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authorJassi Brar <jassi.brar@samsung.com>2010-05-18 03:03:02 -0400
committerBen Dooks <ben-linux@fluff.org>2010-05-18 06:09:50 -0400
commit08885d0a4c4fa929c386e17c9682bf0d524146b9 (patch)
tree66dd11e9f097fe1104de329a57594e0ba1f71fb6
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>
-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 1ad894b1d3ab..a2e99a249767 100644
--- a/arch/arm/mach-s5p6440/Makefile
+++ b/arch/arm/mach-s5p6440/Makefile
@@ -17,3 +17,6 @@ obj-$(CONFIG_CPU_S5P6440) += cpu.o init.o clock.o gpio.o
17# machine support 17# machine support
18 18
19obj-$(CONFIG_MACH_SMDK6440) += mach-smdk6440.o 19obj-$(CONFIG_MACH_SMDK6440) += mach-smdk6440.o
20
21# device support
22obj-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 000000000000..0c5367962830
--- /dev/null
+++ b/arch/arm/mach-s5p6440/dev-audio.c
@@ -0,0 +1,127 @@
1/* linux/arch/arm/mach-s5p6440/dev-audio.c
2 *
3 * Copyright (c) 2010 Samsung Electronics Co. Ltd
4 * Jaswinder Singh <jassi.brar@samsung.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11#include <linux/platform_device.h>
12#include <linux/dma-mapping.h>
13
14#include <plat/gpio-cfg.h>
15#include <plat/audio.h>
16
17#include <mach/gpio.h>
18#include <mach/map.h>
19#include <mach/dma.h>
20#include <mach/irqs.h>
21
22static int s5p6440_cfg_i2s(struct platform_device *pdev)
23{
24 /* configure GPIO for i2s port */
25 switch (pdev->id) {
26 case -1:
27 s3c_gpio_cfgpin(S5P6440_GPR(4), S3C_GPIO_SFN(5));
28 s3c_gpio_cfgpin(S5P6440_GPR(5), S3C_GPIO_SFN(5));
29 s3c_gpio_cfgpin(S5P6440_GPR(6), S3C_GPIO_SFN(5));
30 s3c_gpio_cfgpin(S5P6440_GPR(7), S3C_GPIO_SFN(5));
31 s3c_gpio_cfgpin(S5P6440_GPR(8), S3C_GPIO_SFN(5));
32 s3c_gpio_cfgpin(S5P6440_GPR(13), S3C_GPIO_SFN(5));
33 s3c_gpio_cfgpin(S5P6440_GPR(14), S3C_GPIO_SFN(5));
34 break;
35
36 default:
37 printk(KERN_ERR "Invalid Device %d\n", pdev->id);
38 return -EINVAL;
39 }
40
41 return 0;
42}
43
44static struct s3c_audio_pdata s3c_i2s_pdata = {
45 .cfg_gpio = s5p6440_cfg_i2s,
46};
47
48static struct resource s5p6440_iis0_resource[] = {
49 [0] = {
50 .start = S5P6440_PA_I2S,
51 .end = S5P6440_PA_I2S + 0x100 - 1,
52 .flags = IORESOURCE_MEM,
53 },
54 [1] = {
55 .start = DMACH_I2S0_TX,
56 .end = DMACH_I2S0_TX,
57 .flags = IORESOURCE_DMA,
58 },
59 [2] = {
60 .start = DMACH_I2S0_RX,
61 .end = DMACH_I2S0_RX,
62 .flags = IORESOURCE_DMA,
63 },
64};
65
66struct platform_device s5p6440_device_iis = {
67 .name = "s3c64xx-iis-v4",
68 .id = -1,
69 .num_resources = ARRAY_SIZE(s5p6440_iis0_resource),
70 .resource = s5p6440_iis0_resource,
71 .dev = {
72 .platform_data = &s3c_i2s_pdata,
73 },
74};
75
76/* PCM Controller platform_devices */
77
78static int s5p6440_pcm_cfg_gpio(struct platform_device *pdev)
79{
80 switch (pdev->id) {
81 case 0:
82 s3c_gpio_cfgpin(S5P6440_GPR(7), S3C_GPIO_SFN(2));
83 s3c_gpio_cfgpin(S5P6440_GPR(13), S3C_GPIO_SFN(2));
84 s3c_gpio_cfgpin(S5P6440_GPR(14), S3C_GPIO_SFN(2));
85 s3c_gpio_cfgpin(S5P6440_GPR(8), S3C_GPIO_SFN(2));
86 s3c_gpio_cfgpin(S5P6440_GPR(6), S3C_GPIO_SFN(2));
87 break;
88
89 default:
90 printk(KERN_DEBUG "Invalid PCM Controller number!");
91 return -EINVAL;
92 }
93
94 return 0;
95}
96
97static struct s3c_audio_pdata s3c_pcm_pdata = {
98 .cfg_gpio = s5p6440_pcm_cfg_gpio,
99};
100
101static struct resource s5p6440_pcm0_resource[] = {
102 [0] = {
103 .start = S5P6440_PA_PCM,
104 .end = S5P6440_PA_PCM + 0x100 - 1,
105 .flags = IORESOURCE_MEM,
106 },
107 [1] = {
108 .start = DMACH_PCM0_TX,
109 .end = DMACH_PCM0_TX,
110 .flags = IORESOURCE_DMA,
111 },
112 [2] = {
113 .start = DMACH_PCM0_RX,
114 .end = DMACH_PCM0_RX,
115 .flags = IORESOURCE_DMA,
116 },
117};
118
119struct platform_device s5p6440_device_pcm = {
120 .name = "samsung-pcm",
121 .id = 0,
122 .num_resources = ARRAY_SIZE(s5p6440_pcm0_resource),
123 .resource = s5p6440_pcm0_resource,
124 .dev = {
125 .platform_data = &s3c_pcm_pdata,
126 },
127};
diff --git a/arch/arm/mach-s5p6440/include/mach/map.h b/arch/arm/mach-s5p6440/include/mach/map.h
index 8924e5a4d6a6..ccbfdaea6eb6 100644
--- a/arch/arm/mach-s5p6440/include/mach/map.h
+++ b/arch/arm/mach-s5p6440/include/mach/map.h
@@ -61,6 +61,12 @@
61#define S5P6440_PA_SDRAM (0x20000000) 61#define S5P6440_PA_SDRAM (0x20000000)
62#define S5P_PA_SDRAM S5P6440_PA_SDRAM 62#define S5P_PA_SDRAM S5P6440_PA_SDRAM
63 63
64/* I2S */
65#define S5P6440_PA_I2S 0xF2000000
66
67/* PCM */
68#define S5P6440_PA_PCM 0xF2100000
69
64/* compatibiltiy defines. */ 70/* compatibiltiy defines. */
65#define S3C_PA_UART S5P6440_PA_UART 71#define S3C_PA_UART S5P6440_PA_UART
66#define S3C_PA_IIC S5P6440_PA_IIC0 72#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 ebf0387fb201..ef69e56b2885 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;
77extern struct platform_device s5p6442_device_iis0; 77extern struct platform_device s5p6442_device_iis0;
78extern struct platform_device s5p6442_device_iis1; 78extern struct platform_device s5p6442_device_iis1;
79 79
80extern struct platform_device s5p6440_device_pcm;
81extern struct platform_device s5p6440_device_iis;
82
80/* s3c2440 specific devices */ 83/* s3c2440 specific devices */
81 84
82#ifdef CONFIG_CPU_S3C2440 85#ifdef CONFIG_CPU_S3C2440