ARM: dts: at91: sama5d2: mark secumod as a GPIO controller

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>

diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi
index 4d3ba6d1ab5dba5554fc4b90fe33c07d08d54f1d..1b6f44b47f4563ff6328a8dd6997f403c190d6ad 100644 (file)
--- a/arch/arm/boot/dts/sama5d2.dtsi
+++ b/arch/arm/boot/dts/sama5d2.dtsi
@@ -885,9 +885,12 @@ pioA: pinctrl@fc038000 {
                                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 {