+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Common SPI Interface: Controller-specific definitions
*
* (C) Copyright 2001
* Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com.
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _SPI_H_
* @cs: ID of the chip select connected to the slave.
* @mode: SPI mode to use for this slave (see SPI mode flags)
* @wordlen: Size of SPI word in number of bits
+ * @max_read_size: If non-zero, the maximum number of bytes which can
+ * be read at once.
* @max_write_size: If non-zero, the maximum number of bytes which can
- * be written at once, excluding command bytes.
+ * be written at once.
* @memory_map: Address of read-only SPI flash access.
* @flags: Indication of SPI flags.
*/
#endif
uint mode;
unsigned int wordlen;
+ unsigned int max_read_size;
unsigned int max_write_size;
void *memory_map;
- u8 option;
u8 flags;
#define SPI_XFER_BEGIN BIT(0) /* Assert CS before transfer */
return ret < 0 ? ret : din[1];
}
-/**
- * Set up a SPI slave for a particular device tree node
- *
- * This calls spi_setup_slave() with the correct bus number. Call
- * spi_free_slave() to free it later.
- *
- * @param blob: Device tree blob
- * @param slave_node: Slave node to use
- * @param spi_node: SPI peripheral node to use
- * @return pointer to new spi_slave structure
- */
-struct spi_slave *spi_setup_slave_fdt(const void *blob, int slave_node,
- int spi_node);
-
-/**
- * spi_base_setup_slave_fdt() - helper function to set up a SPI slace
- *
- * This decodes SPI properties from the slave node to determine the
- * chip select and SPI parameters.
- *
- * @blob: Device tree blob
- * @busnum: Bus number to use
- * @node: Device tree node for the SPI bus
- */
-struct spi_slave *spi_base_setup_slave_fdt(const void *blob, int busnum,
- int node);
-
#ifdef CONFIG_DM_SPI
/**
* @node: Node offset to read from
* @plat: Place to put the decoded information
*/
-int spi_slave_ofdata_to_platdata(const void *blob, int node,
+int spi_slave_ofdata_to_platdata(struct udevice *dev,
struct dm_spi_slave_platdata *plat);
/**