diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-shmobile/board-mackerel.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c index b9528b0211dc..cf3e660d8e70 100644 --- a/arch/arm/mach-shmobile/board-mackerel.c +++ b/arch/arm/mach-shmobile/board-mackerel.c @@ -29,15 +29,19 @@ #include <linux/gpio.h> #include <linux/input.h> #include <linux/io.h> +#include <linux/i2c.h> #include <linux/leds.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/mtd/physmap.h> #include <linux/smsc911x.h> +#include <linux/sh_intc.h> #include <linux/usb/r8a66597.h> #include <video/sh_mobile_lcdc.h> +#include <sound/sh_fsi.h> + #include <mach/common.h> #include <mach/sh7372.h> @@ -133,6 +137,21 @@ * CN31 is used as Host in Linux. */ +/* + * FIXME !! + * + * gpio_no_direction + * are quick_hack. + * + * current gpio frame work doesn't have + * the method to control only pull up/down/free. + * this function should be replaced by correct gpio function + */ +static void __init gpio_no_direction(u32 addr) +{ + __raw_writeb(0x00, addr); +} + /* MTD */ static struct mtd_partition nor_flash_partitions[] = { { @@ -347,6 +366,42 @@ static struct platform_device leds_device = { }, }; +/* FSI */ +#define IRQ_FSI evt2irq(0x1840) +static struct sh_fsi_platform_info fsi_info = { + .porta_flags = SH_FSI_BRS_INV | + SH_FSI_OUT_SLAVE_MODE | + SH_FSI_IN_SLAVE_MODE | + SH_FSI_OFMT(PCM) | + SH_FSI_IFMT(PCM), +}; + +static struct resource fsi_resources[] = { + [0] = { + .name = "FSI", + .start = 0xFE3C0000, + .end = 0xFE3C0400 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_FSI, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device fsi_device = { + .name = "sh_fsi2", + .id = -1, + .num_resources = ARRAY_SIZE(fsi_resources), + .resource = fsi_resources, + .dev = { + .platform_data = &fsi_info, + }, +}; + +static struct platform_device fsi_ak4643_device = { + .name = "sh_fsi2_a_ak4643", +}; static struct platform_device *mackerel_devices[] __initdata = { &nor_flash_device, @@ -354,6 +409,15 @@ static struct platform_device *mackerel_devices[] __initdata = { &lcdc_device, &usb1_host_device, &leds_device, + &fsi_device, + &fsi_ak4643_device, +}; + +/* I2C */ +static struct i2c_board_info i2c0_devices[] = { + { + I2C_BOARD_INFO("ak4643", 0x13), + }, }; static struct map_desc mackerel_io_desc[] __initdata = { @@ -377,6 +441,8 @@ static void __init mackerel_map_io(void) shmobile_setup_console(); } +#define GPIO_PORT9CR 0xE6051009 +#define GPIO_PORT10CR 0xE605100A static void __init mackerel_init(void) { sh7372_pinmux_init(); @@ -434,6 +500,24 @@ static void __init mackerel_init(void) /* setup USB phy */ __raw_writew(0x8a0a, 0xE6058130); /* USBCR2 */ + /* enable FSI2 port A (ak4643) */ + gpio_request(GPIO_FN_FSIAIBT, NULL); + gpio_request(GPIO_FN_FSIAILR, NULL); + gpio_request(GPIO_FN_FSIAISLD, NULL); + gpio_request(GPIO_FN_FSIAOSLD, NULL); + gpio_request(GPIO_PORT161, NULL); + gpio_direction_output(GPIO_PORT161, 0); /* slave */ + + gpio_request(GPIO_PORT9, NULL); + gpio_request(GPIO_PORT10, NULL); + gpio_no_direction(GPIO_PORT9CR); /* FSIAOBT needs no direction */ + gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */ + + intc_set_priority(IRQ_FSI, 3); /* irq priority FSI(3) > SMSC911X(2) */ + + + i2c_register_board_info(0, i2c0_devices, + ARRAY_SIZE(i2c0_devices)); sh7372_add_standard_devices(); |