| From 4e13b5b91f019b4b592a99a1e12a18b65749b7a7 Mon Sep 17 00:00:00 2001 |
| From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> |
| Date: Tue, 11 Jun 2013 19:11:41 -0700 |
| Subject: 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> |
| (cherry picked from commit c06a164ce2f0f8791ac566a44eaf1d227a5b6b5b) |
| Signed-off-by: Simon Horman <horms+renesas@verge.net.au> |
| --- |
| arch/arm/mach-shmobile/board-bockw.c | 36 ++++++++++++++++++++++++++++++++++++ |
| 1 file changed, 36 insertions(+) |
| |
| diff --git a/arch/arm/mach-shmobile/board-bockw.c b/arch/arm/mach-shmobile/board-bockw.c |
| index e1a988c4..d203b3eb 100644 |
| --- a/arch/arm/mach-shmobile/board-bockw.c |
| +++ b/arch/arm/mach-shmobile/board-bockw.c |
| @@ -20,11 +20,14 @@ |
| |
| #include <linux/mfd/tmio.h> |
| #include <linux/mmc/host.h> |
| +#include <linux/mtd/partitions.h> |
| #include <linux/pinctrl/machine.h> |
| #include <linux/platform_device.h> |
| #include <linux/regulator/fixed.h> |
| #include <linux/regulator/machine.h> |
| #include <linux/smsc911x.h> |
| +#include <linux/spi/spi.h> |
| +#include <linux/spi/flash.h> |
| #include <mach/common.h> |
| #include <mach/irqs.h> |
| #include <mach/r8a7778.h> |
| @@ -86,10 +89,40 @@ static struct i2c_board_info i2c0_devices[] = { |
| }, |
| }; |
| |
| +/* HSPI*/ |
| +static struct mtd_partition m25p80_spi_flash_partitions[] = { |
| + { |
| + .name = "data(spi)", |
| + .size = 0x0100000, |
| + .offset = 0, |
| + }, |
| +}; |
| + |
| +static struct flash_platform_data spi_flash_data = { |
| + .name = "m25p80", |
| + .type = "s25fl008k", |
| + .parts = m25p80_spi_flash_partitions, |
| + .nr_parts = ARRAY_SIZE(m25p80_spi_flash_partitions), |
| +}; |
| + |
| +static struct spi_board_info spi_board_info[] __initdata = { |
| + { |
| + .modalias = "m25p80", |
| + .max_speed_hz = 104000000, |
| + .chip_select = 0, |
| + .bus_num = 0, |
| + .mode = SPI_MODE_0, |
| + .platform_data = &spi_flash_data, |
| + }, |
| +}; |
| + |
| static const struct pinctrl_map bockw_pinctrl_map[] = { |
| /* Ether */ |
| PIN_MAP_MUX_GROUP_DEFAULT("sh-eth", "pfc-r8a7778", |
| "ether_rmii", "ether"), |
| + /* HSPI0 */ |
| + PIN_MAP_MUX_GROUP_DEFAULT("sh-hspi.0", "pfc-r8a7778", |
| + "hspi0_a", "hspi0"), |
| /* SCIF0 */ |
| PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a7778", |
| "scif0_data_a", "scif0"), |
| @@ -118,9 +151,12 @@ static void __init bockw_init(void) |
| r8a7778_add_usb_phy_device(&usb_phy_platform_data); |
| r8a7778_add_ether_device(ðer_platform_data); |
| r8a7778_add_i2c_device(0); |
| + r8a7778_add_hspi_device(0); |
| |
| i2c_register_board_info(0, i2c0_devices, |
| ARRAY_SIZE(i2c0_devices)); |
| + spi_register_board_info(spi_board_info, |
| + ARRAY_SIZE(spi_board_info)); |
| pinctrl_register_mappings(bockw_pinctrl_map, |
| ARRAY_SIZE(bockw_pinctrl_map)); |
| r8a7778_pinmux_init(); |
| -- |
| 1.8.4.3.gca3854a |
| |