ARM: shmobile: bockw: add SPI FLASH support
This patch enables Spansion S25FL008K chip on HSPI0 Signed-off-by: Yusuke Goda <yusuke.goda.sx@renesas.com> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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@ -20,11 +20,14 @@
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#include <linux/mfd/tmio.h>
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#include <linux/mmc/host.h>
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#include <linux/mtd/partitions.h>
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#include <linux/pinctrl/machine.h>
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#include <linux/platform_device.h>
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#include <linux/regulator/fixed.h>
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#include <linux/regulator/machine.h>
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#include <linux/smsc911x.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/flash.h>
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#include <mach/common.h>
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#include <mach/irqs.h>
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#include <mach/r8a7778.h>
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@ -84,10 +87,40 @@ static struct i2c_board_info i2c0_devices[] = {
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},
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};
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/* HSPI*/
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static struct mtd_partition m25p80_spi_flash_partitions[] = {
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{
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.name = "data(spi)",
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.size = 0x0100000,
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.offset = 0,
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},
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};
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static struct flash_platform_data spi_flash_data = {
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.name = "m25p80",
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.type = "s25fl008k",
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.parts = m25p80_spi_flash_partitions,
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.nr_parts = ARRAY_SIZE(m25p80_spi_flash_partitions),
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};
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static struct spi_board_info spi_board_info[] __initdata = {
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{
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.modalias = "m25p80",
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.max_speed_hz = 104000000,
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.chip_select = 0,
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.bus_num = 0,
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.mode = SPI_MODE_0,
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.platform_data = &spi_flash_data,
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},
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};
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static const struct pinctrl_map bockw_pinctrl_map[] = {
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/* Ether */
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PIN_MAP_MUX_GROUP_DEFAULT("sh-eth", "pfc-r8a7778",
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"ether_rmii", "ether"),
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/* HSPI0 */
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PIN_MAP_MUX_GROUP_DEFAULT("sh-hspi.0", "pfc-r8a7778",
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"hspi0_a", "hspi0"),
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/* SCIF0 */
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PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a7778",
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"scif0_data_a", "scif0"),
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@ -111,9 +144,12 @@ static void __init bockw_init(void)
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r8a7778_add_standard_devices();
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r8a7778_add_ether_device(ðer_platform_data);
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r8a7778_add_i2c_device(0);
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r8a7778_add_hspi_device(0);
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i2c_register_board_info(0, i2c0_devices,
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ARRAY_SIZE(i2c0_devices));
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spi_register_board_info(spi_board_info,
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ARRAY_SIZE(spi_board_info));
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pinctrl_register_mappings(bockw_pinctrl_map,
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ARRAY_SIZE(bockw_pinctrl_map));
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r8a7778_pinmux_init();
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