Add 'qcom/bt/' from BTFM.LA.1.0.r1-06600-pakala.0 of https://git.codelinaro.org/clo/la/platform/vendor/qcom-opensource/bt-devicetree

git-subtree-dir: qcom/bt
git-subtree-mainline: 859bb7cd14
git-subtree-split: cb9f7d1bbb

qcom/bt/bindings/bluetooth/btfm_slim.txt

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+* BTFM Slimbus Slave Driver
+BTFM Slimbus Slave driver configure and initialize slimbus slave device.
+Bluetooth A2DP, SCO and FM Audio data is transferred over slimbus interface.
+
+Required properties:
+	- compatible: Should be set to the following where 217 is manufacture id and 221 is prod id:
+		ex. HSP elmental address is 0x000120021702
+	compatible = "slim217,221"
+	- reg should be filled as per specs
+	reg = <1 0>;
+
+Example:
+	slimbus: btfmslim-driver {
+		compatible = "slim217,221";
+		reg = <1 0>;
+	};

qcom/bt/bindings/bluetooth/btpower.txt

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+* Bluetooth Controller
+Bluetooth controller communicates with the Bluetooth Host using HCI Transport
+layer. HCI Transport layer can be based on UART or USB serial communication
+protocol.
+
+Required properties:
+- compatible: "qcom,<chip>"
+	chip: Should be set to one of the following:
+		qcom,qca6174
+		qcom,wcn3990
+		qcom,qca6390
+		qcom,qca6490
+                qcom,kiwi
+	- qcom,bt-reset-gpio: GPIO pin to bring BT Controller out of reset
+
+Optional properties:
+	-	qcom,xo-clk-gpio: GPIO for enabling clock at bootstrap
+	- qcom,bt-vdd-pa-supply: Bluetooth VDD PA regulator handle
+	- qcom,bt-vdd-io-supply: Bluetooth VDD IO regulator handle
+	- qcom,bt-vdd-ldo-supply: Bluetooth VDD LDO regulator handle. Kept under
+		optional parameters as some of the chipsets doesn't require ldo
+		or it may use from same vddio.
+	- qcom,bt-vdd-xtal-supply: Bluetooth VDD XTAL regulator handle
+	- qcom,bt-vdd-core-supply: Bluetooth VDD CORE regulator handle
+	- qcom,bt-vdd-asd-supply: Bluetooth VDD regulator handle for antenna switch
+	- reg: Memory regions defined as starting address and size
+	- reg-names: Names of the memory regions defined in reg entry
+    diversity.
+	- qcom,bt-chip-pwd-supply: Chip power down gpio is required when bluetooth
+		module and other modules like wifi co-exist in a singe chip and
+		shares a common gpio to bring chip out of reset.
+  - qcom,<supply>-config: Specifies voltage/current levels for supply. Should specified
+                          in pairs (min, max), units uV.  There can be optional
+                          load in curr, unit uA. Last entry specifies if the retention
+                          mode is supported for the regulator.
+  - mboxes: Specifies mbox channel data for AOP messaging
+  - qcom,vreg_ipa: Specifies Voltage regulator used for QCA6490 Internal Power
+                   Amp config
+
+Example:
+	bluetooth: bt_qca6490 {
+		compatible = "qcom,qca6390", "qcom,qca6490";
+		pinctrl-names = "default";
+		pinctrl-0 = <&bt_en_sleep>;
+		qcom,bt-reset-gpio = <&tlmm 81 0>; /* BT_EN */
+		qcom,wl-reset-gpio = <&tlmm 80 0>; /* WL_EN */
+		qcom,bt-sw-ctrl-gpio = <&tlmm 82 0>; /* SW_CTRL */
+		qcom,bt-xo-clk-gpio = <&tlmm 204 0>; /* XO */
+		qcom,bt-vdd-aon-supply = <&S11B>;
+		qcom,bt-vdd-dig-supply = <&S11B>;
+		qcom,bt-vdd-rfa1-supply = <&S1C>;
+		qcom,bt-vdd-rfa2-supply = <&S12B>;
+		qcom,bt-vdd-asd-supply = <&L7E>;
+
+		qcom,bt-vdd-aon-config = <966000 966000 0  1>;
+		qcom,bt-vdd-dig-config = <966000 966000 0  1>;
+		qcom,bt-vdd-rfa1-config = <1880000 1880000 0  1>;
+		qcom,bt-vdd-rfa2-config = <1350000 1350000 0  1>;
+		qcom,bt-vdd-asd-config = <2800000 2800000 0  1>;
+	};

qcom/bt/bindings/bt-fm/rtc6226_fm.txt

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+Richwave FM radio device
+
+-FM RX playback with RDS
+FM signal is demodulated then audio L/R samples are sent to external audio codec.
+FM Rx RDS data received sent to host processor on I2C.
+
+Required Properties:
+- compatible: "rtc6226"
+
+Example:
+	rtc6226 {
+		compatible = "rtc6226";
+	};