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>
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index d989346..52bfe4c 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -38,6 +38,28 @@
.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 @@
*/
__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