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authorapatard@mandriva.com <apatard@mandriva.com>2010-05-31 13:49:12 +0200
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-05-31 13:16:37 +0100
commit49106c729053b3c7c963a988aeaf00aa2424a7aa (patch)
tree988788b5aa9c559ba1c185e73271314aeb41b59f /arch
parent72ed5a8c9b057aeb779d161ac6fab1e98f091697 (diff)
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-kirkwood/common.c38
-rw-r--r--arch/arm/mach-kirkwood/common.h2
-rw-r--r--arch/arm/mach-kirkwood/include/mach/kirkwood.h3
-rw-r--r--arch/arm/plat-orion/include/plat/audio.h11
4 files changed, 54 insertions, 0 deletions
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index 6072eaa5e66a..e1f3efedbcf1 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,
diff --git a/arch/arm/mach-kirkwood/common.h b/arch/arm/mach-kirkwood/common.h
index 05e8a8a5692e..c9ab1cb3b39f 100644
--- a/arch/arm/mach-kirkwood/common.h
+++ b/arch/arm/mach-kirkwood/common.h
@@ -17,6 +17,7 @@ struct mv_sata_platform_data;
struct mvsdio_platform_data;
struct mtd_partition;
struct mtd_info;
+struct kirkwood_asoc_platform_data;
/*
* Basic Kirkwood init functions used early by machine-setup.
@@ -43,6 +44,7 @@ void kirkwood_uart0_init(void);
void kirkwood_uart1_init(void);
void kirkwood_nand_init(struct mtd_partition *parts, int nr_parts, int delay);
void kirkwood_nand_init_rnb(struct mtd_partition *parts, int nr_parts, int (*dev_ready)(struct mtd_info *));
+void kirkwood_audio_init(void);
extern int kirkwood_tclk;
extern struct sys_timer kirkwood_timer;
diff --git a/arch/arm/mach-kirkwood/include/mach/kirkwood.h b/arch/arm/mach-kirkwood/include/mach/kirkwood.h
index a15cf0ee22bd..838151d0744b 100644
--- a/arch/arm/mach-kirkwood/include/mach/kirkwood.h
+++ b/arch/arm/mach-kirkwood/include/mach/kirkwood.h
@@ -96,6 +96,9 @@
#define SDIO_PHYS_BASE (KIRKWOOD_REGS_PHYS_BASE | 0x90000)
+#define AUDIO_PHYS_BASE (KIRKWOOD_REGS_PHYS_BASE | 0xA0000)
+#define AUDIO_VIRT_BASE (KIRKWOOD_REGS_VIRT_BASE | 0xA0000)
+
/*
* Supported devices and revisions.
*/
diff --git a/arch/arm/plat-orion/include/plat/audio.h b/arch/arm/plat-orion/include/plat/audio.h
new file mode 100644
index 000000000000..9cf1f781329b
--- /dev/null
+++ b/arch/arm/plat-orion/include/plat/audio.h
@@ -0,0 +1,11 @@
+#ifndef __PLAT_AUDIO_H
+#define __PLAT_AUDIO_H
+
+#include <linux/mbus.h>
+
+struct kirkwood_asoc_platform_data {
+ u32 tclk;
+ struct mbus_dram_target_info *dram;
+ int burst;
+};
+#endif