snippets: tests: all drivers: i2c: add SC18IS604

Support the SC18IS604 chip on build all I2C driver test.

Signed-off-by: Stephan Linz <[email protected]>

snippets/tstdrv-bldall-i2c-adj/tstdrv-bldall-i2c-adj.conf

@@ -1,2 +1,9 @@
 # Copyright (c) 2024 TiaC Systems
 # SPDX-License-Identifier: Apache-2.0
+
+CONFIG_MFD=y
+CONFIG_I2C=y
+CONFIG_SPI=y
+CONFIG_GPIO=y
+
+CONFIG_DYNAMIC_THREAD_POOL_SIZE=2

snippets/tstdrv-bldall-i2c-adj/tstdrv-bldall-i2c-adj.overlay

@@ -44,7 +44,24 @@
 		clock-frequency = <2000000>;
 
 		/* one entry for every devices */
-		/* cs-gpios = <&test_gpio_adj 0 0>; */
+		cs-gpios = <&test_gpio_adj 0 0>;
+
+		test_spi_sc18is604: sc18is604-spi@0 {
+			compatible = "nxp,sc18is604";
+			status = "okay";
+			reg = <0x0>;
+			spi-max-frequency = <650000>;
+			reset-gpios = <&test_gpio_adj 0 0>;
+			interrupt-gpios = <&test_gpio_adj 0 0>;
+
+			test_spi_sc18is604_i2c: sc18is604-spi-i2c {
+				compatible = "nxp,sc18is604-i2c";
+				status = "okay";
+				#address-cells = <1>;
+				#size-cells = <0>;
+				clock-frequency = <100000>;
+			};
+		};
 	};
 
 	test_uart_adj: uart@ddddeeee {