summaryrefslogtreecommitdiffstats
path: root/arch/mips/alchemy
diff options
context:
space:
mode:
authorManuel Lauss <manuel.lauss@googlemail.com>2011-07-25 13:44:46 +0200
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-07-27 20:10:48 +0200
commitb2ce305dda483e59a78d5aa6e4211034c0cea38d (patch)
tree995694664f2b2654a0ff121277ec59875da56d05 /arch/mips/alchemy
parentASoC: Alchemy AC97C/I2SC audio support (diff)
downloadlinux-b2ce305dda483e59a78d5aa6e4211034c0cea38d.tar.xz
linux-b2ce305dda483e59a78d5aa6e4211034c0cea38d.zip
ASoC: Add a DB1x00 AC97 machine driver
Add a machine driver suitable for the AC97 part on the DB1000/DB1500/DB1100 boards. Run-tested on DB1500. Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com> Acked-by: Ralf Baechle <ralf@linux-mips.org> Acked-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'arch/mips/alchemy')
-rw-r--r--arch/mips/alchemy/devboards/db1x00/platform.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/mips/alchemy/devboards/db1x00/platform.c b/arch/mips/alchemy/devboards/db1x00/platform.c
index 978d5ab3d678..7057d28f7301 100644
--- a/arch/mips/alchemy/devboards/db1x00/platform.c
+++ b/arch/mips/alchemy/devboards/db1x00/platform.c
@@ -19,8 +19,11 @@
*/
#include <linux/init.h>
+#include <linux/interrupt.h>
#include <linux/platform_device.h>
+#include <asm/mach-au1x00/au1000.h>
+#include <asm/mach-au1x00/au1000_dma.h>
#include <asm/mach-au1x00/au1xxx.h>
#include <asm/mach-db1x00/bcsr.h>
#include "../platform.h"
@@ -85,6 +88,45 @@
#endif
#endif
+static struct resource alchemy_ac97c_res[] = {
+ [0] = {
+ .start = AU1000_AC97_PHYS_ADDR,
+ .end = AU1000_AC97_PHYS_ADDR + 0xfff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = DMA_ID_AC97C_TX,
+ .end = DMA_ID_AC97C_TX,
+ .flags = IORESOURCE_DMA,
+ },
+ [2] = {
+ .start = DMA_ID_AC97C_RX,
+ .end = DMA_ID_AC97C_RX,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+static struct platform_device alchemy_ac97c_dev = {
+ .name = "alchemy-ac97c",
+ .id = -1,
+ .resource = alchemy_ac97c_res,
+ .num_resources = ARRAY_SIZE(alchemy_ac97c_res),
+};
+
+static struct platform_device alchemy_ac97c_dma_dev = {
+ .name = "alchemy-pcm-dma",
+ .id = 0,
+};
+
+static struct platform_device db1x00_codec_dev = {
+ .name = "ac97-codec",
+ .id = -1,
+};
+
+static struct platform_device db1x00_audio_dev = {
+ .name = "db1000-audio",
+};
+
static int __init db1xxx_dev_init(void)
{
#ifdef DB1XXX_HAS_PCMCIA
@@ -113,6 +155,12 @@ static int __init db1xxx_dev_init(void)
1);
#endif
db1x_register_norflash(BOARD_FLASH_SIZE, BOARD_FLASH_WIDTH, F_SWAPPED);
+
+ platform_device_register(&db1x00_codec_dev);
+ platform_device_register(&alchemy_ac97c_dma_dev);
+ platform_device_register(&alchemy_ac97c_dev);
+ platform_device_register(&db1x00_audio_dev);
+
return 0;
}
device_initcall(db1xxx_dev_init);