linux-kernel - [PATCH 11/12] ARM: dts: stm32: add sram node within stm32mp151.dtsi

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Message-ID: <20251218-stm32-dcmi-dma-chaining-v1-11-39948ca6cbf6@foss.st.com>
Date: Thu, 18 Dec 2025 19:44:51 +0100
From: Alain Volmat <alain.volmat@...s.st.com>
To: Hugues Fruchet <hugues.fruchet@...s.st.com>,
        Mauro Carvalho Chehab
	<mchehab@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        "Alexandre
 Torgue" <alexandre.torgue@...s.st.com>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Christian König
	<christian.koenig@....com>
CC: <linux-media@...r.kernel.org>, <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        <linaro-mm-sig@...ts.linaro.org>,
        Alain Volmat <alain.volmat@...s.st.com>
Subject: [PATCH 11/12] ARM: dts: stm32: add sram node within
 stm32mp151.dtsi

Introduce the sram node in order to be used by drivers
requiring SRAM memory space.

Signed-off-by: Alain Volmat <alain.volmat@...s.st.com>
---
 arch/arm/boot/dts/st/stm32mp151.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/st/stm32mp151.dtsi b/arch/arm/boot/dts/st/stm32mp151.dtsi
index b1b568dfd126..85cb0f16ca73 100644
--- a/arch/arm/boot/dts/st/stm32mp151.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp151.dtsi
@@ -123,6 +123,14 @@ soc {
 		interrupt-parent = <&intc>;
 		ranges;
 
+		sram4: sram@...50000 {
+			compatible = "mmio-sram";
+			reg = <0x10050000 0x10000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0 0x10050000 0x10000>;
+		};
+
 		ipcc: mailbox@...01000 {
 			compatible = "st,stm32mp1-ipcc";
 			#mbox-cells = <1>;

-- 
2.34.1