orion/kirkwood: add audio functions.

This patch add audio related definitions and functions

Signed-off-by: Arnaud Patard <apatard@mandriva.com>
Acked-by: Nicolas Pitre <nico@fluxnic.net>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 38 insertions, 0 deletions

diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index 6072eaa5e66..e1f3efedbcf 100644
--- a/arch/arm/mach-kirkwood/common.c
+++ b/arch/arm/mach-kirkwood/common.c
@@ -25,6 +25,7 @@
 #include <asm/mach/time.h>
 #include <mach/kirkwood.h>
 #include <mach/bridge-regs.h>
+#include <plat/audio.h>
 #include <plat/cache-feroceon-l2.h>
 #include <plat/ehci-orion.h>
 #include <plat/mvsdio.h>
@@ -864,6 +865,42 @@ struct sys_timer kirkwood_timer = {
         .init = kirkwood_timer_init,
 };
 
+/*****************************************************************************
+ * Audio
+ ****************************************************************************/
+static struct resource kirkwood_i2s_resources[] = {
+        [0] = {
+                .start  = AUDIO_PHYS_BASE,
+                .end    = AUDIO_PHYS_BASE + SZ_16K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = IRQ_KIRKWOOD_I2S,
+                .end    = IRQ_KIRKWOOD_I2S,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct kirkwood_asoc_platform_data kirkwood_i2s_data = {
+        .dram        = &kirkwood_mbus_dram_info,
+        .burst       = 128,
+};
+
+static struct platform_device kirkwood_i2s_device = {
+        .name           = "kirkwood-i2s",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(kirkwood_i2s_resources),
+        .resource       = kirkwood_i2s_resources,
+        .dev            = {
+                .platform_data  = &kirkwood_i2s_data,
+        },
+};
+
+void __init kirkwood_audio_init(void)
+{
+        kirkwood_clk_ctrl |= CGC_AUDIO;
+        platform_device_register(&kirkwood_i2s_device);
+}
 
 /*****************************************************************************
  * General
@@ -923,6 +960,7 @@ void __init kirkwood_init(void)
         kirkwood_spi_plat_data.tclk = kirkwood_tclk;
         kirkwood_uart0_data[0].uartclk = kirkwood_tclk;
         kirkwood_uart1_data[0].uartclk = kirkwood_tclk;
+        kirkwood_i2s_data.tclk = kirkwood_tclk;
 
         /*
          * Disable propagation of mbus errors to the CPU local bus,