Re: [PATCH 2/2] soc: samsung: exynos-pmu: update to use of_syscon_register_regmap()

On Fri, 2024-06-14 at 15:04 +0100, Peter Griffin wrote:

For SoCs like gs101 that need a special regmap, register this with
of_syscon_register_regmap api, so it can be returned by
syscon_regmap_lookup_by_phandle() and friends.

For SoCs that don't require a custom regmap, revert back to syscon
creating the mmio regmap rather than duplicating the logic here.

exynos_get_pmu_regmap_by_phandle() api is also updated to retrieve
the regmap via syscon. The exynos_get_pmu_regmap_by_phandle() api
is kept around until fw_devlink support for syscon property is added
for the pinctrl-samsung driver that also runs at postcore_initcall
level.

All other exynos client drivers can revert back to
syscon_regmap_lookup_by_phandle().

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>

With this series, the exynos5 usb phy driver works on gs101 without
having to patch it to use exynos_get_pmu_regmap_by_phandle() instead
of the standard syscon_regmap_lookup_by_phandle():

Tested-by: André Draszik <andre.draszik@linaro.org>