Device migrations, driver migrations and more (#575)

Drivers/ch422g-module/include/bindings/ch422g.h

@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: Apache-2.0
+#pragma once
+
+#include <tactility/bindings/bindings.h>
+#include <drivers/ch422g.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+DEFINE_DEVICETREE(ch422g, struct Ch422gConfig)
+
+#ifdef __cplusplus
+}
+#endif

Drivers/ch422g-module/include/ch422g_module.h

@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: Apache-2.0
+#pragma once
+
+#include <tactility/module.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern struct Module ch422g_module;
+
+#ifdef __cplusplus
+}
+#endif

Drivers/ch422g-module/include/drivers/ch422g.h

@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: Apache-2.0
+#pragma once
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct Ch422gConfig {
+    /** Address of the WR_SET (system config) pseudo-register. RD_IO and WR_IO are separate
+     *  fixed pseudo-addresses (the chip has no address-select pins, so this is always 0x24). */
+    uint8_t address;
+};
+
+#ifdef __cplusplus
+}
+#endif