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Merge branch 'u-boot/master' into u-boot-arm/master
[karo-tx-uboot.git] / drivers / spi / davinci_spi.h
1 /*
2  * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
3  *
4  * Register definitions for the DaVinci SPI Controller
5  *
6  * SPDX-License-Identifier:     GPL-2.0+
7  */
8
9 #ifndef _DAVINCI_SPI_H_
10 #define _DAVINCI_SPI_H_
11
12 struct davinci_spi_regs {
13         dv_reg  gcr0;           /* 0x00 */
14         dv_reg  gcr1;           /* 0x04 */
15         dv_reg  int0;           /* 0x08 */
16         dv_reg  lvl;            /* 0x0c */
17         dv_reg  flg;            /* 0x10 */
18         dv_reg  pc0;            /* 0x14 */
19         dv_reg  pc1;            /* 0x18 */
20         dv_reg  pc2;            /* 0x1c */
21         dv_reg  pc3;            /* 0x20 */
22         dv_reg  pc4;            /* 0x24 */
23         dv_reg  pc5;            /* 0x28 */
24         dv_reg  rsvd[3];
25         dv_reg  dat0;           /* 0x38 */
26         dv_reg  dat1;           /* 0x3c */
27         dv_reg  buf;            /* 0x40 */
28         dv_reg  emu;            /* 0x44 */
29         dv_reg  delay;          /* 0x48 */
30         dv_reg  def;            /* 0x4c */
31         dv_reg  fmt0;           /* 0x50 */
32         dv_reg  fmt1;           /* 0x54 */
33         dv_reg  fmt2;           /* 0x58 */
34         dv_reg  fmt3;           /* 0x5c */
35         dv_reg  intvec0;        /* 0x60 */
36         dv_reg  intvec1;        /* 0x64 */
37 };
38
39 #define BIT(x)                  (1 << (x))
40
41 /* SPIGCR0 */
42 #define SPIGCR0_SPIENA_MASK     0x1
43 #define SPIGCR0_SPIRST_MASK     0x0
44
45 /* SPIGCR0 */
46 #define SPIGCR1_CLKMOD_MASK     BIT(1)
47 #define SPIGCR1_MASTER_MASK     BIT(0)
48 #define SPIGCR1_SPIENA_MASK     BIT(24)
49
50 /* SPIPC0 */
51 #define SPIPC0_DIFUN_MASK       BIT(11)         /* SIMO */
52 #define SPIPC0_DOFUN_MASK       BIT(10)         /* SOMI */
53 #define SPIPC0_CLKFUN_MASK      BIT(9)          /* CLK */
54 #define SPIPC0_EN0FUN_MASK      BIT(0)
55
56 /* SPIFMT0 */
57 #define SPIFMT_SHIFTDIR_SHIFT   20
58 #define SPIFMT_POLARITY_SHIFT   17
59 #define SPIFMT_PHASE_SHIFT      16
60 #define SPIFMT_PRESCALE_SHIFT   8
61
62 /* SPIDAT1 */
63 #define SPIDAT1_CSHOLD_SHIFT    28
64 #define SPIDAT1_CSNR_SHIFT      16
65
66 /* SPIDELAY */
67 #define SPI_C2TDELAY_SHIFT      24
68 #define SPI_T2CDELAY_SHIFT      16
69
70 /* SPIBUF */
71 #define SPIBUF_RXEMPTY_MASK     BIT(31)
72 #define SPIBUF_TXFULL_MASK      BIT(29)
73
74 /* SPIDEF */
75 #define SPIDEF_CSDEF0_MASK      BIT(0)
76
77 struct davinci_spi_slave {
78         struct spi_slave slave;
79         struct davinci_spi_regs *regs;
80         unsigned int freq;
81 };
82
83 static inline struct davinci_spi_slave *to_davinci_spi(struct spi_slave *slave)
84 {
85         return container_of(slave, struct davinci_spi_slave, slave);
86 }
87
88 #endif /* _DAVINCI_SPI_H_ */