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ARM: davinci: devices-da8xx: Add support for McASP2 on da830 

da830 has three McASP blocks.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
This commit is contained in:
Peter Ujfalusi 2015-03-12 10:06:28 +02:00 committed by Sekhar Nori
parent c96aacb132
commit 3775c31376
2 changed files with 48 additions and 0 deletions
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7
arch/arm/mach-davinci/asp.h
View File

@ -21,6 +21,9 @@
/* Bases of da830 McASP1 register banks */
#define DAVINCI_DA830_MCASP1_REG_BASE 0x01D04000
/* Bases of da830 McASP2 register banks */
#define DAVINCI_DA830_MCASP2_REG_BASE 0x01D08000
/* EDMA channels of dm644x and dm355 */
#define DAVINCI_DMA_ASP0_TX 2
#define DAVINCI_DMA_ASP0_RX 3
@ -40,6 +43,10 @@
#define DAVINCI_DA830_DMA_MCASP1_AREVT 2
#define DAVINCI_DA830_DMA_MCASP1_AXEVT 3
/* EDMA channels of da830 McASP2 */
#define DAVINCI_DA830_DMA_MCASP2_AREVT 4
#define DAVINCI_DA830_DMA_MCASP2_AXEVT 5
/* Interrupts */
#define DAVINCI_ASP0_RX_INT IRQ_MBRINT
#define DAVINCI_ASP0_TX_INT IRQ_MBXINT

41
arch/arm/mach-davinci/devices-da8xx.c
View File

@ -489,6 +489,41 @@ static struct platform_device da830_mcasp1_device = {
.resource = da830_mcasp1_resources,
};
static struct resource da830_mcasp2_resources[] = {
{
.name = "mpu",
.start = DAVINCI_DA830_MCASP2_REG_BASE,
.end = DAVINCI_DA830_MCASP2_REG_BASE + (SZ_1K * 12) - 1,
.flags = IORESOURCE_MEM,
},
/* TX event */
{
.name = "tx",
.start = DAVINCI_DA830_DMA_MCASP2_AXEVT,
.end = DAVINCI_DA830_DMA_MCASP2_AXEVT,
.flags = IORESOURCE_DMA,
},
/* RX event */
{
.name = "rx",
.start = DAVINCI_DA830_DMA_MCASP2_AREVT,
.end = DAVINCI_DA830_DMA_MCASP2_AREVT,
.flags = IORESOURCE_DMA,
},
{
.name = "common",
.start = IRQ_DA8XX_MCASPINT,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device da830_mcasp2_device = {
.name = "davinci-mcasp",
.id = 2,
.num_resources = ARRAY_SIZE(da830_mcasp2_resources),
.resource = da830_mcasp2_resources,
};
static struct resource da850_mcasp_resources[] = {
{
.name = "mpu",
@ -539,6 +574,12 @@ void __init da8xx_register_mcasp(int id, struct snd_platform_data *pdata)
return;
pdev = &da830_mcasp1_device;
break;
case 2:
/* Valid for DA830/OMAP-L137 only */
if (!cpu_is_davinci_da830())
return;
pdev = &da830_mcasp2_device;
break;
default:
return;
}