Initial USB2422 driver (#14835)

1 files changed, 59 insertions, 0 deletions

diff --git a/drivers/usb2422.h b/drivers/usb2422.h
new file mode 100644
index 0000000000..2e435b02bc
--- /dev/null
+++ b/drivers/usb2422.h
@@ -0,0 +1,59 @@
+/* Copyright 2021 QMK
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+#include <stdbool.h>
+
+#ifndef USB2422_ADDRESS
+#    define USB2422_ADDRESS 0x58
+#endif
+
+#ifndef USB2422_VENDOR_ID
+#    define USB2422_VENDOR_ID 0xFEED
+#endif
+#ifndef USB2422_PRODUCT_ID
+#    define USB2422_PRODUCT_ID 0x0001
+#endif
+#ifndef USB2422_DEVICE_VER
+#    define USB2422_DEVICE_VER 0x0001
+#endif
+
+#ifndef USB2422_MANUFACTURER
+#    define USB2422_MANUFACTURER "QMK"
+#endif
+#ifndef USB2422_PRODUCT
+#    define USB2422_PRODUCT "QMK Hub"
+#endif
+
+/** \brief Initialises the dependent subsystems */
+void USB2422_init(void);
+
+/** \brief Push configuration to the USB2422 device */
+void USB2422_configure(void);
+
+/** \brief Reset the chip (RESET_N)
+ *
+ * NOTE:
+ * Depends on a valid USB2422_RESET_PIN configuration
+ */
+void USB2422_reset(void);
+
+/** \brief Indicates the USB state of the hub (SUSP_IND)
+ *
+ * NOTE:
+ * Depends on a valid USB2422_ACTIVE_PIN configuration
+ */
+bool USB2422_active(void);