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165ad5561e
Add a UART/USART driver for STM32 with complete a hardware support; it used for STM32CubeProgrammer support with even parity. This driver is not used for console, which is already handle by a simple driver (drivers/st/uart/aarch32/stm32_console.S). Change-Id: Ia9266e5d177fe7fd09c8a15b81da1a05b1bc8b2d Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Signed-off-by: Nicolas Le Bayon <nicolas.le.bayon@st.com>
32 lines
877 B
C
32 lines
877 B
C
/*
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* Copyright (c) 2017-2021, STMicroelectronics - All Rights Reserved
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef STM32MP_CLKFUNC_H
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#define STM32MP_CLKFUNC_H
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#include <stdbool.h>
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#include <libfdt.h>
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#include <platform_def.h>
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int fdt_osc_read_freq(const char *name, uint32_t *freq);
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bool fdt_osc_read_bool(enum stm32mp_osc_id osc_id, const char *prop_name);
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uint32_t fdt_osc_read_uint32_default(enum stm32mp_osc_id osc_id,
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const char *prop_name,
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uint32_t dflt_value);
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int fdt_rcc_read_uint32_array(const char *prop_name, uint32_t count,
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uint32_t *array);
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int fdt_rcc_subnode_offset(const char *name);
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const fdt32_t *fdt_rcc_read_prop(const char *prop_name, int *lenp);
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bool fdt_get_rcc_secure_status(void);
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int fdt_get_clock_id(int node);
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unsigned long fdt_get_uart_clock_freq(uintptr_t instance);
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#endif /* STM32MP_CLKFUNC_H */
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