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ARM: mach-shmobile: mackerel: Add FSI-AK4643 support

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Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Kuninori Morimoto 2010-12-01 00:31:46 +00:00 committed by Paul Mundt
parent d44deb35c2
commit 1a44d72a40
1 changed files with 84 additions and 0 deletions
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84
arch/arm/mach-shmobile/board-mackerel.c
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@ -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();