max310x

/* MAx14830.dts to load the MAX14830 driver as spi0*/
/dts-v1/;
/plugin/;
/{
        compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
        fragment@0 {
                target = <&spi0>;
                __overlay__{
                        /* Needed to avoid dtc warning */
                        #address-cells = <1>;
                        #size-cells = <0>;
                        status = "okay";

                        max14830_1: max14830_1@0 {
                                compatible = "maxim,max14830";
                                reg = <0>;
                                mode = <0>;
                                clocks = <0x4b>;
                                clock-names = "xtal";
                                spi-max-frequency =  <12000000>;
                                interrupt-parent = <&gpio>;
                                interrupts = <0x5 0x2>; /*GPIO5 IRQ from MAX14830*/
                                status = "okay";
                                gpio-controller;
                                #gpio-cells = <2>;
                        };
                };
        };
        fragment@1{
                target = <&gpio>;
                __overlay__{
                        max14830_pins: max_14830_pins{
                                brcm,pins = <4>;
                                brcm,function = <0>; /*in*/
                                brcm,pull = <0>; /*none */
                        };
                };
        };

        __overrides__{
                int_pin = <&max14830_1>,"interrupts:0",
                        <&max14830_pins>, "brcm,pins:0";
                speed = <&max14830_1>, "spi-max-frequency:0";
        };
};
-------------------------------------------------------------------------------------------
/*MAX Clock settings : max14830-clock.dts*/
/dts-v1/;
/plugin/;

/{
        compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
        fragment@1 {
                target = <&clocks>;
                __overlay__{
                        #address-cells = <1>;
                        #size-cells = <0>;
                        xtal:xtal@7 {
                                reg = <0x7>;
                                #clock-cells = <0>;
                                compatible = "fixed-clock";
                                clock-frequency = <3686400>;
                                clock-output-names = "xtal";
                        };
                };
        };
};
------------------------------------------------------------------------------------------
/* spidevoff.dts -- Turning of SPI0 and SPI1 dev entries*/
/dts-v1/;
/plugin/;
/{
        compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
        fragment@0 {
                target = <&spidev0>;
                __overlay__{
                        status = "disabled";
                };
        };
        fragment@1 {
                target = <&spidev1>;
                __overlay__ {
                        status = "disabled";
                };
        };
};
------------------------------------------------------------------------------------------
#/boot/config.txt
# uncomment if you get no picture on HDMI for a default "safe" mode
#hdmi_safe=1

# uncomment this if your display has a black border of unused pixels visible
# and your display can output without overscan
#disable_overscan=1

# uncomment the following to adjust overscan. Use positive numbers if console
# goes off screen, and negative if there is too much border
#overscan_left=16
#overscan_right=16
#overscan_top=16
#overscan_bottom=16

# uncomment to force a console size. By default it will be display's size minus
# overscan.
#framebuffer_width=1280
#framebuffer_height=720

# uncomment if hdmi display is not detected and composite is being output
#hdmi_force_hotplug=1

# uncomment to force a specific HDMI mode (this will force VGA)
#hdmi_group=1
#hdmi_mode=1

# uncomment to force a HDMI mode rather than DVI. This can make audio work in
# DMT (computer monitor) modes
#hdmi_drive=2

# uncomment to increase signal to HDMI, if you have interference, blanking, or
# no display
#config_hdmi_boost=4

# uncomment for composite PAL
#sdtv_mode=2

#uncomment to overclock the arm. 700 MHz is the default.
#arm_freq=800

# Uncomment some or all of these to enable the optional hardware interfaces
#dtparam=i2c_arm=on
#dtparam=i2s=on
dtparam=spi=on

# Uncomment this to enable the lirc-rpi module
#dtoverlay=lirc-rpi

# Additional overlays and parameters are documented /boot/overlays/README

# Enable audio (loads snd_bcm2835)
dtparam=audio=on

dtoverlay=spidevoff
dtoverlay=max14830-clock