summaryrefslogtreecommitdiffstats
path: root/dts/Bindings/net/wireless/ti,wlcore.yaml
diff options
context:
space:
mode:
Diffstat (limited to 'dts/Bindings/net/wireless/ti,wlcore.yaml')
-rw-r--r--dts/Bindings/net/wireless/ti,wlcore.yaml134
1 files changed, 134 insertions, 0 deletions
diff --git a/dts/Bindings/net/wireless/ti,wlcore.yaml b/dts/Bindings/net/wireless/ti,wlcore.yaml
new file mode 100644
index 0000000000..8dd164d102
--- /dev/null
+++ b/dts/Bindings/net/wireless/ti,wlcore.yaml
@@ -0,0 +1,134 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/wireless/ti,wlcore.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments Wilink 6/7/8 (wl12xx/wl18xx) Wireless LAN Controller
+
+maintainers:
+ - Tony Lindgren <tony@atomide.com>
+
+description:
+ The wl12xx/wl18xx chips can be connected via SPI or via SDIO.
+ Note that the *-clock-frequency properties assume internal clocks. In case
+ of external clocks, new bindings (for parsing the clock nodes) have to be
+ added.
+
+properties:
+ compatible:
+ enum:
+ - ti,wl1271
+ - ti,wl1273
+ - ti,wl1281
+ - ti,wl1283
+ - ti,wl1285
+ - ti,wl1801
+ - ti,wl1805
+ - ti,wl1807
+ - ti,wl1831
+ - ti,wl1835
+ - ti,wl1837
+
+ reg:
+ maxItems: 1
+ description:
+ This is required when connected via SPI, and optional when connected via
+ SDIO.
+
+ spi-max-frequency: true
+
+ interrupts:
+ minItems: 1
+ maxItems: 2
+
+ interrupt-names:
+ items:
+ - const: irq
+ - const: wakeup
+
+ vwlan-supply:
+ description:
+ Points to the node of the regulator that powers/enable the wl12xx/wl18xx
+ chip. This is required when connected via SPI.
+
+
+ ref-clock-frequency:
+ description: Reference clock frequency.
+
+ tcxo-clock-frequency:
+ description: TCXO clock frequency.
+
+ clock-xtal:
+ $ref: /schemas/types.yaml#/definitions/flag
+ description: Indicates that the clock is generated from XTAL.
+
+required:
+ - compatible
+ - interrupts
+
+if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - ti,wl1271
+ - ti,wl1273
+ - ti,wl1281
+ - ti,wl1283
+then:
+ required:
+ - ref-clock-frequency
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ // For wl12xx family:
+ spi1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ wlcore1: wlcore@1 {
+ compatible = "ti,wl1271";
+ reg = <1>;
+ spi-max-frequency = <48000000>;
+ interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;
+ vwlan-supply = <&vwlan_fixed>;
+ clock-xtal;
+ ref-clock-frequency = <38400000>;
+ };
+ };
+
+ // For wl18xx family:
+ spi2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ wlcore2: wlcore@0 {
+ compatible = "ti,wl1835";
+ reg = <0>;
+ spi-max-frequency = <48000000>;
+ interrupts = <27 IRQ_TYPE_EDGE_RISING>;
+ vwlan-supply = <&vwlan_fixed>;
+ };
+ };
+
+ // SDIO example:
+ mmc3 {
+ vmmc-supply = <&wlan_en_reg>;
+ bus-width = <4>;
+ cap-power-off-card;
+ keep-power-in-suspend;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ wlcore3: wlcore@2 {
+ compatible = "ti,wl1835";
+ reg = <2>;
+ interrupts = <19 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ };