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>

diff --git a/arch/arm/mach-s5p6440/Makefile b/arch/arm/mach-s5p6440/Makefile
index 1ad894b..a2e99a2 100644 (file)
--- 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 (file)
index 0000000..0c53679
--- /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 8924e5a..ccbfdae 100644 (file)
--- 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 ebf0387..ef69e56 100644 (file)
--- 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