arm64: dts: ti: k3-j7200-mcu-wakeup: Enable ADC support

J7200 has a single instance of 8 channel ADC in MCU domain. Add DT node
for the same.
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Sekhar Nori <nsekhar@ti.com>
Link: https://lore.kernel.org/r/20201029050950.4500-1-vigneshr@ti.com

arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts

@@ -213,3 +213,9 @@ &usb0 {
 	dr_mode = "otg";
 	maximum-speed = "high-speed";
 };
+
+&tscadc0 {
+	adc {
+		ti,adc-channels = <0 1 2 3 4 5 6 7>;
+	};
+};

arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi

@@ -270,4 +270,23 @@ hbmc: hyperbus@47034000 {
 			mux-controls = <&hbmc_mux 0>;
 		};
 	};
+
+	tscadc0: tscadc@40200000 {
+		compatible = "ti,am3359-tscadc";
+		reg = <0x00 0x40200000 0x00 0x1000>;
+		interrupts = <GIC_SPI 860 IRQ_TYPE_LEVEL_HIGH>;
+		power-domains = <&k3_pds 0 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 0 1>;
+		assigned-clocks = <&k3_clks 0 3>;
+		assigned-clock-rates = <60000000>;
+		clock-names = "adc_tsc_fck";
+		dmas = <&main_udmap 0x7400>,
+			<&main_udmap 0x7401>;
+		dma-names = "fifo0", "fifo1";
+
+		adc {
+			#io-channel-cells = <1>;
+			compatible = "ti,am3359-adc";
+		};
+	};
 };