[  103.173064] bone_capemgr bone_capemgr: part_number 'LZ-PODTIQUE1', version 'N/A'
[  103.173107] bone_capemgr bone_capemgr: slot #4: override
[  103.173345] bone_capemgr bone_capemgr: Using override eeprom data at slot 4
[  103.173372] bone_capemgr bone_capemgr: slot #4: 'Override Board Name,00A0,Override Manuf,LZ-PODTIQUE1'
[  103.180866] of_resolve_phandles: Could not find symbol 'clk_mcasp0'
[  103.187269] bone_capemgr bone_capemgr: slot #4: Failed to resolve tree


#include "dt-bindings/gpio/gpio.h"
#include "dt-bindings/pinctrl/am33xx.h"

/dts-v1/;
/plugin/;

/ {
    compatible = "ti,beaglebone-black", "ti,beaglebone-green";

    /* identification */
    part-number = "LZ-PODTIQUE1";

    /* version */
    version = "00A0";

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

			lz_podtique_reg_pins: pinmux_lz_podtique_reg_pins {
				pinctrl-single,pins = <
					0x048 (PIN_OUTPUT_PULLDOWN | MUX_MODE7)					//	P9_14, CODEC regulator enable
					0x04c (PIN_OUTPUT_PULLDOWN | MUX_MODE7)					//	P9_16, CODEC nRESET
				>;
			};

			i2c2_pins: pinmux_i2c2_pins {
				pinctrl-single,pins = <
					0x150 (SLEWCTRL_SLOW | PIN_INPUT_PULLUP | MUX_MODE2)	//	P9_22, spi0_scl.i2c2_sda
					0x154 (SLEWCTRL_SLOW | PIN_INPUT_PULLUP | MUX_MODE2)	//	P9_21, spi0_d0.i2c2_scl
				>;
			};

			i2s_pins: pinmux_i2s_pins {
				pinctrl-single,pins = <					//	Hdr		I2S		TLV		SoC
					0x190 (PIN_INPUT | MUX_MODE0)		//	P9_31	BCLK	BCLK	mcasp0_aclkx
					0x194 (PIN_INPUT | MUX_MODE0)		//	P9_29	WCLK	WCLK	mcasp0_fsx
					0x198 (PIN_INPUT | MUX_MODE0)		//	P9_30 	RX		SDOUT	mcasp0_axr0
					0x19c (PIN_INPUT | MUX_MODE2)		//	P9_28	TX		SDIN	mcasp0_axr2
					0x1ac (PIN_INPUT | MUX_MODE0)		//	P9_25	MCLK	MCLK	mcasp0_ahclkx
				>;
			};
		};
	};

	fragment@2 {
		target = <&ocp>;
		__overlay__ {
			gpio_helper {
				compatible = "gpio-of-helper";
				status = "okay";
				pinctrl-names = "default";
				pinctrl-0 = <&lz_podtique_reg_pins>;
			};
		};
	};

	fragment@3 {
		target-path="/";
		__overlay__ {
			lz_codec_reg: fixedregulator@1 {
				compatible = "regulator-fixed";
				regulator-name = "lz-codec-reg";
				gpio = <&gpio1 18 GPIO_ACTIVE_HIGH>;	//	GPIO_ACTIVE_HIGH is ignored by regulator-fixed,
				enable-active-high;						//	need to also have enable-active-high.
			};
		};
	};

	fragment@4 {
		target = <&i2c2>;
		__overlay__ {
			#address-cells = <1>;
			#size-cells = <0>;
			clock-frequency = <100000>;
			status = "okay";
			pinctrl-names = "default";
			pinctrl-0 = <&i2c2_pins>;

			tlv320aic3104: tlv320aic3104@0 {
				#sound-dai-cells = <0>;
				compatible = "ti,tlv320aic3104";
				reg = <0x18>;
				gpio-reset = <&gpio1 19 GPIO_ACTIVE_LOW>;

				AVDD-supply = <&lz_codec_reg>;
				IOVDD-supply = <&lz_codec_reg>;
				DRVDD-supply = <&lz_codec_reg>;
				DVDD-supply = <&lz_codec_reg>;
			};
		};
	};

	fragment@5 {
		target = <&mcasp0>;
		__overlay__ {
			#sound-dai-cells = <0>;
			pinctrl-names = "default";
			pinctrl-0 = <&i2s_pins>;

			status = "okay";

			op-mode = <0>;          /* MCASP_IIS_MODE */
			tdm-slots = <2>;
			num-serializer = <16>;
			serial-dir = <  /* 0: INACTIVE, 1: TX, 2: RX */
				2 0 1 0
				0 0 0 0
				0 0 0 0
				0 0 0 0
			>;
			tx-num-evt = <1>;
			rx-num-evt = <1>;
		};
	};

	fragment@6 {
		target-path="/";
		__overlay__ {
			sound {
				compatible = "simple-audio-card";
				simple-audio-card,name = "Podtique Cape Rev A";
				simple-audio-card,widgets =
					"Speaker",				"External Speaker";
				simple-audio-card,routing =
					"External Speaker",		"LLOUT",
					"External Speaker",		"RLOUT";
				simple-audio-card,format = "dsp_b";
				simple-audio-card,bitclock-master = <&sound_master>;
				simple-audio-card,frame-master = <&sound_master>;
				simple-audio-card,bitclock-inversion;

				simple-audio-card,cpu {
					sound-dai = <&mcasp0>;
				};

				sound_master: simple-audio-card,codec {
					#sound-dai-cells = <0>;
					sound-dai = <&tlv320aic3104>;
					clocks = <&clk_mcasp0>;
					clock-names = "mclk";
				};
			};
		};
	};

	fragment@7 {
		target = <&tscadc>;
		__overlay__ {

			status = "okay";
			adc {
				ti,adc-channels = <0 1 2>;
			};
		};
	};

	fragment@8 {         // Enable the PRUSS
		target = <&pruss>;
		__overlay__ {
			status = "okay";
		};
	};
};