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([2804:1b3:a801:42fc:16d8:d66b:d6c1:caeb]) by smtp.gmail.com with ESMTPSA id 71dfb90a1353d-5ea9b4f58bbsm2804299e0c.10.2026.10.16.16.28.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 16 Oct 2026 16:28:17 -0700 (PDT) From: Fabio Estevam To: Frank.Li@nxp.com Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Fabio Estevam , stable@vger.kernel.org Subject: [PATCH 2/2] ARM: dts: imx5: Restore IIM syscon fallback Date: Fri, 16 Oct 2026 20:28:00 -0300 Message-ID: <20261016232800.536654-2-festevam@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20261016232800.536654-1-festevam@gmail.com> References: <20261016232800.536654-1-festevam@gmail.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Commit d5b55c35e033 ("ARM: dts: imx: Fix the iim compatible string") removed all IIM fallback compatibles because the binding only accepted one compatible. The i.MX51 and i.MX53 SoC device code still looks up the IIM with syscon_regmap_lookup_by_compatible(), though. Without the syscon fallback, syscon_node_to_regmap() cannot instantiate the regmap and boot reports: imx_soc_device_init: failed to find fsl,imx53-iim regmap! Restore the syscon fallback on i.MX51 and i.MX53. Fixes: d5b55c35e033 ("ARM: dts: imx: Fix the iim compatible string") Cc: stable@vger.kernel.org Signed-off-by: Fabio Estevam --- arch/arm/boot/dts/nxp/imx/imx51.dtsi | 2 +- arch/arm/boot/dts/nxp/imx/imx53.dtsi | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/nxp/imx/imx51.dtsi b/arch/arm/boot/dts/nxp/imx/imx51.dtsi index c8698a9af1a7..e0494aa30a6b 100644 --- a/arch/arm/boot/dts/nxp/imx/imx51.dtsi +++ b/arch/arm/boot/dts/nxp/imx/imx51.dtsi @@ -476,7 +476,7 @@ aipstz2: bridge@83f00000 { }; iim: efuse@83f98000 { - compatible = "fsl,imx51-iim"; + compatible = "fsl,imx51-iim", "syscon"; reg = <0x83f98000 0x4000>; interrupts = <69>; clocks = <&clks IMX5_CLK_IIM_GATE>; diff --git a/arch/arm/boot/dts/nxp/imx/imx53.dtsi b/arch/arm/boot/dts/nxp/imx/imx53.dtsi index 93225a56896f..13550d12f694 100644 --- a/arch/arm/boot/dts/nxp/imx/imx53.dtsi +++ b/arch/arm/boot/dts/nxp/imx/imx53.dtsi @@ -668,7 +668,7 @@ aipstz2: bridge@63f00000 { }; iim: efuse@63f98000 { - compatible = "fsl,imx53-iim"; + compatible = "fsl,imx53-iim", "syscon"; reg = <0x63f98000 0x4000>; interrupts = <69>; clocks = <&clks IMX5_CLK_IIM_GATE>; -- 2.43.0