davinci: Audio support for DA830 EVM

Define resources for McASP1 used on DA830/OMAP-L137 EVM, add platform
device defintion, initialization function.  Additionally, this patch
also adds version and FIFO related members to platform data structure.

Signed-off-by: Chaithrika U S <chaithrika@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

1 files changed, 36 insertions, 0 deletions

diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index 11c0971e13a6..fe0baafcf610 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -281,7 +281,43 @@ static struct platform_device da8xx_emac_device = {
         .resource       = da8xx_emac_resources,
 };
 
+static struct resource da830_mcasp1_resources[] = {
+        {
+                .name   = "mcasp1",
+                .start  = DAVINCI_DA830_MCASP1_REG_BASE,
+                .end    = DAVINCI_DA830_MCASP1_REG_BASE + (SZ_1K * 12) - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        /* TX event */
+        {
+                .start  = DAVINCI_DA830_DMA_MCASP1_AXEVT,
+                .end    = DAVINCI_DA830_DMA_MCASP1_AXEVT,
+                .flags  = IORESOURCE_DMA,
+        },
+        /* RX event */
+        {
+                .start  = DAVINCI_DA830_DMA_MCASP1_AREVT,
+                .end    = DAVINCI_DA830_DMA_MCASP1_AREVT,
+                .flags  = IORESOURCE_DMA,
+        },
+};
+
+static struct platform_device da830_mcasp1_device = {
+        .name           = "davinci-mcasp",
+        .id             = 1,
+        .num_resources  = ARRAY_SIZE(da830_mcasp1_resources),
+        .resource       = da830_mcasp1_resources,
+};
+
 int __init da8xx_register_emac(void)
 {
         return platform_device_register(&da8xx_emac_device);
 }
+
+void __init da8xx_init_mcasp(int id, struct snd_platform_data *pdata)
+{
+        if (id == 1) { /* DA830/OMAP-L137 has 3 instances of McASP */
+                da830_mcasp1_device.dev.platform_data = pdata;
+                platform_device_register(&da830_mcasp1_device);
+        }
+}