1 /* SPDX-License-Identifier: GPL-2.0+ */
5 /* per-register bitmasks */
6 #define OMAP3_MCSPI_SYSCONFIG_SMARTIDLE (2 << 3)
7 #define OMAP3_MCSPI_SYSCONFIG_ENAWAKEUP BIT(2)
8 #define OMAP3_MCSPI_SYSCONFIG_AUTOIDLE BIT(0)
9 #define OMAP3_MCSPI_SYSCONFIG_SOFTRESET BIT(1)
11 #define OMAP3_MCSPI_SYSSTATUS_RESETDONE BIT(0)
13 #define OMAP3_MCSPI_MODULCTRL_SINGLE BIT(0)
14 #define OMAP3_MCSPI_MODULCTRL_MS BIT(2)
15 #define OMAP3_MCSPI_MODULCTRL_STEST BIT(3)
17 #define OMAP3_MCSPI_CHCONF_PHA BIT(0)
18 #define OMAP3_MCSPI_CHCONF_POL BIT(1)
19 #define OMAP3_MCSPI_CHCONF_CLKD_MASK GENMASK(5, 2)
20 #define OMAP3_MCSPI_CHCONF_EPOL BIT(6)
21 #define OMAP3_MCSPI_CHCONF_WL_MASK GENMASK(11, 7)
22 #define OMAP3_MCSPI_CHCONF_TRM_RX_ONLY BIT(12)
23 #define OMAP3_MCSPI_CHCONF_TRM_TX_ONLY BIT(13)
24 #define OMAP3_MCSPI_CHCONF_TRM_MASK GENMASK(13, 12)
25 #define OMAP3_MCSPI_CHCONF_DMAW BIT(14)
26 #define OMAP3_MCSPI_CHCONF_DMAR BIT(15)
27 #define OMAP3_MCSPI_CHCONF_DPE0 BIT(16)
28 #define OMAP3_MCSPI_CHCONF_DPE1 BIT(17)
29 #define OMAP3_MCSPI_CHCONF_IS BIT(18)
30 #define OMAP3_MCSPI_CHCONF_TURBO BIT(19)
31 #define OMAP3_MCSPI_CHCONF_FORCE BIT(20)
33 #define OMAP3_MCSPI_CHSTAT_RXS BIT(0)
34 #define OMAP3_MCSPI_CHSTAT_TXS BIT(1)
35 #define OMAP3_MCSPI_CHSTAT_EOT BIT(2)
37 #define OMAP3_MCSPI_CHCTRL_EN BIT(0)
38 #define OMAP3_MCSPI_CHCTRL_DIS (0 << 0)
40 #define OMAP3_MCSPI_WAKEUPENABLE_WKEN BIT(0)
41 #define MCSPI_PINDIR_D0_IN_D1_OUT 0
42 #define MCSPI_PINDIR_D0_OUT_D1_IN 1
44 #define OMAP3_MCSPI_MAX_FREQ 48000000
45 #define SPI_WAIT_TIMEOUT 10
47 #define OMAP4_MCSPI_REG_OFFSET 0x100
49 /* OMAP3 McSPI registers */
50 struct mcspi_channel {
51 unsigned int chconf; /* 0x2C, 0x40, 0x54, 0x68 */
52 unsigned int chstat; /* 0x30, 0x44, 0x58, 0x6C */
53 unsigned int chctrl; /* 0x34, 0x48, 0x5C, 0x70 */
54 unsigned int tx; /* 0x38, 0x4C, 0x60, 0x74 */
55 unsigned int rx; /* 0x3C, 0x50, 0x64, 0x78 */
59 unsigned char res1[0x10];
60 unsigned int sysconfig; /* 0x10 */
61 unsigned int sysstatus; /* 0x14 */
62 unsigned int irqstatus; /* 0x18 */
63 unsigned int irqenable; /* 0x1C */
64 unsigned int wakeupenable; /* 0x20 */
65 unsigned int syst; /* 0x24 */
66 unsigned int modulctrl; /* 0x28 */
67 struct mcspi_channel channel[4];
68 /* channel0: 0x2C - 0x3C, bus 0 & 1 & 2 & 3 */
69 /* channel1: 0x40 - 0x50, bus 0 & 1 */
70 /* channel2: 0x54 - 0x64, bus 0 & 1 */
71 /* channel3: 0x68 - 0x78, bus 0 */
74 struct omap3_spi_plat {
76 unsigned int pin_dir:1;