linux-kernel - [PATCH v2 4/6] arm: dts: owl-s500: Add reserved-memory range for Owl SoC serial number

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Date:   Tue, 30 Mar 2021 16:48:19 +0300
From:   Cristian Ciocaltea <cristian.ciocaltea@...il.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Andreas Färber <afaerber@...e.de>,
        Manivannan Sadhasivam <mani@...nel.org>
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-actions@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 4/6] arm: dts: owl-s500: Add reserved-memory range for Owl SoC serial number

Provide access to the reserved memory region where the Actions Semi Owl
S500 SoC serial number can be read from.

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@...il.com>
---
 arch/arm/boot/dts/owl-s500.dtsi | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/boot/dts/owl-s500.dtsi b/arch/arm/boot/dts/owl-s500.dtsi
index 739b4b9cec8c..e4c61a9c6e39 100644
--- a/arch/arm/boot/dts/owl-s500.dtsi
+++ b/arch/arm/boot/dts/owl-s500.dtsi
@@ -23,6 +23,17 @@ aliases {
 	chosen {
 	};
 
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		soc_serial: soc-serial@800 {
+			compatible = "actions,s500-soc-serial", "actions,owl-soc-serial";
+			reg = <0x800 0x8>;
+		};
+	};
+
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
-- 
2.31.1