diff options
| author | Alex Frid <afrid@nvidia.com> | 2013-07-29 18:12:26 -0700 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2013-09-14 13:39:16 -0700 |
| commit | 64236979b273f773ba4fd90146767360904115f1 (patch) | |
| tree | 1d8b4cf54ae35ef2431070593fd086a6953f3d24 /include/linux/regulator | |
| parent | b6908d3175aeeda8ad3d07cb7d5ef27944857c90 (diff) | |
ARM: tegra: power: Add DFLL bypass regulator driver
In addition to its main function - automatic voltage scaling, Tegra
DFLL can be used in bypass mode to control voltage by s/w. This
commit introduced a simple linear voltage regulator as a wrapper
around DFLL bypass interfaces.
Bug 1310396
Change-Id: I18430b8125de6b6e84d7eee91f2f887d68d96fb5
Signed-off-by: Alex Frid <afrid@nvidia.com>
Reviewed-on: http://git-master/r/257342
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Diffstat (limited to 'include/linux/regulator')
| -rw-r--r-- | include/linux/regulator/tegra-dfll-bypass-regulator.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/linux/regulator/tegra-dfll-bypass-regulator.h b/include/linux/regulator/tegra-dfll-bypass-regulator.h new file mode 100644 index 000000000000..fa159595793e --- /dev/null +++ b/include/linux/regulator/tegra-dfll-bypass-regulator.h @@ -0,0 +1,29 @@ +/* + * + * Copyright (c) 2013 NVIDIA CORPORATION. All rights reserved. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef __LINUX_TEGRA_DFLL_BYPASS_H +#define __LINUX_TEGRA_DFLL_BYPASS_H + +struct tegra_dfll_bypass_platform_data { + struct regulator_init_data *reg_init_data; + unsigned int uV_step; + unsigned int linear_min_sel; + unsigned int n_voltages; + int (*set_bypass_sel)(void *dfll_data, unsigned int sel); + unsigned int (*get_bypass_sel)(void *dfll_data); + void *dfll_data; +}; + +#endif /* __LINUX_TEGRA_DFLL_BYPASS_H */ |