1 files changed, 64 insertions, 0 deletions
diff --git a/include/uapi/linux/rsmu.h b/include/uapi/linux/rsmu.h
new file mode 100644
index 000000000000..02c9e38e335d
--- /dev/null
+++ b/include/uapi/linux/rsmu.h
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/*
+ * Driver for the IDT ClockMatrix(TM) and 82p33xxx families of
+ * timing and synchronization devices.
+ *
+ * Copyright (C) 2019 Integrated Device Technology, Inc., a Renesas Company.
+ */
+
+#ifndef __UAPI_LINUX_RSMU_CDEV_H
+#define __UAPI_LINUX_RSMU_CDEV_H
+
+#include <linux/types.h>
+#include <linux/ioctl.h>
+
+/* Set dpll combomode */
+struct rsmu_combomode {
+	__u8 dpll;
+	__u8 mode;
+};
+
+/* Get dpll state */
+struct rsmu_get_state {
+	__u8 dpll;
+	__u8 state;
+};
+
+/* Get dpll ffo (fractional frequency offset) in ppqt*/
+struct rsmu_get_ffo {
+	__u8 dpll;
+	__s64 ffo;
+};
+
+/*
+ * RSMU IOCTL List
+ */
+#define RSMU_MAGIC '?'
+
+/**
+ * @Description
+ * ioctl to set SMU combo mode.
+ *
+ * @Parameters
+ * pointer to struct rsmu_combomode that contains dpll combomode setting
+ */
+#define RSMU_SET_COMBOMODE  _IOW(RSMU_MAGIC, 1, struct rsmu_combomode)
+
+/**
+ * @Description
+ * ioctl to get SMU dpll state.
+ *
+ * @Parameters
+ * pointer to struct rsmu_get_state that contains dpll state
+ */
+#define RSMU_GET_STATE  _IOR(RSMU_MAGIC, 2, struct rsmu_get_state)
+
+/**
+ * @Description
+ * ioctl to get SMU dpll ffo.
+ *
+ * @Parameters
+ * pointer to struct rsmu_get_ffo that contains dpll ffo in ppqt
+ */
+#define RSMU_GET_FFO  _IOR(RSMU_MAGIC, 3, struct rsmu_get_ffo)
+#endif /* __UAPI_LINUX_RSMU_CDEV_H */