86 lines
1.9 KiB
C
86 lines
1.9 KiB
C
// SPDX-License-Identifier: GPL-2.0
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//
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// Copyright 2009 Wolfson Microelectronics
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// Mark Brown <broonie@opensource.wolfsonmicro.com>
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <linux/platform_device.h>
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#include <linux/dma-mapping.h>
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#include <linux/gpio.h>
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#include <linux/export.h>
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#include "irqs.h"
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#include "map.h"
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#include "devs.h"
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#include <linux/platform_data/asoc-s3c.h>
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#include "gpio-cfg.h"
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#include "gpio-samsung.h"
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static int s3c64xx_i2s_cfg_gpio(struct platform_device *pdev)
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{
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unsigned int base;
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switch (pdev->id) {
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case 0:
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base = S3C64XX_GPD(0);
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break;
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case 1:
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base = S3C64XX_GPE(0);
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break;
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case 2:
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s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5));
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s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5));
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s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5));
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s3c_gpio_cfgpin_range(S3C64XX_GPH(6), 4, S3C_GPIO_SFN(5));
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return 0;
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default:
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printk(KERN_DEBUG "Invalid I2S Controller number: %d\n",
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pdev->id);
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return -EINVAL;
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}
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s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3));
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return 0;
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}
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static struct resource s3c64xx_iis0_resource[] = {
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[0] = DEFINE_RES_MEM(S3C64XX_PA_IIS0, SZ_256),
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};
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static struct s3c_audio_pdata i2s0_pdata = {
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.cfg_gpio = s3c64xx_i2s_cfg_gpio,
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};
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struct platform_device s3c64xx_device_iis0 = {
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.name = "samsung-i2s",
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.id = 0,
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.num_resources = ARRAY_SIZE(s3c64xx_iis0_resource),
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.resource = s3c64xx_iis0_resource,
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.dev = {
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.platform_data = &i2s0_pdata,
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},
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};
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EXPORT_SYMBOL(s3c64xx_device_iis0);
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static struct resource s3c64xx_iis1_resource[] = {
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[0] = DEFINE_RES_MEM(S3C64XX_PA_IIS1, SZ_256),
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};
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static struct s3c_audio_pdata i2s1_pdata = {
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.cfg_gpio = s3c64xx_i2s_cfg_gpio,
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};
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struct platform_device s3c64xx_device_iis1 = {
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.name = "samsung-i2s",
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.id = 1,
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.num_resources = ARRAY_SIZE(s3c64xx_iis1_resource),
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.resource = s3c64xx_iis1_resource,
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.dev = {
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.platform_data = &i2s1_pdata,
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},
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};
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EXPORT_SYMBOL(s3c64xx_device_iis1);
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