[PATCH v7 2/2] wilc1000: Document enable-gpios and reset-gpios properties
From: David Mosberger-Tang <hidden>
Date: 2021-12-21 21:25:42
Also in:
linux-devicetree, linux-wireless, lkml
Subsystem:
networking drivers (wireless), open firmware and flattened device tree bindings, the rest · Maintainers:
Johannes Berg, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Add documentation for the ENABLE and RESET GPIOs that may be needed by wilc1000-spi. Signed-off-by: David Mosberger-Tang <redacted> Reviewed-by: Rob Herring <robh@kernel.org> --- .../net/wireless/microchip,wilc1000.yaml | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/wireless/microchip,wilc1000.yaml b/Documentation/devicetree/bindings/net/wireless/microchip,wilc1000.yaml
index 6c35682377e6d..60de78f1bc7b9 100644
--- a/Documentation/devicetree/bindings/net/wireless/microchip,wilc1000.yaml
+++ b/Documentation/devicetree/bindings/net/wireless/microchip,wilc1000.yaml@@ -32,6 +32,21 @@ properties: clock-names: const: rtc + enable-gpios: + maxItems: 1 + description: Used by wilc1000-spi to determine the GPIO line + connected to the ENABLE line. If specified, reset-gpios + must be specified as well as otherwise the driver cannot + ensure the timing required between asserting ENABLE + and deasserting RESET. This should be declared as an + active-high signal. + + reset-gpios: + maxItems: 1 + description: Used by wilc1000-spi to determine the GPIO line + connected to the RESET line. This should be declared as an + active-low signal. + required: - compatible - interrupts
@@ -40,6 +55,8 @@ additionalProperties: false examples: - | + #include <dt-bindings/gpio/gpio.h> + spi { #address-cells = <1>; #size-cells = <0>;
@@ -51,6 +68,8 @@ examples: interrupts = <27 0>; clocks = <&pck1>; clock-names = "rtc"; + enable-gpios = <&pioA 5 GPIO_ACTIVE_HIGH>; + reset-gpios = <&pioA 6 GPIO_ACTIVE_LOW>; }; };
--
2.25.1