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authorBarry Song <barry.song@analog.com>2010-06-28 08:39:37 (GMT)
committerMike Frysinger <vapier@gentoo.org>2010-10-22 07:48:53 (GMT)
commit027285e86fca48f1af3ed8b86a5c03453766f5ca (patch)
treea6458e55a4a492a4fbbd870f29a2cf7448f62a36 /arch/blackfin/mach-bf561
parent175671e75c54cf4b17c71d9c99151dd5635964b1 (diff)
downloadlinux-027285e86fca48f1af3ed8b86a5c03453766f5ca.tar.xz
Blackfin: bf561-ezkit: add AD1836 codec resources
This board has an AD1836 codec, so make sure we have the right resources declared for it. Signed-off-by: Barry Song <barry.song@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin/mach-bf561')
-rw-r--r--arch/blackfin/mach-bf561/boards/ezkit.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/blackfin/mach-bf561/boards/ezkit.c b/arch/blackfin/mach-bf561/boards/ezkit.c
index 51b80ec..f1e27d2 100644
--- a/arch/blackfin/mach-bf561/boards/ezkit.c
+++ b/arch/blackfin/mach-bf561/boards/ezkit.c
@@ -14,6 +14,7 @@
#include <linux/spi/spi.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
+#include <linux/delay.h>
#include <asm/dma.h>
#include <asm/bfin5xx_spi.h>
#include <asm/portmux.h>
@@ -335,7 +336,9 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = 4,
+ .platform_data = "ad1836", /* only includes chip name for the moment */
.controller_data = &ad1836_spi_chip_info,
+ .mode = SPI_MODE_3,
},
#endif
#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
@@ -420,6 +423,30 @@ static struct platform_device bfin_dpmc = {
},
};
+#if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
+static struct platform_device bfin_i2s = {
+ .name = "bfin-i2s",
+ .id = CONFIG_SND_BF5XX_SPORT_NUM,
+ /* TODO: add platform data here */
+};
+#endif
+
+#if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
+static struct platform_device bfin_tdm = {
+ .name = "bfin-tdm",
+ .id = CONFIG_SND_BF5XX_SPORT_NUM,
+ /* TODO: add platform data here */
+};
+#endif
+
+#if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
+static struct platform_device bfin_ac97 = {
+ .name = "bfin-ac97",
+ .id = CONFIG_SND_BF5XX_SPORT_NUM,
+ /* TODO: add platform data here */
+};
+#endif
+
static struct platform_device *ezkit_devices[] __initdata = {
&bfin_dpmc,
@@ -467,6 +494,18 @@ static struct platform_device *ezkit_devices[] __initdata = {
#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
&ezkit_flash_device,
#endif
+
+#if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
+ &bfin_i2s,
+#endif
+
+#if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
+ &bfin_tdm,
+#endif
+
+#if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
+ &bfin_ac97,
+#endif
};
static int __init ezkit_init(void)
@@ -484,6 +523,17 @@ static int __init ezkit_init(void)
SSYNC();
#endif
+#if defined(CONFIG_SND_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
+ bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 15));
+ bfin_write_FIO0_FLAG_S(1 << 15);
+ SSYNC();
+ /*
+ * This initialization lasts for approximately 4500 MCLKs.
+ * MCLK = 12.288MHz
+ */
+ udelay(400);
+#endif
+
spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
return 0;
}