diff options
| author | Faiz Abbas <faiz_abbas@ti.com> | 2020-09-14 12:11:15 +0530 |
|---|---|---|
| committer | Lokesh Vutla <lokeshvutla@ti.com> | 2020-09-15 18:51:53 +0530 |
| commit | 41cf3cb39ddbb8a0b892781388e1054653d33ed1 (patch) | |
| tree | cacd563c078872cfd3be0fe46f5473793b5e87e0 /drivers/spi/omap3_spi.c | |
| parent | 280af011563574844fa3c20acd2cbbd7ee669da8 (diff) | |
| download | u-boot-41cf3cb39ddbb8a0b892781388e1054653d33ed1.tar.gz | |
arm: mach-omap2: am33xx: Add device structure for spi
Add platform data and a device structure for the spi device
present on am335x-icev2. This requires moving all omap3_spi
platform data structures and symbols to an omap3_spi.h so that
the board file can access them.
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Diffstat (limited to 'drivers/spi/omap3_spi.c')
| -rw-r--r-- | drivers/spi/omap3_spi.c | 70 |
1 files changed, 1 insertions, 69 deletions
diff --git a/drivers/spi/omap3_spi.c b/drivers/spi/omap3_spi.c index fbf9575851..fb1cf360fc 100644 --- a/drivers/spi/omap3_spi.c +++ b/drivers/spi/omap3_spi.c @@ -22,82 +22,14 @@ #include <malloc.h> #include <asm/io.h> #include <linux/bitops.h> +#include <omap3_spi.h> DECLARE_GLOBAL_DATA_PTR; -#define OMAP4_MCSPI_REG_OFFSET 0x100 - struct omap2_mcspi_platform_config { unsigned int regs_offset; }; -/* per-register bitmasks */ -#define OMAP3_MCSPI_SYSCONFIG_SMARTIDLE (2 << 3) -#define OMAP3_MCSPI_SYSCONFIG_ENAWAKEUP BIT(2) -#define OMAP3_MCSPI_SYSCONFIG_AUTOIDLE BIT(0) -#define OMAP3_MCSPI_SYSCONFIG_SOFTRESET BIT(1) - -#define OMAP3_MCSPI_SYSSTATUS_RESETDONE BIT(0) - -#define OMAP3_MCSPI_MODULCTRL_SINGLE BIT(0) -#define OMAP3_MCSPI_MODULCTRL_MS BIT(2) -#define OMAP3_MCSPI_MODULCTRL_STEST BIT(3) - -#define OMAP3_MCSPI_CHCONF_PHA BIT(0) -#define OMAP3_MCSPI_CHCONF_POL BIT(1) -#define OMAP3_MCSPI_CHCONF_CLKD_MASK GENMASK(5, 2) -#define OMAP3_MCSPI_CHCONF_EPOL BIT(6) -#define OMAP3_MCSPI_CHCONF_WL_MASK GENMASK(11, 7) -#define OMAP3_MCSPI_CHCONF_TRM_RX_ONLY BIT(12) -#define OMAP3_MCSPI_CHCONF_TRM_TX_ONLY BIT(13) -#define OMAP3_MCSPI_CHCONF_TRM_MASK GENMASK(13, 12) -#define OMAP3_MCSPI_CHCONF_DMAW BIT(14) -#define OMAP3_MCSPI_CHCONF_DMAR BIT(15) -#define OMAP3_MCSPI_CHCONF_DPE0 BIT(16) -#define OMAP3_MCSPI_CHCONF_DPE1 BIT(17) -#define OMAP3_MCSPI_CHCONF_IS BIT(18) -#define OMAP3_MCSPI_CHCONF_TURBO BIT(19) -#define OMAP3_MCSPI_CHCONF_FORCE BIT(20) - -#define OMAP3_MCSPI_CHSTAT_RXS BIT(0) -#define OMAP3_MCSPI_CHSTAT_TXS BIT(1) -#define OMAP3_MCSPI_CHSTAT_EOT BIT(2) - -#define OMAP3_MCSPI_CHCTRL_EN BIT(0) -#define OMAP3_MCSPI_CHCTRL_DIS (0 << 0) - -#define OMAP3_MCSPI_WAKEUPENABLE_WKEN BIT(0) -#define MCSPI_PINDIR_D0_IN_D1_OUT 0 -#define MCSPI_PINDIR_D0_OUT_D1_IN 1 - -#define OMAP3_MCSPI_MAX_FREQ 48000000 -#define SPI_WAIT_TIMEOUT 10 - -/* OMAP3 McSPI registers */ -struct mcspi_channel { - unsigned int chconf; /* 0x2C, 0x40, 0x54, 0x68 */ - unsigned int chstat; /* 0x30, 0x44, 0x58, 0x6C */ - unsigned int chctrl; /* 0x34, 0x48, 0x5C, 0x70 */ - unsigned int tx; /* 0x38, 0x4C, 0x60, 0x74 */ - unsigned int rx; /* 0x3C, 0x50, 0x64, 0x78 */ -}; - -struct mcspi { - unsigned char res1[0x10]; - unsigned int sysconfig; /* 0x10 */ - unsigned int sysstatus; /* 0x14 */ - unsigned int irqstatus; /* 0x18 */ - unsigned int irqenable; /* 0x1C */ - unsigned int wakeupenable; /* 0x20 */ - unsigned int syst; /* 0x24 */ - unsigned int modulctrl; /* 0x28 */ - struct mcspi_channel channel[4]; - /* channel0: 0x2C - 0x3C, bus 0 & 1 & 2 & 3 */ - /* channel1: 0x40 - 0x50, bus 0 & 1 */ - /* channel2: 0x54 - 0x64, bus 0 & 1 */ - /* channel3: 0x68 - 0x78, bus 0 */ -}; - struct omap3_spi_priv { struct mcspi *regs; unsigned int cs; |