linux-kernel - [PATCH 1/3] dt-bindings: net: bluetooth: Add rtl8723bs-bluetooth

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Date:   Sat,  4 Apr 2020 13:48:48 -0700
From:   Alistair Francis <alistair@...stair23.me>
To:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        marcel@...tmann.org, johan.hedberg@...il.com,
        linux-bluetooth@...r.kernel.org, mripard@...nel.org, wens@...e.org
Cc:     anarsoul@...il.com, devicetree@...r.kernel.org,
        alistair23@...il.com, linux-arm-kernel@...ts.infradead.org,
        Alistair Francis <alistair@...stair23.me>
Subject: [PATCH 1/3] dt-bindings: net: bluetooth: Add rtl8723bs-bluetooth

From: Vasily Khoruzhick <anarsoul@...il.com>

Add binding document for bluetooth part of RTL8723BS/RTL8723CS

Signed-off-by: Vasily Khoruzhick <anarsoul@...il.com>
Signed-off-by: Alistair Francis <alistair@...stair23.me>
---
 .../bindings/net/realtek,rtl8723bs-bt.yaml    | 56 +++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/realtek,rtl8723bs-bt.yaml

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..9e212954f629
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/realtek,rtl8723bs-bt.yaml
@@ -0,0 +1,56 @@
+# 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 Bluetooth Device Tree Bindings
+
+maintainers:
+  - Vasily Khoruzhick <anarsoul@...il.com>
+  - Alistair Francis <alistair@...stair23.me>
+
+description:
+  RTL8723CS/RTL8723CS 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"
+
+  device-wake-gpios:
+    description:
+      GPIO specifier, used to wakeup the BT module (active high)
+
+  enable-gpios:
+    description:
+      GPIO specifier, used to enable the BT module (active high)
+
+  host-wake-gpios:
+    desciption:
+      GPIO specifier, used to wakeup the host processor (active high)
+
+firmware-postfix: firmware postfix to be used for firmware config
+reset-gpios: GPIO specifier, used to reset the BT module (active high)
+
+required:
+  - compatible
+
+examples:
+  - |
+    &uart1 {
+        pinctrl-names = "default";
+        pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
+        status = "okay";
+
+        bluetooth {
+            compatible = "realtek,rtl8723bs-bt";
+            reset-gpios = <&r_pio 0 4 GPIO_ACTIVE_LOW>; /* PL4 */
+            device-wake-gpios = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* PL5 */
+            host-wakeup-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
+            firmware-postfix="pine64";
+        };
+    };
-- 
2.25.1