diff options
Diffstat (limited to 'arch/arm/mach-s5p6440')
| -rw-r--r-- | arch/arm/mach-s5p6440/Makefile | 3 | ||||
| -rw-r--r-- | arch/arm/mach-s5p6440/dev-audio.c | 127 | ||||
| -rw-r--r-- | arch/arm/mach-s5p6440/include/mach/map.h | 6 | ||||
| -rw-r--r-- | arch/arm/mach-s5p6440/mach-smdk6440.c | 1 |
4 files changed, 137 insertions, 0 deletions
diff --git a/arch/arm/mach-s5p6440/Makefile b/arch/arm/mach-s5p6440/Makefile index 3f243dd1ad14..5fd17d3da0cb 100644 --- a/arch/arm/mach-s5p6440/Makefile +++ b/arch/arm/mach-s5p6440/Makefile @@ -17,3 +17,6 @@ obj-$(CONFIG_CPU_S5P6440) += cpu.o init.o clock.o gpio.o dma.o # machine support obj-$(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 000000000000..0c5367962830 --- /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 0275784eb22f..72aedadd412c 100644 --- a/arch/arm/mach-s5p6440/include/mach/map.h +++ b/arch/arm/mach-s5p6440/include/mach/map.h @@ -63,6 +63,12 @@ #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/mach-s5p6440/mach-smdk6440.c b/arch/arm/mach-s5p6440/mach-smdk6440.c index 3ae88f2c7c77..d7fede971ca6 100644 --- a/arch/arm/mach-s5p6440/mach-smdk6440.c +++ b/arch/arm/mach-s5p6440/mach-smdk6440.c @@ -84,6 +84,7 @@ static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = { }; static struct platform_device *smdk6440_devices[] __initdata = { + &s5p6440_device_iis, }; static void __init smdk6440_map_io(void) |
