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| author | Thierry Reding <treding@nvidia.com> | 2014-07-11 13:19:06 +0200 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2014-07-17 14:58:43 +0200 |
| commit | 7232398abc6a7186e315425638c367d50c674718 (patch) | |
| tree | 874b08603b104c3b42a07cb7c1402a8f3bcf5ec0 /include/soc/tegra/pm.h | |
| parent | soc/tegra: fuse: Set up in early initcall (diff) | |
| download | linux-7232398abc6a7186e315425638c367d50c674718.tar.xz linux-7232398abc6a7186e315425638c367d50c674718.zip | |
ARM: tegra: Convert PMC to a driver
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>
Diffstat (limited to 'include/soc/tegra/pm.h')
| -rw-r--r-- | include/soc/tegra/pm.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/include/soc/tegra/pm.h b/include/soc/tegra/pm.h new file mode 100644 index 000000000000..30fe2078a547 --- /dev/null +++ b/include/soc/tegra/pm.h @@ -0,0 +1,38 @@ +/* + * Copyright (C) 2014 NVIDIA Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __SOC_TEGRA_PM_H__ +#define __SOC_TEGRA_PM_H__ + +enum tegra_suspend_mode { + TEGRA_SUSPEND_NONE = 0, + TEGRA_SUSPEND_LP2, /* CPU voltage off */ + TEGRA_SUSPEND_LP1, /* CPU voltage off, DRAM self-refresh */ + TEGRA_SUSPEND_LP0, /* CPU + core voltage off, DRAM self-refresh */ + TEGRA_MAX_SUSPEND_MODE, +}; + +#ifdef CONFIG_PM_SLEEP +enum tegra_suspend_mode +tegra_pm_validate_suspend_mode(enum tegra_suspend_mode mode); + +/* low-level resume entry point */ +void tegra_resume(void); +#else +static inline enum tegra_suspend_mode +tegra_pm_validate_suspend_mode(enum tegra_suspend_mode mode) +{ + return TEGRA_SUSPEND_NONE; +} + +static inline void tegra_resume(void) +{ +} +#endif /* CONFIG_PM_SLEEP */ + +#endif /* __SOC_TEGRA_PM_H__ */ |