dt-bindings: net: ti,bluetooth: Convert to json-schema
Convert the Texas Instruments serial-attached bluetooth Device Tree binding documentation to json-schema. Add missing max-speed property. Update the example. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: David Lechner <david@lechnology.com> Link: https://lore.kernel.org/r/c1814db9aff7f09ea41b562a2da305312d8df2dd.1634646975.git.geert+renesas@glider.be Signed-off-by: Rob Herring <robh@kernel.org>pull/78/merge
Geert Uytterhoeven
Rob Herring
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/net/ti,bluetooth.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Texas Instruments Bluetooth Chips
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maintainers:
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- David Lechner <david@lechnology.com>
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description: |
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This documents the binding structure and common properties for serial
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attached TI Bluetooth devices. The following chips are included in this
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binding:
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* TI CC256x Bluetooth devices
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* TI WiLink 7/8 (wl12xx/wl18xx) Shared Transport BT/FM/GPS devices
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TI WiLink devices have a UART interface for providing Bluetooth, FM radio,
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and GPS over what's called "shared transport". The shared transport is
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standard BT HCI protocol with additional channels for the other functions.
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TI WiLink devices also have a separate WiFi interface as described in
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wireless/ti,wlcore.yaml.
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This bindings follows the UART slave device binding in ../serial/serial.yaml.
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properties:
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compatible:
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enum:
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- ti,cc2560
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- ti,wl1271-st
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- ti,wl1273-st
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- ti,wl1281-st
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- ti,wl1283-st
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- ti,wl1285-st
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- ti,wl1801-st
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- ti,wl1805-st
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- ti,wl1807-st
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- ti,wl1831-st
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- ti,wl1835-st
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- ti,wl1837-st
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enable-gpios:
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maxItems: 1
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vio-supply:
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description: Vio input supply (1.8V)
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vbat-supply:
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description: Vbat input supply (2.9-4.8V)
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clocks:
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maxItems: 1
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clock-names:
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items:
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- const: ext_clock
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max-speed: true
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nvmem-cells:
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maxItems: 1
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description:
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Nvmem data cell that contains a 6 byte BD address with the most
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significant byte first (big-endian).
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nvmem-cell-names:
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items:
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- const: bd-address
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required:
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- compatible
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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serial {
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bluetooth {
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compatible = "ti,wl1835-st";
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enable-gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>;
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clocks = <&clk32k_wl18xx>;
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clock-names = "ext_clock";
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nvmem-cells = <&bd_address>;
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nvmem-cell-names = "bd-address";
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};
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};
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@ -1,60 +0,0 @@
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Texas Instruments Bluetooth Chips
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---------------------------------
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This documents the binding structure and common properties for serial
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attached TI Bluetooth devices. The following chips are included in this
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binding:
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* TI CC256x Bluetooth devices
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* TI WiLink 7/8 (wl12xx/wl18xx) Shared Transport BT/FM/GPS devices
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TI WiLink devices have a UART interface for providing Bluetooth, FM radio,
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and GPS over what's called "shared transport". The shared transport is
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standard BT HCI protocol with additional channels for the other functions.
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TI WiLink devices also have a separate WiFi interface as described in
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wireless/ti,wlcore.yaml.
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This bindings follows the UART slave device binding in ../serial/serial.yaml.
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Required properties:
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- compatible: should be one of the following:
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"ti,cc2560"
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"ti,wl1271-st"
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"ti,wl1273-st"
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"ti,wl1281-st"
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"ti,wl1283-st"
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"ti,wl1285-st"
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"ti,wl1801-st"
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"ti,wl1805-st"
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"ti,wl1807-st"
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"ti,wl1831-st"
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"ti,wl1835-st"
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"ti,wl1837-st"
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Optional properties:
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- enable-gpios : GPIO signal controlling enabling of BT. Active high.
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- vio-supply : Vio input supply (1.8V)
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- vbat-supply : Vbat input supply (2.9-4.8V)
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- clocks : Must contain an entry, for each entry in clock-names.
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See ../clocks/clock-bindings.txt for details.
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- clock-names : Must include the following entry:
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"ext_clock" (External clock provided to the TI combo chip).
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- nvmem-cells: phandle to nvmem data cell that contains a 6 byte BD address
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with the most significant byte first (big-endian).
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- nvmem-cell-names: "bd-address" (required when nvmem-cells is specified)
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Example:
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&serial0 {
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compatible = "ns16550a";
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...
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bluetooth {
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compatible = "ti,wl1835-st";
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enable-gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>;
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clocks = <&clk32k_wl18xx>;
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clock-names = "ext_clock";
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nvmem-cells = <&bd_address>;
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nvmem-cell-names = "bd-address";
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};
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};
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