GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/trusted-firmware/trusted-firmware-a-2.8/include/drivers/st/stm32mp_pmic.h

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2017-2022, STMicroelectronics - All Rights Reserved
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef STM32MP_PMIC_H
+#define STM32MP_PMIC_H
+
+#include <stdbool.h>
+
+#include <platform_def.h>
+
+/*
+ * dt_pmic_status - Check PMIC status from device tree
+ *
+ * Returns the status of the PMIC (secure, non-secure), or a negative value on
+ * error
+ */
+int dt_pmic_status(void);
+
+/*
+ * initialize_pmic_i2c - Initialize I2C for the PMIC control
+ *
+ * Returns true if PMIC is available, false if not found, panics on errors
+ */
+bool initialize_pmic_i2c(void);
+
+/*
+ * initialize_pmic - Main PMIC initialization function, called at platform init
+ *
+ * Panics on errors
+ */
+void initialize_pmic(void);
+
+#if DEBUG
+void print_pmic_info_and_debug(void);
+#else
+static inline void print_pmic_info_and_debug(void)
+{
+}
+#endif
+
+/*
+ * pmic_ddr_power_init - Initialize regulators required for DDR
+ *
+ * Returns 0 on success, and negative values on errors
+ */
+int pmic_ddr_power_init(enum ddr_type ddr_type);
+
+/*
+ * pmic_voltages_init - Update voltages for platform init
+ *
+ * Returns 0 on success, and negative values on errors
+ */
+int pmic_voltages_init(void);
+
+#endif /* STM32MP_PMIC_H */