[rtc-linux] Re: [PATCH v7 1/4] mfd: RK808: Add RK818 support

[Wadim Egorov <w.egorov@phytec.de>]

On 18.08.2016 16:34, Lee Jones wrote:
> On Wed, 10 Aug 2016, Wadim Egorov wrote:
>
>> The RK818 chip is a Power Management IC (PMIC) for multimedia and handheld
>> devices. It contains the following components:
>>
>> - Regulators
>> - RTC
>> - Clocking
>> - Battery support
>>
>> Both RK808 and RK818 chips are using a similar register map,
>> so we can reuse the RTC and Clocking functionality.
>>
>> Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
>> Tested-by: Andy Yan <andy.yan@rock-chips.com>
>> ---
>> Changes since v6:
>> - Squashed in the patch
>>   mfd: RK808: Fetch PMIC variant from chip id register
>>
>> ---
>>  drivers/mfd/Kconfig       |   4 +-
>>  drivers/mfd/rk808.c       | 226 +++++++++++++++++++++++++++++++++++++++-------
>>  include/linux/mfd/rk808.h | 154 +++++++++++++++++++++++++++++--
>>  3 files changed, 342 insertions(+), 42 deletions(-)
>>
>> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
>> index 2d1fb64..a55be95 100644
>> --- a/drivers/mfd/Kconfig
>> +++ b/drivers/mfd/Kconfig
>> @@ -852,13 +852,13 @@ config MFD_RC5T583
>>  	  different functionality of the device.
>>  
>>  config MFD_RK808
>> -	tristate "Rockchip RK808 Power Management chip"
>> +	tristate "Rockchip RK808/RK818 Power Management Chip"
>>  	depends on I2C && OF
>>  	select MFD_CORE
>>  	select REGMAP_I2C
>>  	select REGMAP_IRQ
>>  	help
>> -	  If you say yes here you get support for the RK808
>> +	  If you say yes here you get support for the RK808 and RK818
>>  	  Power Management chips.
>>  	  This driver provides common support for accessing the device
>>  	  through I2C interface. The device supports multiple sub-devices
>> diff --git a/drivers/mfd/rk808.c b/drivers/mfd/rk808.c
>> index 49d7f62..fbec1d8 100644
>> --- a/drivers/mfd/rk808.c
>> +++ b/drivers/mfd/rk808.c
>> @@ -1,11 +1,15 @@
>>  /*
>> - * MFD core driver for Rockchip RK808
>> + * MFD core driver for Rockchip RK808/RK818
>>   *
>>   * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
>>   *
>>   * Author: Chris Zhong <zyw@rock-chips.com>
>>   * Author: Zhang Qing <zhangqing@rock-chips.com>
>>   *
>> + * Copyright (C) 2016 PHYTEC Messtechnik GmbH
>> + *
>> + * Author: Wadim Egorov <w.egorov@phytec.de>
>> + *
>>   * This program is free software; you can redistribute it and/or modify it
>>   * under the terms and conditions of the GNU General Public License,
>>   * version 2, as published by the Free Software Foundation.
>> @@ -22,6 +26,7 @@
>>  #include <linux/mfd/core.h>
>>  #include <linux/module.h>
>>  #include <linux/regmap.h>
>> +#include <linux/of_device.h>
> Alphabetical.

ok

>
>>  struct rk808_reg_data {
>>  	int addr;
>> @@ -57,6 +62,14 @@ static bool rk808_is_volatile_reg(struct device *dev, unsigned int reg)
>>  	return false;
>>  }
>>  
>> +static const struct regmap_config rk818_regmap_config = {
>> +	.reg_bits = 8,
>> +	.val_bits = 8,
>> +	.max_register = RK818_USB_CTRL_REG,
>> +	.cache_type = REGCACHE_RBTREE,
>> +	.volatile_reg = rk808_is_volatile_reg,
>> +};
>> +
>>  static const struct regmap_config rk808_regmap_config = {
>>  	.reg_bits = 8,
>>  	.val_bits = 8,
>> @@ -79,11 +92,21 @@ static const struct mfd_cell rk808s[] = {
>>  	{
>>  		.name = "rk808-rtc",
>>  		.num_resources = ARRAY_SIZE(rtc_resources),
>> -		.resources = &rtc_resources[0],
>> +		.resources = rtc_resources,
> ?

you told me to change this

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