9f6c531da0
Make driver take register info from device tree so it can work with both 8-bit and 32-bit CSRs. Signed-off-by: Michal Sieron <msieron@internships.antmicro.com>
44 lines
1,023 B
C
44 lines
1,023 B
C
/*
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* Copyright (c) 2019 Antmicro <www.antmicro.com>
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef _SPI_LITESPI__H
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#define _SPI_LITESPI__H
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#include "spi_context.h"
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#include <zephyr/sys/sys_io.h>
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#include <zephyr/device.h>
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#include <zephyr/drivers/spi.h>
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#define SPI_BASE_ADDR DT_INST_REG_ADDR(0)
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#define SPI_CONTROL_ADDR DT_INST_REG_ADDR_BY_NAME(0, control)
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#define SPI_STATUS_ADDR DT_INST_REG_ADDR_BY_NAME(0, status)
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#define SPI_MOSI_DATA_ADDR DT_INST_REG_ADDR_BY_NAME(0, mosi)
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#define SPI_MISO_DATA_ADDR DT_INST_REG_ADDR_BY_NAME(0, miso)
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#define SPI_CS_ADDR DT_INST_REG_ADDR_BY_NAME(0, cs)
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#define SPI_LOOPBACK_ADDR DT_INST_REG_ADDR_BY_NAME(0, loopback)
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#define POSITION_WORD_SIZE 8
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#define SPI_MAX_CS_SIZE 0x100
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#define SPI_WORD_SIZE 8
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#define SPI_ENABLE 0x1
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#define SPI_DATA(dev) ((struct spi_litespi_data *) ((dev)->data))
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/* Structure Declarations */
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struct spi_litespi_data {
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struct spi_context ctx;
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};
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struct spi_litespi_cfg {
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uint32_t base;
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uint32_t f_sys;
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};
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#endif /* _SPI_LITESPI__H */
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