linux-kernel - [PATCH v1 2/2] dt-bindings: net: bluetooth: Add device tree bindings for QTI chip wcn6750

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Date:   Thu, 11 Mar 2021 22:28:24 +0530
From:   Venkata Lakshmi Narayana Gubba <gubbaven@...eaurora.org>
To:     marcel@...tmann.org, johan.hedberg@...il.com
Cc:     devicetree@...r.kernel.org, mka@...omium.org,
        linux-kernel@...r.kernel.org, linux-bluetooth@...r.kernel.org,
        hemantg@...eaurora.org, linux-arm-msm@...r.kernel.org,
        bgodavar@...eaurora.org, rjliao@...eaurora.org,
        hbandi@...eaurora.org, abhishekpandit@...omium.org,
        Venkata Lakshmi Narayana Gubba <gubbaven@...eaurora.org>
Subject: [PATCH v1 2/2] dt-bindings: net: bluetooth: Add device tree bindings for QTI chip wcn6750

This patch enables regulators and gpios for the Qualcomm Bluetooth wcn6750
controller.

Signed-off-by: Venkata Lakshmi Narayana Gubba <gubbaven@...eaurora.org>
---
 .../devicetree/bindings/net/qualcomm-bluetooth.txt | 43 ++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
index 709ca6d..e70fcb7 100644
--- a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
+++ b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
@@ -15,6 +15,7 @@ Required properties:
    * "qcom,wcn3991-bt"
    * "qcom,wcn3998-bt"
    * "qcom,qca6390-bt"
+   * "qcom,wcn6750-bt"
 
 Optional properties for compatible string qcom,qca6174-bt:
 
@@ -39,6 +40,26 @@ Optional properties for compatible string qcom,wcn399x-bt:
  - firmware-name: specify the name of nvm firmware to load
  - clocks: clock provided to the controller
 
+Required properties for compatible string qcom,wcn6750-bt:
+
+ - enable-gpios: gpio specifier used to enable chip
+ - swctrl-gpios: gpio specifier is output from SoC,used to find status
+		 of clock supply to SoC.
+ - vddio-supply: VDD_IO supply regulator handle.
+ - vddaon-supply: VDD_AON supply regulator handle.
+ - vddbtcxmx-suppl: VDD_BT_CXMX supply regualtor handle.
+ - vddrfacmn-supply: VDD_RFA_CMN supply regulator handle.
+ - vddrfa0p8-supply: VDD_RFA_0P8 suppply regulator handle.
+ - vddrfa1p7-supply: VDD_RFA_1P7 supply regulator handle.
+ - vddrfa1p2-supply: VDD_RFA_1P2 supply regulator handle.
+ - vddrfa2p2-supply: VDD_RFA_2P2 supply regulator handle.
+ - vddasd-supply: VDD_ASD supply regulator handle.
+
+Optional properties for compatible string qcom,wcn6750-bt:
+
+ - max-speed: see Documentation/devicetree/bindings/serial/serial.yaml
+ - firmware-name: specify the name of nvm firmware to load
+
 Examples:
 
 serial@...0000 {
@@ -67,3 +88,25 @@ serial@...000 {
 		clocks = <&rpmhcc RPMH_RF_CLK2>;
 	};
 };
+
+serial@...000 {
+	bluetooth {
+		compatible = "qcom,wcn6750-bt";
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&bt_en_default>;
+		enable-gpios = <&tlmm 85 GPIO_ACTIVE_HIGH>;
+		swctrl-gpios = <&tlmm 86 GPIO_ACTIVE_HIGH>;
+		vddio-supply = <&vreg_l19b_1p8>;
+		vddaon-supply = <&vreg_s7b_0p9>;
+		vddbtcxmx-supply = <&vreg_s7b_0p9>;
+		vddrfacmn-supply = <&vreg_s7b_0p9>;
+		vddrfa0p8-supply = <&vreg_s7b_0p9>;
+		vddrfa1p7-supply = <&vreg_s1b_1p8>;
+		vddrfa1p2-supply = <&vreg_s8b_1p2>;
+		vddrfa2p2-supply = <&vreg_s1c_2p2>;
+		vddasd-supply = <&vreg_l11c_2p8>;
+		max-speed = <3200000>;
+		firmware-name = "msnv11.bin";
+	};
+};
-- 
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