staging: fsl-mc: Move DPIO from staging to drivers/soc/fsl

Move the NXP DPIO (Datapath I/O Driver) out of the
drivers/staging directory and into the drivers/soc/fsl directory.

The DPIO driver enables access to Queue and Buffer Manager (QBMAN)
hardware on NXP DPAA2 devices. This is a prerequisite to moving the
DPAA2 Ethernet driver out of staging.

Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
Reviewed-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>

1 files changed, 49 insertions, 0 deletions

diff --git a/drivers/soc/fsl/dpio/dpio-cmd.h b/drivers/soc/fsl/dpio/dpio-cmd.h
new file mode 100644
index 0000000..ab8f82e
--- /dev/null
+++ b/drivers/soc/fsl/dpio/dpio-cmd.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
+/*
+ * Copyright 2013-2016 Freescale Semiconductor Inc.
+ * Copyright 2016 NXP
+ *
+ */
+#ifndef _FSL_DPIO_CMD_H
+#define _FSL_DPIO_CMD_H
+
+/* DPIO Version */
+#define DPIO_VER_MAJOR			4
+#define DPIO_VER_MINOR			2
+
+/* Command Versioning */
+
+#define DPIO_CMD_ID_OFFSET		4
+#define DPIO_CMD_BASE_VERSION		1
+
+#define DPIO_CMD(id)	(((id) << DPIO_CMD_ID_OFFSET) | DPIO_CMD_BASE_VERSION)
+
+/* Command IDs */
+#define DPIO_CMDID_CLOSE				DPIO_CMD(0x800)
+#define DPIO_CMDID_OPEN					DPIO_CMD(0x803)
+#define DPIO_CMDID_GET_API_VERSION			DPIO_CMD(0xa03)
+#define DPIO_CMDID_ENABLE				DPIO_CMD(0x002)
+#define DPIO_CMDID_DISABLE				DPIO_CMD(0x003)
+#define DPIO_CMDID_GET_ATTR				DPIO_CMD(0x004)
+
+struct dpio_cmd_open {
+	__le32 dpio_id;
+};
+
+#define DPIO_CHANNEL_MODE_MASK		0x3
+
+struct dpio_rsp_get_attr {
+	/* cmd word 0 */
+	__le32 id;
+	__le16 qbman_portal_id;
+	u8 num_priorities;
+	u8 channel_mode;
+	/* cmd word 1 */
+	__le64 qbman_portal_ce_addr;
+	/* cmd word 2 */
+	__le64 qbman_portal_ci_addr;
+	/* cmd word 3 */
+	__le32 qbman_version;
+};
+
+#endif /* _FSL_DPIO_CMD_H */