drm/panfrost: Add support for Mali on the MT8186 SoC

MediaTek MT8186 has a Mali-G52 MC2 2EE (Bifrost): add a new compatible
and platform data using the same supplies list as "mt8183_b" (only one
regulator), and a new pm_domains list with only two power domains.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230316102041.210269-13-angelogioacchino.delregno@collabora.com

drivers/gpu/drm/panfrost/panfrost_drv.c

@@ -672,6 +672,14 @@ static const struct panfrost_compatible mediatek_mt8183_b_data = {
 	.pm_domain_names = mediatek_mt8183_pm_domains,
 };
 
+static const char * const mediatek_mt8186_pm_domains[] = { "core0", "core1" };
+static const struct panfrost_compatible mediatek_mt8186_data = {
+	.num_supplies = ARRAY_SIZE(mediatek_mt8183_b_supplies) - 1,
+	.supply_names = mediatek_mt8183_b_supplies,
+	.num_pm_domains = ARRAY_SIZE(mediatek_mt8186_pm_domains),
+	.pm_domain_names = mediatek_mt8186_pm_domains,
+};
+
 static const char * const mediatek_mt8192_supplies[] = { "mali", NULL };
 static const char * const mediatek_mt8192_pm_domains[] = { "core0", "core1", "core2",
 							   "core3", "core4" };
@@ -701,6 +709,7 @@ static const struct of_device_id dt_match[] = {
 	{ .compatible = "arm,mali-valhall-jm", .data = &default_data, },
 	{ .compatible = "mediatek,mt8183-mali", .data = &mediatek_mt8183_data },
 	{ .compatible = "mediatek,mt8183b-mali", .data = &mediatek_mt8183_b_data },
+	{ .compatible = "mediatek,mt8186-mali", .data = &mediatek_mt8186_data },
 	{ .compatible = "mediatek,mt8192-mali", .data = &mediatek_mt8192_data },
 	{}
 };