refator(mediatek): move pmic.[c|h] to common folder
These two files are identical on MT8192 and MT8195. They can also be
used on MT8188. So move them to common/drivers/pmic/.
Change-Id: I8c12d15f1da79ab5767ac02b3ab70e8508155ee8
diff --git a/plat/mediatek/drivers/pmic/pmic.c b/plat/mediatek/drivers/pmic/pmic.c
new file mode 100644
index 0000000..a11ad9a
--- /dev/null
+++ b/plat/mediatek/drivers/pmic/pmic.c
@@ -0,0 +1,13 @@
+/*
+ * Copyright (c) 2022, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <pmic.h>
+#include <pmic_wrap_init.h>
+
+void pmic_power_off(void)
+{
+ pwrap_write(PMIC_PWRHOLD, 0x0);
+}
diff --git a/plat/mediatek/drivers/pmic/pmic.h b/plat/mediatek/drivers/pmic/pmic.h
new file mode 100644
index 0000000..6c10f65
--- /dev/null
+++ b/plat/mediatek/drivers/pmic/pmic.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2022, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PMIC_H
+#define PMIC_H
+
+#define PMIC_PWRHOLD (0xa08)
+
+/* external API */
+void pmic_power_off(void);
+
+#endif /* PMIC_H */