spi.c File Reference

#include <device/mmio.h>
#include <assert.h>
#include <spi_flash.h>
#include <soc/addressmap.h>
#include <soc/flash_controller.h>
#include <soc/gpio.h>
#include <soc/spi.h>

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Data Structures
struct	pad_func

Macros
#define	PAD_FUNC(name, func)   {PAD_##name##_ID, PAD_##name##_FUNC_##func}
#define	PAD_FUNC_GPIO(name)   {PAD_##name##_ID, 0}

Functions
void	mtk_spi_set_gpio_pinmux (unsigned int bus, enum spi_pad_mask pad_select)

Variables
struct mtk_spi_bus	spi_bus [SPI_BUS_NUMBER]
static const struct pad_func	pad0_funcs [SPI_BUS_NUMBER][4]
static const struct pad_func	bus1_pad1_funcs [4]
const struct spi_ctrlr_buses	spi_ctrlr_bus_map []
const size_t	spi_ctrlr_bus_map_count = ARRAY_SIZE(spi_ctrlr_bus_map)

Macro Definition Documentation

PAD_FUNC

#define PAD_FUNC	(		name,
			func
	)		{PAD_##name##_ID, PAD_##name##_FUNC_##func}

Definition at line 43 of file spi.c.

PAD_FUNC_GPIO

#define PAD_FUNC_GPIO

(

name

)

{PAD_##name##_ID, 0}

Definition at line 44 of file spi.c.

Function Documentation

mtk_spi_set_gpio_pinmux()

void mtk_spi_set_gpio_pinmux	(	unsigned int	bus,
		enum spi_pad_mask	pad_select
	)

Definition at line 92 of file spi.c.

References assert, bus1_pad1_funcs, pad_func::func, gpio_set_mode(), pad0_funcs, pad_func::pin_id, SPI_BUS_NUMBER, SPI_PAD0_MASK, and SPI_PAD1_MASK.

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Variable Documentation

bus1_pad1_funcs

const struct pad_func bus1_pad1_funcs[4]

static

Initial value:

= {
        PAD_FUNC(EINT7, SPI1_B_MI),
        PAD_FUNC_GPIO(EINT8),
        PAD_FUNC(EINT9, SPI1_B_MO),
        PAD_FUNC(EINT10, SPI1_B_CLK),
}

Definition at line 1 of file spi.c.

Referenced by mtk_spi_set_gpio_pinmux().

pad0_funcs

const struct pad_func pad0_funcs[SPI_BUS_NUMBER][4]

static

Definition at line 1 of file spi.c.

Referenced by mtk_spi_set_gpio_pinmux().

spi_bus

struct mtk_spi_bus spi_bus[SPI_BUS_NUMBER]

Initial value:

= {
        {
                .regs = (void *)SPI0_BASE,
                .cs_gpio = GPIO(SPI_CSB),
        },
        {
                .regs = (void *)SPI1_BASE,
                .cs_gpio = GPIO(SPI1_CSB),
        },
        {
                .regs = (void *)SPI2_BASE,
                .cs_gpio = GPIO(EINT0),
        },
        {
                .regs = (void *)SPI3_BASE,
                .cs_gpio = GPIO(DPI_D9),
        },
        {
                .regs = (void *)SPI4_BASE,
                .cs_gpio = GPIO(DPI_D5),
        },
        {
                .regs = (void *)SPI5_BASE,
                .cs_gpio = GPIO(DPI_D1),
        }
}

Definition at line 1 of file spi.c.

spi_ctrlr_bus_map

const struct spi_ctrlr_buses spi_ctrlr_bus_map[]

Initial value:

= {
        {
                .ctrlr = &spi_ctrlr,
                .bus_start = 0,
                .bus_end = SPI_BUS_NUMBER - 1,
        },
}

Definition at line 92 of file spi.c.

spi_ctrlr_bus_map_count

const size_t spi_ctrlr_bus_map_count = ARRAY_SIZE(spi_ctrlr_bus_map)

Definition at line 114 of file spi.c.