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[75.72.162.184]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-4796edc29ccsm99746291cf.77.2025.04.15.18.01.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Apr 2025 18:01:54 -0700 (PDT) From: Adam Ford To: linux-arm-kernel@lists.infradead.org Cc: aford@beaconembedded.com, Frank.li@nxp.com, Adam Ford , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH V2 05/10] arm64: dts: imx8mn-beacon: Set SAI5 MCLK direction to output for HDMI audio Date: Tue, 15 Apr 2025 20:01:31 -0500 Message-ID: <20250416010141.1785841-5-aford173@gmail.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250416010141.1785841-1-aford173@gmail.com> References: <20250416010141.1785841-1-aford173@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The HDMI bridge chip fails to generate an audio source due to the SAI5 master clock (MCLK) direction not being set to output. This prevents proper clocking of the HDMI audio interface. Add the `fsl,sai-mclk-direction-output` property to the SAI5 node to ensure the MCLK is driven by the SoC, resolving the HDMI sound issue. Fixes: 1d6880ceef43 ("arm64: dts: imx8mn-beacon: Add HDMI video with sound") Signed-off-by: Adam Ford --- V2: Change commit message, no active changes. arch/arm64/boot/dts/freescale/imx8mn-beacon-kit.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mn-beacon-kit.dts b/arch/arm64/boot/dts/freescale/imx8mn-beacon-kit.dts index 1df5ceb11387..37fc5ed98d7f 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn-beacon-kit.dts +++ b/arch/arm64/boot/dts/freescale/imx8mn-beacon-kit.dts @@ -124,6 +124,7 @@ &sai5 { assigned-clock-parents = <&clk IMX8MN_AUDIO_PLL1_OUT>; assigned-clock-rates = <24576000>; #sound-dai-cells = <0>; + fsl,sai-mclk-direction-output; status = "okay"; }; -- 2.48.1