app.overlay

// NOTE:
// - PE14 doesn't seem to be hooked up on the board, so SW2 doesn't do DOWN.

/ {
    chosen {
        led,debug_0 = &green_led_4;
        led,debug_1 = &orange_led_3;
        led,debug_2 = &red_led_5;
        led,debug_3 = &blue_led_6;
        led,status_0 = &led_d1;
        led,status_1 = &led_d8;
        led,status_2 = &led_d3;
        led,status_3 = &led_d4;
        led,status_4 = &led_d7;

        enc,osc_wave = &enc_s3;
        enc,osc_pitch = &enc_s1;
        enc,osc_volume = &enc_s4;

        audio,i2s = &i2s3;
        audio,codec = &audio_codec;

        // enc,lfo_freq = &enc_s2;
        // enc,lfo_amp = &enc_s5;
        // enc,lfo_amp_rel = &enc_s6;
        // enc_amp_mod_att = &enc_lfo_freq;
        // enc_amp_mod_sus = &enc_lfo_amp;

        sw,osc_sel = &sw_osc1;
        sw,effects_sel = &sw1;
        sw,effects_target = &sw2;
        sw,effects_conf = &sw3;
    };

    switches {
        compatible = "three-pos-switches";

        sw_osc1: sw_osc1 {
            down-pin = <&gpioe 8 GPIO_ACTIVE_HIGH>;
            up-pin = <&gpioe 9 GPIO_ACTIVE_HIGH>;
        };

        sw1: sw1 {
            down-pin = <&gpioe 12 GPIO_ACTIVE_HIGH>;
            up-pin = <&gpioe 13 GPIO_ACTIVE_HIGH>;
        };

        sw2: sw2 {
            down-pin = <&gpioe 14 GPIO_ACTIVE_HIGH>;
            up-pin = <&gpioe 15 GPIO_ACTIVE_HIGH>;
        };

        sw3: sw3 {
            down-pin = <&gpioe 10 GPIO_ACTIVE_HIGH>;
            up-pin = <&gpioe 11 GPIO_ACTIVE_HIGH>;
        };
    };

    encoders {
        compatible = "rotary-encoders";

        enc_s3: s3 {
            a-pin = <&io_expander 0 GPIO_ACTIVE_HIGH>;
            b-pin = <&io_expander 1 GPIO_ACTIVE_HIGH>;
        };

        enc_s1: s1 {
            a-pin = <&io_expander 2 GPIO_ACTIVE_HIGH>;
            b-pin = <&io_expander 3 GPIO_ACTIVE_HIGH>;
        };

        enc_s4: s4 {
            a-pin = <&io_expander 4 GPIO_ACTIVE_HIGH>;
            b-pin = <&io_expander 5 GPIO_ACTIVE_HIGH>;
        };
        enc_s2: s2 {
            a-pin = <&io_expander 6 GPIO_ACTIVE_HIGH>;
            b-pin = <&io_expander 7 GPIO_ACTIVE_HIGH>;
        };
        enc_s5: s5 {
            a-pin = <&io_expander 8 GPIO_ACTIVE_HIGH>;
            b-pin = <&io_expander 9 GPIO_ACTIVE_HIGH>;
        };
        enc_s6: s6 {
            a-pin = <&io_expander 10 GPIO_ACTIVE_HIGH>;
            b-pin = <&io_expander 11 GPIO_ACTIVE_HIGH>;
        };
    };

    leds {
        compatible = "gpio-leds";

        led_d1: d1 {
            gpios = <&gpiod 0 GPIO_ACTIVE_HIGH>;
        };
        led_d8: d8 {
            gpios = <&gpiod 1 GPIO_ACTIVE_HIGH>;
        };
        led_d3: d3 {
            gpios = <&gpiod 2 GPIO_ACTIVE_HIGH>;
        };
        led_d4: d4 {
            gpios = <&gpioe 3 GPIO_ACTIVE_HIGH>;
        };
        led_d7: d7 {
            gpios = <&gpioe 5 GPIO_ACTIVE_HIGH>;
        };
    };
};

&zephyr_udc0 {
    cdc_acm_uart0 {
		compatible = "zephyr,cdc-acm-uart";
	};
};

&i2c1 {
    status = "okay";

    clock-frequency = <I2C_BITRATE_FAST>;
    pinctrl-0 = <&i2c1_sda_pb9 &i2c1_scl_pb6>;
    pinctrl-names = "default";

    io_expander: pca9555@20 {
        compatible = "nxp,pca95xx";
        reg = <0x20>;

        gpio-controller;
        #gpio-cells = <2>;
        ngpios = <16>;
        interrupt-gpios = <&gpiob 4 GPIO_ACTIVE_LOW>;
    };

	audio_codec: cs43l22@4a {
		compatible = "cirrus,cs43l22";
		reg = <0x4a>;

		reset-gpios = <&gpiod 4 0>;
	};
};

&dma1 {
    status = "okay";
};

&plli2s {
    status = "okay";

    mul-n = <271>;
    div-r = <2>;
};

&i2s3 {
    status = "okay";

    mck-enabled;
    pinctrl-0 = <&i2s3_ws_pa4 &i2s3_ck_pc10 &i2s3_sd_pc12 &i2s3_mck_pc7>;
    clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00008000>,
             <&rcc STM32_SRC_PLLI2S_R I2S_SEL(0)>;
    pinctrl-names = "default";
};