mediatek: mt8192: Add SPM suspend driver

Supports dram/mainpll/26m off when system suspend

Change-Id: Id13a06d4132f00fb60066de75920ecac18306e32
diff --git a/plat/mediatek/mt8192/drivers/spm/mt_spm_resource_req.h b/plat/mediatek/mt8192/drivers/spm/mt_spm_resource_req.h
new file mode 100644
index 0000000..30194eb
--- /dev/null
+++ b/plat/mediatek/mt8192/drivers/spm/mt_spm_resource_req.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2020, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MT_SPM_RESOURCE_REQ_H
+#define MT_SPM_RESOURCE_REQ_H
+
+/* SPM resource request internal bit */
+#define MT_SPM_BIT_XO_FPM	0
+#define MT_SPM_BIT_26M		1
+#define MT_SPM_BIT_INFRA	2
+#define MT_SPM_BIT_SYSPLL	3
+#define MT_SPM_BIT_DRAM_S0	4
+#define MT_SPM_BIT_DRAM_S1	5
+
+/* SPM resource request internal bit_mask */
+#define MT_SPM_XO_FPM	BIT(MT_SPM_BIT_XO_FPM)
+#define MT_SPM_26M	BIT(MT_SPM_BIT_26M)
+#define MT_SPM_INFRA	BIT(MT_SPM_BIT_INFRA)
+#define MT_SPM_SYSPLL	BIT(MT_SPM_BIT_SYSPLL)
+#define MT_SPM_DRAM_S0	BIT(MT_SPM_BIT_DRAM_S0)
+#define MT_SPM_DRAM_S1	BIT(MT_SPM_BIT_DRAM_S1)
+#endif /* MT_SPM_RESOURCE_REQ_H */