[alsa-devel] [PATCH v4 1/2] Davinci: DM365: Add platform device for McBSP
miguel.aguilar at ridgerun.com
miguel.aguilar at ridgerun.com
Wed Sep 2 23:33:29 CEST 2009
From: Miguel Aguilar <miguel.aguilar at ridgerun.com>
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.
Note: This patch was created based on temp/asoc branch
Signed-off-by: Miguel Aguilar <miguel.aguilar at ridgerun.com>
---
arch/arm/mach-davinci/board-dm365-evm.c | 7 ++++
arch/arm/mach-davinci/dm365.c | 45 +++++++++++++++++++++++++++-
arch/arm/mach-davinci/include/mach/asp.h | 3 ++
arch/arm/mach-davinci/include/mach/dm365.h | 2 +
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 f6adf79..77f815c 100644
--- a/arch/arm/mach-davinci/board-dm365-evm.c
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -177,6 +177,8 @@ 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("dm365evm_keys", 0x25),
@@ -185,6 +187,9 @@ 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 = {
@@ -476,6 +481,8 @@ 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 e815174..c8bff14 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 */
--
1.6.0.4
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