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author | A.s. Dong <aisheng.dong@nxp.com> | 2018-11-01 15:20:08 +0000 |
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committer | Shawn Guo <shawnguo@kernel.org> | 2018-11-14 09:20:44 +0800 |
commit | 0a914a4948d4604c08750ae67dc33f8b5702402f (patch) | |
tree | 57961c2ee0e53e31ac40e88b23a3de04f6c8c5f5 /include/linux/firmware/imx | |
parent | d357b3134c9a7b1b78f5bfb2cd92423b91407cda (diff) | |
download | linux-0a914a4948d4604c08750ae67dc33f8b5702402f.tar.gz linux-0a914a4948d4604c08750ae67dc33f8b5702402f.tar.bz2 linux-0a914a4948d4604c08750ae67dc33f8b5702402f.zip |
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>
Diffstat (limited to 'include/linux/firmware/imx')
-rw-r--r-- | include/linux/firmware/imx/sci.h | 1 | ||||
-rw-r--r-- | include/linux/firmware/imx/svc/pm.h | 85 |
2 files changed, 86 insertions, 0 deletions
diff --git a/include/linux/firmware/imx/sci.h b/include/linux/firmware/imx/sci.h index 29ada609de03..ebc55098faee 100644 --- a/include/linux/firmware/imx/sci.h +++ b/include/linux/firmware/imx/sci.h @@ -14,4 +14,5 @@ #include <linux/firmware/imx/types.h> #include <linux/firmware/imx/svc/misc.h> +#include <linux/firmware/imx/svc/pm.h> #endif /* _SC_SCI_H */ diff --git a/include/linux/firmware/imx/svc/pm.h b/include/linux/firmware/imx/svc/pm.h new file mode 100644 index 000000000000..1f6975dd37b0 --- /dev/null +++ b/include/linux/firmware/imx/svc/pm.h @@ -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 */ |