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7232398abc
This commit converts the PMC support code to a platform driver. Because the boot process needs to call into this driver very early, also set up a minimal environment via an early initcall. Signed-off-by: Thierry Reding <treding@nvidia.com>
158 lines
4.0 KiB
C
158 lines
4.0 KiB
C
/*
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* Copyright (c) 2010 Google, Inc
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* Copyright (c) 2014 NVIDIA Corporation
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*
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* Author:
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* Colin Cross <ccross@google.com>
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef __SOC_TEGRA_PMC_H__
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#define __SOC_TEGRA_PMC_H__
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#include <linux/reboot.h>
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#include <soc/tegra/pm.h>
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struct clk;
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struct reset_control;
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void tegra_pmc_restart(enum reboot_mode mode, const char *cmd);
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#ifdef CONFIG_PM_SLEEP
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enum tegra_suspend_mode tegra_pmc_get_suspend_mode(void);
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void tegra_pmc_set_suspend_mode(enum tegra_suspend_mode mode);
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void tegra_pmc_enter_suspend_mode(enum tegra_suspend_mode mode);
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#endif /* CONFIG_PM_SLEEP */
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#ifdef CONFIG_SMP
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bool tegra_pmc_cpu_is_powered(int cpuid);
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int tegra_pmc_cpu_power_on(int cpuid);
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int tegra_pmc_cpu_remove_clamping(int cpuid);
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#endif /* CONFIG_SMP */
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/*
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* powergate and I/O rail APIs
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*/
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#define TEGRA_POWERGATE_CPU 0
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#define TEGRA_POWERGATE_3D 1
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#define TEGRA_POWERGATE_VENC 2
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#define TEGRA_POWERGATE_PCIE 3
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#define TEGRA_POWERGATE_VDEC 4
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#define TEGRA_POWERGATE_L2 5
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#define TEGRA_POWERGATE_MPE 6
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#define TEGRA_POWERGATE_HEG 7
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#define TEGRA_POWERGATE_SATA 8
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#define TEGRA_POWERGATE_CPU1 9
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#define TEGRA_POWERGATE_CPU2 10
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#define TEGRA_POWERGATE_CPU3 11
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#define TEGRA_POWERGATE_CELP 12
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#define TEGRA_POWERGATE_3D1 13
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#define TEGRA_POWERGATE_CPU0 14
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#define TEGRA_POWERGATE_C0NC 15
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#define TEGRA_POWERGATE_C1NC 16
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#define TEGRA_POWERGATE_SOR 17
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#define TEGRA_POWERGATE_DIS 18
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#define TEGRA_POWERGATE_DISB 19
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#define TEGRA_POWERGATE_XUSBA 20
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#define TEGRA_POWERGATE_XUSBB 21
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#define TEGRA_POWERGATE_XUSBC 22
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#define TEGRA_POWERGATE_VIC 23
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#define TEGRA_POWERGATE_IRAM 24
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#define TEGRA_POWERGATE_3D0 TEGRA_POWERGATE_3D
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#define TEGRA_IO_RAIL_CSIA 0
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#define TEGRA_IO_RAIL_CSIB 1
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#define TEGRA_IO_RAIL_DSI 2
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#define TEGRA_IO_RAIL_MIPI_BIAS 3
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#define TEGRA_IO_RAIL_PEX_BIAS 4
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#define TEGRA_IO_RAIL_PEX_CLK1 5
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#define TEGRA_IO_RAIL_PEX_CLK2 6
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#define TEGRA_IO_RAIL_USB0 9
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#define TEGRA_IO_RAIL_USB1 10
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#define TEGRA_IO_RAIL_USB2 11
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#define TEGRA_IO_RAIL_USB_BIAS 12
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#define TEGRA_IO_RAIL_NAND 13
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#define TEGRA_IO_RAIL_UART 14
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#define TEGRA_IO_RAIL_BB 15
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#define TEGRA_IO_RAIL_AUDIO 17
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#define TEGRA_IO_RAIL_HSIC 19
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#define TEGRA_IO_RAIL_COMP 22
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#define TEGRA_IO_RAIL_HDMI 28
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#define TEGRA_IO_RAIL_PEX_CNTRL 32
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#define TEGRA_IO_RAIL_SDMMC1 33
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#define TEGRA_IO_RAIL_SDMMC3 34
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#define TEGRA_IO_RAIL_SDMMC4 35
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#define TEGRA_IO_RAIL_CAM 36
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#define TEGRA_IO_RAIL_RES 37
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#define TEGRA_IO_RAIL_HV 38
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#define TEGRA_IO_RAIL_DSIB 39
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#define TEGRA_IO_RAIL_DSIC 40
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#define TEGRA_IO_RAIL_DSID 41
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#define TEGRA_IO_RAIL_CSIE 44
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#define TEGRA_IO_RAIL_LVDS 57
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#define TEGRA_IO_RAIL_SYS_DDC 58
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#ifdef CONFIG_ARCH_TEGRA
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int tegra_powergate_is_powered(int id);
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int tegra_powergate_power_on(int id);
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int tegra_powergate_power_off(int id);
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int tegra_powergate_remove_clamping(int id);
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/* Must be called with clk disabled, and returns with clk enabled */
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int tegra_powergate_sequence_power_up(int id, struct clk *clk,
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struct reset_control *rst);
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int tegra_io_rail_power_on(int id);
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int tegra_io_rail_power_off(int id);
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#else
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static inline int tegra_powergate_is_powered(int id)
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{
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return -ENOSYS;
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}
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static inline int tegra_powergate_power_on(int id)
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{
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return -ENOSYS;
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}
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static inline int tegra_powergate_power_off(int id)
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{
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return -ENOSYS;
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}
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static inline int tegra_powergate_remove_clamping(int id)
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{
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return -ENOSYS;
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}
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static inline int tegra_powergate_sequence_power_up(int id, struct clk *clk,
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struct reset_control *rst)
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{
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return -ENOSYS;
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}
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static inline int tegra_io_rail_power_on(int id)
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{
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return -ENOSYS;
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}
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static inline int tegra_io_rail_power_off(int id)
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{
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return -ENOSYS;
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}
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#endif /* CONFIG_ARCH_TEGRA */
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#endif /* __SOC_TEGRA_PMC_H__ */
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