| Message ID | 20220124121009.108649-4-alistair@alistair23.me (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add support for the silergy,sy7636a | expand |
Hi Alistair, On Mon, Jan 24, 2022 at 1:24 PM Alistair Francis <alistair@alistair23.me> wrote: > Signed-off-by: Alistair Francis <alistair@alistair23.me> > Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org> > --- a/drivers/mfd/simple-mfd-i2c.c > +++ b/drivers/mfd/simple-mfd-i2c.c > @@ -62,8 +62,19 @@ static int simple_mfd_i2c_probe(struct i2c_client *i2c) > return ret; > } > > +static const struct mfd_cell sy7636a_cells[] = { > + { .name = "sy7636a-regulator", }, > + { .name = "sy7636a-temperature", }, > +}; > + > +static const struct simple_mfd_data silergy_sy7636a = { > + .mfd_cell = sy7636a_cells, > + .mfd_cell_size = ARRAY_SIZE(sy7636a_cells), > +}; > + > static const struct of_device_id simple_mfd_i2c_of_match[] = { > { .compatible = "kontron,sl28cpld" }, > + { .compatible = "silergy,sy7636a", .data = &silergy_sy7636a}, > {} > }; This is slowly turning into a "board file" for an ever-growing random bunch of devices, none of which is described in the help text? See also my reply to patch 2/8 https://lore.kernel.org/all/CAMuHMdVy4E1pX+VLLq_05FX4pM+BPZycQgn68ArGh2s8qL24=w@mail.gmail.com/ Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
diff --git a/drivers/mfd/simple-mfd-i2c.c b/drivers/mfd/simple-mfd-i2c.c index 51536691ad9d..f4c8fc3ee463 100644 --- a/drivers/mfd/simple-mfd-i2c.c +++ b/drivers/mfd/simple-mfd-i2c.c @@ -62,8 +62,19 @@ static int simple_mfd_i2c_probe(struct i2c_client *i2c) return ret; } +static const struct mfd_cell sy7636a_cells[] = { + { .name = "sy7636a-regulator", }, + { .name = "sy7636a-temperature", }, +}; + +static const struct simple_mfd_data silergy_sy7636a = { + .mfd_cell = sy7636a_cells, + .mfd_cell_size = ARRAY_SIZE(sy7636a_cells), +}; + static const struct of_device_id simple_mfd_i2c_of_match[] = { { .compatible = "kontron,sl28cpld" }, + { .compatible = "silergy,sy7636a", .data = &silergy_sy7636a}, {} }; MODULE_DEVICE_TABLE(of, simple_mfd_i2c_of_match); diff --git a/include/linux/mfd/sy7636a.h b/include/linux/mfd/sy7636a.h new file mode 100644 index 000000000000..22f03b2f851e --- /dev/null +++ b/include/linux/mfd/sy7636a.h @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Functions to access SY3686A power management chip. + * + * Copyright (C) 2021 reMarkable AS - http://www.remarkable.com/ + */ + +#ifndef __MFD_SY7636A_H +#define __MFD_SY7636A_H + +#define SY7636A_REG_OPERATION_MODE_CRL 0x00 +/* It is set if a gpio is used to control the regulator */ +#define SY7636A_OPERATION_MODE_CRL_VCOMCTL BIT(6) +#define SY7636A_OPERATION_MODE_CRL_ONOFF BIT(7) +#define SY7636A_REG_VCOM_ADJUST_CTRL_L 0x01 +#define SY7636A_REG_VCOM_ADJUST_CTRL_H 0x02 +#define SY7636A_REG_VCOM_ADJUST_CTRL_MASK 0x01ff +#define SY7636A_REG_VLDO_VOLTAGE_ADJULST_CTRL 0x03 +#define SY7636A_REG_POWER_ON_DELAY_TIME 0x06 +#define SY7636A_REG_FAULT_FLAG 0x07 +#define SY7636A_FAULT_FLAG_PG BIT(0) +#define SY7636A_REG_TERMISTOR_READOUT 0x08 + +#define SY7636A_REG_MAX 0x08 + +#define VCOM_ADJUST_CTRL_MASK 0x1ff +// Used to shift the high byte +#define VCOM_ADJUST_CTRL_SHIFT 8 +// Used to scale from VCOM_ADJUST_CTRL to mv +#define VCOM_ADJUST_CTRL_SCAL 10000 + +#define FAULT_FLAG_SHIFT 1 + +#endif /* __LINUX_MFD_SY7636A_H */
Signed-off-by: Alistair Francis <alistair@alistair23.me> Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org> --- drivers/mfd/simple-mfd-i2c.c | 11 +++++++++++ include/linux/mfd/sy7636a.h | 34 ++++++++++++++++++++++++++++++++++ 2 files changed, 45 insertions(+) create mode 100644 include/linux/mfd/sy7636a.h