Davinci: DM365: Add platform device for McBSP

1) Registers the platform device for McBSP on dm365.
2) Add platform data to DM365 EVM board file.
3) Set i2c address for audio codec at DM365 EVM board file.

Signed-off-by: Miguel Aguilar <miguel.aguilar@ridgerun.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

4 files changed, 56 insertions, 1 deletions

diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c
index 52dd804..a5ed178 100644
--- a/arch/arm/mach-davinci/board-dm365-evm.c
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -176,11 +176,16 @@ static struct at24_platform_data eeprom_info = {
 	.context	= (void *)0x7f00,
 };
 
+static struct snd_platform_data dm365_evm_snd_data;
+
 static struct i2c_board_info i2c_info[] = {
 	{
 		I2C_BOARD_INFO("24c256", 0x50),
 		.platform_data	= &eeprom_info,
 	},
+	{
+		I2C_BOARD_INFO("tlv320aic3x", 0x18),
+	},
 };
 
 static struct davinci_i2c_platform_data i2c_pdata = {
@@ -472,6 +477,8 @@ static __init void dm365_evm_init(void)
 
 	/* maybe setup mmc1/etc ... _after_ mmc0 */
 	evm_init_cpld();
+
+	dm365_init_asp(&dm365_evm_snd_data);
 }
 
 static __init void dm365_evm_irq_init(void)
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index 6c948b1..2674438 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -32,6 +32,7 @@
 #include <mach/time.h>
 #include <mach/serial.h>
 #include <mach/common.h>
+#include <mach/asp.h>
 
 #include "clock.h"
 #include "mux.h"
@@ -456,7 +457,7 @@ static struct davinci_clk dm365_clks[] = {
 	CLK(NULL, "usb", &usb_clk),
 	CLK("davinci_emac.1", NULL, &emac_clk),
 	CLK("voice_codec", NULL, &voicecodec_clk),
-	CLK("soc-audio.0", NULL, &asp0_clk),
+	CLK("davinci-asp.0", NULL, &asp0_clk),
 	CLK(NULL, "rto", &rto_clk),
 	CLK(NULL, "mjcp", &mjcp_clk),
 	CLK(NULL, NULL, NULL),
@@ -603,6 +604,9 @@ INT_CFG(DM365,  INT_IMX1_ENABLE,     24,    1,    1,     false)
 INT_CFG(DM365,  INT_IMX1_DISABLE,    24,    1,    0,     false)
 INT_CFG(DM365,  INT_NSF_ENABLE,      25,    1,    1,     false)
 INT_CFG(DM365,  INT_NSF_DISABLE,     25,    1,    0,     false)
+
+EVT_CFG(DM365,	EVT2_ASP_TX,         0,     1,    0,     false)
+EVT_CFG(DM365,	EVT3_ASP_RX,         1,     1,    0,     false)
 #endif
 };
 
@@ -806,6 +810,31 @@ static struct platform_device dm365_edma_device = {
 	.resource		= edma_resources,
 };
 
+static struct resource dm365_asp_resources[] = {
+	{
+		.start	= DAVINCI_DM365_ASP0_BASE,
+		.end	= DAVINCI_DM365_ASP0_BASE + SZ_8K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= DAVINCI_DMA_ASP0_TX,
+		.end	= DAVINCI_DMA_ASP0_TX,
+		.flags	= IORESOURCE_DMA,
+	},
+	{
+		.start	= DAVINCI_DMA_ASP0_RX,
+		.end	= DAVINCI_DMA_ASP0_RX,
+		.flags	= IORESOURCE_DMA,
+	},
+};
+
+static struct platform_device dm365_asp_device = {
+	.name		= "davinci-asp",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(dm365_asp_resources),
+	.resource	= dm365_asp_resources,
+};
+
 static struct map_desc dm365_io_desc[] = {
 	{
 		.virtual	= IO_VIRT,
@@ -907,6 +936,20 @@ static struct davinci_soc_info davinci_soc_info_dm365 = {
 	.sram_len		= SZ_32K,
 };
 
+void __init dm365_init_asp(struct snd_platform_data *pdata)
+{
+	davinci_cfg_reg(DM365_MCBSP0_BDX);
+	davinci_cfg_reg(DM365_MCBSP0_X);
+	davinci_cfg_reg(DM365_MCBSP0_BFSX);
+	davinci_cfg_reg(DM365_MCBSP0_BDR);
+	davinci_cfg_reg(DM365_MCBSP0_R);
+	davinci_cfg_reg(DM365_MCBSP0_BFSR);
+	davinci_cfg_reg(DM365_EVT2_ASP_TX);
+	davinci_cfg_reg(DM365_EVT3_ASP_RX);
+	dm365_asp_device.dev.platform_data = pdata;
+	platform_device_register(&dm365_asp_device);
+}
+
 void __init dm365_init(void)
 {
 	davinci_common_init(&davinci_soc_info_dm365);
diff --git a/arch/arm/mach-davinci/include/mach/asp.h b/arch/arm/mach-davinci/include/mach/asp.h
index 18e4ce3..fef12b9 100644
--- a/arch/arm/mach-davinci/include/mach/asp.h
+++ b/arch/arm/mach-davinci/include/mach/asp.h
@@ -11,6 +11,9 @@
 #define DAVINCI_ASP0_BASE	0x01E02000
 #define DAVINCI_ASP1_BASE	0x01E04000
 
+/* Bases of dm365 register banks */
+#define DAVINCI_DM365_ASP0_BASE	0x01D02000
+
 /* Bases of dm646x register banks */
 #define	DAVINCI_DM646X_MCASP0_REG_BASE		0x01D01000
 #define DAVINCI_DM646X_MCASP1_REG_BASE		0x01D01800
diff --git a/arch/arm/mach-davinci/include/mach/dm365.h b/arch/arm/mach-davinci/include/mach/dm365.h
index 09db434..2291c0d 100644
--- a/arch/arm/mach-davinci/include/mach/dm365.h
+++ b/arch/arm/mach-davinci/include/mach/dm365.h
@@ -16,6 +16,7 @@
 #include <linux/platform_device.h>
 #include <mach/hardware.h>
 #include <mach/emac.h>
+#include <mach/asp.h>
 
 #define DM365_EMAC_BASE			(0x01D07000)
 #define DM365_EMAC_CNTRL_OFFSET		(0x0000)
@@ -25,5 +26,6 @@
 #define DM365_EMAC_CNTRL_RAM_SIZE	(0x2000)
 
 void __init dm365_init(void);
+void __init dm365_init_asp(struct snd_platform_data *pdata);
 
 #endif /* __ASM_ARCH_DM365_H */