^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) Binding for the GPIO extension bus found on some LaCie/Seagate boards
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) (Example: 2Big/5Big Network v2, 2Big NAS).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) Required properties:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) - compatible: "lacie,netxbig-gpio-ext".
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) - addr-gpios: GPIOs representing the address register (LSB -> MSB).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) - data-gpios: GPIOs representing the data register (LSB -> MSB).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) - enable-gpio: latches the new configuration (address, data) on raising edge.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) Example:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) netxbig_gpio_ext: netxbig-gpio-ext {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) compatible = "lacie,netxbig-gpio-ext";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) addr-gpios = <&gpio1 15 GPIO_ACTIVE_HIGH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) &gpio1 16 GPIO_ACTIVE_HIGH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) &gpio1 17 GPIO_ACTIVE_HIGH>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) data-gpios = <&gpio1 12 GPIO_ACTIVE_HIGH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) &gpio1 13 GPIO_ACTIVE_HIGH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) &gpio1 14 GPIO_ACTIVE_HIGH>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) enable-gpio = <&gpio0 29 GPIO_ACTIVE_HIGH>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) };