summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-msm/board-qsd8x50.c
blob: fbaa4ed95a3cf9dc578b53fb7ea511e06b2187ee (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
/* Copyright (c) 2009-2011, Code Aurora Forum. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/usb/msm_hsusb.h>
#include <linux/err.h>
#include <linux/clkdev.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/io.h>
#include <asm/setup.h>

#include <mach/board.h>
#include <mach/irqs.h>
#include <mach/sirc.h>
#include <mach/vreg.h>
#include <mach/mmc.h>

#include "devices.h"

extern struct sys_timer msm_timer;

static const resource_size_t qsd8x50_surf_smc91x_base __initdata = 0x70000300;
static const unsigned        qsd8x50_surf_smc91x_gpio __initdata = 156;

/* Leave smc91x resources empty here, as we'll fill them in
 * at run-time: they vary from board to board, and the true
 * configuration won't be known until boot.
 */
static struct resource smc91x_resources[] = {
	[0] = {
		.flags = IORESOURCE_MEM,
	},
	[1] = {
		.flags = IORESOURCE_IRQ,
	},
};

static struct platform_device smc91x_device = {
	.name           = "smc91x",
	.id             = 0,
	.num_resources  = ARRAY_SIZE(smc91x_resources),
	.resource       = smc91x_resources,
};

static int __init msm_init_smc91x(void)
{
	if (machine_is_qsd8x50_surf()) {
		smc91x_resources[0].start = qsd8x50_surf_smc91x_base;
		smc91x_resources[0].end   = qsd8x50_surf_smc91x_base + 0xff;
		smc91x_resources[1].start =
			gpio_to_irq(qsd8x50_surf_smc91x_gpio);
		smc91x_resources[1].end   =
			gpio_to_irq(qsd8x50_surf_smc91x_gpio);
		platform_device_register(&smc91x_device);
	}

	return 0;
}
module_init(msm_init_smc91x);

static int hsusb_phy_init_seq[] = {
	0x08, 0x31,	/* Increase HS Driver Amplitude */
	0x20, 0x32,	/* Enable and set Pre-Emphasis Depth to 10% */
	-1
};

static struct msm_otg_platform_data msm_otg_pdata = {
	.phy_init_seq		= hsusb_phy_init_seq,
	.mode                   = USB_PERIPHERAL,
	.otg_control		= OTG_PHY_CONTROL,
};

static struct platform_device *devices[] __initdata = {
	&msm_device_uart3,
	&msm_device_smd,
	&msm_device_otg,
	&msm_device_hsusb,
	&msm_device_hsusb_host,
};

static struct msm_mmc_gpio sdc1_gpio_cfg[] = {
	{51, "sdc1_dat_3"},
	{52, "sdc1_dat_2"},
	{53, "sdc1_dat_1"},
	{54, "sdc1_dat_0"},
	{55, "sdc1_cmd"},
	{56, "sdc1_clk"}
};

static struct vreg *vreg_mmc;
static unsigned long vreg_sts;

static uint32_t msm_sdcc_setup_power(struct device *dv, unsigned int vdd)
{
	int rc = 0;
	struct platform_device *pdev;

	pdev = container_of(dv, struct platform_device, dev);

	if (vdd == 0) {
		if (!vreg_sts)
			return 0;

		clear_bit(pdev->id, &vreg_sts);

		if (!vreg_sts) {
			rc = vreg_disable(vreg_mmc);
			if (rc)
				pr_err("vreg_mmc disable failed for slot "
						"%d: %d\n", pdev->id, rc);
		}
		return 0;
	}

	if (!vreg_sts) {
		rc = vreg_set_level(vreg_mmc, 2900);
		if (rc)
			pr_err("vreg_mmc set level failed for slot %d: %d\n",
					pdev->id, rc);
		rc = vreg_enable(vreg_mmc);
		if (rc)
			pr_err("vreg_mmc enable failed for slot %d: %d\n",
					pdev->id, rc);
	}
	set_bit(pdev->id, &vreg_sts);
	return 0;
}

static struct msm_mmc_gpio_data sdc1_gpio = {
	.gpio = sdc1_gpio_cfg,
	.size = ARRAY_SIZE(sdc1_gpio_cfg),
};

static struct msm_mmc_platform_data qsd8x50_sdc1_data = {
	.ocr_mask	= MMC_VDD_27_28 | MMC_VDD_28_29,
	.translate_vdd	= msm_sdcc_setup_power,
	.gpio_data = &sdc1_gpio,
};

static void __init qsd8x50_init_mmc(void)
{
	vreg_mmc = vreg_get(NULL, "gp5");

	if (IS_ERR(vreg_mmc)) {
		pr_err("vreg get for vreg_mmc failed (%ld)\n",
				PTR_ERR(vreg_mmc));
		return;
	}

	msm_add_sdcc(1, &qsd8x50_sdc1_data, 0, 0);
}

static void __init qsd8x50_map_io(void)
{
	msm_map_qsd8x50_io();
	msm_clock_init(msm_clocks_8x50, msm_num_clocks_8x50);
}

static void __init qsd8x50_init_irq(void)
{
	msm_init_irq();
	msm_init_sirc();
}

static void __init qsd8x50_init(void)
{
	msm_device_otg.dev.platform_data = &msm_otg_pdata;
	msm_device_hsusb.dev.parent = &msm_device_otg.dev;
	msm_device_hsusb_host.dev.parent = &msm_device_otg.dev;
	platform_add_devices(devices, ARRAY_SIZE(devices));
	qsd8x50_init_mmc();
}

MACHINE_START(QSD8X50_SURF, "QCT QSD8X50 SURF")
	.atag_offset = 0x100,
	.map_io = qsd8x50_map_io,
	.init_irq = qsd8x50_init_irq,
	.init_machine = qsd8x50_init,
	.timer = &msm_timer,
MACHINE_END

MACHINE_START(QSD8X50A_ST1_5, "QCT QSD8X50A ST1.5")
	.atag_offset = 0x100,
	.map_io = qsd8x50_map_io,
	.init_irq = qsd8x50_init_irq,
	.init_machine = qsd8x50_init,
	.timer = &msm_timer,
MACHINE_END
OpenPOWER on IntegriCloud