diff options
| author | wanzongshun <mcuos.com@gmail.com> | 2010-05-22 15:23:23 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-05-24 22:25:34 +0100 |
| commit | 3d34a0d80ab51b6838c08c22e7f47aec408eb837 (patch) | |
| tree | fc4e2f3e6546b2ef16dc6e7faa00c036051cd6e8 | |
| parent | 27ada410c7a56e72fd8c5d304704fbf5cb685659 (diff) | |
| download | op-kernel-dev-3d34a0d80ab51b6838c08c22e7f47aec408eb837.zip op-kernel-dev-3d34a0d80ab51b6838c08c22e7f47aec408eb837.tar.gz | |
ARM: 6141/1: Add audio support part in arch/arm/mach-w90x900
Add audio support part in arch/arm/mach-w90x900
Signed-off-by: Wan ZongShun<mcuos.com@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| -rw-r--r-- | arch/arm/mach-w90x900/dev.c | 28 | ||||
| -rw-r--r-- | arch/arm/mach-w90x900/include/mach/mfp.h | 24 | ||||
| -rw-r--r-- | arch/arm/mach-w90x900/mfp.c | 6 |
3 files changed, 58 insertions, 0 deletions
diff --git a/arch/arm/mach-w90x900/dev.c b/arch/arm/mach-w90x900/dev.c index e2958eb..b2eda4d 100644 --- a/arch/arm/mach-w90x900/dev.c +++ b/arch/arm/mach-w90x900/dev.c @@ -423,6 +423,33 @@ void nuc900_fb_set_platdata(struct nuc900fb_mach_info *pd) } #endif +/* AUDIO controller*/ +static u64 nuc900_device_audio_dmamask = -1; +static struct resource nuc900_ac97_resource[] = { + [0] = { + .start = W90X900_PA_ACTL, + .end = W90X900_PA_ACTL + W90X900_SZ_ACTL - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_ACTL, + .end = IRQ_ACTL, + .flags = IORESOURCE_IRQ, + } + +}; + +struct platform_device nuc900_device_audio = { + .name = "nuc900-audio", + .id = -1, + .num_resources = ARRAY_SIZE(nuc900_ac97_resource), + .resource = nuc900_ac97_resource, + .dev = { + .dma_mask = &nuc900_device_audio_dmamask, + .coherent_dma_mask = -1, + } +}; + /*Here should be your evb resourse,such as LCD*/ static struct platform_device *nuc900_public_dev[] __initdata = { @@ -434,6 +461,7 @@ static struct platform_device *nuc900_public_dev[] __initdata = { &nuc900_device_emc, &nuc900_device_spi, &nuc900_device_wdt, + &nuc900_device_audio, }; /* Provide adding specific CPU platform devices API */ diff --git a/arch/arm/mach-w90x900/include/mach/mfp.h b/arch/arm/mach-w90x900/include/mach/mfp.h new file mode 100644 index 0000000..94c0e71 --- /dev/null +++ b/arch/arm/mach-w90x900/include/mach/mfp.h @@ -0,0 +1,24 @@ +/* + * arch/arm/mach-w90x900/include/mach/mfp.h + * + * Copyright (c) 2010 Nuvoton technology corporation. + * + * Wan ZongShun <mcuos.com@gmail.com> + * + * Based on arch/arm/mach-s3c2410/include/mach/map.h + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation;version 2 of the License. + * + */ + +#ifndef __ASM_ARCH_MFP_H +#define __ASM_ARCH_MFP_H + +extern void mfp_set_groupf(struct device *dev); +extern void mfp_set_groupc(struct device *dev); +extern void mfp_set_groupi(struct device *dev); +extern void mfp_set_groupg(struct device *dev); + +#endif /* __ASM_ARCH_MFP_H */ diff --git a/arch/arm/mach-w90x900/mfp.c b/arch/arm/mach-w90x900/mfp.c index a47dc9a..fb7fb62 100644 --- a/arch/arm/mach-w90x900/mfp.c +++ b/arch/arm/mach-w90x900/mfp.c @@ -36,9 +36,12 @@ #define GPIOG0TO1 (0x03 << 14) #define GPIOG2TO3 (0x03 << 16) +#define GPIOG22TO23 (0x03 << 22) + #define ENSPI (0x0a << 14) #define ENI2C0 (0x01 << 14) #define ENI2C1 (0x01 << 16) +#define ENAC97 (0x02 << 22) static DEFINE_MUTEX(mfp_mutex); @@ -146,6 +149,9 @@ void mfp_set_groupg(struct device *dev) } else if (strcmp(dev_id, "nuc900-i2c1") == 0) { mfpen &= ~(GPIOG2TO3); mfpen |= ENI2C1;/*enable i2c1*/ + } else if (strcmp(dev_id, "nuc900-audio") == 0) { + mfpen &= ~(GPIOG22TO23); + mfpen |= ENAC97;/*enable AC97*/ } else { mfpen &= ~(GPIOG0TO1 | GPIOG2TO3);/*GPIOG[3:0]*/ } |
