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[v2,1/3] dt-bindings: net: bluetooth: Add rtl8723bs-bluetooth

Message ID 20200407055837.3508017-1-alistair@alistair23.me
State New
Headers show
Series [v2,1/3] dt-bindings: net: bluetooth: Add rtl8723bs-bluetooth | expand

Commit Message

Alistair April 7, 2020, 5:58 a.m. UTC 
From: Vasily Khoruzhick <anarsoul@gmail.com>

Add binding document for bluetooth part of RTL8723BS/RTL8723CS

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Alistair Francis <alistair@alistair23.me>
---
v2:
 - Update bindings based on upstream feedback
 - Add RTL8822CS
 - Remove unused/unsupported fields
 - Remove firmware-postfix field
 - Small formatting changes

 .../bindings/net/realtek,rtl8723bs-bt.yaml    | 55 +++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/realtek,rtl8723bs-bt.yaml
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Patch

diff --git a/Documentation/devicetree/bindings/net/realtek,rtl8723bs-bt.yaml b/Documentation/devicetree/bindings/net/realtek,rtl8723bs-bt.yaml
new file mode 100644
index 000000000000..a03ce1bbc56f
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/realtek,rtl8723bs-bt.yaml
@@ -0,0 +1,55 @@ 
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/realtek,rtl8723bs-bt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: RTL8723BS/RTL8723CS/RTL8822CS Bluetooth Device Tree Bindings
+
+maintainers:
+  - Vasily Khoruzhick <anarsoul@gmail.com>
+  - Alistair Francis <alistair@alistair23.me>
+
+description:
+  RTL8723CS/RTL8723CS/RTL8822CS is WiFi + BT chip. WiFi part is connected over
+  SDIO, while BT is connected over serial. It speaks H5 protocol with few
+  extra commands to upload firmware and change module speed.
+
+properties:
+  compatible:
+    oneOf:
+      - "realtek,rtl8723bs-bt"
+      - "realtek,rtl8723cs-bt"
+      - "realtek,rtl8822cs-bt"
+
+  device-wake-gpios:
+    maxItems: 1
+    description:
+      GPIO specifier, used to wakeup the BT module
+
+  enable-gpios:
+    maxItems: 1
+    description:
+      GPIO specifier, used to enable the BT module
+
+  host-wake-gpios:
+    maxItems: 1
+    desciption:
+      GPIO specifier, used to wakeup the host processor
+
+required:
+  - compatible
+
+examples:
+  - |
+    &uart1 {
+        pinctrl-names = "default";
+        pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
+        uart-has-rtscts = <1>;
+
+        bluetooth {
+            compatible = "realtek,rtl8723bs-bt";
+            device-wake-gpios = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* PL5 */
+            host-wakeup-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
+        };
+    };