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From:   Michael Walle <michael@walle.cc>
To:     Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>,
        Shawn Guo <shawnguo@kernel.org>, Li Yang <leoyang.li@nxp.com>
Cc:     devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        Michael Walle <michael@walle.cc>
Subject: [PATCH v2 3/3] arm64: dts: ls1028a: add efuse node
Date:   Mon, 14 Feb 2022 12:55:29 +0100
Message-Id: <20220214115529.662948-4-michael@walle.cc>
In-Reply-To: <20220214115529.662948-1-michael@walle.cc>
References: <20220214115529.662948-1-michael@walle.cc>
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Layerscape SoCs contain a Security Fuse Processor which is basically a
efuse controller. Add the node, so userspace can read the efuses.

Signed-off-by: Michael Walle <michael@walle.cc>
---
 arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
index 7d44102d9c6c..4b248cee830a 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
@@ -224,6 +224,17 @@ rst: syscon@1e60000 {
 			little-endian;
 		};
 
+		efuse@1e80000 {
+			compatible = "fsl,ls1028a-sfp";
+			reg = <0x0 0x1e80000 0x0 0x10000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			ls1028a_uid: unique-id@1c {
+				reg = <0x1c 0x8>;
+			};
+		};
+
 		scfg: syscon@1fc0000 {
 			compatible = "fsl,ls1028a-scfg", "syscon";
 			reg = <0x0 0x1fc0000 0x0 0x10000>;
-- 
2.30.2