linux-kernel - [PATCH 2/2] ARM: dts: imx6qdl: support child mfd cells for the reset controller

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Message-Id: <20230113-syscon-child-mfd-v1-2-0dd31b7de373@pengutronix.de>
Date:   Fri, 13 Jan 2023 18:32:10 +0100
From:   Bastian Krause <bst@...gutronix.de>
To:     Philipp Zabel <p.zabel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Ahmad Fatoum <a.fatoum@...gutronix.de>,
        Bastian Krause <bst@...gutronix.de>
Subject: [PATCH 2/2] ARM: dts: imx6qdl: support child mfd cells for the reset
 controller

The actual syscon-reboot-mode child node can be added by a board
device-tree or fixed up by the bootloader. For the child node to be
probed, the compatible needs to include simple-mfd. The binding now
specifies this, so have the SoC dtsi adhere to it.

Suggested-by: Ahmad Fatoum <a.fatoum@...gutronix.de>
Signed-off-by: Bastian Krause <bst@...gutronix.de>
---
 arch/arm/boot/dts/imx6qdl.dtsi | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
index ff1e0173b39be..b16be39458aa6 100644
--- a/arch/arm/boot/dts/imx6qdl.dtsi
+++ b/arch/arm/boot/dts/imx6qdl.dtsi
@@ -865,7 +865,8 @@ epit2: epit@...4000 { /* EPIT2 */
 			};
 
 			src: reset-controller@...8000 {
-				compatible = "fsl,imx6q-src", "fsl,imx51-src";
+				compatible = "fsl,imx6q-src", "fsl,imx51-src",
+					     "syscon", "simple-mfd";
 				reg = <0x020d8000 0x4000>;
 				interrupts = <0 91 IRQ_TYPE_LEVEL_HIGH>,
 					     <0 96 IRQ_TYPE_LEVEL_HIGH>;

-- 
2.30.2