dt-bindings: net: Add generic Bluetooth controller

Bluetooth controllers share the common local-bd-address property.
Add a generic YAML schema to replace bluetooth.txt for those.

Signed-off-by: Sven Peter <sven@svenpeter.dev>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

2 files changed, 212 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/net/bluetooth/bluetooth-controller.yaml b/Documentation/devicetree/bindings/net/bluetooth/bluetooth-controller.yaml
new file mode 100644
index 000000000000..9309dc40f54f
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/bluetooth/bluetooth-controller.yaml
@@ -0,0 +1,29 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/bluetooth/bluetooth-controller.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Bluetooth Controller Generic Binding
+
+maintainers:
+  - Marcel Holtmann <marcel@holtmann.org>
+  - Johan Hedberg <johan.hedberg@gmail.com>
+  - Luiz Augusto von Dentz <luiz.dentz@gmail.com>
+
+properties:
+  $nodename:
+    pattern: "^bluetooth(@.*)?$"
+
+  local-bd-address:
+    $ref: /schemas/types.yaml#/definitions/uint8-array
+    maxItems: 6
+    description:
+      Specifies the BD address that was uniquely assigned to the Bluetooth
+      device. Formatted with least significant byte first (little-endian), e.g.
+      in order to assign the address 00:11:22:33:44:55 this property must have
+      the value [55 44 33 22 11 00].
+
+additionalProperties: true
+
+...
diff --git a/Documentation/devicetree/bindings/net/bluetooth/qualcomm-bluetooth.yaml b/Documentation/devicetree/bindings/net/bluetooth/qualcomm-bluetooth.yaml
new file mode 100644
index 000000000000..a6a6b0e4df7a
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/bluetooth/qualcomm-bluetooth.yaml
@@ -0,0 +1,183 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/bluetooth/qualcomm-bluetooth.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Bluetooth Chips
+
+maintainers:
+  - Balakrishna Godavarthi <bgodavar@codeaurora.org>
+  - Rocky Liao <rjliao@codeaurora.org>
+
+description:
+  This binding describes Qualcomm UART-attached bluetooth chips.
+
+properties:
+  compatible:
+    enum:
+      - qcom,qca6174-bt
+      - qcom,qca9377-bt
+      - qcom,wcn3990-bt
+      - 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)
+
+  vddio-supply:
+    description: VDD_IO supply regulator handle
+
+  vddxo-supply:
+    description: VDD_XO supply regulator handle
+
+  vddrf-supply:
+    description: VDD_RF supply regulator handle
+
+  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
+
+  firmware-name:
+    description: specify the name of nvm firmware to load
+
+  local-bd-address: true
+
+
+required:
+  - compatible
+
+additionalProperties: false
+
+allOf:
+  - $ref: bluetooth-controller.yaml#
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,qca6174-bt
+    then:
+      required:
+        - enable-gpios
+        - clocks
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,wcn3990-bt
+              - qcom,wcn3991-bt
+              - qcom,wcn3998-bt
+    then:
+      required:
+        - vddio-supply
+        - vddxo-supply
+        - 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>
+    serial {
+
+        bluetooth {
+            compatible = "qcom,qca6174-bt";
+            enable-gpios = <&pm8994_gpios 19 GPIO_ACTIVE_HIGH>;
+            clocks = <&divclk4>;
+            firmware-name = "nvm_00440302.bin";
+        };
+    };
+  - |
+    serial {
+
+        bluetooth {
+            compatible = "qcom,wcn3990-bt";
+            vddio-supply = <&vreg_s4a_1p8>;
+            vddxo-supply = <&vreg_l7a_1p8>;
+            vddrf-supply = <&vreg_l17a_1p3>;
+            vddch0-supply = <&vreg_l25a_3p3>;
+            max-speed = <3200000>;
+            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";
+        };
+    };