devicetree switch and adconverter

+&pio{
+	spi1_cs1: spi1_cs1 {
+		pins = "PC3";
+		function = "gpio_out";
+		output-high;
+	};
+};
+&spi1 {
+	#address-cells= <1>;
+   #size-cells = <0>;
+	status = "okay";
+	bias-pull-up;
+	spi-max-frequency = <10000000>;
+	pinctrl-names = "default", "default";
+	pinctrl-1 = <&spi1_cs1>;
+	cs-gpios = <0>, <&pio 2 3 GPIO_ACTIVE_LOW>; //CS0 &pio 0 13 GPIO_ACTIVE_LOW  e PC3?
+	num-chipselects=<2>;
+	switch: spi@0 {
+		compatible = "spidev";
+		reg = <0>;
+		spi-max-frequency = <10000000>;
+	};
+	adconverter: spi@1 {
+		compatible = "ti,adc108s102","ti,adc128s102","ti,ti-adc108s102","ti,ti_adc108s102","spidev";
+		reg = <1>;
+		vref-supply = <&reg_vcc3v3>;
+		spi-max-frequency = <10000000>;
+		#io-channel-cells = <5>;
+		spi-cpha;
+		spi-cpol;
+       };
+};