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Commit 3775c313 authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Sekhar Nori
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ARM: davinci: devices-da8xx: Add support for McASP2 on da830 



da830 has three McASP blocks.

Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: default avatarSekhar Nori <nsekhar@ti.com>
parent c96aacb1

arch/arm/mach-davinci/asp.h

+7 −0
Original line number Diff line number Diff line
@@ -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

arch/arm/mach-davinci/devices-da8xx.c

+41 −0
Original line number Diff line number Diff line
@@ -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;

	}