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d40f3f15 TN |
1 | /* |
2 | * linux/arch/arm/mach-omap2/board-omap3logic.c | |
3 | * | |
4 | * Copyright (C) 2010 Li-Pro.Net | |
5 | * Stephan Linz <linz@li-pro.net> | |
6 | * | |
44bb3198 | 7 | * Copyright (C) 2010-2012 Logic Product Development, Inc. |
d40f3f15 | 8 | * Peter Barada <peter.barada@logicpd.com> |
44bb3198 | 9 | * Ashwin BIhari <ashwin.bihari@logicpd.com> |
d40f3f15 TN |
10 | * |
11 | * Modified from Beagle, EVM, and RX51 | |
12 | * | |
13 | * This program is free software; you can redistribute it and/or modify | |
14 | * it under the terms of the GNU General Public License version 2 as | |
15 | * published by the Free Software Foundation. | |
16 | */ | |
17 | ||
18 | #include <linux/kernel.h> | |
19 | #include <linux/init.h> | |
20 | #include <linux/platform_device.h> | |
21 | #include <linux/delay.h> | |
22 | #include <linux/err.h> | |
23 | #include <linux/clk.h> | |
24 | #include <linux/io.h> | |
25 | #include <linux/gpio.h> | |
26 | ||
5b3689f4 | 27 | #include <linux/regulator/fixed.h> |
d40f3f15 TN |
28 | #include <linux/regulator/machine.h> |
29 | ||
30 | #include <linux/i2c/twl.h> | |
8430281b | 31 | #include <linux/mmc/host.h> |
51482be9 | 32 | #include <linux/usb/phy.h> |
d40f3f15 | 33 | |
d40f3f15 TN |
34 | #include <asm/mach-types.h> |
35 | #include <asm/mach/arch.h> | |
36 | #include <asm/mach/map.h> | |
37 | ||
dbc04161 TL |
38 | #include "common.h" |
39 | #include "mux.h" | |
40 | #include "hsmmc.h" | |
41 | #include "control.h" | |
42 | #include "common-board-devices.h" | |
6832c955 TL |
43 | #include "gpmc.h" |
44 | #include "gpmc-smsc911x.h" | |
dbc04161 | 45 | |
d40f3f15 TN |
46 | #define OMAP3LOGIC_SMSC911X_CS 1 |
47 | ||
48 | #define OMAP3530_LV_SOM_MMC_GPIO_CD 110 | |
49 | #define OMAP3530_LV_SOM_MMC_GPIO_WP 126 | |
50 | #define OMAP3530_LV_SOM_SMSC911X_GPIO_IRQ 152 | |
51 | ||
52 | #define OMAP3_TORPEDO_MMC_GPIO_CD 127 | |
53 | #define OMAP3_TORPEDO_SMSC911X_GPIO_IRQ 129 | |
54 | ||
786b01a8 OD |
55 | static struct regulator_consumer_supply omap3logic_vmmc1_supply[] = { |
56 | REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"), | |
d40f3f15 TN |
57 | }; |
58 | ||
59 | /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ | |
60 | static struct regulator_init_data omap3logic_vmmc1 = { | |
61 | .constraints = { | |
62 | .name = "VMMC1", | |
63 | .min_uV = 1850000, | |
64 | .max_uV = 3150000, | |
65 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
66 | | REGULATOR_MODE_STANDBY, | |
67 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
68 | | REGULATOR_CHANGE_MODE | |
69 | | REGULATOR_CHANGE_STATUS, | |
70 | }, | |
786b01a8 OD |
71 | .num_consumer_supplies = ARRAY_SIZE(omap3logic_vmmc1_supply), |
72 | .consumer_supplies = omap3logic_vmmc1_supply, | |
d40f3f15 TN |
73 | }; |
74 | ||
75 | static struct twl4030_gpio_platform_data omap3logic_gpio_data = { | |
d40f3f15 TN |
76 | .use_leds = true, |
77 | .pullups = BIT(1), | |
78 | .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | |
79 | | BIT(13) | BIT(15) | BIT(16) | BIT(17), | |
80 | }; | |
81 | ||
44bb3198 AB |
82 | static struct twl4030_usb_data omap3logic_usb_data = { |
83 | .usb_mode = T2_USB_MODE_ULPI, | |
84 | }; | |
85 | ||
86 | ||
d40f3f15 | 87 | static struct twl4030_platform_data omap3logic_twldata = { |
d40f3f15 TN |
88 | /* platform_data for children goes here */ |
89 | .gpio = &omap3logic_gpio_data, | |
8430281b | 90 | .vmmc1 = &omap3logic_vmmc1, |
44bb3198 | 91 | .usb = &omap3logic_usb_data, |
d40f3f15 TN |
92 | }; |
93 | ||
d40f3f15 TN |
94 | static int __init omap3logic_i2c_init(void) |
95 | { | |
fbd8071c | 96 | omap3_pmic_init("twl4030", &omap3logic_twldata); |
d40f3f15 TN |
97 | return 0; |
98 | } | |
99 | ||
8430281b TN |
100 | static struct omap2_hsmmc_info __initdata board_mmc_info[] = { |
101 | { | |
102 | .name = "external", | |
103 | .mmc = 1, | |
104 | .caps = MMC_CAP_4_BIT_DATA, | |
105 | .gpio_cd = -EINVAL, | |
106 | .gpio_wp = -EINVAL, | |
107 | }, | |
108 | {} /* Terminator */ | |
109 | }; | |
110 | ||
111 | static void __init board_mmc_init(void) | |
112 | { | |
113 | if (machine_is_omap3530_lv_som()) { | |
114 | /* OMAP3530 LV SOM board */ | |
115 | board_mmc_info[0].gpio_cd = OMAP3530_LV_SOM_MMC_GPIO_CD; | |
116 | board_mmc_info[0].gpio_wp = OMAP3530_LV_SOM_MMC_GPIO_WP; | |
117 | omap_mux_init_signal("gpio_110", OMAP_PIN_OUTPUT); | |
118 | omap_mux_init_signal("gpio_126", OMAP_PIN_OUTPUT); | |
119 | } else if (machine_is_omap3_torpedo()) { | |
120 | /* OMAP3 Torpedo board */ | |
121 | board_mmc_info[0].gpio_cd = OMAP3_TORPEDO_MMC_GPIO_CD; | |
122 | omap_mux_init_signal("gpio_127", OMAP_PIN_OUTPUT); | |
123 | } else { | |
124 | /* unsupported board */ | |
125 | printk(KERN_ERR "%s(): unknown machine type\n", __func__); | |
126 | return; | |
127 | } | |
128 | ||
3b972bf0 | 129 | omap_hsmmc_init(board_mmc_info); |
8430281b TN |
130 | } |
131 | ||
26428b5c TN |
132 | static struct omap_smsc911x_platform_data __initdata board_smsc911x_data = { |
133 | .cs = OMAP3LOGIC_SMSC911X_CS, | |
134 | .gpio_irq = -EINVAL, | |
135 | .gpio_reset = -EINVAL, | |
26428b5c TN |
136 | }; |
137 | ||
138 | /* TODO/FIXME (comment by Peter Barada, LogicPD): | |
139 | * Fix the PBIAS voltage for Torpedo MMC1 pins that | |
140 | * are used for other needs (IRQs, etc). */ | |
141 | static void omap3torpedo_fix_pbias_voltage(void) | |
142 | { | |
143 | u16 control_pbias_offset = OMAP343X_CONTROL_PBIAS_LITE; | |
144 | u32 reg; | |
145 | ||
146 | if (machine_is_omap3_torpedo()) | |
147 | { | |
148 | /* Set the bias for the pin */ | |
149 | reg = omap_ctrl_readl(control_pbias_offset); | |
150 | ||
151 | reg &= ~OMAP343X_PBIASLITEPWRDNZ1; | |
152 | omap_ctrl_writel(reg, control_pbias_offset); | |
153 | ||
154 | /* 100ms delay required for PBIAS configuration */ | |
155 | msleep(100); | |
156 | ||
157 | reg |= OMAP343X_PBIASLITEVMODE1; | |
158 | reg |= OMAP343X_PBIASLITEPWRDNZ1; | |
159 | omap_ctrl_writel(reg | 0x300, control_pbias_offset); | |
160 | } | |
161 | } | |
162 | ||
163 | static inline void __init board_smsc911x_init(void) | |
164 | { | |
165 | if (machine_is_omap3530_lv_som()) { | |
166 | /* OMAP3530 LV SOM board */ | |
167 | board_smsc911x_data.gpio_irq = | |
168 | OMAP3530_LV_SOM_SMSC911X_GPIO_IRQ; | |
169 | omap_mux_init_signal("gpio_152", OMAP_PIN_INPUT); | |
170 | } else if (machine_is_omap3_torpedo()) { | |
171 | /* OMAP3 Torpedo board */ | |
172 | board_smsc911x_data.gpio_irq = OMAP3_TORPEDO_SMSC911X_GPIO_IRQ; | |
173 | omap_mux_init_signal("gpio_129", OMAP_PIN_INPUT); | |
174 | } else { | |
175 | /* unsupported board */ | |
176 | printk(KERN_ERR "%s(): unknown machine type\n", __func__); | |
177 | return; | |
178 | } | |
179 | ||
180 | gpmc_smsc911x_init(&board_smsc911x_data); | |
181 | } | |
182 | ||
26428b5c TN |
183 | #ifdef CONFIG_OMAP_MUX |
184 | static struct omap_board_mux board_mux[] __initdata = { | |
44bb3198 AB |
185 | /* mUSB */ |
186 | OMAP3_MUX(HSUSB0_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT), | |
187 | OMAP3_MUX(HSUSB0_STP, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT), | |
188 | OMAP3_MUX(HSUSB0_DIR, OMAP_MUX_MODE0 | OMAP_PIN_INPUT), | |
189 | OMAP3_MUX(HSUSB0_NXT, OMAP_MUX_MODE0 | OMAP_PIN_INPUT), | |
190 | OMAP3_MUX(HSUSB0_DATA0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT), | |
191 | OMAP3_MUX(HSUSB0_DATA1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT), | |
192 | OMAP3_MUX(HSUSB0_DATA2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT), | |
193 | OMAP3_MUX(HSUSB0_DATA3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT), | |
194 | OMAP3_MUX(HSUSB0_DATA4, OMAP_MUX_MODE0 | OMAP_PIN_INPUT), | |
195 | OMAP3_MUX(HSUSB0_DATA5, OMAP_MUX_MODE0 | OMAP_PIN_INPUT), | |
196 | OMAP3_MUX(HSUSB0_DATA6, OMAP_MUX_MODE0 | OMAP_PIN_INPUT), | |
197 | OMAP3_MUX(HSUSB0_DATA7, OMAP_MUX_MODE0 | OMAP_PIN_INPUT), | |
198 | ||
26428b5c TN |
199 | { .reg_offset = OMAP_MUX_TERMINATOR }, |
200 | }; | |
26428b5c TN |
201 | #endif |
202 | ||
5b3689f4 RD |
203 | static struct regulator_consumer_supply dummy_supplies[] = { |
204 | REGULATOR_SUPPLY("vddvario", "smsc911x.0"), | |
205 | REGULATOR_SUPPLY("vdd33a", "smsc911x.0"), | |
206 | }; | |
207 | ||
d40f3f15 TN |
208 | static void __init omap3logic_init(void) |
209 | { | |
5b3689f4 | 210 | regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); |
26428b5c TN |
211 | omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); |
212 | omap3torpedo_fix_pbias_voltage(); | |
d40f3f15 TN |
213 | omap3logic_i2c_init(); |
214 | omap_serial_init(); | |
a4ca9dbe | 215 | omap_sdrc_init(NULL, NULL); |
8430281b | 216 | board_mmc_init(); |
26428b5c TN |
217 | board_smsc911x_init(); |
218 | ||
51482be9 | 219 | usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb"); |
44bb3198 AB |
220 | usb_musb_init(NULL); |
221 | ||
d40f3f15 TN |
222 | /* Ensure SDRC pins are mux'd for self-refresh */ |
223 | omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT); | |
224 | omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT); | |
225 | } | |
226 | ||
227 | MACHINE_START(OMAP3_TORPEDO, "Logic OMAP3 Torpedo board") | |
5e52b435 | 228 | .atag_offset = 0x100, |
afbb1893 | 229 | .reserve = omap_reserve, |
d40f3f15 | 230 | .map_io = omap3_map_io, |
8f5b5a41 | 231 | .init_early = omap35xx_init_early, |
741e3a89 | 232 | .init_irq = omap3_init_irq, |
6b2f55d7 | 233 | .handle_irq = omap3_intc_handle_irq, |
d40f3f15 | 234 | .init_machine = omap3logic_init, |
bbd707ac | 235 | .init_late = omap35xx_init_late, |
6bb27d73 | 236 | .init_time = omap3_sync32k_timer_init, |
187e3e06 | 237 | .restart = omap3xxx_restart, |
d40f3f15 TN |
238 | MACHINE_END |
239 | ||
240 | MACHINE_START(OMAP3530_LV_SOM, "OMAP Logic 3530 LV SOM board") | |
5e52b435 | 241 | .atag_offset = 0x100, |
afbb1893 | 242 | .reserve = omap_reserve, |
d40f3f15 | 243 | .map_io = omap3_map_io, |
8f5b5a41 | 244 | .init_early = omap35xx_init_early, |
741e3a89 | 245 | .init_irq = omap3_init_irq, |
6b2f55d7 | 246 | .handle_irq = omap3_intc_handle_irq, |
d40f3f15 | 247 | .init_machine = omap3logic_init, |
bbd707ac | 248 | .init_late = omap35xx_init_late, |
6bb27d73 | 249 | .init_time = omap3_sync32k_timer_init, |
187e3e06 | 250 | .restart = omap3xxx_restart, |
d40f3f15 | 251 | MACHINE_END |