linux-kernel - [PATCH 2/2] arm64: dts: imx8mp-beacon-kit: Fix audio

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Date:   Sun, 13 Aug 2023 11:29:06 -0500
From:   Adam Ford <aford173@...il.com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     aford@...conembedded.com, Adam Ford <aford173@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.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>,
        Lucas Stach <l.stach@...gutronix.de>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] arm64: dts: imx8mp-beacon-kit: Fix audio_pll2 clock

A previous patch removed the audio PLL configuration from the clk
node, which resulted in an incorrect clock rate when attempting
to playback audio.  Fix this by setting the AUDIO_PLL2 rate inside
the SAI3 node since it's the SAI3 that needs it.

Fixes: 16c984524862 ("arm64: dts: imx8mp: don't initialize audio clocks from CCM node")
Signed-off-by: Adam Ford <aford173@...il.com>

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts b/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts
index 06e91297fb16..acd265d8b58e 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts
@@ -381,9 +381,10 @@ &pcie_phy {
 &sai3 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_sai3>;
-	assigned-clocks = <&clk IMX8MP_CLK_SAI3>;
+	assigned-clocks = <&clk IMX8MP_CLK_SAI3>,
+			  <&clk IMX8MP_AUDIO_PLL2> ;
 	assigned-clock-parents = <&clk IMX8MP_AUDIO_PLL2_OUT>;
-	assigned-clock-rates = <12288000>;
+	assigned-clock-rates = <12288000>, <361267200>;
 	fsl,sai-mclk-direction-output;
 	status = "okay";
 };
-- 
2.39.2