1*83d290c5STom Rini /* SPDX-License-Identifier: GPL-2.0 */ 26639562eSYoshihiro Shimoda /* 36639562eSYoshihiro Shimoda * SH SPI driver 46639562eSYoshihiro Shimoda * 56639562eSYoshihiro Shimoda * Copyright (C) 2011 Renesas Solutions Corp. 66639562eSYoshihiro Shimoda */ 76639562eSYoshihiro Shimoda 86639562eSYoshihiro Shimoda #ifndef __SH_SPI_H__ 96639562eSYoshihiro Shimoda #define __SH_SPI_H__ 106639562eSYoshihiro Shimoda 116639562eSYoshihiro Shimoda #include <spi.h> 126639562eSYoshihiro Shimoda 136639562eSYoshihiro Shimoda struct sh_spi_regs { 146639562eSYoshihiro Shimoda unsigned long tbr_rbr; 156639562eSYoshihiro Shimoda unsigned long resv1; 166639562eSYoshihiro Shimoda unsigned long cr1; 176639562eSYoshihiro Shimoda unsigned long resv2; 186639562eSYoshihiro Shimoda unsigned long cr2; 196639562eSYoshihiro Shimoda unsigned long resv3; 206639562eSYoshihiro Shimoda unsigned long cr3; 216639562eSYoshihiro Shimoda unsigned long resv4; 226639562eSYoshihiro Shimoda unsigned long cr4; 236639562eSYoshihiro Shimoda }; 246639562eSYoshihiro Shimoda 256639562eSYoshihiro Shimoda /* CR1 */ 266639562eSYoshihiro Shimoda #define SH_SPI_TBE 0x80 276639562eSYoshihiro Shimoda #define SH_SPI_TBF 0x40 286639562eSYoshihiro Shimoda #define SH_SPI_RBE 0x20 296639562eSYoshihiro Shimoda #define SH_SPI_RBF 0x10 306639562eSYoshihiro Shimoda #define SH_SPI_PFONRD 0x08 316639562eSYoshihiro Shimoda #define SH_SPI_SSDB 0x04 326639562eSYoshihiro Shimoda #define SH_SPI_SSD 0x02 336639562eSYoshihiro Shimoda #define SH_SPI_SSA 0x01 346639562eSYoshihiro Shimoda 356639562eSYoshihiro Shimoda /* CR2 */ 366639562eSYoshihiro Shimoda #define SH_SPI_RSTF 0x80 376639562eSYoshihiro Shimoda #define SH_SPI_LOOPBK 0x40 386639562eSYoshihiro Shimoda #define SH_SPI_CPOL 0x20 396639562eSYoshihiro Shimoda #define SH_SPI_CPHA 0x10 406639562eSYoshihiro Shimoda #define SH_SPI_L1M0 0x08 416639562eSYoshihiro Shimoda 426639562eSYoshihiro Shimoda /* CR3 */ 436639562eSYoshihiro Shimoda #define SH_SPI_MAX_BYTE 0xFF 446639562eSYoshihiro Shimoda 456639562eSYoshihiro Shimoda /* CR4 */ 466639562eSYoshihiro Shimoda #define SH_SPI_TBEI 0x80 476639562eSYoshihiro Shimoda #define SH_SPI_TBFI 0x40 486639562eSYoshihiro Shimoda #define SH_SPI_RBEI 0x20 496639562eSYoshihiro Shimoda #define SH_SPI_RBFI 0x10 50c1d4ad94SYoshihiro Shimoda #define SH_SPI_SSS1 0x08 516639562eSYoshihiro Shimoda #define SH_SPI_WPABRT 0x04 52c1d4ad94SYoshihiro Shimoda #define SH_SPI_SSS0 0x01 536639562eSYoshihiro Shimoda 546639562eSYoshihiro Shimoda #define SH_SPI_FIFO_SIZE 32 55c1d4ad94SYoshihiro Shimoda #define SH_SPI_NUM_CS 4 566639562eSYoshihiro Shimoda 576639562eSYoshihiro Shimoda struct sh_spi { 586639562eSYoshihiro Shimoda struct spi_slave slave; 596639562eSYoshihiro Shimoda struct sh_spi_regs *regs; 606639562eSYoshihiro Shimoda }; 616639562eSYoshihiro Shimoda to_sh_spi(struct spi_slave * slave)626639562eSYoshihiro Shimodastatic inline struct sh_spi *to_sh_spi(struct spi_slave *slave) 636639562eSYoshihiro Shimoda { 646639562eSYoshihiro Shimoda return container_of(slave, struct sh_spi, slave); 656639562eSYoshihiro Shimoda } 666639562eSYoshihiro Shimoda 676639562eSYoshihiro Shimoda #endif 68