bbai_mcp2515

fragment@0 {
     target = <&am33xx_pinmux>;
     __overlay__ {

       bone_spi1_pins: pinmux_bone_spi1_pins {
         pinctrl-single,pins = <
           0x190 0x33 /* mcasp0_aclkx.spi1_sclk, RX_ENABLED | PULLUP | MODE3 */
           0x194 0x33 /* mcasp0_fsx.spi1_d0, RX_ENABLED | PULLUP | MODE3 */
           0x198 0x13 /* mcasp0_axr0.spi1_d1, OUTPUT_PULLUP | MODE3 */
           0x19c 0x13 /* mcasp0_ahclkr.spi1_cs0, OUTPUT_PULLUP | MODE3 */
         >;
       };

       bone_mcp2515_0_pins: pinmux_bone_0_mcp2515_pins {
         pinctrl-single,pins = <
           0x1AC 0x37 /* mcasp0_ahclkx.gpio3_21, RX_ENABLED | PULLUP | MODE7 */
         >;
       };

        mcp251x_clock: mcp2515 {
            compatible = "fixed-clock";
            #clock-cells = <0>;
            clock-frequency = <16000000>;
        };

     };
   };

   fragment@1 {
         target = <&spi1>;

     __overlay__ {
       #address-cells = <1>;
       #size-cells = <0>;

       status = "okay";
       pinctrl-names = "default";
       pinctrl-0 = <&bone_spi1_pins>;

       cs-gpios = <&gpio4 17 0>, <&gpio1 7 0>;

       mcp2515@0 {

         compatible = "microchip,mcp2515";
         reg = <0>; /* cs0 */
         mode = <0>;

         spi-max-frequency = <10000000>;
         clocks = <&mcp251x_clock>;

         pinctrl-names = "default";
         pinctrl-0 = <&bone_mcp2515_0_pins>;

         interrupt-parent = <&gpio4>;
         interrupts = <21>;

         mcp251x,oscillator-frequency = <16000000>;
         mcp251x,irq-gpios = <&gpio4 21 0>;
         mcp251x,stay-awake = <1>;
         mcp251x,enable-clkout = <1>;

       };
     };
   };