ARM: mach-shmobile: mackerel: Add FSI-AK4643 support (1a44d72a) · Commits · 戴 / test

arch/arm/mach-shmobile/board-mackerel.c

+84 −0

Original line number	Diff line number	Diff line
		@@ -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();

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