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| author | Uri Mashiach <uri.mashiach@compulab.co.il> | 2015-12-30 15:35:32 +0200 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2016-01-29 11:10:10 +0200 |
| commit | 04654c386145239c8bcb35878b0b0537ce916766 (patch) | |
| tree | 5b47238b7db91e4df8e406356ffddc41f1f723ab /Documentation/devicetree | |
| parent | 4c1ce07bcf62536ed42a4ba43e5fb580be61ac48 (diff) | |
| download | linux-04654c386145239c8bcb35878b0b0537ce916766.tar.bz2 | |
wlcore/wl12xx: spi: add device tree support
Add DT support for the wl1271 SPI WiFi.
Add documentation file for the wl1271 SPI WiFi.
Signed-off-by: Uri Mashiach <uri.mashiach@compulab.co.il>
Acked-by: Rob Herring <robh@kernel.org>
Tested-By: Sebastian Reichel <sre@kernel.org>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/net/wireless/ti,wlcore,spi.txt | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/wireless/ti,wlcore,spi.txt b/Documentation/devicetree/bindings/net/wireless/ti,wlcore,spi.txt new file mode 100644 index 000000000000..9180724e182c --- /dev/null +++ b/Documentation/devicetree/bindings/net/wireless/ti,wlcore,spi.txt @@ -0,0 +1,36 @@ +* Texas Instruments wl1271 wireless lan controller + +The wl1271 chip can be connected via SPI or via SDIO. This +document describes the binding for the SPI connected chip. + +Required properties: +- compatible : Should be "ti,wl1271" +- reg : Chip select address of device +- spi-max-frequency : Maximum SPI clocking speed of device in Hz +- ref-clock-frequency : Reference clock frequency +- interrupt-parent, interrupts : + Should contain parameters for 1 interrupt line. + Interrupt parameters: parent, line number, type. +- vwlan-supply : Point the node of the regulator that powers/enable the wl1271 chip + +Optional properties: +- clock-xtal : boolean, clock is generated from XTAL + +- Please consult Documentation/devicetree/bindings/spi/spi-bus.txt + for optional SPI connection related properties, + +Examples: + +&spi1 { + wl1271@1 { + compatible = "ti,wl1271"; + + reg = <1>; + spi-max-frequency = <48000000>; + clock-xtal; + ref-clock-frequency = <38400000>; + interrupt-parent = <&gpio3>; + interrupts = <8 IRQ_TYPE_LEVEL_HIGH>; + vwlan-supply = <&vwlan_fixed>; + }; +}; |