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firmware: imx: add SCU firmware driver support

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The System Controller Firmware (SCFW) is a low-level system function
which runs on a dedicated Cortex-M core to provide power, clock, and
resource management. It exists on some i.MX8 processors. e.g. i.MX8QM
(QM, QP), and i.MX8QX (QXP, DX).

This patch implements the SCU firmware IPC function and the common
message sending API sc_call_rpc.

Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Jassi Brar <jassisinghbrar@gmail.com>
Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Dong Aisheng 2018-10-07 21:04:42 +08:00 • committed by Shawn Guo
parent c6c2ee00fe
commit edbee095fa
8 changed files with 977 additions and 0 deletions
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16
include/linux/firmware/imx/sci.h Normal file
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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2016 Freescale Semiconductor, Inc.
* Copyright 2017~2018 NXP
*
* Header file containing the public System Controller Interface (SCI)
* definitions.
*/
#ifndef _SC_SCI_H
#define _SC_SCI_H
#include <linux/firmware/imx/ipc.h>
#include <linux/firmware/imx/types.h>
#endif /* _SC_SCI_H */