3 files changed, 81 insertions, 14 deletions

diff --git a/arch/arm/mach-davinci/include/mach/asp.h b/arch/arm/mach-davinci/include/mach/asp.h
new file mode 100644
index 000000000000..e0abc437d796
--- /dev/null
+++ b/arch/arm/mach-davinci/include/mach/asp.h
@@ -0,0 +1,25 @@
+/*
+ * <mach/asp.h> - DaVinci Audio Serial Port support
+ */
+#ifndef __ASM_ARCH_DAVINCI_ASP_H
+#define __ASM_ARCH_DAVINCI_ASP_H
+
+#include <mach/irqs.h>
+
+/* Bases of register banks */
+#define DAVINCI_ASP0_BASE       0x01E02000
+#define DAVINCI_ASP1_BASE       0x01E04000
+
+/* EDMA channels */
+#define DAVINCI_DMA_ASP0_TX     2
+#define DAVINCI_DMA_ASP0_RX     3
+#define DAVINCI_DMA_ASP1_TX     8
+#define DAVINCI_DMA_ASP1_RX     9
+
+/* Interrupts */
+#define DAVINCI_ASP0_RX_INT     IRQ_MBRINT
+#define DAVINCI_ASP0_TX_INT     IRQ_MBXINT
+#define DAVINCI_ASP1_RX_INT     IRQ_MBRINT
+#define DAVINCI_ASP1_TX_INT     IRQ_MBXINT
+
+#endif /* __ASM_ARCH_DAVINCI_ASP_H */
diff --git a/sound/soc/davinci/Kconfig b/sound/soc/davinci/Kconfig
index bd7392c9657e..411a710be660 100644
--- a/sound/soc/davinci/Kconfig
+++ b/sound/soc/davinci/Kconfig
@@ -10,13 +10,14 @@ config SND_DAVINCI_SOC_I2S
         tristate
 
 config SND_DAVINCI_SOC_EVM
-        tristate "SoC Audio support for DaVinci EVM"
-        depends on SND_DAVINCI_SOC && MACH_DAVINCI_EVM
+        tristate "SoC Audio support for DaVinci DM6446 or DM355 EVM"
+        depends on SND_DAVINCI_SOC
+        depends on MACH_DAVINCI_EVM || MACH_DAVINCI_DM355_EVM
         select SND_DAVINCI_SOC_I2S
         select SND_SOC_TLV320AIC3X
         help
           Say Y if you want to add support for SoC audio on TI
-          DaVinci EVM platform.
+          DaVinci DM6446 or DM355 EVM platforms.
 
 config SND_DAVINCI_SOC_SFFSDR
         tristate "SoC Audio support for SFFSDR"
diff --git a/sound/soc/davinci/davinci-evm.c b/sound/soc/davinci/davinci-evm.c
index 9b90b347007c..58fd1cbedd88 100644
--- a/sound/soc/davinci/davinci-evm.c
+++ b/sound/soc/davinci/davinci-evm.c
@@ -20,7 +20,11 @@
 #include <sound/soc-dapm.h>
 
 #include <asm/dma.h>
-#include <mach/hardware.h>
+#include <asm/mach-types.h>
+
+#include <mach/asp.h>
+#include <mach/edma.h>
+#include <mach/mux.h>
 
 #include "../codecs/tlv320aic3x.h"
 #include "davinci-pcm.h"
@@ -150,7 +154,7 @@ static struct snd_soc_card snd_soc_card_evm = {
 
 /* evm audio private data */
 static struct aic3x_setup_data evm_aic3x_setup = {
-        .i2c_bus = 0,
+        .i2c_bus = 1,
         .i2c_address = 0x1b,
 };
 
@@ -161,36 +165,73 @@ static struct snd_soc_device evm_snd_devdata = {
         .codec_data = &evm_aic3x_setup,
 };
 
+/* DM6446 EVM uses ASP0; line-out is a pair of RCA jacks */
 static struct resource evm_snd_resources[] = {
         {
-                .start = DAVINCI_MCBSP_BASE,
-                .end = DAVINCI_MCBSP_BASE + SZ_8K - 1,
+                .start = DAVINCI_ASP0_BASE,
+                .end = DAVINCI_ASP0_BASE + SZ_8K - 1,
                 .flags = IORESOURCE_MEM,
         },
 };
 
 static struct evm_snd_platform_data evm_snd_data = {
-        .tx_dma_ch      = DM644X_DMACH_MCBSP_TX,
-        .rx_dma_ch      = DM644X_DMACH_MCBSP_RX,
+        .tx_dma_ch      = DAVINCI_DMA_ASP0_TX,
+        .rx_dma_ch      = DAVINCI_DMA_ASP0_RX,
+};
+
+/* DM335 EVM uses ASP1; line-out is a stereo mini-jack */
+static struct resource dm335evm_snd_resources[] = {
+        {
+                .start = DAVINCI_ASP1_BASE,
+                .end = DAVINCI_ASP1_BASE + SZ_8K - 1,
+                .flags = IORESOURCE_MEM,
+        },
+};
+
+static struct evm_snd_platform_data dm335evm_snd_data = {
+        .tx_dma_ch      = DAVINCI_DMA_ASP1_TX,
+        .rx_dma_ch      = DAVINCI_DMA_ASP1_RX,
 };
 
 static struct platform_device *evm_snd_device;
 
 static int __init evm_init(void)
 {
+        struct resource *resources;
+        unsigned num_resources;
+        struct evm_snd_platform_data *data;
+        int index;
         int ret;
 
-        evm_snd_device = platform_device_alloc("soc-audio", 0);
+        if (machine_is_davinci_evm()) {
+                davinci_cfg_reg(DM644X_MCBSP);
+
+                resources = evm_snd_resources;
+                num_resources = ARRAY_SIZE(evm_snd_resources);
+                data = &evm_snd_data;
+                index = 0;
+        } else if (machine_is_davinci_dm355_evm()) {
+                /* we don't use ASP1 IRQs, or we'd need to mux them ... */
+                davinci_cfg_reg(DM355_EVT8_ASP1_TX);
+                davinci_cfg_reg(DM355_EVT9_ASP1_RX);
+
+                resources = dm335evm_snd_resources;
+                num_resources = ARRAY_SIZE(dm335evm_snd_resources);
+                data = &dm335evm_snd_data;
+                index = 1;
+        } else
+                return -EINVAL;
+
+        evm_snd_device = platform_device_alloc("soc-audio", index);
         if (!evm_snd_device)
                 return -ENOMEM;
 
         platform_set_drvdata(evm_snd_device, &evm_snd_devdata);
         evm_snd_devdata.dev = &evm_snd_device->dev;
-        platform_device_add_data(evm_snd_device, &evm_snd_data,
-                                 sizeof(evm_snd_data));
+        platform_device_add_data(evm_snd_device, data, sizeof(*data));
 
-        ret = platform_device_add_resources(evm_snd_device, evm_snd_resources,
-                                            ARRAY_SIZE(evm_snd_resources));
+        ret = platform_device_add_resources(evm_snd_device, resources,
+                        num_resources);
         if (ret) {
                 platform_device_put(evm_snd_device);
                 return ret;