spi: spi-mtk-nor: add new soc mt8186 support

Add compatible mediatek,mt8186-nor implementation.

Signed-off-by: Guochun Mao <guochun.mao@mediatek.com>
Signed-off-by: Zhen Zhang <zhen.zhang@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220118142820.2729-4-guochun.mao@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spi-mtk-nor.c

@@ -765,6 +765,11 @@ const struct mtk_nor_caps mtk_nor_caps_mt8173 = {
 	.extra_dummy_bit = 0,
 };
 
+const struct mtk_nor_caps mtk_nor_caps_mt8186 = {
+	.dma_bits = 32,
+	.extra_dummy_bit = 1,
+};
+
 const struct mtk_nor_caps mtk_nor_caps_mt8192 = {
 	.dma_bits = 36,
 	.extra_dummy_bit = 0,
@@ -772,6 +777,7 @@ const struct mtk_nor_caps mtk_nor_caps_mt8192 = {
 
 static const struct of_device_id mtk_nor_match[] = {
 	{ .compatible = "mediatek,mt8173-nor", .data = &mtk_nor_caps_mt8173 },
+	{ .compatible = "mediatek,mt8186-nor", .data = &mtk_nor_caps_mt8186 },
 	{ .compatible = "mediatek,mt8192-nor", .data = &mtk_nor_caps_mt8192 },
 	{ /* sentinel */ }
 };