On Fri, 04 Dec 2020, Matti Vaittinen wrote:
> Add BD71827 driver header. For a record - Header is originally
> based on work authored by Cong Pham although not much of original
> work is left now.
>
> Signed-off-by: Matti Vaittinen
> ---
> This patch was not in v1. This brings in some charger registers
> for the BD71827 charger which is in following patches.
>
> include/linux/mfd/rohm-bd71827.h | 295 +++
> 1 file changed, 295 insertions(+)
> create mode 100644 include/linux/mfd/rohm-bd71827.h
>
> diff --git a/include/linux/mfd/rohm-bd71827.h
> b/include/linux/mfd/rohm-bd71827.h
> new file mode 100644
> index ..0f5a343b10ae
> --- /dev/null
> +++ b/include/linux/mfd/rohm-bd71827.h
> @@ -0,0 +1,295 @@
> +/* SPDX-License-Identifier: GPL-2.0-or-later */
> +/*
> + * Copyright 2016
Out of date.
> + * @author cpham2...@gmail.com
This is not a proper Author: tag.
> + */
> +
> +#ifndef __LINUX_MFD_BD71827_H
> +#define __LINUX_MFD_BD71827_H
You can drop the LINUX part.
> +#include
> +
> +#define LDO5VSEL_EQ_H0
> +
> +#ifndef LDO5VSEL_EQ_H
> + #error define LDO5VSEL_EQ_H to 1 when connect to High, to 0 when
> connect to Low
> +#else
> + #if LDO5VSEL_EQ_H == 1
> + #define BD71827_REG_LDO5_VOLT BD71827_REG_LDO5_VOLT_H
> + #define LDO5_MASK LDO5_H_MASK
> + #elif LDO5VSEL_EQ_H == 0
> + #define BD71827_REG_LDO5_VOLT BD71827_REG_LDO5_VOLT_L
> + #define LDO5_MASK LDO5_L_MASK
> + #else
> + #error Define LDO5VSEL_EQ_H only to 0 or 1
> + #endif
> +#endif
Not a fan of this at all.
What decides which of these to use?
Does this realistically ever change?
> +enum {
> + BD71827_BUCK1 = 0,
Omit the extra ' 's.
> + BD71827_BUCK2,
> + BD71827_BUCK3,
> + BD71827_BUCK4,
> + BD71827_BUCK5,
> + // General Purpose
No C++ comments.
> + BD71827_LDO1,
> + BD71827_LDO2,
> + BD71827_LDO3,
> + BD71827_LDO4,
> + BD71827_LDO5,
> + BD71827_LDO6,
> + // LDO for Secure Non-Volatile Storage
> + BD71827_LDOSNVS,
> + BD71827_REGULATOR_CNT,
> +};
> +
> +#define BD71827_SUPPLY_STATE_ENABLED 0x1
> +
> +#define BD71827_BUCK1_VOLTAGE_NUM0x3F
> +#define BD71827_BUCK2_VOLTAGE_NUM0x3F
> +#define BD71827_BUCK3_VOLTAGE_NUM0x3F
> +#define BD71827_BUCK4_VOLTAGE_NUM0x1F
> +#define BD71827_BUCK5_VOLTAGE_NUM0x1F
> +#define BD71827_LDO1_VOLTAGE_NUM 0x3F
> +#define BD71827_LDO2_VOLTAGE_NUM 0x3F
> +#define BD71827_LDO3_VOLTAGE_NUM 0x3F
> +#define BD71827_LDO4_VOLTAGE_NUM 0x3F
> +#define BD71827_LDO5_VOLTAGE_NUM 0x3F
> +#define BD71827_LDO6_VOLTAGE_NUM 0x1
> +#define BD71827_LDOSNVS_VOLTAGE_NUM 0x1
Please pad out these to there are the same amount of digits after the 0x.
> +#define BD71827_GPIO_NUM 2 /* BD71827 have 2 GPO */
"has 2 GPOs"
> +enum {
> + BD71827_REG_DEVICE = 0x00,
> + BD71827_REG_PWRCTRL = 0x01,
> + BD71827_REG_BUCK1_MODE = 0x02,
> + BD71827_REG_BUCK2_MODE = 0x03,
> + BD71827_REG_BUCK3_MODE = 0x04,
> + BD71827_REG_BUCK4_MODE = 0x05,
> + BD71827_REG_BUCK5_MODE = 0x06,
> + BD71827_REG_BUCK1_VOLT_RUN = 0x07,
> + BD71827_REG_BUCK1_VOLT_SUSP = 0x08,
> + BD71827_REG_BUCK2_VOLT_RUN = 0x09,
> + BD71827_REG_BUCK2_VOLT_SUSP = 0x0A,
> + BD71827_REG_BUCK3_VOLT = 0x0B,
> + BD71827_REG_BUCK4_VOLT = 0x0C,
> + BD71827_REG_BUCK5_VOLT = 0x0D,
> + BD71827_REG_LED_CTRL= 0x0E,
> + BD71827_REG_reserved_0F = 0x0F,
> + BD71827_REG_LDO_MODE1 = 0x10,
> + BD71827_REG_LDO_MODE2 = 0x11,
> + BD71827_REG_LDO_MODE3 = 0x12,
> + BD71827_REG_LDO_MODE4 = 0x13,
> + BD71827_REG_LDO1_VOLT = 0x14,
> + BD71827_REG_LDO2_VOLT = 0x15,
> + BD71827_REG_LDO3_VOLT = 0x16,
> + BD71827_REG_LDO4_VOLT = 0x17,
> + BD71827_REG_LDO5_VOLT_H = 0x18,
> + BD71827_REG_LDO5_VOLT_L = 0x19,
> + BD71827_REG_BUCK_PD_DIS = 0x1A,
> + BD71827_REG_LDO_PD_DIS = 0x1B,
> + BD71827_REG_GPIO= 0x1C,
> + BD71827_REG_OUT32K = 0x1D,
> + BD71827_REG_SEC = 0x1E,
> + BD71827_REG_MIN = 0x1F,
> + BD71827_REG_HOUR= 0x20,
> + BD71827_REG_WEEK= 0x21,
> + BD71827_REG_DAY = 0x22,
> + BD71827_REG_MONTH = 0x23,
> + BD71827_REG_YEAR= 0x24,
> + BD71827_REG_ALM0_SEC= 0x25,
> + BD71827_REG_ALM0_MIN= 0x26,
> + BD71827_REG_ALM0_HOUR = 0x27,
> + BD71827_REG_ALM0_WEEK = 0x28,
> + BD71827_REG_ALM0_DAY= 0x29,
> +
