/ {
    gpio_demo: gpio_demo {
        compatible = "firefly,rk3588-gpio";
        status = "disabled";
        pinctrl-names = "default";
        pinctrl-0 = <&pin56_57_gpio>;
        firefly-gpio = <&gpio1 RK_PD0 GPIO_ACTIVE_HIGH>;             /*GPIO1_D0*/
        firefly-irq-gpio = <&gpio1 RK_PD1 IRQ_TYPE_EDGE_RISING>;    /*GPIO1_D1*/
    };

    adc_demo: adc_demo {
        compatible = "firefly,rk3588-adc";
        status = "disabled";
        io-channels = <&saradc 6>;
    };

    pwm_demo: pwm_demo {
        compatible = "firefly,rk3588-pwm";
        status = "disabled";
        pwms = <&pwm15 0 100000000 1>;   //pwm1:PWM number   0 100000000:PWM period in nanoseconds  1:polarity
        duty_ns = <50000000>;   //pwm duty cycle activation time, unit ns
        pinctrl-names = "default";
        pinctrl-0 = <&pwm15m2_pins>;
    };

    led_demo: led_demo {
        compatible = "firefly,rk3588-led";
        status = "disabled";
    };
};

&i2c7 {
    status = "disabled";
    pinctrl-names = "default","i2c7_gpio";
    pinctrl-1 = <&i2c7m0_gpio>;
    gpios = <&gpio1 RK_PD0 GPIO_ACTIVE_HIGH>,<&gpio1 RK_PD1 GPIO_ACTIVE_LOW>;
};

&spi1{
    spi_demo: spi_demo@0 {
        compatible = "firefly,rk3588-spi";
        status = "disabled";
        reg = <0x0>;
        spi-max-frequency = <50000000>;
        //spi-cpha;   /* SPI mode: CPHA=1 */
        //spi-cpol; 	/* SPI mode: CPOL=1 */
        //spi-cs-high;
    };
};

//&spidev1 {
//    status = "disabled";
//};

&pinctrl {
    gpio{
        pin56_57_gpio: pin56_57_gpio{
            rockchip,pins =
            <1 RK_PD0 0 &pcfg_pull_none>,
            <1 RK_PD1 0 &pcfg_pull_none>; 
        };
    };

    i2c7{
        i2c7m0_gpio: i2c7m0-gpio{
        rockchip,pins =
            /* i2c7_gpio1_d0 */
            <1 RK_PD0 0 &pcfg_pull_none>,
            /* i2c7_gpio1_d1 */
            <1 RK_PD1 0 &pcfg_pull_none>; 
        };
    }; 
};