linux-kernel - [PATCH 2/3] dt-bindings: net: bluetooth: Add qualcomm-bluetooth

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Message-Id: <20180313160326.18180-3-thierry.escande@linaro.org>
Date:   Tue, 13 Mar 2018 17:03:25 +0100
From:   Thierry Escande <thierry.escande@...aro.org>
To:     Rob Herring <robh+dt@...nel.org>,
        Andy Gross <andy.gross@...aro.org>,
        Marcel Holtmann <marcel@...tmann.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        David Brown <david.brown@...aro.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        linux-bluetooth@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] dt-bindings: net: bluetooth: Add qualcomm-bluetooth

Add binding document for serial bluetooth chips using Qualcomm protocol.

Signed-off-by: Thierry Escande <thierry.escande@...aro.org>
---
 .../devicetree/bindings/net/qualcomm-bluetooth.txt | 34 ++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt

diff --git a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
new file mode 100644
index 000000000000..288cf062e906
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
@@ -0,0 +1,34 @@
+Qualcomm Bluetooth Chips
+---------------------
+
+This documents the binding structure and common properties for serial
+attached Qualcomm devices.
+
+Serial attached Qualcomm devices shall be a child node of the host UART
+device the slave device is attached to.
+
+Required properties:
+
+ - compatible: should contain one of the following:
+   * "qcom,qca6174-bt"
+
+Optional properties:
+
+ - bt-disable-n-gpios: GPIO specifier, used to enable chip during probe
+
+Example:
+
+serial@...0000 {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&blsp1_uart1_default>;
+	pinctrl-1 = <&blsp1_uart1_sleep>;
+
+	bluetooth {
+		compatible = "qcom,qca6174-bt";
+
+		bt-disable-n-gpios = <&pm8994_gpios 19 GPIO_ACTIVE_HIGH>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&bt_en_pin_a>, <&divclk4_pin_a>;
+	};
+};
-- 
2.14.1