[U-Boot] [PATCH v1 1/2] regulator: bd71837: copy the bd71837 pmic driver from NXP imx u-boot

[Vaittinen, Matti <Matti.Vaittinen@fi.rohmeurope.com>]

Thanks for looking at this Simon!

On Tue, 2019-04-23 at 21:54 -0600, Simon Glass wrote:
> Hi Matti,
> 
> On Mon, 8 Apr 2019 at 04:28, Matti Vaittinen
> <matti.vaittinen@fi.rohmeurope.com> wrote:
> > 
> > https://source.codeaurora.org/external/imx/uboot-imx
> > 
> > cherry picked, styled and merged commits:
> > - MLK-18387 pmic: Add pmic driver for BD71837: e9a3bec2e95a
> > - MLK-18590 pmic: bd71837: Change to use new fdt API: acdc5c297a96
> > 
> > Signed-off-by: Ye Li <ye.li@nxp.com>
> > Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
> > ---
> > 
> > Based on RFC:
> > https://lists.denx.de/pipermail/u-boot/2019-March/363076.html
> > 
> >  drivers/power/pmic/Kconfig        |  7 +++
> >  drivers/power/pmic/Makefile       |  2 +
> >  drivers/power/pmic/bd71837.c      | 89
> > +++++++++++++++++++++++++++++++
> >  drivers/power/pmic/pmic_bd71837.c | 31 +++++++++++
> >  include/power/bd71837.h           | 64 ++++++++++++++++++++++
> >  5 files changed, 193 insertions(+)
> >  create mode 100644 drivers/power/pmic/bd71837.c
> >  create mode 100644 drivers/power/pmic/pmic_bd71837.c
> >  create mode 100644 include/power/bd71837.h

// Snip.

> > diff --git a/drivers/power/pmic/pmic_bd71837.c
> > b/drivers/power/pmic/pmic_bd71837.c
> > new file mode 100644
> > index 0000000000..3bb8db4081
> > --- /dev/null
> > +++ b/drivers/power/pmic/pmic_bd71837.c
> > @@ -0,0 +1,31 @@
> > +// SPDX-License-Identifier:      GPL-2.0+
> > +//
> > +// Copyright (C) 2014 Gateworks Corporation
> > +//
> > +// Tim Harvey <tharvey@gateworks.com>
> > +
> > +#include <common.h>
> > +#include <errno.h>
> > +#include <i2c.h>
> > +#include <power/pmic.h>
> > +#include <power/bd71837.h>
> > +
> > +static const char bd71837_name[] = "BD71837";
> > +int power_bd71837_init(unsigned char bus)
> > +{
> > +       struct pmic *p = pmic_alloc();
> 
> This is the old PMIC interface.  This should not be needed.

Do you mean I can drop whole pmic_bd71837.c? I'll do that at the next
patch version =)

> 
> > +
> > +       if (!p) {
> > +               printf("%s: POWER allocation error!\n", __func__);
> > +               return -ENOMEM;
> > +       }
> > +
> > +       p->name = bd71837_name;
> > +       p->interface = PMIC_I2C;
> > +       p->number_of_regs = BD71837_REG_NUM;
> > +       p->hw.i2c.addr = 0x4b;
> > +       p->hw.i2c.tx_num = 1;
> > +       p->bus = bus;
> > +
> > +       return 0;
> > +}
> > diff --git a/include/power/bd71837.h b/include/power/bd71837.h
> > new file mode 100644
> > index 0000000000..9c74f6fc61
> > --- /dev/null
> > +++ b/include/power/bd71837.h
> > @@ -0,0 +1,64 @@
> > +/* SPDX-License-Identifier: GPL-2.0-or-later */
> > +/* Copyright (C) 2018 ROHM Semiconductors */
> > +
> > +#ifndef BD71837_H_
> > +#define BD71837_H_
> > +
> > +#define BD71837_REGULATOR_DRIVER "bd71837_regulator"
> > +
> > +enum {
> > +       BD71837_REV             = 0x00,
> > +       BD71837_SWRESET         = 0x01,
> > +       BD71837_I2C_DEV         = 0x02,
> > +       BD71837_PWRCTRL0        = 0x03,
> > +       BD71837_PWRCTRL1        = 0x04,
> > +       BD71837_BUCK1_CTRL      = 0x05,
> > +       BD71837_BUCK2_CTRL      = 0x06,
> > +       BD71837_BUCK3_CTRL      = 0x07,
> > +       BD71837_BUCK4_CTRL      = 0x08,
> > +       BD71837_BUCK5_CTRL      = 0x09,
> > +       BD71837_BUCK6_CTRL      = 0x0A,
> > +       BD71837_BUCK7_CTRL      = 0x0B,
> > +       BD71837_BUCK8_CTRL      = 0x0C,
> > +       BD71837_BUCK1_VOLT_RUN  = 0x0D,
> > +       BD71837_BUCK1_VOLT_IDLE = 0x0E,
> > +       BD71837_BUCK1_VOLT_SUSP = 0x0F,
> > +       BD71837_BUCK2_VOLT_RUN  = 0x10,
> > +       BD71837_BUCK2_VOLT_IDLE = 0x11,
> > +       BD71837_BUCK3_VOLT_RUN  = 0x12,
> > +       BD71837_BUCK4_VOLT_RUN  = 0x13,
> > +       BD71837_BUCK5_VOLT      = 0x14,
> > +       BD71837_BUCK6_VOLT      = 0x15,
> > +       BD71837_BUCK7_VOLT      = 0x16,
> > +       BD71837_BUCK8_VOLT      = 0x17,
> > +       BD71837_LDO1_VOLT       = 0x18,
> > +       BD71837_LDO2_VOLT       = 0x19,
> > +       BD71837_LDO3_VOLT       = 0x1A,
> > +       BD71837_LDO4_VOLT       = 0x1B,
> > +       BD71837_LDO5_VOLT       = 0x1C,
> > +       BD71837_LDO6_VOLT       = 0x1D,
> > +       BD71837_LDO7_VOLT       = 0x1E,
> > +       BD71837_TRANS_COND0     = 0x1F,
> > +       BD71837_TRANS_COND1     = 0x20,
> > +       BD71837_VRFAULTEN       = 0x21,
> > +       BD71837_MVRFLTMASK0     = 0x22,
> > +       BD71837_MVRFLTMASK1     = 0x23,
> > +       BD71837_MVRFLTMASK2     = 0x24,
> > +       BD71837_RCVCFG          = 0x25,
> > +       BD71837_RCVNUM          = 0x26,
> > +       BD71837_PWRONCONFIG0    = 0x27,
> > +       BD71837_PWRONCONFIG1    = 0x28,
> > +       BD71837_RESETSRC        = 0x29,
> > +       BD71837_MIRQ            = 0x2A,
> > +       BD71837_IRQ             = 0x2B,
> > +       BD71837_IN_MON          = 0x2C,
> > +       BD71837_POW_STATE       = 0x2D,
> > +       BD71837_OUT32K          = 0x2E,
> > +       BD71837_REGLOCK         = 0x2F,
> > +       BD71837_MUXSW_EN        = 0x30,
> > +       BD71837_REG_NUM,
> 
> Lower-case hex please.

Ok.

> 
> > +};
> > +
> > +int power_bd71837_init(unsigned char bus);
> 
> Should be able to drop this.

Yep. I'll drop this at the same time I drop the file pmic_bd71837.c

Br,
	Matti Vaittinen