Getting 27Mhz from CLKOUT1 of i.MX8

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Getting 27Mhz from CLKOUT1 of i.MX8

355 次查看
araja
Contributor III

Hi,

I am trying to get a 27Mhz clock from IMX8MP_CLK_CLKOUT1

Currently, I can generate 24 MHz.

The dts file is as below:

isp@68 {
    compatible = "onnn,ap0202";
    reg = <0x68>;
    assigned-clocks = <&clk IMX8MP_CLK_CLKOUT1_SEL>;
    assigned-clock-parents = <&clk IMX8MP_CLK_24M>;
    assigned-clock-rates = <24000000>;
    clocks = <&clk IMX8MP_CLK_CLKOUT1>;
    clock-names = "extclk";
    #clock-cells = <0>;

   }

Is there a way to get 27 MHz in place of 24 MHz?

Please advise.

Regards,

Arief

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311 次查看
JosephAtNXP
NXP TechSupport
NXP TechSupport

Hi,

Thank you for your interest in NXP Semiconductor products,

Could you try to change the clock parent as this post suggests?

PLL3 can be mapped as ref manual indicates.

josephlinares_0-1706146085012.png

Regards

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