linux-kernel - Re: [PATCH 1/2] mfd: rn5t618: Add Ricoh RC5T619 PMIC support

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Message-ID: <20161118190543.GD23246@dell.home>
Date:   Fri, 18 Nov 2016 19:05:43 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     Pierre-Hugues Husson <phh@....me>
Cc:     robh+dt@...nel.org, mark.rutland@....com, lgirdwood@...il.com,
        broonie@...nel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] mfd: rn5t618: Add Ricoh RC5T619 PMIC support

On Sat, 05 Nov 2016, Pierre-Hugues Husson wrote:

> The Ricoh RN5T567 is from the same family as the Ricoh RN5T618 is,
> the differences are:
> 
> + DCDC4/DCDC5
> + LDO7-10
> + Slightly different output voltage/currents
> + 32kHz Output
> + RTC
> + USB Charger detection
> 
> Signed-off-by: Pierre-Hugues Husson <phh@....me>
> ---
>  Documentation/devicetree/bindings/mfd/rn5t618.txt | 16 ++++++++++------
>  drivers/mfd/Kconfig                               |  3 ++-
>  drivers/mfd/rn5t618.c                             |  1 +
>  include/linux/mfd/rn5t618.h                       |  9 +++++++++
>  4 files changed, 22 insertions(+), 7 deletions(-)

Applied, thanks.

> diff --git a/Documentation/devicetree/bindings/mfd/rn5t618.txt b/Documentation/devicetree/bindings/mfd/rn5t618.txt
> index 9e6770b..65c2326 100644
> --- a/Documentation/devicetree/bindings/mfd/rn5t618.txt
> +++ b/Documentation/devicetree/bindings/mfd/rn5t618.txt
> @@ -1,21 +1,25 @@
>  * Ricoh RN5T567/RN5T618 PMIC
>  
> -Ricoh RN5T567/RN5T618 is a power management IC family which integrates
> -3 to 4 step-down DCDC converters, 7 low-dropout regulators, GPIOs and
> -a watchdog timer. The RN5T618 provides additionally a Li-ion battery
> -charger, fuel gauge and an ADC. It can be controlled through an I2C
> -interface.
> +Ricoh RN5T567/RN5T618/RC5T619 is a power management IC family which
> +integrates 3 to 5 step-down DCDC converters, 7 to 10 low-dropout regulators,
> +GPIOs, and a watchdog timer. It can be controlled through an I2C interface.
> +The RN5T618/RC5T619 provides additionally a Li-ion battery charger,
> +fuel gauge, and an ADC.
> +The RC5T619 additionnally includes USB charger detection and an RTC.
>  
>  Required properties:
>   - compatible: must be one of
>  		"ricoh,rn5t567"
>  		"ricoh,rn5t618"
> +		"ricoh,rc5t619"
>   - reg: the I2C slave address of the device
>  
>  Sub-nodes:
>   - regulators: the node is required if the regulator functionality is
>     needed. The valid regulator names are: DCDC1, DCDC2, DCDC3, DCDC4
> -   (RN5T567), LDO1, LDO2, LDO3, LDO4, LDO5, LDORTC1 and LDORTC2.
> +   (RN5T567/RC5T619), LDO1, LDO2, LDO3, LDO4, LDO5, LDO6, LDO7, LDO8,
> +   LDO9, LDO10, LDORTC1 and LDORTC2.
> +   LDO7-10 are specific to RC5T619.
>     The common bindings for each individual regulator can be found in:
>     Documentation/devicetree/bindings/regulator/regulator.txt
>  
> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> index c6df644..65d0a65 100644
> --- a/drivers/mfd/Kconfig
> +++ b/drivers/mfd/Kconfig
> @@ -881,7 +881,8 @@ config MFD_RN5T618
>  	select MFD_CORE
>  	select REGMAP_I2C
>  	help
> -	  Say yes here to add support for the Ricoh RN5T567 or R5T618 PMIC.
> +	  Say yes here to add support for the Ricoh RN5T567,
> +          RN5T618, RC5T619 PMIC.
>  	  This driver provides common support for accessing the device,
>  	  additional drivers must be enabled in order to use the
>  	  functionality of the device.
> diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c
> index 9d377d6..0b5a2a1 100644
> --- a/drivers/mfd/rn5t618.c
> +++ b/drivers/mfd/rn5t618.c
> @@ -87,6 +87,7 @@ static int rn5t618_restart(struct notifier_block *this,
>  static const struct of_device_id rn5t618_of_match[] = {
>  	{ .compatible = "ricoh,rn5t567", .data = (void *)RN5T567 },
>  	{ .compatible = "ricoh,rn5t618", .data = (void *)RN5T618 },
> +	{ .compatible = "ricoh,rc5t619", .data = (void *)RC5T619 },
>  	{ }
>  };
>  MODULE_DEVICE_TABLE(of, rn5t618_of_match);
> diff --git a/include/linux/mfd/rn5t618.h b/include/linux/mfd/rn5t618.h
> index cadc654..e5a6cde 100644
> --- a/include/linux/mfd/rn5t618.h
> +++ b/include/linux/mfd/rn5t618.h
> @@ -58,10 +58,13 @@
>  #define RN5T618_DC3CTL2			0x31
>  #define RN5T618_DC4CTL			0x32
>  #define RN5T618_DC4CTL2			0x33
> +#define RN5T618_DC5CTL			0x34
> +#define RN5T618_DC5CTL2			0x35
>  #define RN5T618_DC1DAC			0x36
>  #define RN5T618_DC2DAC			0x37
>  #define RN5T618_DC3DAC			0x38
>  #define RN5T618_DC4DAC			0x39
> +#define RN5T618_DC5DAC			0x3a
>  #define RN5T618_DC1DAC_SLP		0x3b
>  #define RN5T618_DC2DAC_SLP		0x3c
>  #define RN5T618_DC3DAC_SLP		0x3d
> @@ -77,6 +80,11 @@
>  #define RN5T618_LDO3DAC			0x4e
>  #define RN5T618_LDO4DAC			0x4f
>  #define RN5T618_LDO5DAC			0x50
> +#define RN5T618_LDO6DAC			0x51
> +#define RN5T618_LDO7DAC			0x52
> +#define RN5T618_LDO8DAC			0x53
> +#define RN5T618_LDO9DAC			0x54
> +#define RN5T618_LDO10DAC		0x55
>  #define RN5T618_LDORTCDAC		0x56
>  #define RN5T618_LDORTC2DAC		0x57
>  #define RN5T618_LDO1DAC_SLP		0x58
> @@ -231,6 +239,7 @@ enum {
>  enum {
>  	RN5T567 = 0,
>  	RN5T618,
> +	RC5T619,
>  };
>  
>  struct rn5t618 {

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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