RE: [PATCH v3 3/5] pinctrl: samsung: add per-bank FLTCON offset to EXYNOS9_PIN_BANK_* and fix tables

From: Alim Akhtar
Date: Tue Dec 16 2025 - 23:46:37 EST


Hi Youngmin

> -----Original Message-----
> From: Youngmin Nam <youngmin.nam@xxxxxxxxxxx>
> Sent: Tuesday, December 2, 2025 3:06 PM
> To: krzk@xxxxxxxxxx; s.nawrocki@xxxxxxxxxxx; alim.akhtar@xxxxxxxxxxx;
> linus.walleij@xxxxxxxxxx; peter.griffin@xxxxxxxxxx;
> semen.protsenko@xxxxxxxxxx; ivo.ivanov.ivanov1@xxxxxxxxx
> Cc: ryu.real@xxxxxxxxxxx; d7271.choe@xxxxxxxxxxx;
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> <youngmin.nam@xxxxxxxxxxx>
> Subject: [PATCH v3 3/5] pinctrl: samsung: add per-bank FLTCON offset to
> EXYNOS9_PIN_BANK_* and fix tables
>
> Several Exynos9-era pin-bank tables were implicitly assuming that the
> filter control (FLTCON) registers are laid out contiguously from the
> EINT base offset. Per the TRMs this is not always true. FLTCON can live
> at a separate per-bank offset, and the current tables cause the driver
> to program the wrong FLTCON addresses for some banks.
>
> - Extends EXYNOS9_PIN_BANK_EINTG()/EINTW() to take an explicit
> .eint_fltcon_offset parameter.
> - Updates pin-bank tables with the correct FLTCON offsets for:
> Exynos2200 (ALIVE/CMGP/HSI1/UFS/HSI1UFS/PERIC0/1/2/VTS),
> Exynos7870 (ALIVE/DISPAUD/ESE/FSYS/MIF/NFC/TOP/TOUCH),
> Exynos7885 (ALIVE/DISPAUD/FSYS/TOP),
> Exynos850 (ALIVE/CMGP/AUD/HSI/CORE/PERI),
> Exynos990 (ALIVE/CMGP/HSI1/HSI2/PERIC0/1/VTS),
> Exynos9810 (ALIVE/AUD/CHUB/CMGP/FSYS0/FSYS1/PERIC0/1/VTS),
> ExynosAuto v9 (ALIVE/AUD/FSYS0/1/2/PERIC0/1),
> Exynos8890 (ALIVE/AUD/CCORE/ESE/FP/FSYS0/1/NFC/PERIC0/1/TOUCH),
> Exynos8895 (ALIVE/ABOX/VTS/FSYS0/1/BUSC/PERIC0/1),
> and FSD (FSYS/PERIC).
>
> Notes:
> - GS101 already programs per-bank filter control registers. This change
> aligns the Exynos9 path with that model.
> - Banks without filters (EINTN) are unaffected.
>
> Signed-off-by: Youngmin Nam <youngmin.nam@xxxxxxxxxxx>
> Reviewed-by: Sam Protsenko <semen.protsenko@xxxxxxxxxx>
> Tested-by: Sam Protsenko <semen.protsenko@xxxxxxxxxx>
> ---
Reviewed-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>

Tested this series on Exynosautov920 sadk

Tested-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>