linux-kernel - [PATCH v1 01/14] arm64: dts: imx8mq-librem5: lower the mipi csi 1 frequencies

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Message-Id: <20230309204608.237605-2-martin.kepplinger@puri.sm>
Date:   Thu,  9 Mar 2023 21:45:55 +0100
From:   Martin Kepplinger <martin.kepplinger@...i.sm>
To:     robh@...nel.org, krzysztof.kozlowski@...aro.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com
Cc:     kernel@...i.sm, linux-imx@....com, devicetree@...r.kernel.org,
        phone-devel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Martin Kepplinger <martin.kepplinger@...i.sm>
Subject: [PATCH v1 01/14] arm64: dts: imx8mq-librem5: lower the mipi csi 1 frequencies

No frames are streamed when using the default frequencies. I'm not yet
sure why the fastest ones don't work here but we've been using these
frequencies successfully for a long time now.

Signed-off-by: Martin Kepplinger <martin.kepplinger@...i.sm>
---
 arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
index 6895bcc121651..c81cf3e6582b1 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
@@ -1143,6 +1143,7 @@ &lcdif {
 };
 
 &mipi_csi1 {
+	assigned-clock-rates = <266000000>, <200000000>, <66000000>;
 	status = "okay";
 
 	ports {
-- 
2.30.2