linux-kernel - [PATCH 1/2] ARM: dts: imx: Mark IIM as syscon on i.MX51/i.MX53

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Date:   Wed, 27 Jan 2021 18:40:23 +0100
From:   Sebastian Reichel <sebastian.reichel@...labora.com>
To:     Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Fabio Estevam <festevam@...il.com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        NXP Linux Team <linux-imx@....com>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Sebastian Reichel <sebastian.reichel@...labora.com>,
        kernel@...labora.com
Subject: [PATCH 1/2] ARM: dts: imx: Mark IIM as syscon on i.MX51/i.MX53

IIM contains system fuses with information like SoC unique ID
(serial) on i.MX51 and i.MX53. Add "syscon" compatible allowing
simple access.

Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>
---
 arch/arm/boot/dts/imx51.dtsi | 2 +-
 arch/arm/boot/dts/imx53.dtsi | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/imx51.dtsi b/arch/arm/boot/dts/imx51.dtsi
index 7ebb46ce9e36..01cfcbe5928e 100644
--- a/arch/arm/boot/dts/imx51.dtsi
+++ b/arch/arm/boot/dts/imx51.dtsi
@@ -467,7 +467,7 @@ aipstz2: bridge@...00000 {
 			};
 
 			iim: efuse@...98000 {
-				compatible = "fsl,imx51-iim", "fsl,imx27-iim";
+				compatible = "fsl,imx51-iim", "fsl,imx27-iim", "syscon";
 				reg = <0x83f98000 0x4000>;
 				interrupts = <69>;
 				clocks = <&clks IMX5_CLK_IIM_GATE>;
diff --git a/arch/arm/boot/dts/imx53.dtsi b/arch/arm/boot/dts/imx53.dtsi
index 000050aeeabe..2cf3909cca2f 100644
--- a/arch/arm/boot/dts/imx53.dtsi
+++ b/arch/arm/boot/dts/imx53.dtsi
@@ -668,7 +668,7 @@ aipstz2: bridge@...00000 {
 			};
 
 			iim: efuse@...98000 {
-				compatible = "fsl,imx53-iim", "fsl,imx27-iim";
+				compatible = "fsl,imx53-iim", "fsl,imx27-iim", "syscon";
 				reg = <0x63f98000 0x4000>;
 				interrupts = <69>;
 				clocks = <&clks IMX5_CLK_IIM_GATE>;
-- 
2.29.2