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ARM: dts: nxp/imx: limit sk-imx53 supported frequencies

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The SK-IMX53 board, bearing i.MX536A CPU, is not stable when running at
1.2 GHz (default iMX53 maximum). The SoC is only rated up to 800 MHz.
Disable 1.2 GHz and 1 GHz frequencies.

Fixes: 0b8576d844 ("ARM: dts: imx: Add support for SK-iMX53 board")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Dmitry Baryshkov 2023-07-09 23:30:19 +03:00 committed by Shawn Guo
parent b27bfc5103
commit c486762fb1
1 changed files with 10 additions and 0 deletions
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10
arch/arm/boot/dts/nxp/imx/imx53-sk-imx53.dts
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@ -60,6 +60,16 @@
status = "okay";
};
&cpu0 {
/* CPU rated to 800 MHz, not the default 1.2GHz. */
operating-points = <
/* kHz uV */
166666 850000
400000 900000
800000 1050000
>;
};
&ecspi1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_ecspi1>;