davinci: Audio support for DA850/OMAP-L138 EVM

Define resources for McASP used on DA850/OMAP-L138 EVM, add platform
device defintion and Pin Mux configurations.

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

1 files changed, 33 insertions, 1 deletions

diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index fe0baafcf610..1882eef3aead 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -309,6 +309,34 @@ static struct platform_device da830_mcasp1_device = {
         .resource       = da830_mcasp1_resources,
 };
 
+static struct resource da850_mcasp_resources[] = {
+        {
+                .name   = "mcasp",
+                .start  = DAVINCI_DA8XX_MCASP0_REG_BASE,
+                .end    = DAVINCI_DA8XX_MCASP0_REG_BASE + (SZ_1K * 12) - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        /* TX event */
+        {
+                .start  = DAVINCI_DA8XX_DMA_MCASP0_AXEVT,
+                .end    = DAVINCI_DA8XX_DMA_MCASP0_AXEVT,
+                .flags  = IORESOURCE_DMA,
+        },
+        /* RX event */
+        {
+                .start  = DAVINCI_DA8XX_DMA_MCASP0_AREVT,
+                .end    = DAVINCI_DA8XX_DMA_MCASP0_AREVT,
+                .flags  = IORESOURCE_DMA,
+        },
+};
+
+static struct platform_device da850_mcasp_device = {
+        .name           = "davinci-mcasp",
+        .id             = 0,
+        .num_resources  = ARRAY_SIZE(da850_mcasp_resources),
+        .resource       = da850_mcasp_resources,
+};
+
 int __init da8xx_register_emac(void)
 {
         return platform_device_register(&da8xx_emac_device);
@@ -316,8 +344,12 @@ int __init da8xx_register_emac(void)
 
 void __init da8xx_init_mcasp(int id, struct snd_platform_data *pdata)
 {
-        if (id == 1) { /* DA830/OMAP-L137 has 3 instances of McASP */
+        /* DA830/OMAP-L137 has 3 instances of McASP */
+        if (cpu_is_davinci_da830() && id == 1) {
                 da830_mcasp1_device.dev.platform_data = pdata;
                 platform_device_register(&da830_mcasp1_device);
+        } else if (cpu_is_davinci_da850()) {
+                da850_mcasp_device.dev.platform_data = pdata;
+                platform_device_register(&da850_mcasp_device);
         }
 }