2 * linux/arch/arm/mach-omap2/board-omap3logic.c
4 * Copyright (C) 2010 Li-Pro.Net
5 * Stephan Linz <linz@li-pro.net>
7 * Copyright (C) 2010-2012 Logic Product Development, Inc.
8 * Peter Barada <peter.barada@logicpd.com>
9 * Ashwin BIhari <ashwin.bihari@logicpd.com>
11 * Modified from Beagle, EVM, and RX51
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.
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>
25 #include <linux/gpio.h>
27 #include <linux/regulator/fixed.h>
28 #include <linux/regulator/machine.h>
30 #include <linux/i2c/twl.h>
31 #include <linux/mmc/host.h>
33 #include <mach/hardware.h>
34 #include <asm/mach-types.h>
35 #include <asm/mach/arch.h>
36 #include <asm/mach/map.h>
41 #include "common-board-devices.h"
45 #include <plat/gpmc-smsc911x.h>
46 #include <plat/gpmc.h>
47 #include <plat/sdrc.h>
50 #define OMAP3LOGIC_SMSC911X_CS 1
52 #define OMAP3530_LV_SOM_MMC_GPIO_CD 110
53 #define OMAP3530_LV_SOM_MMC_GPIO_WP 126
54 #define OMAP3530_LV_SOM_SMSC911X_GPIO_IRQ 152
56 #define OMAP3_TORPEDO_MMC_GPIO_CD 127
57 #define OMAP3_TORPEDO_SMSC911X_GPIO_IRQ 129
59 static struct regulator_consumer_supply omap3logic_vmmc1_supply
[] = {
60 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
63 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
64 static struct regulator_init_data omap3logic_vmmc1
= {
69 .valid_modes_mask
= REGULATOR_MODE_NORMAL
70 | REGULATOR_MODE_STANDBY
,
71 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
72 | REGULATOR_CHANGE_MODE
73 | REGULATOR_CHANGE_STATUS
,
75 .num_consumer_supplies
= ARRAY_SIZE(omap3logic_vmmc1_supply
),
76 .consumer_supplies
= omap3logic_vmmc1_supply
,
79 static struct twl4030_gpio_platform_data omap3logic_gpio_data
= {
82 .pulldowns
= BIT(2) | BIT(6) | BIT(7) | BIT(8)
83 | BIT(13) | BIT(15) | BIT(16) | BIT(17),
86 static struct twl4030_usb_data omap3logic_usb_data
= {
87 .usb_mode
= T2_USB_MODE_ULPI
,
91 static struct twl4030_platform_data omap3logic_twldata
= {
92 /* platform_data for children goes here */
93 .gpio
= &omap3logic_gpio_data
,
94 .vmmc1
= &omap3logic_vmmc1
,
95 .usb
= &omap3logic_usb_data
,
98 static int __init
omap3logic_i2c_init(void)
100 omap3_pmic_init("twl4030", &omap3logic_twldata
);
104 static struct omap2_hsmmc_info __initdata board_mmc_info
[] = {
108 .caps
= MMC_CAP_4_BIT_DATA
,
115 static void __init
board_mmc_init(void)
117 if (machine_is_omap3530_lv_som()) {
118 /* OMAP3530 LV SOM board */
119 board_mmc_info
[0].gpio_cd
= OMAP3530_LV_SOM_MMC_GPIO_CD
;
120 board_mmc_info
[0].gpio_wp
= OMAP3530_LV_SOM_MMC_GPIO_WP
;
121 omap_mux_init_signal("gpio_110", OMAP_PIN_OUTPUT
);
122 omap_mux_init_signal("gpio_126", OMAP_PIN_OUTPUT
);
123 } else if (machine_is_omap3_torpedo()) {
124 /* OMAP3 Torpedo board */
125 board_mmc_info
[0].gpio_cd
= OMAP3_TORPEDO_MMC_GPIO_CD
;
126 omap_mux_init_signal("gpio_127", OMAP_PIN_OUTPUT
);
128 /* unsupported board */
129 printk(KERN_ERR
"%s(): unknown machine type\n", __func__
);
133 omap_hsmmc_init(board_mmc_info
);
136 static struct omap_smsc911x_platform_data __initdata board_smsc911x_data
= {
137 .cs
= OMAP3LOGIC_SMSC911X_CS
,
139 .gpio_reset
= -EINVAL
,
142 /* TODO/FIXME (comment by Peter Barada, LogicPD):
143 * Fix the PBIAS voltage for Torpedo MMC1 pins that
144 * are used for other needs (IRQs, etc). */
145 static void omap3torpedo_fix_pbias_voltage(void)
147 u16 control_pbias_offset
= OMAP343X_CONTROL_PBIAS_LITE
;
150 if (machine_is_omap3_torpedo())
152 /* Set the bias for the pin */
153 reg
= omap_ctrl_readl(control_pbias_offset
);
155 reg
&= ~OMAP343X_PBIASLITEPWRDNZ1
;
156 omap_ctrl_writel(reg
, control_pbias_offset
);
158 /* 100ms delay required for PBIAS configuration */
161 reg
|= OMAP343X_PBIASLITEVMODE1
;
162 reg
|= OMAP343X_PBIASLITEPWRDNZ1
;
163 omap_ctrl_writel(reg
| 0x300, control_pbias_offset
);
167 static inline void __init
board_smsc911x_init(void)
169 if (machine_is_omap3530_lv_som()) {
170 /* OMAP3530 LV SOM board */
171 board_smsc911x_data
.gpio_irq
=
172 OMAP3530_LV_SOM_SMSC911X_GPIO_IRQ
;
173 omap_mux_init_signal("gpio_152", OMAP_PIN_INPUT
);
174 } else if (machine_is_omap3_torpedo()) {
175 /* OMAP3 Torpedo board */
176 board_smsc911x_data
.gpio_irq
= OMAP3_TORPEDO_SMSC911X_GPIO_IRQ
;
177 omap_mux_init_signal("gpio_129", OMAP_PIN_INPUT
);
179 /* unsupported board */
180 printk(KERN_ERR
"%s(): unknown machine type\n", __func__
);
184 gpmc_smsc911x_init(&board_smsc911x_data
);
187 #ifdef CONFIG_OMAP_MUX
188 static struct omap_board_mux board_mux
[] __initdata
= {
190 OMAP3_MUX(HSUSB0_CLK
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT
),
191 OMAP3_MUX(HSUSB0_STP
, OMAP_MUX_MODE0
| OMAP_PIN_OUTPUT
),
192 OMAP3_MUX(HSUSB0_DIR
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT
),
193 OMAP3_MUX(HSUSB0_NXT
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT
),
194 OMAP3_MUX(HSUSB0_DATA0
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT
),
195 OMAP3_MUX(HSUSB0_DATA1
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT
),
196 OMAP3_MUX(HSUSB0_DATA2
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT
),
197 OMAP3_MUX(HSUSB0_DATA3
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT
),
198 OMAP3_MUX(HSUSB0_DATA4
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT
),
199 OMAP3_MUX(HSUSB0_DATA5
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT
),
200 OMAP3_MUX(HSUSB0_DATA6
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT
),
201 OMAP3_MUX(HSUSB0_DATA7
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT
),
203 { .reg_offset
= OMAP_MUX_TERMINATOR
},
207 static struct regulator_consumer_supply dummy_supplies
[] = {
208 REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
209 REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
212 static void __init
omap3logic_init(void)
214 regulator_register_fixed(0, dummy_supplies
, ARRAY_SIZE(dummy_supplies
));
215 omap3_mux_init(board_mux
, OMAP_PACKAGE_CBB
);
216 omap3torpedo_fix_pbias_voltage();
217 omap3logic_i2c_init();
219 omap_sdrc_init(NULL
, NULL
);
221 board_smsc911x_init();
225 /* Ensure SDRC pins are mux'd for self-refresh */
226 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT
);
227 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT
);
230 MACHINE_START(OMAP3_TORPEDO
, "Logic OMAP3 Torpedo board")
231 .atag_offset
= 0x100,
232 .reserve
= omap_reserve
,
233 .map_io
= omap3_map_io
,
234 .init_early
= omap35xx_init_early
,
235 .init_irq
= omap3_init_irq
,
236 .handle_irq
= omap3_intc_handle_irq
,
237 .init_machine
= omap3logic_init
,
238 .init_late
= omap35xx_init_late
,
239 .timer
= &omap3_timer
,
240 .restart
= omap_prcm_restart
,
243 MACHINE_START(OMAP3530_LV_SOM
, "OMAP Logic 3530 LV SOM board")
244 .atag_offset
= 0x100,
245 .reserve
= omap_reserve
,
246 .map_io
= omap3_map_io
,
247 .init_early
= omap35xx_init_early
,
248 .init_irq
= omap3_init_irq
,
249 .handle_irq
= omap3_intc_handle_irq
,
250 .init_machine
= omap3logic_init
,
251 .init_late
= omap35xx_init_late
,
252 .timer
= &omap3_timer
,
253 .restart
= omap_prcm_restart
,