linux-kernel - [PATCH 3/4] arm: dts: owl-s500: Add socinfo support

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Message-Id: <f0d9ba13324c7e64cafe634e40c18155ee0ff470.1616178258.git.cristian.ciocaltea@gmail.com>
Date:   Fri, 19 Mar 2021 20:28:01 +0200
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 3/4] arm: dts: owl-s500: Add socinfo support

Update soc node compatible property to enable support for the Actions
Semi Owl soc info driver.

Additionally provide memory addresses where the serial number parts are
accessible.

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@...il.com>
---
 arch/arm/boot/dts/owl-s500.dtsi | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/owl-s500.dtsi b/arch/arm/boot/dts/owl-s500.dtsi
index 739b4b9cec8c..07a165918de9 100644
--- a/arch/arm/boot/dts/owl-s500.dtsi
+++ b/arch/arm/boot/dts/owl-s500.dtsi
@@ -80,10 +80,12 @@ losc: losc {
 	};
 
 	soc {
-		compatible = "simple-bus";
+		compatible = "actions,s500-soc", "simple-bus";
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges;
+		actions,serial-number-addrs = <0x800>, /* S/N Low */
+					      <0x804>; /* S/N High */
 
 		scu: scu@...20000 {
 			compatible = "arm,cortex-a9-scu";
-- 
2.31.0