olpc,xo1.75-ec.txt

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    1 OLPC XO-1.75 Embedded Controller
    2 
    3 Required properties:
    4 - compatible: Should be "olpc,xo1.75-ec".
    5 - cmd-gpios: gpio specifier of the CMD pin
    6 
    7 The embedded controller requires the SPI controller driver to signal readiness
    8 to receive a transfer (that is, when TX FIFO contains the response data) by
    9 strobing the ACK pin with the ready signal. See the "ready-gpios" property of the
   10 SSP binding as documented in:
   11 <Documentation/devicetree/bindings/spi/marvell,mmp2-ssp.yaml>.
   12 
   13 Example:
   14         &ssp3 {
   15                 spi-slave;
   16                 ready-gpios = <&gpio 125 GPIO_ACTIVE_HIGH>;
   17 
   18                 slave {
   19                         compatible = "olpc,xo1.75-ec";
   20                         spi-cpha;
   21                         cmd-gpios = <&gpio 155 GPIO_ACTIVE_HIGH>;
   22                 };
   23         };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/misc/olpc,xo1.75-ec.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/misc/olpc,xo1.75-ec.txt