1// SPDX-License-Identifier: GPL-2.0
2//
3// Copyright 2009 Wolfson Microelectronics
4//      Mark Brown <broonie@opensource.wolfsonmicro.com>
5
6#include <linux/kernel.h>
7#include <linux/string.h>
8#include <linux/platform_device.h>
9#include <linux/dma-mapping.h>
10#include <linux/gpio.h>
11#include <linux/export.h>
12
13#include "irqs.h"
14#include "map.h"
15
16#include "devs.h"
17#include <linux/platform_data/asoc-s3c.h>
18#include "gpio-cfg.h"
19#include "gpio-samsung.h"
20
21static int s3c64xx_i2s_cfg_gpio(struct platform_device *pdev)
22{
23	unsigned int base;
24
25	switch (pdev->id) {
26	case 0:
27		base = S3C64XX_GPD(0);
28		break;
29	case 1:
30		base = S3C64XX_GPE(0);
31		break;
32	case 2:
33		s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5));
34		s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5));
35		s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5));
36		s3c_gpio_cfgpin_range(S3C64XX_GPH(6), 4, S3C_GPIO_SFN(5));
37		return 0;
38	default:
39		printk(KERN_DEBUG "Invalid I2S Controller number: %d\n",
40			pdev->id);
41		return -EINVAL;
42	}
43
44	s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3));
45
46	return 0;
47}
48
49static struct resource s3c64xx_iis0_resource[] = {
50	[0] = DEFINE_RES_MEM(S3C64XX_PA_IIS0, SZ_256),
51};
52
53static struct s3c_audio_pdata i2s0_pdata = {
54	.cfg_gpio = s3c64xx_i2s_cfg_gpio,
55};
56
57struct platform_device s3c64xx_device_iis0 = {
58	.name		  = "samsung-i2s",
59	.id		  = 0,
60	.num_resources	  = ARRAY_SIZE(s3c64xx_iis0_resource),
61	.resource	  = s3c64xx_iis0_resource,
62	.dev = {
63		.platform_data = &i2s0_pdata,
64	},
65};
66EXPORT_SYMBOL(s3c64xx_device_iis0);
67
68static struct resource s3c64xx_iis1_resource[] = {
69	[0] = DEFINE_RES_MEM(S3C64XX_PA_IIS1, SZ_256),
70};
71
72static struct s3c_audio_pdata i2s1_pdata = {
73	.cfg_gpio = s3c64xx_i2s_cfg_gpio,
74};
75
76struct platform_device s3c64xx_device_iis1 = {
77	.name		  = "samsung-i2s",
78	.id		  = 1,
79	.num_resources	  = ARRAY_SIZE(s3c64xx_iis1_resource),
80	.resource	  = s3c64xx_iis1_resource,
81	.dev = {
82		.platform_data = &i2s1_pdata,
83	},
84};
85EXPORT_SYMBOL(s3c64xx_device_iis1);
86