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Message-ID: <f1f2a382-64d9-43dd-bed1-8b1ac9e53470@google.com>
Date: Mon, 5 Jan 2026 11:58:29 -0800
From: Amit Sunil Dhamne <amitsd@...gle.com>
To: André Draszik <andre.draszik@...aro.org>,
 Sebastian Reichel <sre@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Lee Jones <lee@...nel.org>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Badhri Jagan Sridharan <badhri@...gle.com>,
 Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
 Peter Griffin <peter.griffin@...aro.org>,
 Tudor Ambarus <tudor.ambarus@...aro.org>,
 Alim Akhtar <alim.akhtar@...sung.com>
Cc: linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
 devicetree@...r.kernel.org, linux-usb@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org,
 RD Babiera <rdbabiera@...gle.com>, Kyle Tso <kyletso@...gle.com>
Subject: Re: [PATCH v3 3/5] mfd: max77759: add register bitmasks and modify
 irq configs for charger


On 1/5/26 8:45 AM, André Draszik wrote:
> On Sat, 2025-12-27 at 00:04 +0000, Amit Sunil Dhamne via B4 Relay wrote:
>> From: Amit Sunil Dhamne <amitsd@...gle.com>
>>
>> Add register bitmasks for charger function.
>> In addition split the charger IRQs further such that each bit represents
>> an IRQ downstream of charger regmap irq chip. In addition populate the
>> ack_base to offload irq ack to the regmap irq chip framework.
>>
>> Signed-off-by: Amit Sunil Dhamne <amitsd@...gle.com>
>> ---
>>   drivers/mfd/max77759.c       |  91 +++++++++++++++++--
>>   include/linux/mfd/max77759.h | 202 ++++++++++++++++++++++++++++++++++++-------
>>   2 files changed, 256 insertions(+), 37 deletions(-)
>>
>> [...]
>>   
>> diff --git a/include/linux/mfd/max77759.h b/include/linux/mfd/max77759.h
>> index c6face34e385..e674a519e782 100644
>> --- a/include/linux/mfd/max77759.h
>> +++ b/include/linux/mfd/max77759.h
>> @@ -59,35 +59,65 @@
>>   #define MAX77759_MAXQ_REG_AP_DATAIN0            0xb1
>>   #define MAX77759_MAXQ_REG_UIC_SWRST             0xe0
>>   
>> -#define MAX77759_CHGR_REG_CHG_INT               0xb0
>> -#define MAX77759_CHGR_REG_CHG_INT2              0xb1
>> -#define MAX77759_CHGR_REG_CHG_INT_MASK          0xb2
>> -#define MAX77759_CHGR_REG_CHG_INT2_MASK         0xb3
>> -#define MAX77759_CHGR_REG_CHG_INT_OK            0xb4
>> -#define MAX77759_CHGR_REG_CHG_DETAILS_00        0xb5
>> -#define MAX77759_CHGR_REG_CHG_DETAILS_01        0xb6
>> -#define MAX77759_CHGR_REG_CHG_DETAILS_02        0xb7
>> -#define MAX77759_CHGR_REG_CHG_DETAILS_03        0xb8
>> -#define MAX77759_CHGR_REG_CHG_CNFG_00           0xb9
>> -#define MAX77759_CHGR_REG_CHG_CNFG_01           0xba
>> -#define MAX77759_CHGR_REG_CHG_CNFG_02           0xbb
>> -#define MAX77759_CHGR_REG_CHG_CNFG_03           0xbc
>> -#define MAX77759_CHGR_REG_CHG_CNFG_04           0xbd
>> -#define MAX77759_CHGR_REG_CHG_CNFG_05           0xbe
>> -#define MAX77759_CHGR_REG_CHG_CNFG_06           0xbf
>> -#define MAX77759_CHGR_REG_CHG_CNFG_07           0xc0
>> -#define MAX77759_CHGR_REG_CHG_CNFG_08           0xc1
>> -#define MAX77759_CHGR_REG_CHG_CNFG_09           0xc2
>> -#define MAX77759_CHGR_REG_CHG_CNFG_10           0xc3
>> -#define MAX77759_CHGR_REG_CHG_CNFG_11           0xc4
>> -#define MAX77759_CHGR_REG_CHG_CNFG_12           0xc5
>> -#define MAX77759_CHGR_REG_CHG_CNFG_13           0xc6
>> -#define MAX77759_CHGR_REG_CHG_CNFG_14           0xc7
>> -#define MAX77759_CHGR_REG_CHG_CNFG_15           0xc8
>> -#define MAX77759_CHGR_REG_CHG_CNFG_16           0xc9
>> -#define MAX77759_CHGR_REG_CHG_CNFG_17           0xca
>> -#define MAX77759_CHGR_REG_CHG_CNFG_18           0xcb
>> -#define MAX77759_CHGR_REG_CHG_CNFG_19           0xcc
>> +#define MAX77759_CHGR_REG_CHG_INT                      0xb0
>> +#define   MAX77759_CHGR_REG_CHG_INT_AICL               BIT(7)
>> +#define   MAX77759_CHGR_REG_CHG_INT_CHGIN              BIT(6)
>> +#define   MAX77759_CHGR_REG_CHG_INT_WCIN               BIT(5)
>> +#define   MAX77759_CHGR_REG_CHG_INT_CHG                BIT(4)
>> +#define   MAX77759_CHGR_REG_CHG_INT_BAT                BIT(3)
>> +#define   MAX77759_CHGR_REG_CHG_INT_INLIM              BIT(2)
>> +#define   MAX77759_CHGR_REG_CHG_INT_THM2               BIT(1)
>> +#define   MAX77759_CHGR_REG_CHG_INT_BYP                BIT(0)
>> +#define MAX77759_CHGR_REG_CHG_INT2                     0xb1
>> +#define   MAX77759_CHGR_REG_CHG_INT2_INSEL             BIT(7)
>> +#define   MAX77759_CHGR_REG_CHG_INT2_SYS_UVLO1         BIT(6)
>> +#define   MAX77759_CHGR_REG_CHG_INT2_SYS_UVLO2         BIT(5)
>> +#define   MAX77759_CHGR_REG_CHG_INT2_BAT_OILO          BIT(4)
>> +#define   MAX77759_CHGR_REG_CHG_INT2_CHG_STA_CC        BIT(3)
>> +#define   MAX77759_CHGR_REG_CHG_INT2_CHG_STA_CV        BIT(2)
>> +#define   MAX77759_CHGR_REG_CHG_INT2_CHG_STA_TO        BIT(1)
>> +#define   MAX77759_CHGR_REG_CHG_INT2_CHG_STA_DONE      BIT(0)
>> +#define MAX77759_CHGR_REG_CHG_INT_MASK                 0xb2
>> +#define MAX77759_CHGR_REG_CHG_INT2_MASK                0xb3
>> +#define MAX77759_CHGR_REG_CHG_INT_OK                   0xb4
>> +#define MAX77759_CHGR_REG_CHG_DETAILS_00               0xb5
>> +#define   MAX77759_CHGR_REG_CHG_DETAILS_OO_CHGIN_DTLS  GENMASK(6, 5)
>> +#define MAX77759_CHGR_REG_CHG_DETAILS_01               0xb6
>> +#define   MAX77759_CHGR_REG_CHG_DETAILS_01_BAT_DTLS    GENMASK(6, 4)
>> +#define   MAX77759_CHGR_REG_CHG_DETAILS_01_CHG_DTLS    GENMASK(3, 0)
>> +#define MAX77759_CHGR_REG_CHG_DETAILS_02               0xb7
>> +#define   MAX77759_CHGR_REG_CHG_DETAILS_02_CHGIN_STS   BIT(5)
>> +#define MAX77759_CHGR_REG_CHG_DETAILS_03               0xb8
>> +#define MAX77759_CHGR_REG_CHG_CNFG_00                  0xb9
>> +#define   MAX77759_CHGR_REG_CHG_CNFG_00_MODE           GENMASK(3, 0)
>> +#define MAX77759_CHGR_REG_CHG_CNFG_01                  0xba
>> +#define MAX77759_CHGR_REG_CHG_CNFG_02                  0xbb
>> +#define   MAX77759_CHGR_REG_CHG_CNFG_02_CHGCC	       GENMASK(5, 0)
> Small nit - there seems to be a stray TAB in this line.

Will fix it in the next revision.


BR,

Amit

>
> Other than that:
> Reviewed-by: André Draszik <andre.draszik@...aro.org>

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