From: Michael Walle <michael@walle.cc>
Date: Mon, 14 Feb 2022 11:55:29 +0000 (+0100)
Subject: arm64: dts: ls1028a: add efuse node
X-Git-Tag: howlett/maple/20220722_2~947^2~34^2~12
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=eba5bea8f37fe8a3a65cf8015ea041070042b421;p=users%2Fjedix%2Flinux-maple.git

arm64: dts: ls1028a: add efuse node

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>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
index 5bb8c26e08255..088271d49139c 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
@@ -224,6 +224,17 @@
 			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>;