Linux 3.5-rc5
[deliverable/linux.git] / arch / arm / mach-omap2 / board-omap3logic.c
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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>
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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>
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28#include <linux/regulator/machine.h>
29
30#include <linux/i2c/twl.h>
8430281b 31#include <linux/mmc/host.h>
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32
33#include <mach/hardware.h>
34#include <asm/mach-types.h>
35#include <asm/mach/arch.h>
36#include <asm/mach/map.h>
37
38#include "mux.h"
8430281b 39#include "hsmmc.h"
4814ced5 40#include "control.h"
fbd8071c 41#include "common-board-devices.h"
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42
43#include <plat/mux.h>
44#include <plat/board.h>
4e65331c 45#include "common.h"
26428b5c 46#include <plat/gpmc-smsc911x.h>
d40f3f15 47#include <plat/gpmc.h>
d40f3f15 48#include <plat/sdrc.h>
44bb3198 49#include <plat/usb.h>
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50
51#define OMAP3LOGIC_SMSC911X_CS 1
52
53#define OMAP3530_LV_SOM_MMC_GPIO_CD 110
54#define OMAP3530_LV_SOM_MMC_GPIO_WP 126
55#define OMAP3530_LV_SOM_SMSC911X_GPIO_IRQ 152
56
57#define OMAP3_TORPEDO_MMC_GPIO_CD 127
58#define OMAP3_TORPEDO_SMSC911X_GPIO_IRQ 129
59
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OD
60static struct regulator_consumer_supply omap3logic_vmmc1_supply[] = {
61 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
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62};
63
64/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
65static struct regulator_init_data omap3logic_vmmc1 = {
66 .constraints = {
67 .name = "VMMC1",
68 .min_uV = 1850000,
69 .max_uV = 3150000,
70 .valid_modes_mask = REGULATOR_MODE_NORMAL
71 | REGULATOR_MODE_STANDBY,
72 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
73 | REGULATOR_CHANGE_MODE
74 | REGULATOR_CHANGE_STATUS,
75 },
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76 .num_consumer_supplies = ARRAY_SIZE(omap3logic_vmmc1_supply),
77 .consumer_supplies = omap3logic_vmmc1_supply,
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78};
79
80static struct twl4030_gpio_platform_data omap3logic_gpio_data = {
81 .gpio_base = OMAP_MAX_GPIO_LINES,
82 .irq_base = TWL4030_GPIO_IRQ_BASE,
83 .irq_end = TWL4030_GPIO_IRQ_END,
84 .use_leds = true,
85 .pullups = BIT(1),
86 .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8)
87 | BIT(13) | BIT(15) | BIT(16) | BIT(17),
88};
89
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90static struct twl4030_usb_data omap3logic_usb_data = {
91 .usb_mode = T2_USB_MODE_ULPI,
92};
93
94
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95static struct twl4030_platform_data omap3logic_twldata = {
96 .irq_base = TWL4030_IRQ_BASE,
97 .irq_end = TWL4030_IRQ_END,
98
99 /* platform_data for children goes here */
100 .gpio = &omap3logic_gpio_data,
8430281b 101 .vmmc1 = &omap3logic_vmmc1,
44bb3198 102 .usb = &omap3logic_usb_data,
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103};
104
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105static int __init omap3logic_i2c_init(void)
106{
fbd8071c 107 omap3_pmic_init("twl4030", &omap3logic_twldata);
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108 return 0;
109}
110
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111static struct omap2_hsmmc_info __initdata board_mmc_info[] = {
112 {
113 .name = "external",
114 .mmc = 1,
115 .caps = MMC_CAP_4_BIT_DATA,
116 .gpio_cd = -EINVAL,
117 .gpio_wp = -EINVAL,
118 },
119 {} /* Terminator */
120};
121
122static void __init board_mmc_init(void)
123{
124 if (machine_is_omap3530_lv_som()) {
125 /* OMAP3530 LV SOM board */
126 board_mmc_info[0].gpio_cd = OMAP3530_LV_SOM_MMC_GPIO_CD;
127 board_mmc_info[0].gpio_wp = OMAP3530_LV_SOM_MMC_GPIO_WP;
128 omap_mux_init_signal("gpio_110", OMAP_PIN_OUTPUT);
129 omap_mux_init_signal("gpio_126", OMAP_PIN_OUTPUT);
130 } else if (machine_is_omap3_torpedo()) {
131 /* OMAP3 Torpedo board */
132 board_mmc_info[0].gpio_cd = OMAP3_TORPEDO_MMC_GPIO_CD;
133 omap_mux_init_signal("gpio_127", OMAP_PIN_OUTPUT);
134 } else {
135 /* unsupported board */
136 printk(KERN_ERR "%s(): unknown machine type\n", __func__);
137 return;
138 }
139
3b972bf0 140 omap_hsmmc_init(board_mmc_info);
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141}
142
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143static struct omap_smsc911x_platform_data __initdata board_smsc911x_data = {
144 .cs = OMAP3LOGIC_SMSC911X_CS,
145 .gpio_irq = -EINVAL,
146 .gpio_reset = -EINVAL,
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147};
148
149/* TODO/FIXME (comment by Peter Barada, LogicPD):
150 * Fix the PBIAS voltage for Torpedo MMC1 pins that
151 * are used for other needs (IRQs, etc). */
152static void omap3torpedo_fix_pbias_voltage(void)
153{
154 u16 control_pbias_offset = OMAP343X_CONTROL_PBIAS_LITE;
155 u32 reg;
156
157 if (machine_is_omap3_torpedo())
158 {
159 /* Set the bias for the pin */
160 reg = omap_ctrl_readl(control_pbias_offset);
161
162 reg &= ~OMAP343X_PBIASLITEPWRDNZ1;
163 omap_ctrl_writel(reg, control_pbias_offset);
164
165 /* 100ms delay required for PBIAS configuration */
166 msleep(100);
167
168 reg |= OMAP343X_PBIASLITEVMODE1;
169 reg |= OMAP343X_PBIASLITEPWRDNZ1;
170 omap_ctrl_writel(reg | 0x300, control_pbias_offset);
171 }
172}
173
174static inline void __init board_smsc911x_init(void)
175{
176 if (machine_is_omap3530_lv_som()) {
177 /* OMAP3530 LV SOM board */
178 board_smsc911x_data.gpio_irq =
179 OMAP3530_LV_SOM_SMSC911X_GPIO_IRQ;
180 omap_mux_init_signal("gpio_152", OMAP_PIN_INPUT);
181 } else if (machine_is_omap3_torpedo()) {
182 /* OMAP3 Torpedo board */
183 board_smsc911x_data.gpio_irq = OMAP3_TORPEDO_SMSC911X_GPIO_IRQ;
184 omap_mux_init_signal("gpio_129", OMAP_PIN_INPUT);
185 } else {
186 /* unsupported board */
187 printk(KERN_ERR "%s(): unknown machine type\n", __func__);
188 return;
189 }
190
191 gpmc_smsc911x_init(&board_smsc911x_data);
192}
193
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194#ifdef CONFIG_OMAP_MUX
195static struct omap_board_mux board_mux[] __initdata = {
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196 /* mUSB */
197 OMAP3_MUX(HSUSB0_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
198 OMAP3_MUX(HSUSB0_STP, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
199 OMAP3_MUX(HSUSB0_DIR, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
200 OMAP3_MUX(HSUSB0_NXT, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
201 OMAP3_MUX(HSUSB0_DATA0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
202 OMAP3_MUX(HSUSB0_DATA1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
203 OMAP3_MUX(HSUSB0_DATA2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
204 OMAP3_MUX(HSUSB0_DATA3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
205 OMAP3_MUX(HSUSB0_DATA4, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
206 OMAP3_MUX(HSUSB0_DATA5, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
207 OMAP3_MUX(HSUSB0_DATA6, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
208 OMAP3_MUX(HSUSB0_DATA7, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
209
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210 { .reg_offset = OMAP_MUX_TERMINATOR },
211};
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212#endif
213
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214static struct regulator_consumer_supply dummy_supplies[] = {
215 REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
216 REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
217};
218
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219static void __init omap3logic_init(void)
220{
5b3689f4 221 regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
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222 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
223 omap3torpedo_fix_pbias_voltage();
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224 omap3logic_i2c_init();
225 omap_serial_init();
a4ca9dbe 226 omap_sdrc_init(NULL, NULL);
8430281b 227 board_mmc_init();
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228 board_smsc911x_init();
229
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230 usb_musb_init(NULL);
231
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232 /* Ensure SDRC pins are mux'd for self-refresh */
233 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
234 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
235}
236
237MACHINE_START(OMAP3_TORPEDO, "Logic OMAP3 Torpedo board")
5e52b435 238 .atag_offset = 0x100,
afbb1893 239 .reserve = omap_reserve,
d40f3f15 240 .map_io = omap3_map_io,
8f5b5a41 241 .init_early = omap35xx_init_early,
741e3a89 242 .init_irq = omap3_init_irq,
6b2f55d7 243 .handle_irq = omap3_intc_handle_irq,
d40f3f15 244 .init_machine = omap3logic_init,
bbd707ac 245 .init_late = omap35xx_init_late,
e74984e4 246 .timer = &omap3_timer,
baa95883 247 .restart = omap_prcm_restart,
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248MACHINE_END
249
250MACHINE_START(OMAP3530_LV_SOM, "OMAP Logic 3530 LV SOM board")
5e52b435 251 .atag_offset = 0x100,
afbb1893 252 .reserve = omap_reserve,
d40f3f15 253 .map_io = omap3_map_io,
8f5b5a41 254 .init_early = omap35xx_init_early,
741e3a89 255 .init_irq = omap3_init_irq,
6b2f55d7 256 .handle_irq = omap3_intc_handle_irq,
d40f3f15 257 .init_machine = omap3logic_init,
bbd707ac 258 .init_late = omap35xx_init_late,
e74984e4 259 .timer = &omap3_timer,
baa95883 260 .restart = omap_prcm_restart,
d40f3f15 261MACHINE_END
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