net/bluetooth/brcm%2Cbluetooth.yaml

1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10   - Linus Walleij <linus.walleij@linaro.org>
13   This binding describes Broadcom UART-attached bluetooth chips.
18       - items:
19           - enum:
20               - infineon,cyw43439-bt
21           - const: brcm,bcm4329-bt
22       - enum:
23           - brcm,bcm20702a1
24           - brcm,bcm4329-bt
25           - brcm,bcm4330-bt
26           - brcm,bcm4334-bt
27           - brcm,bcm43430a0-bt
28           - brcm,bcm43430a1-bt
29           - brcm,bcm43438-bt
30           - brcm,bcm4345c5
31           - brcm,bcm43540-bt
32           - brcm,bcm4335a0
33           - brcm,bcm4349-bt
34           - cypress,cyw4373a0-bt
35           - infineon,cyw55572-bt
37   shutdown-gpios:
42   reset-gpios:
48   device-wakeup-gpios:
54   host-wakeup-gpios:
60       by interrupts and "host-wakeup" interrupt-names
65     description: 1 or 2 clocks as defined in clock-names below,
68   clock-names:
71       - const: extclk
75       - const: txco
79       - const: lpo
83       - items:
84           - const: txco
85           - const: lpo
87   vbat-supply:
90   vddio-supply:
93   brcm,bt-pcm-int-params:
94     $ref: /schemas/types.yaml#/definitions/uint8-array
97     description: |-
98       configure PCM parameters via a 5-byte array:
99        sco-routing: 0 = PCM, 1 = Transport, 2 = Codec, 3 = I2S
100        pcm-interface-rate: 128KBps, 256KBps, 512KBps, 1024KBps, 2048KBps
101        pcm-frame-type: short, long
102        pcm-sync-mode: slave, master
103        pcm-clock-mode: slave, master
105   brcm,requires-autobaud-mode:
108       Set this property if autobaud mode is required. Autobaud mode is required
109       if the device's initial baud rate in normal mode is not supported by the
110       host or if the device requires autobaud mode startup before loading FW.
114       - description: Handle to the line HOST_WAKE used to wake
118   interrupt-names:
120       - const: host-wakeup
123   - compatible
126   brcm,requires-autobaud-mode: [ shutdown-gpios ]
129   - $ref: /schemas/serial/serial-peripheral-props.yaml#
130   - if:
136                 - brcm,bcm20702a1
137                 - brcm,bcm4329-bt
138                 - brcm,bcm4330-bt
141         reset-gpios: false
146   - |
147     #include <dt-bindings/gpio/gpio.h>
148     #include <dt-bindings/interrupt-controller/irq.h>
151         uart-has-rtscts;
154             compatible = "brcm,bcm4330-bt";
155             max-speed = <921600>;
156             brcm,bt-pcm-int-params = [01 02 00 01 01];
157             shutdown-gpios = <&gpio 30 GPIO_ACTIVE_HIGH>;
158             device-wakeup-gpios = <&gpio 7 GPIO_ACTIVE_HIGH>;
159             reset-gpios = <&gpio 9 GPIO_ACTIVE_LOW>;
160             interrupt-parent = <&gpio>;