diff options
Diffstat (limited to 'arch/arm/include/asm/arch-exynos/spi.h')
-rw-r--r-- | arch/arm/include/asm/arch-exynos/spi.h | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/arch/arm/include/asm/arch-exynos/spi.h b/arch/arm/include/asm/arch-exynos/spi.h deleted file mode 100644 index 0ba931b7e3..0000000000 --- a/arch/arm/include/asm/arch-exynos/spi.h +++ /dev/null @@ -1,76 +0,0 @@ -/* - * (C) Copyright 2012 SAMSUNG Electronics - * Padmavathi Venna <padma.v@samsung.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __ASM_ARCH_EXYNOS_COMMON_SPI_H_ -#define __ASM_ARCH_EXYNOS_COMMON_SPI_H_ - -#ifndef __ASSEMBLY__ - -/* SPI peripheral register map; padded to 64KB */ -struct exynos_spi { - unsigned int ch_cfg; /* 0x00 */ - unsigned char reserved0[4]; - unsigned int mode_cfg; /* 0x08 */ - unsigned int cs_reg; /* 0x0c */ - unsigned char reserved1[4]; - unsigned int spi_sts; /* 0x14 */ - unsigned int tx_data; /* 0x18 */ - unsigned int rx_data; /* 0x1c */ - unsigned int pkt_cnt; /* 0x20 */ - unsigned char reserved2[4]; - unsigned int swap_cfg; /* 0x28 */ - unsigned int fb_clk; /* 0x2c */ - unsigned char padding[0xffd0]; -}; - -#define EXYNOS_SPI_MAX_FREQ 50000000 - -#define SPI_TIMEOUT_MS 10 -#define SF_READ_DATA_CMD 0x3 - -/* SPI_CHCFG */ -#define SPI_CH_HS_EN (1 << 6) -#define SPI_CH_RST (1 << 5) -#define SPI_SLAVE_MODE (1 << 4) -#define SPI_CH_CPOL_L (1 << 3) -#define SPI_CH_CPHA_B (1 << 2) -#define SPI_RX_CH_ON (1 << 1) -#define SPI_TX_CH_ON (1 << 0) - -/* SPI_MODECFG */ -#define SPI_MODE_CH_WIDTH_WORD (0x2 << 29) -#define SPI_MODE_BUS_WIDTH_WORD (0x2 << 17) - -/* SPI_CSREG */ -#define SPI_SLAVE_SIG_INACT (1 << 0) - -/* SPI_STS */ -#define SPI_ST_TX_DONE (1 << 25) -#define SPI_FIFO_LVL_MASK 0x1ff -#define SPI_TX_LVL_OFFSET 6 -#define SPI_RX_LVL_OFFSET 15 - -/* Feedback Delay */ -#define SPI_CLK_BYPASS (0 << 0) -#define SPI_FB_DELAY_90 (1 << 0) -#define SPI_FB_DELAY_180 (2 << 0) -#define SPI_FB_DELAY_270 (3 << 0) - -/* Packet Count */ -#define SPI_PACKET_CNT_EN (1 << 16) - -/* Swap config */ -#define SPI_TX_SWAP_EN (1 << 0) -#define SPI_TX_BYTE_SWAP (1 << 2) -#define SPI_TX_HWORD_SWAP (1 << 3) -#define SPI_TX_BYTE_SWAP (1 << 2) -#define SPI_RX_SWAP_EN (1 << 4) -#define SPI_RX_BYTE_SWAP (1 << 6) -#define SPI_RX_HWORD_SWAP (1 << 7) - -#endif /* __ASSEMBLY__ */ -#endif |