Re: [PATCH] mfd: mt6397: Properly fix CID of MT6328, MT6331 and MT6332

[AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>]

Il 28/02/26 20:08, Akari Tsuyukusa ha scritto:
> CIDs set for MT6328, MT6331 and MT6332 are not appropriate.
> Many Android downstream kernels define CID as below,
> 
> MT6328:
> 
>      #define PMIC6328_E1_CID_CODE    0x2810
>      #define PMIC6328_E2_CID_CODE    0x2820
>      #define PMIC6328_E3_CID_CODE    0x2830
> 
> MT6331/MT6332:
> 
>      #define PMIC6331_E1_CID_CODE    0x3110
>      #define PMIC6331_E2_CID_CODE    0x3120
>      #define PMIC6331_E3_CID_CODE    0x3130
> 
>      #define PMIC6332_E1_CID_CODE    0x3210
>      #define PMIC6332_E2_CID_CODE    0x3220
>      #define PMIC6332_E3_CID_CODE    0x3230
> 
> The current configuration incorrectly uses the revision code as the CID.
> Therefore, the driver cannot detect the same PMIC of different revisions.
> (E1/E2 for MT6328, E1/E3 for MT6331/MT6332)
> Based on these, the CID of MT6328, MT6331 and MT6332 should be corrected.
> 
> Additionally, the incorrect MT6331/MT6332 CID overlaps with the MT6320's
> actual CID:
> 
>      #define PMIC6320_E1_CID_CODE    0x1020
>      #define PMIC6320_E2_CID_CODE    0x2020
> 
> This causes a conflict in the switch-case statement of mt6397-irq.c,
> this prevents adding support for MT6320.
> 
> Link: https://github.com/parthibx24/android_kernel_mediatek_k35/blob/4853d1fd9e40563573fa6d6b32b75d571a95e2b7/drivers/misc/mediatek/power/mt6735/pmic.h#L10-L12
> Link: https://github.com/meizuosc/m75/blob/80ef1d26c5d73e131d064138ed09ff5a2be2bed8/mediatek/platform/mt6595/kernel/core/include/mach/pmic_mt6331_6332_sw.h#L9-L15
> Link: https://github.com/toffyjan/android_Ticwatch_S_mooneye/blob/4f2a73b26f3821afc452cdce660cdbc73daf4e4a/arch/arm/mach-mt2601/include/mach/pmic_mt6320_sw.h#L29-L30

Please remove these links, these will be invalid in a few months, so they are
irrelevant.

> Signed-off-by: Akari Tsuyukusa <akkun11.open@gmail.com>

Anyway:

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

Cheers,
Angelo