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2c2c9f1eb1
If the max-frequency property is provided in the device tree mmc node, it should be managed. The max allowed frequency will be the min between this property value and what the card can support. Change-Id: I885b676c3300d2670a0fe4c6ecab87758b5893ad Signed-off-by: Yann Gautier <yann.gautier@st.com>
33 lines
767 B
C
33 lines
767 B
C
/*
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* Copyright (c) 2017-2019, 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 STM32_SDMMC2_H
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#define STM32_SDMMC2_H
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#include <stdbool.h>
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#include <drivers/mmc.h>
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struct stm32_sdmmc2_params {
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uintptr_t reg_base;
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unsigned int clk_rate;
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unsigned int bus_width;
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unsigned int flags;
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struct mmc_device_info *device_info;
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unsigned int pin_ckin;
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unsigned int negedge;
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unsigned int dirpol;
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unsigned int clock_id;
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unsigned int reset_id;
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unsigned int max_freq;
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bool use_dma;
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};
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unsigned long long stm32_sdmmc2_mmc_get_device_size(void);
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int stm32_sdmmc2_mmc_init(struct stm32_sdmmc2_params *params);
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bool plat_sdmmc2_use_dma(unsigned int instance, unsigned int memory);
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#endif /* STM32_SDMMC2_H */
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