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, 29 insertions, 0 deletions

diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index d98934629604..52bfe4cba25c 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -38,6 +38,28 @@ static struct davinci_uart_config da850_evm_uart_config __initdata = {
         .enabled_uarts = 0x7,
 };
 
+/* davinci da850 evm audio machine driver */
+static u8 da850_iis_serializer_direction[] = {
+        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
+        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
+        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  TX_MODE,
+        RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
+};
+
+static struct snd_platform_data da850_evm_snd_data = {
+        .tx_dma_offset  = 0x2000,
+        .rx_dma_offset  = 0x2000,
+        .op_mode        = DAVINCI_MCASP_IIS_MODE,
+        .num_serializer = ARRAY_SIZE(da850_iis_serializer_direction),
+        .tdm_slots      = 2,
+        .serial_dir     = da850_iis_serializer_direction,
+        .eventq_no      = EVENTQ_1,
+        .version        = MCASP_VERSION_2,
+        .txnumevt       = 1,
+        .rxnumevt       = 1,
+};
+
+
 static __init void da850_evm_init(void)
 {
         struct davinci_soc_info *soc_info = &davinci_soc_info;
@@ -86,6 +108,13 @@ static __init void da850_evm_init(void)
          */
         __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30);
         __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
+
+        ret = da8xx_pinmux_setup(da850_mcasp_pins);
+        if (ret)
+                pr_warning("da850_evm_init: mcasp mux setup failed: %d\n",
+                                ret);
+
+        da8xx_init_mcasp(0, &da850_evm_snd_data);
 }
 
 #ifdef CONFIG_SERIAL_8250_CONSOLE