The Security Module exposes the PIOBU pins which an be used
as regular GPIOs. The PIOBU pins are special because they do
not lose their voltage during suspend-to-mem.
This patch marks the secumod as a GPIO controller.
Signed-off-by: Andrei Stefanescu <andrei.stefanescu@microchip.com>
[razvan.stefanescu@microchip.com Updated title]
Signed-off-by: Razvan Stefanescu <razvan.stefanescu@microchip.com>
Link: https://lore.kernel.org/r/1573543139-8533-2-git-send-email-eugen.hristev@microchip.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
clocks = <&pmc PMC_TYPE_PERIPHERAL 18>;
};
- secumod@fc040000 {
+ pioBU: secumod@fc040000 {
compatible = "atmel,sama5d2-secumod", "syscon";
reg = <0xfc040000 0x100>;
+
+ gpio-controller;
+ #gpio-cells = <2>;
};
tdes@fc044000 {