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

source/trusted-firmware/trusted-firmware-a-2.8/include/drivers/st/stm32mp1_clk.h

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2018-2022, STMicroelectronics - All Rights Reserved
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef STM32MP1_CLK_H
+#define STM32MP1_CLK_H
+
+#include <arch_helpers.h>
+
+enum stm32mp_osc_id {
+	_HSI,
+	_HSE,
+	_CSI,
+	_LSI,
+	_LSE,
+	_I2S_CKIN,
+	NB_OSC,
+	_UNKNOWN_OSC_ID = 0xFF
+};
+
+extern const char *stm32mp_osc_node_label[NB_OSC];
+
+int stm32mp1_clk_probe(void);
+int stm32mp1_clk_init(void);
+
+bool stm32mp1_rcc_is_secure(void);
+bool stm32mp1_rcc_is_mckprot(void);
+
+/* SMP protection on RCC registers access */
+void stm32mp1_clk_rcc_regs_lock(void);
+void stm32mp1_clk_rcc_regs_unlock(void);
+
+#ifdef STM32MP_SHARED_RESOURCES
+void stm32mp1_register_clock_parents_secure(unsigned long id);
+#endif
+#endif /* STM32MP1_CLK_H */