[2/4] ARM: dts: at91: sama5d2: mark secumod as a GPIO controller
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Message ID 1573543139-8533-2-git-send-email-eugen.hristev@microchip.com
State New
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Series
  • [1/4] ARM: dts: at91: sama5d2: disable pwm0 by default
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Commit Message

Eugen Hristev Nov. 12, 2019, 7:19 a.m. UTC
From: Andrei Stefanescu <andrei.stefanescu@microchip.com>

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>
---
 arch/arm/boot/dts/sama5d2.dtsi | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

Patch
diff mbox series

diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi
index 4d3ba6d..1b6f44b 100644
--- a/arch/arm/boot/dts/sama5d2.dtsi
+++ b/arch/arm/boot/dts/sama5d2.dtsi
@@ -885,9 +885,12 @@ 
 				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 {