/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ /* * Copyright (c) 2019 Amlogic, Inc. All rights reserved. */ #ifndef __SPIFC_H__ #define __SPIFC_H__ /* * @reg: controller registers base address. * @mem_map: memory_mapped for read operations. * @core: clk source, usually clk_81, 166M max. * @speed: spi bus frequency, and you should know * we use clk_81 as the clk source now, max * speed is 166M. * @io_num: max io number, SIO0 SIO1 SIO2 SIO3. * @max_cs: the max slave device number, we support * spi-nor, spi-nand now. * @cs_gpios: gpio array, we use the cs pin as * gpio, cause the spifc controller * can not hold enough time sometimes. */ struct spifc_platdata { ulong reg; ulong mem_map; u32 speed; u32 mode; u32 io_num; u32 max_cs; }; /* this is cs pin number, not slave device cs number */ /* #define SPIFC_MAX_CS 1 */ #define SPIFC_BUS_NUM 0 /* slave device cs number */ #define SPIFC_SNOR_CS 0 #define SPIFC_SNAND_CS 1 #endif /* __SPIFC_H__ */