ARM: mach-shmobile: mackerel: Add FSI-AK4643 support
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
index b9528b0..cf3e660 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 @@
},
};
+/* 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 @@
&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 @@
shmobile_setup_console();
}
+#define GPIO_PORT9CR 0xE6051009
+#define GPIO_PORT10CR 0xE605100A
static void __init mackerel_init(void)
{
sh7372_pinmux_init();
@@ -434,6 +500,24 @@
/* 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();