[PATCH v4 5/5] dt-bindings: net: bluetooth: Add device tree bindings for QTI chip wcn6750

Venkata Lakshmi Narayana Gubba
2021-05-18T16:35:48Z

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

Signed-off-by: Venkata Lakshmi Narayana Gubba <gubbaven@codeaurora.org>
---
.../bindings/net/qualcomm-bluetooth.yaml | 71 ++++++++++++++++++++++
1 file changed, 71 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.yaml b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.yaml
index 772689b..f93c6e7 100644
--- a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.yaml
+++ b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.yaml
@@ -22,11 +22,17 @@ properties:
- qcom,wcn3991-bt
- qcom,wcn3998-bt
- qcom,qca6390-bt
+ - qcom,wcn6750-bt

enable-gpios:
maxItems: 1
description: gpio specifier used to enable chip

+ swctrl-gpios:
+ maxItems: 1
+ description: gpio specifier is used to find status
+ of clock supply to SoC
+
clocks:
maxItems: 1
description: clock provided to the controller (SUSCLK_32KHZ)
@@ -43,6 +49,30 @@ properties:
vddch0-supply:
description: VDD_CH0 supply regulator handle

+ vddaon-supply:
+ description: VDD_AON supply regulator handle
+
+ vddbtcxmx-supply:
+ description: VDD_BT_CXMX supply regulator handle
+
+ vddrfacmn-supply:
+ description: VDD_RFA_CMN supply regulator handle
+
+ vddrfa0p8-supply:
+ description: VDD_RFA_0P8 suppply regulator handle
+
+ vddrfa1p7-supply:
+ description: VDD_RFA_1P7 supply regulator handle
+
+ vddrfa1p2-supply:
+ description: VDD_RFA_1P2 supply regulator handle
+
+ vddrfa2p2-supply:
+ description: VDD_RFA_2P2 supply regulator handle
+
+ vddasd-supply:
+ description: VDD_ASD supply regulator handle
+
max-speed:
description: see Documentation/devicetree/bindings/serial/serial.yaml

@@ -85,6 +115,25 @@ allOf:
- vddrf-supply
- vddch0-supply

+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,wcn6750-bt
+ then:
+ required:
+ - enable-gpios
+ - swctrl-gpios
+ - vddio-supply
+ - vddaon-supply
+ - vddbtcxmx-supply
+ - vddrfacmn-supply
+ - vddrfa0p8-supply
+ - vddrfa1p7-supply
+ - vddrfa1p2-supply
+ - vddasd-supply
+
examples:
- |
#include <dt-bindings/gpio/gpio.h>
@@ -110,3 +159,25 @@ examples:
firmware-name = "crnv21.bin";
};
};
+ - |
+ serial {
+
+ 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";
+ };
+ };