linux-kernel - [PATCH v2 2/2] arm64: dts: st: fix memory region size on stm32mp235f-dk

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Message-ID: <20250910-stm32mp231_gpio_update-v2-2-8510efa2c5cf@foss.st.com>
Date: Wed, 10 Sep 2025 10:24:38 +0200
From: Amelie Delaunay <amelie.delaunay@...s.st.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Maxime Coquelin
	<mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>
CC: <devicetree@...r.kernel.org>, <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        Amelie Delaunay <amelie.delaunay@...s.st.com>
Subject: [PATCH v2 2/2] arm64: dts: st: fix memory region size on
 stm32mp235f-dk

STM32MP23x SoCs provide a DDR controller supporting up to 4GB/16-bit.
The control pin to properly configure 4GB/16-bit is not routed on
stm32mp235f-dk, that's why the board only supports 2GB.

Signed-off-by: Amelie Delaunay <amelie.delaunay@...s.st.com>
---
 arch/arm64/boot/dts/st/stm32mp235f-dk.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/st/stm32mp235f-dk.dts b/arch/arm64/boot/dts/st/stm32mp235f-dk.dts
index 04d1b434c433e5f76d120f4bd254c15a2de3fb94..1d0ccf4a03314703553facffde3d41647645ea3e 100644
--- a/arch/arm64/boot/dts/st/stm32mp235f-dk.dts
+++ b/arch/arm64/boot/dts/st/stm32mp235f-dk.dts
@@ -56,7 +56,7 @@ led-blue {
 
 	memory@...00000 {
 		device_type = "memory";
-		reg = <0x0 0x80000000 0x1 0x0>;
+		reg = <0x0 0x80000000 0x0 0x80000000>;
 	};
 
 	reserved-memory {

-- 
2.25.1