forked from Qortal/Brooklyn
39 lines
997 B
Plaintext
39 lines
997 B
Plaintext
/dts-v1/;
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/plugin/;
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#include <dt-bindings/clock/bcm2835.h>
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/*
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* Fake a higher clock rate to get a larger divisor, and thereby a lower
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* baudrate. The real clock is 48MHz, which we scale so that requesting
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* 38.4kHz results in an actual 31.25kHz.
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*
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* 48000000*38400/31250 = 58982400
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*/
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/{
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compatible = "brcm,bcm2835";
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fragment@0 {
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target-path = "/";
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__overlay__ {
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midi_clk: midi_clk3 {
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compatible = "fixed-clock";
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#clock-cells = <0>;
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clock-output-names = "uart3_pclk";
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clock-frequency = <58982400>;
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};
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};
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};
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fragment@1 {
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target = <&uart3>;
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__overlay__ {
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clocks = <&midi_clk>,
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<&clocks BCM2835_CLOCK_VPU>;
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};
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};
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};
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