On Fri, 17 Jan 2020, Matti Vaittinen wrote:
> Few ROHM PMICs allow setting the voltage states for different system states
> like RUN, IDLE, SUSPEND and LPSR. States are then changed via SoC specific
> mechanisms. bd718x7 driver implemented device-tree parsing functions for
> these state specific voltages. The parsing functions can be re-used by
> other ROHM chip drivers like bd71828. Split the generic functions from
> bd718x7-regulator.c to rohm-regulator.c and export them for other modules
> to use.
>
> Signed-off-by: Matti Vaittinen <matti.vaittinen@xxxxxxxxxxxxxxxxx>
> Acked-by: Mark Brown <broonie@xxxxxxxxxx>
> ---
> no changes since v9
>
> drivers/regulator/Kconfig | 4 +
> drivers/regulator/Makefile | 1 +
> drivers/regulator/bd718x7-regulator.c | 183 ++++++++------------------
> drivers/regulator/rohm-regulator.c | 95 +++++++++++++
> include/linux/mfd/rohm-generic.h | 66 ++++++++++
> 5 files changed, 221 insertions(+), 128 deletions(-)
> create mode 100644 drivers/regulator/rohm-regulator.c
[...]
> diff --git a/include/linux/mfd/rohm-generic.h b/include/linux/mfd/rohm-generic.h
> index ff3dd7578fd3..6cc5a0819959 100644
> --- a/include/linux/mfd/rohm-generic.h
> +++ b/include/linux/mfd/rohm-generic.h
> @@ -4,6 +4,9 @@
> #ifndef __LINUX_MFD_ROHM_H__
> #define __LINUX_MFD_ROHM_H__
>
> +#include <linux/regmap.h>
> +#include <linux/regulator/driver.h>
> +
> enum rohm_chip_type {
> ROHM_CHIP_TYPE_BD71837 = 0,
> ROHM_CHIP_TYPE_BD71847,
> @@ -17,4 +20,67 @@ struct rohm_regmap_dev {
> struct regmap *regmap;
> };
>
> +enum {
> + ROHM_DVS_LEVEL_UNKNOWN,
> + ROHM_DVS_LEVEL_RUN,
> + ROHM_DVS_LEVEL_IDLE,
> + ROHM_DVS_LEVEL_SUSPEND,
> + ROHM_DVS_LEVEL_LPSR,
> +#define ROHM_DVS_LEVEL_MAX ROHM_DVS_LEVEL_LPSR
Haven't seen this before. Is it legit?
What about:
ROHM_DVS_LEVEL_MAX = ROHM_DVS_LEVEL_LPSR
--
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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