linux-kernel - [PATCH 1/2] ARM: dts: samsung: exynos5250: describe sromc bank memory map

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Message-Id: <20250904-smdk5250-sromc-v1-1-b360c6ab01c6@grimler.se>
Date: Thu, 04 Sep 2025 08:10:10 +0200
From: Henrik Grimler <henrik@...mler.se>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Alim Akhtar <alim.akhtar@...sung.com>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Henrik Grimler <henrik@...mler.se>
Subject: [PATCH 1/2] ARM: dts: samsung: exynos5250: describe sromc bank
 memory map

According to public user manual for Exynos 5250 [1], the SROM
controller has 4 banks, at same addresses as for example Exynos
5410. Describe the bank memory map of the SoC.

[1] https://web.archive.org/web/20130921194458/http://www.samsung.com/global/business/semiconductor/file/product/Exynos_5_Dual_User_Manaul_Public_REV100-0.pdf

Signed-off-by: Henrik Grimler <henrik@...mler.se>
---
 arch/arm/boot/dts/samsung/exynos5250.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/boot/dts/samsung/exynos5250.dtsi b/arch/arm/boot/dts/samsung/exynos5250.dtsi
index b9e7c493881804647534b1d7395f6eb62a07fb92..741cc693f5d8f6b33772d7819c965c590571f305 100644
--- a/arch/arm/boot/dts/samsung/exynos5250.dtsi
+++ b/arch/arm/boot/dts/samsung/exynos5250.dtsi
@@ -1214,6 +1214,15 @@ &serial_3 {
 	dma-names = "rx", "tx";
 };
 
+&sromc {
+	#address-cells = <2>;
+	#size-cells = <1>;
+	ranges = <0 0 0x04000000 0x20000
+		  1 0 0x05000000 0x20000
+		  2 0 0x06000000 0x20000
+		  3 0 0x07000000 0x20000>;
+};
+
 &sss {
 	clocks = <&clock CLK_SSS>;
 	clock-names = "secss";

-- 
2.51.0