ARM: shmobile: genmai legacy: Add RSPI support

#include <linux/kernel.h>

#include <linux/platform_device.h>

#include <linux/spi/rspi.h>

#include <linux/spi/spi.h>

#include <mach/common.h>

#include <mach/irqs.h>

#include <mach/r7s72100.h>

#include <asm/mach-types.h>

#include <asm/mach/arch.h>

/* RSPI */

#define RSPI_RESOURCE(idx, baseaddr, irq)				\

static const struct resource rspi##idx##_resources[] __initconst = {	\

	DEFINE_RES_MEM(baseaddr, 0x24),					\

	DEFINE_RES_IRQ_NAMED(irq, "error"),				\

	DEFINE_RES_IRQ_NAMED(irq + 1, "rx"),				\

	DEFINE_RES_IRQ_NAMED(irq + 2, "tx"),				\

}

RSPI_RESOURCE(0, 0xe800c800, gic_iid(270));

RSPI_RESOURCE(1, 0xe800d000, gic_iid(273));

RSPI_RESOURCE(2, 0xe800d800, gic_iid(276));

RSPI_RESOURCE(3, 0xe800e000, gic_iid(279));

RSPI_RESOURCE(4, 0xe800e800, gic_iid(282));

static const struct rspi_plat_data rspi_pdata __initconst = {

	.num_chipselect	= 1,

};

#define r7s72100_register_rspi(idx)					   \

	platform_device_register_resndata(&platform_bus, "rspi-rz", idx,   \

					rspi##idx##_resources,		   \

					ARRAY_SIZE(rspi##idx##_resources), \

					&rspi_pdata, sizeof(rspi_pdata))

static const struct spi_board_info spi_info[] __initconst = {

	{

		.modalias               = "wm8978",

		.max_speed_hz           = 5000000,

		.bus_num                = 4,

		.chip_select            = 0,

	},

};

static void __init genmai_add_standard_devices(void)

{

	r7s72100_clock_init();

	r7s72100_add_dt_devices();

	r7s72100_register_rspi(0);

	r7s72100_register_rspi(1);

	r7s72100_register_rspi(2);

	r7s72100_register_rspi(3);

	r7s72100_register_rspi(4);

	spi_register_board_info(spi_info, ARRAY_SIZE(spi_info));

}

static const char * const genmai_boards_compat_dt[] __initconst = {