linux-zen-server/arch/arm/boot/dts/pxa300-raumfeld-tuneable-clock.dtsi

// SPDX-License-Identifier: GPL-2.0

#include <dt-bindings/clock/maxim,max9485.h>

/ {
	xo_27mhz: oscillator-27mhz {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <27000000>;
		clock-accuracy = <100>;
	};

	sound {
		compatible = "simple-audio-card";
		simple-audio-card,name = "Raumfeld Speaker";
		#address-cells = <1>;
		#size-cells = <0>;

		simple-audio-card,dai-link@0 {
			reg = <0>;
			format = "i2s";
			bitclock-master = <&dailink_master_analog>;
			frame-master = <&dailink_master_analog>;
			mclk-fs = <256>;

			dailink_master_analog: cpu {
				sound-dai = <&ssp_dai0>;
			};

			codec {
				sound-dai = <&cs4270>;
			};
		};
	};
};

&ssp_dai0 {
	clocks = <&max9485 MAX9485_CLKOUT1>;
};

&ssp_dai1 {
	clocks = <&max9485 MAX9485_CLKOUT1>;
};

&pxai2c1 {
	cs4270: codec@48 {
		compatible = "cirrus,cs4270";
		pinctrl-names = "default";
		pinctrl-0 = <&cs4270_pins>;
		reg = <0x48>;
		va-supply = <&reg_va_5v0>;
		vd-supply = <&reg_3v3>;
		vlc-supply = <&reg_3v3>;
		reset-gpios = <&gpio 120 GPIO_ACTIVE_HIGH>;
		#sound-dai-cells = <0>;
	};

	max9485: clock-generator@63 {
		compatible = "maxim,max9485";
		pinctrl-names = "default";
		pinctrl-0 = <&max9485_pins>;
		reg = <0x63>;
		vdd-supply = <&reg_3v3>;
		clock-names = "xclk";
		clocks = <&xo_27mhz>;
		reset-gpios = <&gpio 111 GPIO_ACTIVE_HIGH>;
		#clock-cells = <1>;
	};
};

&pinctrl {
	cs4270_pins: cs4270-pins {
		pinctrl-single,pins = <
			MFP_PIN_PXA300(120) MFP_AF0	/* RESET */
		>;
		pinctrl-single,low-power-mode = MFP_LPM(MFP_LPM_PULL_LOW);
	};

	max9485_pins: max9485-pins {
		pinctrl-single,pins = <
			MFP_PIN_PXA300(111) MFP_AF0	/* RESET */
		>;
		pinctrl-single,low-power-mode = MFP_LPM(MFP_LPM_PULL_LOW);
	};
};