Commit | Line | Data |
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8b4d95fc | 1 | /* Copyright (c) 2009-2011, Code Aurora Forum. All rights reserved. |
a32d2feb DW |
2 | * |
3 | * This program is free software; you can redistribute it and/or modify | |
4 | * it under the terms of the GNU General Public License version 2 and | |
5 | * only version 2 as published by the Free Software Foundation. | |
6 | * | |
7 | * This program is distributed in the hope that it will be useful, | |
8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
10 | * GNU General Public License for more details. | |
11 | * | |
12 | * You should have received a copy of the GNU General Public License | |
13 | * along with this program; if not, write to the Free Software | |
14 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
15 | * 02110-1301, USA. | |
16 | */ | |
2f8163ba | 17 | #include <linux/gpio.h> |
a32d2feb DW |
18 | #include <linux/kernel.h> |
19 | #include <linux/irq.h> | |
a32d2feb | 20 | #include <linux/platform_device.h> |
a32d2feb | 21 | #include <linux/delay.h> |
7032d512 | 22 | #include <linux/usb/msm_hsusb.h> |
8b4d95fc | 23 | #include <linux/err.h> |
bd32344a | 24 | #include <linux/clkdev.h> |
a32d2feb DW |
25 | |
26 | #include <asm/mach-types.h> | |
27 | #include <asm/mach/arch.h> | |
28 | #include <asm/io.h> | |
29 | #include <asm/setup.h> | |
30 | ||
d1c0d43d DW |
31 | #include <mach/irqs.h> |
32 | #include <mach/sirc.h> | |
8b4d95fc | 33 | #include <mach/vreg.h> |
5146d771 | 34 | #include <mach/clk.h> |
1ef21f63 | 35 | #include <linux/platform_data/mmc-msm_sdcc.h> |
a32d2feb DW |
36 | |
37 | #include "devices.h" | |
4312a7ef | 38 | #include "common.h" |
a32d2feb | 39 | |
bcad6dc3 AK |
40 | static const resource_size_t qsd8x50_surf_smc91x_base __initconst = 0x70000300; |
41 | static const unsigned qsd8x50_surf_smc91x_gpio __initconst = 156; | |
5d73c53b GB |
42 | |
43 | /* Leave smc91x resources empty here, as we'll fill them in | |
44 | * at run-time: they vary from board to board, and the true | |
45 | * configuration won't be known until boot. | |
46 | */ | |
7c63dedc | 47 | static struct resource smc91x_resources[] = { |
5d73c53b GB |
48 | [0] = { |
49 | .flags = IORESOURCE_MEM, | |
50 | }, | |
51 | [1] = { | |
52 | .flags = IORESOURCE_IRQ, | |
53 | }, | |
54 | }; | |
55 | ||
7c63dedc | 56 | static struct platform_device smc91x_device = { |
5d73c53b GB |
57 | .name = "smc91x", |
58 | .id = 0, | |
59 | .num_resources = ARRAY_SIZE(smc91x_resources), | |
60 | .resource = smc91x_resources, | |
61 | }; | |
62 | ||
63 | static int __init msm_init_smc91x(void) | |
64 | { | |
65 | if (machine_is_qsd8x50_surf()) { | |
66 | smc91x_resources[0].start = qsd8x50_surf_smc91x_base; | |
67 | smc91x_resources[0].end = qsd8x50_surf_smc91x_base + 0xff; | |
68 | smc91x_resources[1].start = | |
69 | gpio_to_irq(qsd8x50_surf_smc91x_gpio); | |
70 | smc91x_resources[1].end = | |
71 | gpio_to_irq(qsd8x50_surf_smc91x_gpio); | |
72 | platform_device_register(&smc91x_device); | |
73 | } | |
74 | ||
75 | return 0; | |
76 | } | |
77 | module_init(msm_init_smc91x); | |
78 | ||
7032d512 PK |
79 | static int hsusb_phy_init_seq[] = { |
80 | 0x08, 0x31, /* Increase HS Driver Amplitude */ | |
81 | 0x20, 0x32, /* Enable and set Pre-Emphasis Depth to 10% */ | |
82 | -1 | |
83 | }; | |
84 | ||
5146d771 II |
85 | static int hsusb_link_clk_reset(struct clk *link_clk, bool assert) |
86 | { | |
87 | int ret; | |
88 | ||
89 | if (assert) { | |
90 | ret = clk_reset(link_clk, CLK_RESET_ASSERT); | |
91 | if (ret) | |
92 | pr_err("usb hs_clk assert failed\n"); | |
93 | } else { | |
94 | ret = clk_reset(link_clk, CLK_RESET_DEASSERT); | |
95 | if (ret) | |
96 | pr_err("usb hs_clk deassert failed\n"); | |
97 | } | |
98 | return ret; | |
99 | } | |
100 | ||
101 | static int hsusb_phy_clk_reset(struct clk *phy_clk) | |
102 | { | |
103 | int ret; | |
104 | ||
105 | ret = clk_reset(phy_clk, CLK_RESET_ASSERT); | |
106 | if (ret) { | |
107 | pr_err("usb phy clk assert failed\n"); | |
108 | return ret; | |
109 | } | |
110 | usleep_range(10000, 12000); | |
111 | ret = clk_reset(phy_clk, CLK_RESET_DEASSERT); | |
112 | if (ret) | |
113 | pr_err("usb phy clk deassert failed\n"); | |
114 | return ret; | |
115 | } | |
116 | ||
7032d512 PK |
117 | static struct msm_otg_platform_data msm_otg_pdata = { |
118 | .phy_init_seq = hsusb_phy_init_seq, | |
119 | .mode = USB_PERIPHERAL, | |
120 | .otg_control = OTG_PHY_CONTROL, | |
5146d771 II |
121 | .link_clk_reset = hsusb_link_clk_reset, |
122 | .phy_clk_reset = hsusb_phy_clk_reset, | |
7032d512 PK |
123 | }; |
124 | ||
a32d2feb | 125 | static struct platform_device *devices[] __initdata = { |
421faca0 | 126 | &msm_clock_8x50, |
7bce696b | 127 | &msm_device_gpio_8x50, |
d1c0d43d | 128 | &msm_device_uart3, |
88b52277 | 129 | &msm_device_smd, |
7032d512 PK |
130 | &msm_device_otg, |
131 | &msm_device_hsusb, | |
132 | &msm_device_hsusb_host, | |
a32d2feb DW |
133 | }; |
134 | ||
8b4d95fc ST |
135 | static struct msm_mmc_gpio sdc1_gpio_cfg[] = { |
136 | {51, "sdc1_dat_3"}, | |
137 | {52, "sdc1_dat_2"}, | |
138 | {53, "sdc1_dat_1"}, | |
139 | {54, "sdc1_dat_0"}, | |
140 | {55, "sdc1_cmd"}, | |
141 | {56, "sdc1_clk"} | |
142 | }; | |
143 | ||
144 | static struct vreg *vreg_mmc; | |
145 | static unsigned long vreg_sts; | |
146 | ||
147 | static uint32_t msm_sdcc_setup_power(struct device *dv, unsigned int vdd) | |
148 | { | |
149 | int rc = 0; | |
150 | struct platform_device *pdev; | |
151 | ||
152 | pdev = container_of(dv, struct platform_device, dev); | |
153 | ||
154 | if (vdd == 0) { | |
155 | if (!vreg_sts) | |
156 | return 0; | |
157 | ||
158 | clear_bit(pdev->id, &vreg_sts); | |
159 | ||
160 | if (!vreg_sts) { | |
161 | rc = vreg_disable(vreg_mmc); | |
162 | if (rc) | |
163 | pr_err("vreg_mmc disable failed for slot " | |
164 | "%d: %d\n", pdev->id, rc); | |
165 | } | |
166 | return 0; | |
167 | } | |
168 | ||
169 | if (!vreg_sts) { | |
170 | rc = vreg_set_level(vreg_mmc, 2900); | |
171 | if (rc) | |
172 | pr_err("vreg_mmc set level failed for slot %d: %d\n", | |
173 | pdev->id, rc); | |
174 | rc = vreg_enable(vreg_mmc); | |
175 | if (rc) | |
176 | pr_err("vreg_mmc enable failed for slot %d: %d\n", | |
177 | pdev->id, rc); | |
178 | } | |
179 | set_bit(pdev->id, &vreg_sts); | |
180 | return 0; | |
181 | } | |
182 | ||
183 | static struct msm_mmc_gpio_data sdc1_gpio = { | |
184 | .gpio = sdc1_gpio_cfg, | |
185 | .size = ARRAY_SIZE(sdc1_gpio_cfg), | |
186 | }; | |
187 | ||
188 | static struct msm_mmc_platform_data qsd8x50_sdc1_data = { | |
189 | .ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29, | |
190 | .translate_vdd = msm_sdcc_setup_power, | |
191 | .gpio_data = &sdc1_gpio, | |
192 | }; | |
193 | ||
194 | static void __init qsd8x50_init_mmc(void) | |
195 | { | |
62f0988e | 196 | vreg_mmc = vreg_get(NULL, "gp5"); |
8b4d95fc ST |
197 | |
198 | if (IS_ERR(vreg_mmc)) { | |
199 | pr_err("vreg get for vreg_mmc failed (%ld)\n", | |
200 | PTR_ERR(vreg_mmc)); | |
201 | return; | |
202 | } | |
203 | ||
204 | msm_add_sdcc(1, &qsd8x50_sdc1_data, 0, 0); | |
205 | } | |
206 | ||
d1c0d43d | 207 | static void __init qsd8x50_map_io(void) |
a32d2feb | 208 | { |
d1c0d43d | 209 | msm_map_qsd8x50_io(); |
a32d2feb DW |
210 | } |
211 | ||
d1c0d43d | 212 | static void __init qsd8x50_init_irq(void) |
a32d2feb | 213 | { |
d1c0d43d DW |
214 | msm_init_irq(); |
215 | msm_init_sirc(); | |
a32d2feb DW |
216 | } |
217 | ||
218 | static void __init qsd8x50_init(void) | |
219 | { | |
7032d512 PK |
220 | msm_device_otg.dev.platform_data = &msm_otg_pdata; |
221 | msm_device_hsusb.dev.parent = &msm_device_otg.dev; | |
222 | msm_device_hsusb_host.dev.parent = &msm_device_otg.dev; | |
a32d2feb | 223 | platform_add_devices(devices, ARRAY_SIZE(devices)); |
8b4d95fc | 224 | qsd8x50_init_mmc(); |
a32d2feb DW |
225 | } |
226 | ||
c633c531 SG |
227 | static void __init qsd8x50_init_late(void) |
228 | { | |
229 | smd_debugfs_init(); | |
230 | } | |
231 | ||
a32d2feb | 232 | MACHINE_START(QSD8X50_SURF, "QCT QSD8X50 SURF") |
f631dd41 | 233 | .atag_offset = 0x100, |
a32d2feb DW |
234 | .map_io = qsd8x50_map_io, |
235 | .init_irq = qsd8x50_init_irq, | |
236 | .init_machine = qsd8x50_init, | |
c633c531 | 237 | .init_late = qsd8x50_init_late, |
6bb27d73 | 238 | .init_time = qsd8x50_timer_init, |
a32d2feb DW |
239 | MACHINE_END |
240 | ||
d1c0d43d | 241 | MACHINE_START(QSD8X50A_ST1_5, "QCT QSD8X50A ST1.5") |
f631dd41 | 242 | .atag_offset = 0x100, |
a32d2feb DW |
243 | .map_io = qsd8x50_map_io, |
244 | .init_irq = qsd8x50_init_irq, | |
245 | .init_machine = qsd8x50_init, | |
c633c531 | 246 | .init_late = qsd8x50_init_late, |
6bb27d73 | 247 | .init_time = qsd8x50_timer_init, |
a32d2feb | 248 | MACHINE_END |