mediatek: mt8183: support system off
- Add PMIC driver
- Add RTC drvier
- Refactor PMIC and RTC to mediatek/common
- Implement system off handler
Change-Id: If76497646ace1b78bc9a5fa0110b652fe512281a
diff --git a/plat/mediatek/mt8183/drivers/pmic/pmic.c b/plat/mediatek/mt8183/drivers/pmic/pmic.c
new file mode 100644
index 0000000..818c149
--- /dev/null
+++ b/plat/mediatek/mt8183/drivers/pmic/pmic.c
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2019, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <pmic_wrap_init.h>
+#include <pmic.h>
+
+void wk_pmic_enable_sdn_delay(void)
+{
+ uint32_t con;
+
+ pwrap_write(PMIC_TMA_KEY, 0x9CA7);
+ pwrap_read(PMIC_PSEQ_ELR11, &con);
+ con &= ~PMIC_RG_SDN_DLY_ENB;
+ pwrap_write(PMIC_PSEQ_ELR11, con);
+ pwrap_write(PMIC_TMA_KEY, 0);
+}
+
+void pmic_power_off(void)
+{
+ pwrap_write(PMIC_PWRHOLD, 0x0);
+}