Commit f31ee3c0 authored by David Mosberger-Tang's avatar David Mosberger-Tang Committed by Kalle Valo
Browse files

wilc1000: Document enable-gpios and reset-gpios properties 



Add documentation for the ENABLE and RESET GPIOs that may be needed by
wilc1000-spi.

Signed-off-by: default avatarDavid Mosberger-Tang <davidm@egauge.net>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarKalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20211221212531.4011609-3-davidm@egauge.net
parent ec031ac4

Documentation/devicetree/bindings/net/wireless/microchip,wilc1000.yaml

+19 −0
Original line number Diff line number Diff line
@@ -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>;

      };

    };