* [PATCH] ARM: dts: microchip: sam9x7: fix gpio-lines count for pioB
@ 2026-02-09 9:07 Mihai Sain
0 siblings, 0 replies; only message in thread
From: Mihai Sain @ 2026-02-09 9:07 UTC (permalink / raw)
To: nicolas.ferre, alexandre.belloni, claudiu.beznea, robh, krzk+dt,
conor+dt, varshini.rajendran
Cc: linux-arm-kernel, devicetree, linux-kernel, Mihai Sain
The pioB controller on the SAM9X7 SoC actually supports 27 GPIO lines.
The previous value of 26 was incorrect, leading to the last pin being
unavailable for use by the GPIO subsystem.
Update the #gpio-lines property to reflect
the correct hardware specification.
Fixes: 41af45af8bc3 ("ARM: dts: at91: sam9x7: add device tree for SoC")
Signed-off-by: Mihai Sain <mihai.sain@microchip.com>
---
arch/arm/boot/dts/microchip/sam9x7.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/microchip/sam9x7.dtsi b/arch/arm/boot/dts/microchip/sam9x7.dtsi
index 46dacbbd201d..d242d7a934d0 100644
--- a/arch/arm/boot/dts/microchip/sam9x7.dtsi
+++ b/arch/arm/boot/dts/microchip/sam9x7.dtsi
@@ -1226,7 +1226,7 @@ pioB: gpio@fffff600 {
interrupt-controller;
#gpio-cells = <2>;
gpio-controller;
- #gpio-lines = <26>;
+ #gpio-lines = <27>;
clocks = <&pmc PMC_TYPE_PERIPHERAL 3>;
};
base-commit: 05f7e89ab9731565d8a62e3b5d1ec206485eeb0b
--
2.53.0
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