28,3 +38,15 @@ serial@...0000 {
 		clocks = <&divclk4>;
 	};
 };
+
+serial@...000 {
+	bluetooth {
+		compatible = "qcom,wcn3990-bt";
+
+		vddio-supply = <&vreg_s4a_1p8>;
+		vddxo-supply = <&vreg_l7a_1p8>;
+		vddrf-supply = <&vreg_l17a_1p3>;
+		vddch0-supply = <&vreg_l25a_3p3>;
+		max-speed = <3200000>;
+	};
+};
-- 
2.17.1