New kernel drivers and device migrations (#563)

Drivers/hx8357-module/include/bindings/hx8357.h

@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: Apache-2.0
+#pragma once
+
+#include <tactility/bindings/bindings.h>
+#include <drivers/hx8357.h>
+
+DEFINE_DEVICETREE(hx8357, struct Hx8357Config)

Drivers/hx8357-module/include/drivers/hx8357.h

@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: Apache-2.0
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#include <tactility/device.h>
+#include <tactility/drivers/gpio.h>
+
+struct Hx8357Config {
+    uint16_t horizontal_resolution;
+    uint16_t vertical_resolution;
+    int32_t gap_x;
+    int32_t gap_y;
+    bool swap_xy;
+    bool mirror_x;
+    bool mirror_y;
+    bool invert_color;
+    uint32_t pixel_clock_hz;
+    struct GpioPinSpec pin_dc;
+    struct GpioPinSpec pin_reset;
+    bool reset_active_high;
+    // Optional reference to this display's backlight device, NULL if none.
+    struct Device* backlight;
+};
+
+#ifdef __cplusplus
+}
+#endif

Drivers/hx8357-module/include/hx8357_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 hx8357_module;
+
+#ifdef __cplusplus
+}
+#endif