soc: mediatek: mmsys: add mmsys reset control for MT8186

Add mmsys reset control register 0x160 for MT8186.

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Link: https://lore.kernel.org/r/20220217082626.15728-3-rex-bc.chen@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

drivers/soc/mediatek/mt8186-mmsys.h

@@ -52,6 +52,8 @@
 #define MT8186_DPI0_FROM_DITHER0			1
 #define MT8186_DPI0_FROM_RDMA0				2
 
+#define MT8186_MMSYS_SW0_RST_B				0x160
+
 static const struct mtk_mmsys_routes mmsys_mt8186_routing_table[] = {
 	{
 		DDP_COMPONENT_OVL0, DDP_COMPONENT_RDMA0,

drivers/soc/mediatek/mtk-mmsys.c

@@ -61,6 +61,7 @@ static const struct mtk_mmsys_driver_data mt8186_mmsys_driver_data = {
 	.clk_driver = "clk-mt8186-mm",
 	.routes = mmsys_mt8186_routing_table,
 	.num_routes = ARRAY_SIZE(mmsys_mt8186_routing_table),
+	.sw0_rst_offset = MT8186_MMSYS_SW0_RST_B,
 };
 
 static const struct mtk_mmsys_driver_data mt8192_mmsys_driver_data = {