ARM: shmobile: kzm9g: enable FSI-AK4648

This patch enable sound playback/capture on CN9/CN10.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Simon Horman <horms@verge.net.au>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
index df33909..4c3b031 100644 (file)
--- a/arch/arm/mach-shmobile/Kconfig
+++ b/arch/arm/mach-shmobile/Kconfig
@@ -122,6 +122,7 @@ config MACH_KZM9G
        depends on ARCH_SH73A0
        select ARCH_REQUIRE_GPIOLIB
        select USE_OF
+       select SND_SOC_AK4642 if SND_SIMPLE_CARD
 
 comment "SH-Mobile System Configuration"
 

diff --git a/arch/arm/mach-shmobile/board-kzm9g.c b/arch/arm/mach-shmobile/board-kzm9g.c
index d8e33b6..7523e9e 100644 (file)
--- a/arch/arm/mach-shmobile/board-kzm9g.c
+++ b/arch/arm/mach-shmobile/board-kzm9g.c
@@ -33,6 +33,8 @@
 #include <linux/smsc911x.h>
 #include <linux/usb/r8a66597.h>
 #include <linux/videodev2.h>
+#include <sound/sh_fsi.h>
+#include <sound/simple_card.h>
 #include <mach/irqs.h>
 #include <mach/sh73a0.h>
 #include <mach/common.h>
@@ -54,6 +56,14 @@
 #define GPIO_PCF8575_PORT15    (GPIO_NR + 13)
 #define GPIO_PCF8575_PORT16    (GPIO_NR + 14)
 
+/*
+ * FSI-AK4648
+ *
+ * this command is required when playback.
+ *
+ * # amixer set "LINEOUT Mixer DACL" on
+ */
+
 /* SMSC 9221 */
 static struct resource smsc9221_resources[] = {
        [0] = {
@@ -267,11 +277,70 @@ static struct platform_device gpio_keys_device = {
        },
 };
 
+/* FSI-AK4648 */
+static struct sh_fsi_platform_info fsi_info = {
+       .port_a = {
+       },
+};
+
+static struct resource fsi_resources[] = {
+       [0] = {
+               .name   = "FSI",
+               .start  = 0xEC230000,
+               .end    = 0xEC230400 - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = gic_spi(146),
+               .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 asoc_simple_dai_init_info fsi2_ak4648_init_info = {
+       .fmt            = SND_SOC_DAIFMT_LEFT_J,
+       .codec_daifmt   = SND_SOC_DAIFMT_CBM_CFM,
+       .cpu_daifmt     = SND_SOC_DAIFMT_CBS_CFS,
+       .sysclk         = 11289600,
+};
+
+static struct asoc_simple_card_info fsi2_ak4648_info = {
+       .name           = "AK4648",
+       .card           = "FSI2A-AK4648",
+       .cpu_dai        = "fsia-dai",
+       .codec          = "ak4642-codec.0-0012",
+       .platform       = "sh_fsi2",
+       .codec_dai      = "ak4642-hifi",
+       .init           = &fsi2_ak4648_init_info,
+};
+
+static struct platform_device fsi_ak4648_device = {
+       .name   = "asoc-simple-card",
+       .dev    = {
+               .platform_data  = &fsi2_ak4648_info,
+       },
+};
+
 /* I2C */
 static struct pcf857x_platform_data pcf8575_pdata = {
        .gpio_base      = GPIO_PCF8575_BASE,
 };
 
+static struct i2c_board_info i2c0_devices[] = {
+       {
+               I2C_BOARD_INFO("ak4648", 0x12),
+       }
+};
+
 static struct i2c_board_info i2c1_devices[] = {
        {
                I2C_BOARD_INFO("st1232-ts", 0x55),
@@ -293,6 +362,8 @@ static struct platform_device *kzm_devices[] __initdata = {
        &mmc_device,
        &sdhi0_device,
        &gpio_keys_device,
+       &fsi_device,
+       &fsi_ak4648_device,
 };
 
 /*
@@ -431,11 +502,19 @@ static void __init kzm_init(void)
        gpio_request(GPIO_FN_PORT27_I2C_SCL3, NULL);
        gpio_request(GPIO_FN_PORT28_I2C_SDA3, NULL);
 
+       /* enable FSI2 port A (ak4648) */
+       gpio_request(GPIO_FN_FSIACK,    NULL);
+       gpio_request(GPIO_FN_FSIAILR,   NULL);
+       gpio_request(GPIO_FN_FSIAIBT,   NULL);
+       gpio_request(GPIO_FN_FSIAISLD,  NULL);
+       gpio_request(GPIO_FN_FSIAOSLD,  NULL);
+
 #ifdef CONFIG_CACHE_L2X0
        /* Early BRESP enable, Shared attribute override enable, 64K*8way */
        l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff);
 #endif
 
+       i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices));
        i2c_register_board_info(1, i2c1_devices, ARRAY_SIZE(i2c1_devices));
        i2c_register_board_info(3, i2c3_devices, ARRAY_SIZE(i2c3_devices));