diff mbox series

[v6,04/10,RESEND] mfd: rt5033: Apply preparatory changes before adding rt5033-charger driver

Message ID 31c750ae13a1c1896b51d8f0a0d9869f8b85624f.1684182964.git.jahau@rocketmail.com
State Superseded
Headers show
Series [v6,01/10,RESEND] mfd: rt5033: Drop rt5033-battery sub-device | expand

Commit Message

Jakob Hauser May 15, 2023, 8:57 p.m. UTC
Order the register blocks to have the masks in descending manner.

Add new defines for constant voltage shift (RT5033_CHGCTRL2_CV_SHIFT),
MIVR mask (RT5033_CHGCTRL4_MIVR_MASK), pre-charge current shift
(RT5033_CHGCTRL4_IPREC_SHIFT), internal timer disable
(RT5033_INT_TIMER_DISABLE), termination disable (RT5033_TE_DISABLE),
CFO disable (RT5033_CFO_DISABLE), UUG disable (RT5033_CHARGER_UUG_DISABLE).

The fast charge timer type needs to be written on mask 0x38
(RT5033_CHGCTRL3_TIMER_MASK). To avoid a bit shift on application, change the
values of the timer types to fit the mask. Added the timout duration as a
comment. And the timer between TIMER8 and TIMER12 is most likely TIMER10, see
e.g. RT5036 [1] page 28 bottom.

Add value options for MIVR (Minimum Input Voltage Regulation).

Move RT5033_TE_ENABLE_MASK to the block "RT5033 CHGCTRL1 register", in order
to have the masks of the register collected there. To fit the naming scheme,
rename it to RT5033_CHGCTRL1_TE_EN_MASK.

Move RT5033_CHG_MAX_CURRENT to the block "RT5033 charger fast-charge current".

Add new defines RT5033_CV_MAX_VOLTAGE and RT5033_CHG_MAX_PRE_CURRENT to the
blocks "RT5033 charger constant charge voltage" and "RT5033 charger pre-charge
current limits".

In include/linux/mfd/rt5033.h, turn power_supply "psy" into a pointer in order
to use it in devm_power_supply_register().

[1] https://media.digikey.com/pdf/Data%20Sheets/Richtek%20PDF/RT5036%20%20Preliminary.pdf

Signed-off-by: Jakob Hauser <jahau@rocketmail.com>
---
 include/linux/mfd/rt5033-private.h | 53 ++++++++++++++++++++----------
 include/linux/mfd/rt5033.h         |  2 +-
 2 files changed, 36 insertions(+), 19 deletions(-)

Comments

Lee Jones May 25, 2023, 10:44 a.m. UTC | #1
On Mon, 15 May 2023, Jakob Hauser wrote:

> Order the register blocks to have the masks in descending manner.
> 
> Add new defines for constant voltage shift (RT5033_CHGCTRL2_CV_SHIFT),
> MIVR mask (RT5033_CHGCTRL4_MIVR_MASK), pre-charge current shift
> (RT5033_CHGCTRL4_IPREC_SHIFT), internal timer disable
> (RT5033_INT_TIMER_DISABLE), termination disable (RT5033_TE_DISABLE),
> CFO disable (RT5033_CFO_DISABLE), UUG disable (RT5033_CHARGER_UUG_DISABLE).
> 
> The fast charge timer type needs to be written on mask 0x38
> (RT5033_CHGCTRL3_TIMER_MASK). To avoid a bit shift on application, change the
> values of the timer types to fit the mask. Added the timout duration as a
> comment. And the timer between TIMER8 and TIMER12 is most likely TIMER10, see
> e.g. RT5036 [1] page 28 bottom.
> 
> Add value options for MIVR (Minimum Input Voltage Regulation).
> 
> Move RT5033_TE_ENABLE_MASK to the block "RT5033 CHGCTRL1 register", in order
> to have the masks of the register collected there. To fit the naming scheme,
> rename it to RT5033_CHGCTRL1_TE_EN_MASK.
> 
> Move RT5033_CHG_MAX_CURRENT to the block "RT5033 charger fast-charge current".
> 
> Add new defines RT5033_CV_MAX_VOLTAGE and RT5033_CHG_MAX_PRE_CURRENT to the
> blocks "RT5033 charger constant charge voltage" and "RT5033 charger pre-charge
> current limits".
> 
> In include/linux/mfd/rt5033.h, turn power_supply "psy" into a pointer in order
> to use it in devm_power_supply_register().
> 
> [1] https://media.digikey.com/pdf/Data%20Sheets/Richtek%20PDF/RT5036%20%20Preliminary.pdf
> 
> Signed-off-by: Jakob Hauser <jahau@rocketmail.com>
> ---
>  include/linux/mfd/rt5033-private.h | 53 ++++++++++++++++++++----------
>  include/linux/mfd/rt5033.h         |  2 +-
>  2 files changed, 36 insertions(+), 19 deletions(-)
> 
> diff --git a/include/linux/mfd/rt5033-private.h b/include/linux/mfd/rt5033-private.h
> index b6773ebf4e6b..0221f806d139 100644
> --- a/include/linux/mfd/rt5033-private.h
> +++ b/include/linux/mfd/rt5033-private.h
> @@ -55,22 +55,24 @@ enum rt5033_reg {
>  };
>  
>  /* RT5033 Charger state register */
> +#define RT5033_CHG_STAT_TYPE_MASK	0x60
> +#define RT5033_CHG_STAT_TYPE_PRE	0x20
> +#define RT5033_CHG_STAT_TYPE_FAST	0x60
>  #define RT5033_CHG_STAT_MASK		0x30
>  #define RT5033_CHG_STAT_DISCHARGING	0x00
>  #define RT5033_CHG_STAT_FULL		0x10
>  #define RT5033_CHG_STAT_CHARGING	0x20
>  #define RT5033_CHG_STAT_NOT_CHARGING	0x30
> -#define RT5033_CHG_STAT_TYPE_MASK	0x60
> -#define RT5033_CHG_STAT_TYPE_PRE	0x20
> -#define RT5033_CHG_STAT_TYPE_FAST	0x60
>  
>  /* RT5033 CHGCTRL1 register */
>  #define RT5033_CHGCTRL1_IAICR_MASK	0xe0
> -#define RT5033_CHGCTRL1_MODE_MASK	0x01
> +#define RT5033_CHGCTRL1_TE_EN_MASK	0x08
>  #define RT5033_CHGCTRL1_HZ_MASK		0x02
> +#define RT5033_CHGCTRL1_MODE_MASK	0x01
>  
>  /* RT5033 CHGCTRL2 register */
>  #define RT5033_CHGCTRL2_CV_MASK		0xfc
> +#define RT5033_CHGCTRL2_CV_SHIFT	0x02
>  
>  /* RT5033 DEVICE_ID register */
>  #define RT5033_VENDOR_ID_MASK		0xf0
> @@ -82,14 +84,15 @@ enum rt5033_reg {
>  #define RT5033_CHGCTRL3_TIMER_EN_MASK	0x01
>  
>  /* RT5033 CHGCTRL4 register */
> -#define RT5033_CHGCTRL4_EOC_MASK	0x07
> +#define RT5033_CHGCTRL4_MIVR_MASK	0xe0
>  #define RT5033_CHGCTRL4_IPREC_MASK	0x18
> +#define RT5033_CHGCTRL4_IPREC_SHIFT	0x03
> +#define RT5033_CHGCTRL4_EOC_MASK	0x07
>  
>  /* RT5033 CHGCTRL5 register */
> -#define RT5033_CHGCTRL5_VPREC_MASK	0x0f
>  #define RT5033_CHGCTRL5_ICHG_MASK	0xf0
>  #define RT5033_CHGCTRL5_ICHG_SHIFT	0x04
> -#define RT5033_CHG_MAX_CURRENT		0x0d
> +#define RT5033_CHGCTRL5_VPREC_MASK	0x0f
>  
>  /* RT5033 RT CTRL1 register */
>  #define RT5033_RT_CTRL1_UUG_MASK	0x02
> @@ -128,20 +131,28 @@ enum rt5033_reg {
>  #define RT5033_AICR_1500_MODE			0xc0
>  #define RT5033_AICR_2000_MODE			0xe0
>  
> -/* RT5033 use internal timer need to set time */
> -#define RT5033_FAST_CHARGE_TIMER4		0x00
> -#define RT5033_FAST_CHARGE_TIMER6		0x01
> -#define RT5033_FAST_CHARGE_TIMER8		0x02
> -#define RT5033_FAST_CHARGE_TIMER9		0x03
> -#define RT5033_FAST_CHARGE_TIMER12		0x04
> -#define RT5033_FAST_CHARGE_TIMER14		0x05
> -#define RT5033_FAST_CHARGE_TIMER16		0x06
> +/* RT5033 charger minimum input voltage regulation */
> +#define RT5033_CHARGER_MIVR_DISABLE		0x00
> +#define RT5033_CHARGER_MIVR_4200MV		0x20
> +#define RT5033_CHARGER_MIVR_4300MV		0x40
> +#define RT5033_CHARGER_MIVR_4400MV		0x60
> +#define RT5033_CHARGER_MIVR_4500MV		0x80
> +#define RT5033_CHARGER_MIVR_4600MV		0xa0
> +#define RT5033_CHARGER_MIVR_4700MV		0xc0
> +#define RT5033_CHARGER_MIVR_4800MV		0xe0
>  
> +/* RT5033 use internal timer need to set time */
> +#define RT5033_FAST_CHARGE_TIMER4		0x00 /*  4 hrs */
> +#define RT5033_FAST_CHARGE_TIMER6		0x08 /*  6 hrs */
> +#define RT5033_FAST_CHARGE_TIMER8		0x10 /*  8 hrs */
> +#define RT5033_FAST_CHARGE_TIMER10		0x18 /* 10 hrs */
> +#define RT5033_FAST_CHARGE_TIMER12		0x20 /* 12 hrs */
> +#define RT5033_FAST_CHARGE_TIMER14		0x28 /* 14 hrs */
> +#define RT5033_FAST_CHARGE_TIMER16		0x30 /* 16 hrs */
> +
> +#define RT5033_INT_TIMER_DISABLE		0x00
>  #define RT5033_INT_TIMER_ENABLE			0x01
>  
> -/* RT5033 charger termination enable mask */
> -#define RT5033_TE_ENABLE_MASK			0x08
> -
>  /*
>   * RT5033 charger opa mode. RT5033 has two opa modes for OTG: charger mode
>   * and boost mode.
> @@ -150,25 +161,30 @@ enum rt5033_reg {
>  #define RT5033_BOOST_MODE			0x01
>  
>  /* RT5033 charger termination enable */
> +#define RT5033_TE_DISABLE			0x00
>  #define RT5033_TE_ENABLE			0x08
>  
>  /* RT5033 charger CFO enable */
> +#define RT5033_CFO_DISABLE			0x00
>  #define RT5033_CFO_ENABLE			0x40
>  
>  /* RT5033 charger constant charge voltage (as in CHGCTRL2 register), uV */
>  #define RT5033_CHARGER_CONST_VOLTAGE_LIMIT_MIN	3650000U
>  #define RT5033_CHARGER_CONST_VOLTAGE_STEP_NUM   25000U
>  #define RT5033_CHARGER_CONST_VOLTAGE_LIMIT_MAX	4400000U
> +#define RT5033_CV_MAX_VOLTAGE			0x1e
>  
>  /* RT5033 charger pre-charge current limits (as in CHGCTRL4 register), uA */
>  #define RT5033_CHARGER_PRE_CURRENT_LIMIT_MIN	350000U
>  #define RT5033_CHARGER_PRE_CURRENT_STEP_NUM	100000U
>  #define RT5033_CHARGER_PRE_CURRENT_LIMIT_MAX	650000U
> +#define RT5033_CHG_MAX_PRE_CURRENT		0x03
>  
>  /* RT5033 charger fast-charge current (as in CHGCTRL5 register), uA */
>  #define RT5033_CHARGER_FAST_CURRENT_MIN		700000U
>  #define RT5033_CHARGER_FAST_CURRENT_STEP_NUM	100000U
>  #define RT5033_CHARGER_FAST_CURRENT_MAX		2000000U
> +#define RT5033_CHG_MAX_CURRENT			0x0d
>  
>  /*
>   * RT5033 charger const-charge end of charger current (
> @@ -192,6 +208,7 @@ enum rt5033_reg {
>   * RT5033 charger UUG. It enables MOS auto control by H/W charger
>   * circuit.
>   */
> +#define RT5033_CHARGER_UUG_DISABLE		0x00
>  #define RT5033_CHARGER_UUG_ENABLE		0x02
>  
>  /* RT5033 charger high impedance mode */
> diff --git a/include/linux/mfd/rt5033.h b/include/linux/mfd/rt5033.h
> index 8f306ac15a27..e99e2ab0c1c1 100644
> --- a/include/linux/mfd/rt5033.h
> +++ b/include/linux/mfd/rt5033.h
> @@ -51,7 +51,7 @@ struct rt5033_charger_data {
>  struct rt5033_charger {
>  	struct device			*dev;
>  	struct rt5033_dev		*rt5033;
> -	struct power_supply		psy;
> +	struct power_supply		*psy;

Is this current unused?

>  	struct rt5033_charger_data	*chg;
>  };
>  
> -- 
> 2.39.2
>
Jakob Hauser May 25, 2023, 5:16 p.m. UTC | #2
Hi Lee,

On 25.05.23 12:44, Lee Jones wrote:
> On Mon, 15 May 2023, Jakob Hauser wrote:

...

>> diff --git a/include/linux/mfd/rt5033.h b/include/linux/mfd/rt5033.h
>> index 8f306ac15a27..e99e2ab0c1c1 100644
>> --- a/include/linux/mfd/rt5033.h
>> +++ b/include/linux/mfd/rt5033.h
>> @@ -51,7 +51,7 @@ struct rt5033_charger_data {
>>   struct rt5033_charger {
>>   	struct device			*dev;
>>   	struct rt5033_dev		*rt5033;
>> -	struct power_supply		psy;
>> +	struct power_supply		*psy;
> 
> Is this current unused?

Currently this is not in use. The rt5033 charger driver gets introduced 
by this pachset.

The struct rt5033_charger was added in Dec 2014 with the mfd driver [1] 
but the charger driver didn't make it [2] and further effort to 
implement it phased out [3].

[1] https://lore.kernel.org/lkml/20141209140102.GZ3951@x1
[2] https://lore.kernel.org/lkml/20150122183037.GA24898@earth.universe
[3] 
https://lore.kernel.org/lkml/1425864191-4121-1-git-send-email-beomho.seo@samsung.com/T/#t

>>   	struct rt5033_charger_data	*chg;
>>   };
>>   

Kind regards,
Jakob
diff mbox series

Patch

diff --git a/include/linux/mfd/rt5033-private.h b/include/linux/mfd/rt5033-private.h
index b6773ebf4e6b..0221f806d139 100644
--- a/include/linux/mfd/rt5033-private.h
+++ b/include/linux/mfd/rt5033-private.h
@@ -55,22 +55,24 @@  enum rt5033_reg {
 };
 
 /* RT5033 Charger state register */
+#define RT5033_CHG_STAT_TYPE_MASK	0x60
+#define RT5033_CHG_STAT_TYPE_PRE	0x20
+#define RT5033_CHG_STAT_TYPE_FAST	0x60
 #define RT5033_CHG_STAT_MASK		0x30
 #define RT5033_CHG_STAT_DISCHARGING	0x00
 #define RT5033_CHG_STAT_FULL		0x10
 #define RT5033_CHG_STAT_CHARGING	0x20
 #define RT5033_CHG_STAT_NOT_CHARGING	0x30
-#define RT5033_CHG_STAT_TYPE_MASK	0x60
-#define RT5033_CHG_STAT_TYPE_PRE	0x20
-#define RT5033_CHG_STAT_TYPE_FAST	0x60
 
 /* RT5033 CHGCTRL1 register */
 #define RT5033_CHGCTRL1_IAICR_MASK	0xe0
-#define RT5033_CHGCTRL1_MODE_MASK	0x01
+#define RT5033_CHGCTRL1_TE_EN_MASK	0x08
 #define RT5033_CHGCTRL1_HZ_MASK		0x02
+#define RT5033_CHGCTRL1_MODE_MASK	0x01
 
 /* RT5033 CHGCTRL2 register */
 #define RT5033_CHGCTRL2_CV_MASK		0xfc
+#define RT5033_CHGCTRL2_CV_SHIFT	0x02
 
 /* RT5033 DEVICE_ID register */
 #define RT5033_VENDOR_ID_MASK		0xf0
@@ -82,14 +84,15 @@  enum rt5033_reg {
 #define RT5033_CHGCTRL3_TIMER_EN_MASK	0x01
 
 /* RT5033 CHGCTRL4 register */
-#define RT5033_CHGCTRL4_EOC_MASK	0x07
+#define RT5033_CHGCTRL4_MIVR_MASK	0xe0
 #define RT5033_CHGCTRL4_IPREC_MASK	0x18
+#define RT5033_CHGCTRL4_IPREC_SHIFT	0x03
+#define RT5033_CHGCTRL4_EOC_MASK	0x07
 
 /* RT5033 CHGCTRL5 register */
-#define RT5033_CHGCTRL5_VPREC_MASK	0x0f
 #define RT5033_CHGCTRL5_ICHG_MASK	0xf0
 #define RT5033_CHGCTRL5_ICHG_SHIFT	0x04
-#define RT5033_CHG_MAX_CURRENT		0x0d
+#define RT5033_CHGCTRL5_VPREC_MASK	0x0f
 
 /* RT5033 RT CTRL1 register */
 #define RT5033_RT_CTRL1_UUG_MASK	0x02
@@ -128,20 +131,28 @@  enum rt5033_reg {
 #define RT5033_AICR_1500_MODE			0xc0
 #define RT5033_AICR_2000_MODE			0xe0
 
-/* RT5033 use internal timer need to set time */
-#define RT5033_FAST_CHARGE_TIMER4		0x00
-#define RT5033_FAST_CHARGE_TIMER6		0x01
-#define RT5033_FAST_CHARGE_TIMER8		0x02
-#define RT5033_FAST_CHARGE_TIMER9		0x03
-#define RT5033_FAST_CHARGE_TIMER12		0x04
-#define RT5033_FAST_CHARGE_TIMER14		0x05
-#define RT5033_FAST_CHARGE_TIMER16		0x06
+/* RT5033 charger minimum input voltage regulation */
+#define RT5033_CHARGER_MIVR_DISABLE		0x00
+#define RT5033_CHARGER_MIVR_4200MV		0x20
+#define RT5033_CHARGER_MIVR_4300MV		0x40
+#define RT5033_CHARGER_MIVR_4400MV		0x60
+#define RT5033_CHARGER_MIVR_4500MV		0x80
+#define RT5033_CHARGER_MIVR_4600MV		0xa0
+#define RT5033_CHARGER_MIVR_4700MV		0xc0
+#define RT5033_CHARGER_MIVR_4800MV		0xe0
 
+/* RT5033 use internal timer need to set time */
+#define RT5033_FAST_CHARGE_TIMER4		0x00 /*  4 hrs */
+#define RT5033_FAST_CHARGE_TIMER6		0x08 /*  6 hrs */
+#define RT5033_FAST_CHARGE_TIMER8		0x10 /*  8 hrs */
+#define RT5033_FAST_CHARGE_TIMER10		0x18 /* 10 hrs */
+#define RT5033_FAST_CHARGE_TIMER12		0x20 /* 12 hrs */
+#define RT5033_FAST_CHARGE_TIMER14		0x28 /* 14 hrs */
+#define RT5033_FAST_CHARGE_TIMER16		0x30 /* 16 hrs */
+
+#define RT5033_INT_TIMER_DISABLE		0x00
 #define RT5033_INT_TIMER_ENABLE			0x01
 
-/* RT5033 charger termination enable mask */
-#define RT5033_TE_ENABLE_MASK			0x08
-
 /*
  * RT5033 charger opa mode. RT5033 has two opa modes for OTG: charger mode
  * and boost mode.
@@ -150,25 +161,30 @@  enum rt5033_reg {
 #define RT5033_BOOST_MODE			0x01
 
 /* RT5033 charger termination enable */
+#define RT5033_TE_DISABLE			0x00
 #define RT5033_TE_ENABLE			0x08
 
 /* RT5033 charger CFO enable */
+#define RT5033_CFO_DISABLE			0x00
 #define RT5033_CFO_ENABLE			0x40
 
 /* RT5033 charger constant charge voltage (as in CHGCTRL2 register), uV */
 #define RT5033_CHARGER_CONST_VOLTAGE_LIMIT_MIN	3650000U
 #define RT5033_CHARGER_CONST_VOLTAGE_STEP_NUM   25000U
 #define RT5033_CHARGER_CONST_VOLTAGE_LIMIT_MAX	4400000U
+#define RT5033_CV_MAX_VOLTAGE			0x1e
 
 /* RT5033 charger pre-charge current limits (as in CHGCTRL4 register), uA */
 #define RT5033_CHARGER_PRE_CURRENT_LIMIT_MIN	350000U
 #define RT5033_CHARGER_PRE_CURRENT_STEP_NUM	100000U
 #define RT5033_CHARGER_PRE_CURRENT_LIMIT_MAX	650000U
+#define RT5033_CHG_MAX_PRE_CURRENT		0x03
 
 /* RT5033 charger fast-charge current (as in CHGCTRL5 register), uA */
 #define RT5033_CHARGER_FAST_CURRENT_MIN		700000U
 #define RT5033_CHARGER_FAST_CURRENT_STEP_NUM	100000U
 #define RT5033_CHARGER_FAST_CURRENT_MAX		2000000U
+#define RT5033_CHG_MAX_CURRENT			0x0d
 
 /*
  * RT5033 charger const-charge end of charger current (
@@ -192,6 +208,7 @@  enum rt5033_reg {
  * RT5033 charger UUG. It enables MOS auto control by H/W charger
  * circuit.
  */
+#define RT5033_CHARGER_UUG_DISABLE		0x00
 #define RT5033_CHARGER_UUG_ENABLE		0x02
 
 /* RT5033 charger high impedance mode */
diff --git a/include/linux/mfd/rt5033.h b/include/linux/mfd/rt5033.h
index 8f306ac15a27..e99e2ab0c1c1 100644
--- a/include/linux/mfd/rt5033.h
+++ b/include/linux/mfd/rt5033.h
@@ -51,7 +51,7 @@  struct rt5033_charger_data {
 struct rt5033_charger {
 	struct device			*dev;
 	struct rt5033_dev		*rt5033;
-	struct power_supply		psy;
+	struct power_supply		*psy;
 	struct rt5033_charger_data	*chg;
 };