linux-kernel - [PATCH v7 12/23] arm64: dts: imx8mn: add phandle to anatop within CCM

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Message-ID: <20241227165719.3902388-13-dario.binacchi@amarulasolutions.com>
Date: Fri, 27 Dec 2024 17:56:15 +0100
From: Dario Binacchi <dario.binacchi@...rulasolutions.com>
To: linux-kernel@...r.kernel.org
Cc: linux-amarula@...rulasolutions.com,
	Dario Binacchi <dario.binacchi@...rulasolutions.com>,
	Conor Dooley <conor+dt@...nel.org>,
	Fabio Estevam <festevam@...il.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Rob Herring <robh@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Shawn Guo <shawnguo@...nel.org>,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v7 12/23] arm64: dts: imx8mn: add phandle to anatop within CCM

Add the phandle to the anatop node within the CCM node. This makes
explicit the dependency of CCM on anatop for generating the clocks for
the on-chip peripherals.

With this change, it will also be possible to generalize the CCM driver
code, as it will no longer need the platform's compatible string to
retrieve the anatop device node.

Signed-off-by: Dario Binacchi <dario.binacchi@...rulasolutions.com>

---

Changes in v7:
- New

 arch/arm64/boot/dts/freescale/imx8mn.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
index 49be492b5687..68efa77535cb 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
@@ -646,6 +646,7 @@ clk: clock-controller@...80000 {
 					 <&clk_ext3>, <&clk_ext4>;
 				clock-names = "osc_32k", "osc_24m", "clk_ext1", "clk_ext2",
 					      "clk_ext3", "clk_ext4";
+				fsl,anatop = <&anatop>;
 				assigned-clocks = <&clk IMX8MN_CLK_A53_SRC>,
 						<&clk IMX8MN_CLK_A53_CORE>,
 						<&clk IMX8MN_CLK_NOC>,
-- 
2.43.0