diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index fe78dba442f9..a641e26f8fdf 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -42,6 +42,9 @@
 #include <media/i2c/mt9t112.h>
 #include <media/i2c/tw9910.h>
 
+#include <sound/sh_fsi.h>
+#include <sound/simple_card.h>
+
 #include <video/sh_mobile_lcdc.h>
 
 /*
@@ -69,6 +72,16 @@
  *                                  OFF-ON : MMC
  */
 
+/*
+ * FSI - DA7210
+ *
+ * it needs amixer settings for playing
+ *
+ * amixer set 'HeadPhone' 80
+ * amixer set 'Out Mixer Left DAC Left' on
+ * amixer set 'Out Mixer Right DAC Right' on
+ */
+
 #define CEU_BUFFER_MEMORY_SIZE		(4 << 20)
 static phys_addr_t ceu0_dma_membase;
 static phys_addr_t ceu1_dma_membase;
@@ -507,6 +520,9 @@ static struct mt9t112_platform_data mt9t112_1_pdata = {
 };
 
 static struct i2c_board_info i2c0_devices[] = {
+	{
+		I2C_BOARD_INFO("da7210", 0x1a),
+	},
 	{
 		I2C_BOARD_INFO("tw9910", 0x45),
 		.platform_data = &tw9910_info,
@@ -845,6 +861,51 @@ static struct gpiod_lookup_table msiof_gpio_table = {
 
 #endif
 
+/* FSI */
+static struct resource fsi_resources[] = {
+	[0] = {
+		.name	= "FSI",
+		.start	= 0xFE3C0000,
+		.end	= 0xFE3C021d,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = evt2irq(0xf80),
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device fsi_device = {
+	.name		= "sh_fsi",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(fsi_resources),
+	.resource	= fsi_resources,
+};
+
+static struct simple_util_info fsi_da7210_info = {
+	.name		= "DA7210",
+	.card		= "FSIB-DA7210",
+	.codec		= "da7210.0-001a",
+	.platform	= "sh_fsi.0",
+	.daifmt		= SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBP_CFP,
+	.cpu_dai = {
+		.name	= "fsib-dai",
+	},
+	.codec_dai = {
+		.name	= "da7210-hifi",
+	},
+};
+
+static struct platform_device fsi_da7210_device = {
+	.name	= "asoc-simple-card",
+	.dev	= {
+		.platform_data	= &fsi_da7210_info,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+		.dma_mask = &fsi_da7210_device.dev.coherent_dma_mask,
+	},
+};
+
+
 /* IrDA */
 static struct resource irda_resources[] = {
 	[0] = {
@@ -970,6 +1031,8 @@ static struct platform_device *ecovec_devices[] __initdata = {
 #else
 	&msiof0_device,
 #endif
+	&fsi_device,
+	&fsi_da7210_device,
 	&irda_device,
 	&vou_device,
 #if defined(CONFIG_MMC_SH_MMCIF) || defined(CONFIG_MMC_SH_MMCIF_MODULE)
@@ -1294,6 +1357,33 @@ static int __init arch_setup(void)
 		__raw_writew((__raw_readw(IODRIVEA) & ~0x3000) | 0x2000,
 			     IODRIVEA);
 
+	/* enable FSI */
+	gpio_request(GPIO_FN_FSIMCKB,    NULL);
+	gpio_request(GPIO_FN_FSIIBSD,    NULL);
+	gpio_request(GPIO_FN_FSIOBSD,    NULL);
+	gpio_request(GPIO_FN_FSIIBBCK,   NULL);
+	gpio_request(GPIO_FN_FSIIBLRCK,  NULL);
+	gpio_request(GPIO_FN_FSIOBBCK,   NULL);
+	gpio_request(GPIO_FN_FSIOBLRCK,  NULL);
+	gpio_request(GPIO_FN_CLKAUDIOBO, NULL);
+
+	/* set SPU2 clock to 83.4 MHz */
+	clk = clk_get(NULL, "spu_clk");
+	if (!IS_ERR(clk)) {
+		clk_set_rate(clk, clk_round_rate(clk, 83333333));
+		clk_put(clk);
+	}
+
+	/* change parent of FSI B */
+	clk = clk_get(NULL, "fsib_clk");
+	if (!IS_ERR(clk)) {
+		/* 48kHz dummy clock was used to make sure 1/1 divide */
+		clk_set_rate(&sh7724_fsimckb_clk, 48000);
+		clk_set_parent(clk, &sh7724_fsimckb_clk);
+		clk_set_rate(clk, 48000);
+		clk_put(clk);
+	}
+
 	gpio_request(GPIO_PTU0, NULL);
 	gpio_direction_output(GPIO_PTU0, 0);
 	mdelay(20);
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index 58e86ba9ad73..e500feb91053 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -37,6 +37,9 @@
 #include <mach-se/mach/se7724.h>
 #include <media/drv-intf/renesas-ceu.h>
 
+#include <sound/sh_fsi.h>
+#include <sound/simple_card.h>
+
 #include <video/sh_mobile_lcdc.h>
 
 #define CEU_BUFFER_MEMORY_SIZE		(4 << 20)
@@ -63,6 +66,13 @@ static phys_addr_t ceu1_dma_membase;
  * and change SW41 to use 720p
  */
 
+/*
+ * about sound
+ *
+ * This setup.c supports FSI slave mode.
+ * Please change J20, J21, J22 pin to 1-2 connection.
+ */
+
 /* Heartbeat */
 static struct resource heartbeat_resource = {
 	.start  = PA_LED,
@@ -268,6 +278,50 @@ static struct platform_device ceu1_device = {
 	},
 };
 
+/* FSI */
+/* change J20, J21, J22 pin to 1-2 connection to use slave mode */
+static struct resource fsi_resources[] = {
+	[0] = {
+		.name	= "FSI",
+		.start	= 0xFE3C0000,
+		.end	= 0xFE3C021d,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = evt2irq(0xf80),
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device fsi_device = {
+	.name		= "sh_fsi",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(fsi_resources),
+	.resource	= fsi_resources,
+};
+
+static struct simple_util_info fsi_ak4642_info = {
+	.name		= "AK4642",
+	.card		= "FSIA-AK4642",
+	.codec		= "ak4642-codec.0-0012",
+	.platform	= "sh_fsi.0",
+	.daifmt		= SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_CBP_CFP,
+	.cpu_dai = {
+		.name	= "fsia-dai",
+	},
+	.codec_dai = {
+		.name	= "ak4642-hifi",
+		.sysclk	= 11289600,
+	},
+};
+
+static struct platform_device fsi_ak4642_device = {
+	.name	= "asoc-simple-card",
+	.dev	= {
+		.platform_data	= &fsi_ak4642_info,
+	},
+};
+
 /* KEYSC in SoC (Needs SW33-2 set to ON) */
 static struct sh_keysc_info keysc_info = {
 	.mode = SH_KEYSC_MODE_1,
@@ -535,12 +589,21 @@ static struct platform_device *ms7724se_devices[] __initdata = {
 	&sh_eth_device,
 	&sh7724_usb0_host_device,
 	&sh7724_usb1_gadget_device,
+	&fsi_device,
+	&fsi_ak4642_device,
 	&sdhi0_cn7_device,
 	&sdhi1_cn8_device,
 	&irda_device,
 	&vou_device,
 };
 
+/* I2C device */
+static struct i2c_board_info i2c0_devices[] = {
+	{
+		I2C_BOARD_INFO("ak4642", 0x12),
+	},
+};
+
 #define EEPROM_OP   0xBA206000
 #define EEPROM_ADR  0xBA206004
 #define EEPROM_DATA 0xBA20600C
@@ -603,9 +666,19 @@ extern char ms7724se_sdram_enter_end;
 extern char ms7724se_sdram_leave_start;
 extern char ms7724se_sdram_leave_end;
 
+static int __init arch_setup(void)
+{
+	/* enable I2C device */
+	i2c_register_board_info(0, i2c0_devices,
+				ARRAY_SIZE(i2c0_devices));
+	return 0;
+}
+arch_initcall(arch_setup);
+
 static int __init devices_setup(void)
 {
 	u16 sw = __raw_readw(SW4140); /* select camera, monitor */
+	struct clk *clk;
 	u16 fpga_out;
 
 	/* register board specific self-refresh code */
@@ -626,6 +699,7 @@ static int __init devices_setup(void)
 		      (1 << 4)  | /* AK8813 PDN */
 		      (1 << 5)  | /* AK8813 RESET */
 		      (1 << 6)  | /* VIDEO DAC */
+		      (1 << 7)  | /* AK4643 */
 		      (1 << 8)  | /* IrDA */
 		      (1 << 12) | /* USB0 */
 		      (1 << 14)); /* RMII */
@@ -755,6 +829,33 @@ static int __init devices_setup(void)
 	gpio_request(GPIO_FN_KEYOUT1,     NULL);
 	gpio_request(GPIO_FN_KEYOUT0,     NULL);
 
+	/* enable FSI */
+	gpio_request(GPIO_FN_FSIMCKA,    NULL);
+	gpio_request(GPIO_FN_FSIIASD,    NULL);
+	gpio_request(GPIO_FN_FSIOASD,    NULL);
+	gpio_request(GPIO_FN_FSIIABCK,   NULL);
+	gpio_request(GPIO_FN_FSIIALRCK,  NULL);
+	gpio_request(GPIO_FN_FSIOABCK,   NULL);
+	gpio_request(GPIO_FN_FSIOALRCK,  NULL);
+	gpio_request(GPIO_FN_CLKAUDIOAO, NULL);
+
+	/* set SPU2 clock to 83.4 MHz */
+	clk = clk_get(NULL, "spu_clk");
+	if (!IS_ERR(clk)) {
+		clk_set_rate(clk, clk_round_rate(clk, 83333333));
+		clk_put(clk);
+	}
+
+	/* change parent of FSI A */
+	clk = clk_get(NULL, "fsia_clk");
+	if (!IS_ERR(clk)) {
+		/* 48kHz dummy clock was used to make sure 1/1 divide */
+		clk_set_rate(&sh7724_fsimcka_clk, 48000);
+		clk_set_parent(clk, &sh7724_fsimcka_clk);
+		clk_set_rate(clk, 48000);
+		clk_put(clk);
+	}
+
 	/* SDHI0 connected to cn7 */
 	gpio_request(GPIO_FN_SDHI0CD, NULL);
 	gpio_request(GPIO_FN_SDHI0WP, NULL);
diff --git a/include/sound/simple_card.h b/include/sound/simple_card.h
new file mode 100644
index 000000000000..2e999916dbd7
--- /dev/null
+++ b/include/sound/simple_card.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0
+ *
+ * ASoC simple sound card support
+ *
+ * Copyright (C) 2012 Renesas Solutions Corp.
+ * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ */
+
+#ifndef __SIMPLE_CARD_H
+#define __SIMPLE_CARD_H
+
+#include <sound/soc.h>
+#include <sound/simple_card_utils.h>
+
+struct simple_util_info {
+	const char *name;
+	const char *card;
+	const char *codec;
+	const char *platform;
+
+	unsigned int daifmt;
+	struct simple_util_dai cpu_dai;
+	struct simple_util_dai codec_dai;
+};
+
+#endif /* __SIMPLE_CARD_H */