linux-kernel - [PATCH v3 6/6] arm64: dts: imx8mp: Add reset-controller sub node for audio_blk

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Date: Tue, 14 May 2024 17:33:30 +0800
From: Shengjiu Wang <shengjiu.wang@....com>
To: abelvesa@...nel.org,
	peng.fan@....com,
	mturquette@...libre.com,
	sboyd@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	kernel@...gutronix.de,
	festevam@...il.com,
	marex@...x.de,
	linux-clk@...r.kernel.org,
	imx@...ts.linux.dev,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	p.zabel@...gutronix.de,
	shengjiu.wang@...il.com
Subject: [PATCH v3 6/6] arm64: dts: imx8mp: Add reset-controller sub node for audio_blk_ctrl

The Audio Block Control contains clock distribution and gating
controls, as well as reset handling to several of the AUDIOMIX
peripherals. Especially the reset controls for Enhanced Audio
Return Channel (EARC) PHY and Controller

Add reset-controller sub-node for audio_blk_ctrl.

Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>
---
 arch/arm64/boot/dts/freescale/imx8mp.dtsi | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index 459c4a54d30e..f94702ad4210 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -1565,7 +1565,7 @@ sdma2: dma-controller@...10000 {
 			};
 
 			audio_blk_ctrl: clock-controller@...20000 {
-				compatible = "fsl,imx8mp-audio-blk-ctrl";
+				compatible = "fsl,imx8mp-audio-blk-ctrl", "syscon", "simple-mfd";
 				reg = <0x30e20000 0x10000>;
 				#clock-cells = <1>;
 				clocks = <&clk IMX8MP_CLK_AUDIO_ROOT>,
@@ -1582,6 +1582,11 @@ audio_blk_ctrl: clock-controller@...20000 {
 				assigned-clocks = <&clk IMX8MP_AUDIO_PLL1>,
 						  <&clk IMX8MP_AUDIO_PLL2>;
 				assigned-clock-rates = <393216000>, <361267200>;
+
+				audio_blk_ctrl_rst: reset-controller {
+					compatible = "fsl,imx8mp-audiomix-reset";
+					#reset-cells = <1>;
+				};
 			};
 		};
 
-- 
2.34.1