/dts-v1/;
/plugin/;

#include <dt-bindings/clock/bcm2835.h>

/*
 * Fake a higher clock rate to get a larger divisor, and thereby a lower
 * baudrate. The real clock is 48MHz, which we scale so that requesting
 * 38.4kHz results in an actual 31.25kHz.
 *
 *   48000000*38400/31250 = 58982400
 */

/{
        compatible = "brcm,bcm2835";

        fragment@0 {
                target-path = "/";
                __overlay__ {
                        midi_clk: midi_clk4 {
                                compatible = "fixed-clock";
                                #clock-cells = <0>;
                                clock-output-names = "uart4_pclk";
                                clock-frequency = <58982400>;
                        };
                };
        };

        fragment@1 {
                target = <&uart4>;
                __overlay__ {
                        clocks = <&midi_clk>,
                                 <&clocks BCM2835_CLOCK_VPU>;
                };
        };
};