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, 27 insertions, 0 deletions

diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c
index 90256693b8d8..a45340de7465 100644
--- a/arch/arm/mach-davinci/board-da830-evm.c
+++ b/arch/arm/mach-davinci/board-da830-evm.c
@@ -23,6 +23,7 @@
 #include <mach/irqs.h>
 #include <mach/cp_intc.h>
 #include <mach/da8xx.h>
+#include <mach/asp.h>
 
 #define DA830_EVM_PHY_MASK              0x0
 #define DA830_EVM_MDIO_FREQUENCY        2200000 /* PHY bus frequency */
@@ -51,6 +52,25 @@ static struct davinci_uart_config da830_evm_uart_config __initdata = {
         .enabled_uarts = 0x7,
 };
 
+static u8 da830_iis_serializer_direction[] = {
+        RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
+        INACTIVE_MODE,  TX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,
+        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
+};
+
+static struct snd_platform_data da830_evm_snd_data = {
+        .tx_dma_offset  = 0x2000,
+        .rx_dma_offset  = 0x2000,
+        .op_mode        = DAVINCI_MCASP_IIS_MODE,
+        .num_serializer = ARRAY_SIZE(da830_iis_serializer_direction),
+        .tdm_slots      = 2,
+        .serial_dir     = da830_iis_serializer_direction,
+        .eventq_no      = EVENTQ_0,
+        .version        = MCASP_VERSION_2,
+        .txnumevt       = 1,
+        .rxnumevt       = 1,
+};
+
 static __init void da830_evm_init(void)
 {
         struct davinci_soc_info *soc_info = &davinci_soc_info;
@@ -93,6 +113,13 @@ static __init void da830_evm_init(void)
         davinci_serial_init(&da830_evm_uart_config);
         i2c_register_board_info(1, da830_evm_i2c_devices,
                         ARRAY_SIZE(da830_evm_i2c_devices));
+
+        ret = da8xx_pinmux_setup(da830_mcasp1_pins);
+        if (ret)
+                pr_warning("da830_evm_init: mcasp1 mux setup failed: %d\n",
+                                ret);
+
+        da8xx_init_mcasp(1, &da830_evm_snd_data);
 }
 
 #ifdef CONFIG_SERIAL_8250_CONSOLE