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SubjectRe: [PATCH 9/9] soc: mediatek: pwrap: add support for MT6366 PMIC
From
Il 03/08/23 09:42, Chen-Yu Tsai ha scritto:
> The MT6366 PMIC is mostly, but not fully, compatible with MT6358. It has
> a different set of regulators. Specifically, it lacks the camera related
> VCAM* LDOs, but has additional VM18, VMDDR, and VSRAM_CORE LDOs.
>
> Add a separate compatible for the MT6366 PMIC.
>
> Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>

We can express the same partial-compatibility state with bindings, adding a
new compatible here with the same platform data doesn't really add any value...

...also because in DT we'll have something like
compatible = "mediatek,mt6366", "mediatek,mt6358";

so if any variation of platform data in mtk-pmic-wrap will ever be needed, we
would still be able to do that in the future without any headache.

In my opinion, this commit can be dropped.

P.S.: We could add a comment in the mt6366.dtsi pmic devicetree for that, too?

Cheers,
Angelo

> ---
> drivers/soc/mediatek/mtk-pmic-wrap.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
> index 11095b8de71a..e3c0e767033b 100644
> --- a/drivers/soc/mediatek/mtk-pmic-wrap.c
> +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
> @@ -2257,6 +2257,8 @@ static const struct of_device_id of_slave_match_tbl[] = {
> { .compatible = "mediatek,mt6357", .data = &pmic_mt6357 },
> { .compatible = "mediatek,mt6358", .data = &pmic_mt6358 },
> { .compatible = "mediatek,mt6359", .data = &pmic_mt6359 },
> + /* MT6366 is mostly compatible with MT6358, except for slightly different regulators. */
> + { .compatible = "mediatek,mt6366", .data = &pmic_mt6358 },
>
> /* The MT6380 PMIC only implements a regulator, so we bind it
> * directly instead of using a MFD.


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