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authorJassi Brar <jassi.brar@samsung.com>2010-05-18 16:03:02 +0900
committerBen Dooks <ben-linux@fluff.org>2010-05-18 19:09:50 +0900
commit08885d0a4c4fa929c386e17c9682bf0d524146b9 (patch)
tree66dd11e9f097fe1104de329a57594e0ba1f71fb6 /arch/arm
parent78a368234f51e54a8878ab00375be91a22e945b3 (diff)
ARM: S5P6440: Add audio platform devices
Define platform devices for all audio devices found on S5P6440 Signed-off-by: Jassi Brar <jassi.brar@samsung.com> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-s5p6440/Makefile3
-rw-r--r--arch/arm/mach-s5p6440/dev-audio.c127
-rw-r--r--arch/arm/mach-s5p6440/include/mach/map.h6
-rw-r--r--arch/arm/plat-samsung/include/plat/devs.h3
4 files changed, 139 insertions, 0 deletions
diff --git a/arch/arm/mach-s5p6440/Makefile b/arch/arm/mach-s5p6440/Makefile
index 1ad894b1d3a..a2e99a24976 100644
--- a/arch/arm/mach-s5p6440/Makefile
+++ b/arch/arm/mach-s5p6440/Makefile
@@ -17,3 +17,6 @@ obj-$(CONFIG_CPU_S5P6440) += cpu.o init.o clock.o gpio.o
# machine support
obj-$(CONFIG_MACH_SMDK6440) += mach-smdk6440.o
+
+# device support
+obj-y += dev-audio.o
diff --git a/arch/arm/mach-s5p6440/dev-audio.c b/arch/arm/mach-s5p6440/dev-audio.c
new file mode 100644
index 00000000000..0c536796283
--- /dev/null
+++ b/arch/arm/mach-s5p6440/dev-audio.c
@@ -0,0 +1,127 @@
+/* linux/arch/arm/mach-s5p6440/dev-audio.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co. Ltd
+ * Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+
+#include <plat/gpio-cfg.h>
+#include <plat/audio.h>
+
+#include <mach/gpio.h>
+#include <mach/map.h>
+#include <mach/dma.h>
+#include <mach/irqs.h>
+
+static int s5p6440_cfg_i2s(struct platform_device *pdev)
+{
+ /* configure GPIO for i2s port */
+ switch (pdev->id) {
+ case -1:
+ s3c_gpio_cfgpin(S5P6440_GPR(4), S3C_GPIO_SFN(5));
+ s3c_gpio_cfgpin(S5P6440_GPR(5), S3C_GPIO_SFN(5));
+ s3c_gpio_cfgpin(S5P6440_GPR(6), S3C_GPIO_SFN(5));
+ s3c_gpio_cfgpin(S5P6440_GPR(7), S3C_GPIO_SFN(5));
+ s3c_gpio_cfgpin(S5P6440_GPR(8), S3C_GPIO_SFN(5));
+ s3c_gpio_cfgpin(S5P6440_GPR(13), S3C_GPIO_SFN(5));
+ s3c_gpio_cfgpin(S5P6440_GPR(14), S3C_GPIO_SFN(5));
+ break;
+
+ default:
+ printk(KERN_ERR "Invalid Device %d\n", pdev->id);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static struct s3c_audio_pdata s3c_i2s_pdata = {
+ .cfg_gpio = s5p6440_cfg_i2s,
+};
+
+static struct resource s5p6440_iis0_resource[] = {
+ [0] = {
+ .start = S5P6440_PA_I2S,
+ .end = S5P6440_PA_I2S + 0x100 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = DMACH_I2S0_TX,
+ .end = DMACH_I2S0_TX,
+ .flags = IORESOURCE_DMA,
+ },
+ [2] = {
+ .start = DMACH_I2S0_RX,
+ .end = DMACH_I2S0_RX,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+struct platform_device s5p6440_device_iis = {
+ .name = "s3c64xx-iis-v4",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(s5p6440_iis0_resource),
+ .resource = s5p6440_iis0_resource,
+ .dev = {
+ .platform_data = &s3c_i2s_pdata,
+ },
+};
+
+/* PCM Controller platform_devices */
+
+static int s5p6440_pcm_cfg_gpio(struct platform_device *pdev)
+{
+ switch (pdev->id) {
+ case 0:
+ s3c_gpio_cfgpin(S5P6440_GPR(7), S3C_GPIO_SFN(2));
+ s3c_gpio_cfgpin(S5P6440_GPR(13), S3C_GPIO_SFN(2));
+ s3c_gpio_cfgpin(S5P6440_GPR(14), S3C_GPIO_SFN(2));
+ s3c_gpio_cfgpin(S5P6440_GPR(8), S3C_GPIO_SFN(2));
+ s3c_gpio_cfgpin(S5P6440_GPR(6), S3C_GPIO_SFN(2));
+ break;
+
+ default:
+ printk(KERN_DEBUG "Invalid PCM Controller number!");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static struct s3c_audio_pdata s3c_pcm_pdata = {
+ .cfg_gpio = s5p6440_pcm_cfg_gpio,
+};
+
+static struct resource s5p6440_pcm0_resource[] = {
+ [0] = {
+ .start = S5P6440_PA_PCM,
+ .end = S5P6440_PA_PCM + 0x100 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = DMACH_PCM0_TX,
+ .end = DMACH_PCM0_TX,
+ .flags = IORESOURCE_DMA,
+ },
+ [2] = {
+ .start = DMACH_PCM0_RX,
+ .end = DMACH_PCM0_RX,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+struct platform_device s5p6440_device_pcm = {
+ .name = "samsung-pcm",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(s5p6440_pcm0_resource),
+ .resource = s5p6440_pcm0_resource,
+ .dev = {
+ .platform_data = &s3c_pcm_pdata,
+ },
+};
diff --git a/arch/arm/mach-s5p6440/include/mach/map.h b/arch/arm/mach-s5p6440/include/mach/map.h
index 8924e5a4d6a..ccbfdaea6eb 100644
--- a/arch/arm/mach-s5p6440/include/mach/map.h
+++ b/arch/arm/mach-s5p6440/include/mach/map.h
@@ -61,6 +61,12 @@
#define S5P6440_PA_SDRAM (0x20000000)
#define S5P_PA_SDRAM S5P6440_PA_SDRAM
+/* I2S */
+#define S5P6440_PA_I2S 0xF2000000
+
+/* PCM */
+#define S5P6440_PA_PCM 0xF2100000
+
/* compatibiltiy defines. */
#define S3C_PA_UART S5P6440_PA_UART
#define S3C_PA_IIC S5P6440_PA_IIC0
diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
index ebf0387fb20..ef69e56b288 100644
--- a/arch/arm/plat-samsung/include/plat/devs.h
+++ b/arch/arm/plat-samsung/include/plat/devs.h
@@ -77,6 +77,9 @@ extern struct platform_device s5p6442_device_pcm1;
extern struct platform_device s5p6442_device_iis0;
extern struct platform_device s5p6442_device_iis1;
+extern struct platform_device s5p6440_device_pcm;
+extern struct platform_device s5p6440_device_iis;
+
/* s3c2440 specific devices */
#ifdef CONFIG_CPU_S3C2440