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firmware: imx: add pm svc headfile 

Add SCU PM SVC related protocol definitions which will be used by
a number of PM functions like Power Domain, Clock, Reset and etc.
The detailed implementation of each function will put in the individual
function drivers.

Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <kernel@pengutronix.de>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
A.s. Dong 2018-11-01 15:20:08 +00:00 committed by Shawn Guo
parent d357b3134c
commit 0a914a4948
2 changed files with 86 additions and 0 deletions
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1
include/linux/firmware/imx/sci.h
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@ -14,4 +14,5 @@
#include <linux/firmware/imx/types.h> #include <linux/firmware/imx/types.h>
#include <linux/firmware/imx/svc/misc.h> #include <linux/firmware/imx/svc/misc.h>
#include <linux/firmware/imx/svc/pm.h>
#endif /* _SC_SCI_H */ #endif /* _SC_SCI_H */

85
include/linux/firmware/imx/svc/pm.h Normal file
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@ -0,0 +1,85 @@
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2016 Freescale Semiconductor, Inc.
* Copyright 2017-2018 NXP
*
* Header file containing the public API for the System Controller (SC)
* Power Management (PM) function. This includes functions for power state
* control, clock control, reset control, and wake-up event control.
*
* PM_SVC (SVC) Power Management Service
*
* Module for the Power Management (PM) service.
*/
#ifndef _SC_PM_API_H
#define _SC_PM_API_H
#include <linux/firmware/imx/sci.h>
/*
* This type is used to indicate RPC PM function calls.
*/
enum imx_sc_pm_func {
IMX_SC_PM_FUNC_UNKNOWN = 0,
IMX_SC_PM_FUNC_SET_SYS_POWER_MODE = 19,
IMX_SC_PM_FUNC_SET_PARTITION_POWER_MODE = 1,
IMX_SC_PM_FUNC_GET_SYS_POWER_MODE = 2,
IMX_SC_PM_FUNC_SET_RESOURCE_POWER_MODE = 3,
IMX_SC_PM_FUNC_GET_RESOURCE_POWER_MODE = 4,
IMX_SC_PM_FUNC_REQ_LOW_POWER_MODE = 16,
IMX_SC_PM_FUNC_SET_CPU_RESUME_ADDR = 17,
IMX_SC_PM_FUNC_REQ_SYS_IF_POWER_MODE = 18,
IMX_SC_PM_FUNC_SET_CLOCK_RATE = 5,
IMX_SC_PM_FUNC_GET_CLOCK_RATE = 6,
IMX_SC_PM_FUNC_CLOCK_ENABLE = 7,
IMX_SC_PM_FUNC_SET_CLOCK_PARENT = 14,
IMX_SC_PM_FUNC_GET_CLOCK_PARENT = 15,
IMX_SC_PM_FUNC_RESET = 13,
IMX_SC_PM_FUNC_RESET_REASON = 10,
IMX_SC_PM_FUNC_BOOT = 8,
IMX_SC_PM_FUNC_REBOOT = 9,
IMX_SC_PM_FUNC_REBOOT_PARTITION = 12,
IMX_SC_PM_FUNC_CPU_START = 11,
};
/*
* Defines for ALL parameters
*/
#define IMX_SC_PM_CLK_ALL UINT8_MAX /* All clocks */
/*
* Defines for SC PM Power Mode
*/
#define IMX_SC_PM_PW_MODE_OFF 0 /* Power off */
#define IMX_SC_PM_PW_MODE_STBY 1 /* Power in standby */
#define IMX_SC_PM_PW_MODE_LP 2 /* Power in low-power */
#define IMX_SC_PM_PW_MODE_ON 3 /* Power on */
/*
* Defines for SC PM CLK
*/
#define IMX_SC_PM_CLK_SLV_BUS 0 /* Slave bus clock */
#define IMX_SC_PM_CLK_MST_BUS 1 /* Master bus clock */
#define IMX_SC_PM_CLK_PER 2 /* Peripheral clock */
#define IMX_SC_PM_CLK_PHY 3 /* Phy clock */
#define IMX_SC_PM_CLK_MISC 4 /* Misc clock */
#define IMX_SC_PM_CLK_MISC0 0 /* Misc 0 clock */
#define IMX_SC_PM_CLK_MISC1 1 /* Misc 1 clock */
#define IMX_SC_PM_CLK_MISC2 2 /* Misc 2 clock */
#define IMX_SC_PM_CLK_MISC3 3 /* Misc 3 clock */
#define IMX_SC_PM_CLK_MISC4 4 /* Misc 4 clock */
#define IMX_SC_PM_CLK_CPU 2 /* CPU clock */
#define IMX_SC_PM_CLK_PLL 4 /* PLL */
#define IMX_SC_PM_CLK_BYPASS 4 /* Bypass clock */
/*
* Defines for SC PM CLK Parent
*/
#define IMX_SC_PM_PARENT_XTAL 0 /* Parent is XTAL. */
#define IMX_SC_PM_PARENT_PLL0 1 /* Parent is PLL0 */
#define IMX_SC_PM_PARENT_PLL1 2 /* Parent is PLL1 or PLL0/2 */
#define IMX_SC_PM_PARENT_PLL2 3 /* Parent in PLL2 or PLL0/4 */
#define IMX_SC_PM_PARENT_BYPS 4 /* Parent is a bypass clock. */
#endif /* _SC_PM_API_H */