137 lines
3.1 KiB
YAML
137 lines
3.1 KiB
YAML
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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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$id: http://devicetree.org/schemas/net/wireless/ti,wlcore.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Texas Instruments Wilink 6/7/8 (wl12xx/wl18xx) Wireless LAN Controller
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maintainers:
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- Tony Lindgren <tony@atomide.com>
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description:
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The wl12xx/wl18xx chips can be connected via SPI or via SDIO.
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Note that the *-clock-frequency properties assume internal clocks. In case
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of external clocks, new bindings (for parsing the clock nodes) have to be
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added.
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properties:
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compatible:
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enum:
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- ti,wl1271
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- ti,wl1273
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- ti,wl1281
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- ti,wl1283
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- ti,wl1285
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- ti,wl1801
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- ti,wl1805
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- ti,wl1807
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- ti,wl1831
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- ti,wl1835
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- ti,wl1837
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reg:
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maxItems: 1
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description:
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This is required when connected via SPI, and optional when connected via
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SDIO.
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interrupts:
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minItems: 1
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maxItems: 2
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interrupt-names:
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items:
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- const: irq
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- const: wakeup
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vwlan-supply:
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description:
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Points to the node of the regulator that powers/enable the wl12xx/wl18xx
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chip. This is required when connected via SPI.
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ref-clock-frequency:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: Reference clock frequency.
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tcxo-clock-frequency:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: TCXO clock frequency.
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clock-xtal:
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$ref: /schemas/types.yaml#/definitions/flag
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description: Indicates that the clock is generated from XTAL.
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required:
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- compatible
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- interrupts
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allOf:
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- $ref: /schemas/spi/spi-peripheral-props.yaml#
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- if:
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properties:
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compatible:
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contains:
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enum:
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- ti,wl1271
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- ti,wl1273
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- ti,wl1281
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- ti,wl1283
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then:
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required:
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- ref-clock-frequency
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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// For wl12xx family:
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spi1 {
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#address-cells = <1>;
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#size-cells = <0>;
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wlcore1: wlcore@1 {
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compatible = "ti,wl1271";
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reg = <1>;
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spi-max-frequency = <48000000>;
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interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;
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vwlan-supply = <&vwlan_fixed>;
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clock-xtal;
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ref-clock-frequency = <38400000>;
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};
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};
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// For wl18xx family:
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spi2 {
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#address-cells = <1>;
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#size-cells = <0>;
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wlcore2: wlcore@0 {
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compatible = "ti,wl1835";
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reg = <0>;
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spi-max-frequency = <48000000>;
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interrupts = <27 IRQ_TYPE_EDGE_RISING>;
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vwlan-supply = <&vwlan_fixed>;
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};
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};
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// SDIO example:
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mmc3 {
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vmmc-supply = <&wlan_en_reg>;
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bus-width = <4>;
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cap-power-off-card;
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keep-power-in-suspend;
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#address-cells = <1>;
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#size-cells = <0>;
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wlcore3: wlcore@2 {
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compatible = "ti,wl1835";
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reg = <2>;
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interrupts = <19 IRQ_TYPE_LEVEL_HIGH>;
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};
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};
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