diff options
Diffstat (limited to 'arch/arm/mach-s3c/dev-audio-s3c64xx.c')
-rw-r--r-- | arch/arm/mach-s3c/dev-audio-s3c64xx.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c/dev-audio-s3c64xx.c b/arch/arm/mach-s3c/dev-audio-s3c64xx.c new file mode 100644 index 0000000000..7ce119dc3a --- /dev/null +++ b/arch/arm/mach-s3c/dev-audio-s3c64xx.c @@ -0,0 +1,85 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Copyright 2009 Wolfson Microelectronics +// Mark Brown <broonie@opensource.wolfsonmicro.com> + +#include <linux/kernel.h> +#include <linux/string.h> +#include <linux/platform_device.h> +#include <linux/dma-mapping.h> +#include <linux/gpio.h> +#include <linux/export.h> + +#include "irqs.h" +#include "map.h" + +#include "devs.h" +#include <linux/platform_data/asoc-s3c.h> +#include "gpio-cfg.h" +#include "gpio-samsung.h" + +static int s3c64xx_i2s_cfg_gpio(struct platform_device *pdev) +{ + unsigned int base; + + switch (pdev->id) { + case 0: + base = S3C64XX_GPD(0); + break; + case 1: + base = S3C64XX_GPE(0); + break; + case 2: + s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5)); + s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5)); + s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5)); + s3c_gpio_cfgpin_range(S3C64XX_GPH(6), 4, S3C_GPIO_SFN(5)); + return 0; + default: + printk(KERN_DEBUG "Invalid I2S Controller number: %d\n", + pdev->id); + return -EINVAL; + } + + s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3)); + + return 0; +} + +static struct resource s3c64xx_iis0_resource[] = { + [0] = DEFINE_RES_MEM(S3C64XX_PA_IIS0, SZ_256), +}; + +static struct s3c_audio_pdata i2s0_pdata = { + .cfg_gpio = s3c64xx_i2s_cfg_gpio, +}; + +struct platform_device s3c64xx_device_iis0 = { + .name = "samsung-i2s", + .id = 0, + .num_resources = ARRAY_SIZE(s3c64xx_iis0_resource), + .resource = s3c64xx_iis0_resource, + .dev = { + .platform_data = &i2s0_pdata, + }, +}; +EXPORT_SYMBOL(s3c64xx_device_iis0); + +static struct resource s3c64xx_iis1_resource[] = { + [0] = DEFINE_RES_MEM(S3C64XX_PA_IIS1, SZ_256), +}; + +static struct s3c_audio_pdata i2s1_pdata = { + .cfg_gpio = s3c64xx_i2s_cfg_gpio, +}; + +struct platform_device s3c64xx_device_iis1 = { + .name = "samsung-i2s", + .id = 1, + .num_resources = ARRAY_SIZE(s3c64xx_iis1_resource), + .resource = s3c64xx_iis1_resource, + .dev = { + .platform_data = &i2s1_pdata, + }, +}; +EXPORT_SYMBOL(s3c64xx_device_iis1); |