ARM: OMAP4: Add McBSP support

This patch creates McBSP support on OMAP4430 development platform. This patch
includes corresponding base address changes for OMAP4.

Signed-off-by: Syed Rafiuddin <rafiuddin.syed@ti.com>

3 files changed, 49 insertions, 2 deletions

diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c
index a5c0f0435cd6..d49dfb5e931f 100644
--- a/arch/arm/mach-omap2/mcbsp.c
+++ b/arch/arm/mach-omap2/mcbsp.c
@@ -169,6 +169,42 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
 #define OMAP34XX_MCBSP_PDATA_SZ         0
 #endif
 
+static struct omap_mcbsp_platform_data omap44xx_mcbsp_pdata[] = {
+        {
+                .phys_base      = OMAP44XX_MCBSP1_BASE,
+                .dma_rx_sync    = OMAP44XX_DMA_MCBSP1_RX,
+                .dma_tx_sync    = OMAP44XX_DMA_MCBSP1_TX,
+                .rx_irq         = INT_24XX_MCBSP1_IRQ_RX,
+                .tx_irq         = INT_24XX_MCBSP1_IRQ_TX,
+                .ops            = &omap2_mcbsp_ops,
+        },
+        {
+                .phys_base      = OMAP44XX_MCBSP2_BASE,
+                .dma_rx_sync    = OMAP44XX_DMA_MCBSP2_RX,
+                .dma_tx_sync    = OMAP44XX_DMA_MCBSP2_TX,
+                .rx_irq         = INT_24XX_MCBSP2_IRQ_RX,
+                .tx_irq         = INT_24XX_MCBSP2_IRQ_TX,
+                .ops            = &omap2_mcbsp_ops,
+        },
+        {
+                .phys_base      = OMAP44XX_MCBSP3_BASE,
+                .dma_rx_sync    = OMAP44XX_DMA_MCBSP3_RX,
+                .dma_tx_sync    = OMAP44XX_DMA_MCBSP3_TX,
+                .rx_irq         = INT_24XX_MCBSP3_IRQ_RX,
+                .tx_irq         = INT_24XX_MCBSP3_IRQ_TX,
+                .ops            = &omap2_mcbsp_ops,
+        },
+        {
+                .phys_base      = OMAP44XX_MCBSP4_BASE,
+                .dma_rx_sync    = OMAP44XX_DMA_MCBSP4_RX,
+                .dma_tx_sync    = OMAP44XX_DMA_MCBSP4_TX,
+                .rx_irq         = INT_24XX_MCBSP4_IRQ_RX,
+                .tx_irq         = INT_24XX_MCBSP4_IRQ_TX,
+                .ops            = &omap2_mcbsp_ops,
+        },
+};
+#define OMAP44XX_MCBSP_PDATA_SZ         ARRAY_SIZE(omap44xx_mcbsp_pdata)
+
 static int __init omap2_mcbsp_init(void)
 {
         if (cpu_is_omap2420())
@@ -177,6 +213,8 @@ static int __init omap2_mcbsp_init(void)
                 omap_mcbsp_count = OMAP2430_MCBSP_PDATA_SZ;
         if (cpu_is_omap34xx())
                 omap_mcbsp_count = OMAP34XX_MCBSP_PDATA_SZ;
+        if (cpu_is_omap44xx())
+                omap_mcbsp_count = OMAP44XX_MCBSP_PDATA_SZ;
 
         mcbsp_ptr = kzalloc(omap_mcbsp_count * sizeof(struct omap_mcbsp *),
                                                                 GFP_KERNEL);
@@ -192,6 +230,9 @@ static int __init omap2_mcbsp_init(void)
         if (cpu_is_omap34xx())
                 omap_mcbsp_register_board_cfg(omap34xx_mcbsp_pdata,
                                                 OMAP34XX_MCBSP_PDATA_SZ);
+        if (cpu_is_omap44xx())
+                omap_mcbsp_register_board_cfg(omap44xx_mcbsp_pdata,
+                                                OMAP44XX_MCBSP_PDATA_SZ);
 
         return omap_mcbsp_init();
 }
diff --git a/arch/arm/plat-omap/include/mach/mcbsp.h b/arch/arm/plat-omap/include/mach/mcbsp.h
index bb154ea76769..ec6f81e06d39 100644
--- a/arch/arm/plat-omap/include/mach/mcbsp.h
+++ b/arch/arm/plat-omap/include/mach/mcbsp.h
@@ -53,6 +53,11 @@
 #define OMAP34XX_MCBSP4_BASE    0x49026000
 #define OMAP34XX_MCBSP5_BASE    0x48096000
 
+#define OMAP44XX_MCBSP1_BASE    0x49022000
+#define OMAP44XX_MCBSP2_BASE    0x49024000
+#define OMAP44XX_MCBSP3_BASE    0x49026000
+#define OMAP44XX_MCBSP4_BASE    0x48074000
+
 #if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP730)
 
 #define OMAP_MCBSP_REG_DRR2     0x00
@@ -98,7 +103,8 @@
 #define AUDIO_DMA_TX            OMAP_DMA_MCBSP1_TX
 #define AUDIO_DMA_RX            OMAP_DMA_MCBSP1_RX
 
-#elif defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#elif defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
+        defined(CONFIG_ARCH_OMAP4)
 
 #define OMAP_MCBSP_REG_DRR2     0x00
 #define OMAP_MCBSP_REG_DRR1     0x04
diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index efa0e0111f38..e42fa7cfc795 100644
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/arch/arm/plat-omap/mcbsp.c
@@ -191,7 +191,7 @@ void omap_mcbsp_config(unsigned int id, const struct omap_mcbsp_reg_cfg *config)
         OMAP_MCBSP_WRITE(io_base, MCR2, config->mcr2);
         OMAP_MCBSP_WRITE(io_base, MCR1, config->mcr1);
         OMAP_MCBSP_WRITE(io_base, PCR0, config->pcr0);
-        if (cpu_is_omap2430() || cpu_is_omap34xx()) {
+        if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx()) {
                 OMAP_MCBSP_WRITE(io_base, XCCR, config->xccr);
                 OMAP_MCBSP_WRITE(io_base, RCCR, config->rccr);
         }