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 Logic Product Development, Inc.
8 * Peter Barada <peter.barada@logicpd.com>
10 * Modified from Beagle, EVM, and RX51
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
17 #include <linux/kernel.h>
18 #include <linux/init.h>
19 #include <linux/platform_device.h>
20 #include <linux/delay.h>
21 #include <linux/err.h>
22 #include <linux/clk.h>
24 #include <linux/gpio.h>
26 #include <linux/regulator/machine.h>
28 #include <linux/i2c/twl.h>
29 #include <linux/mmc/host.h>
31 #include <mach/hardware.h>
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/map.h>
39 #include "common-board-devices.h"
42 #include <plat/board.h>
43 #include <plat/common.h>
44 #include <plat/gpmc-smsc911x.h>
45 #include <plat/gpmc.h>
46 #include <plat/sdrc.h>
48 #define OMAP3LOGIC_SMSC911X_CS 1
50 #define OMAP3530_LV_SOM_MMC_GPIO_CD 110
51 #define OMAP3530_LV_SOM_MMC_GPIO_WP 126
52 #define OMAP3530_LV_SOM_SMSC911X_GPIO_IRQ 152
54 #define OMAP3_TORPEDO_MMC_GPIO_CD 127
55 #define OMAP3_TORPEDO_SMSC911X_GPIO_IRQ 129
57 static struct regulator_consumer_supply omap3logic_vmmc1_supply
[] = {
58 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
61 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
62 static struct regulator_init_data omap3logic_vmmc1
= {
67 .valid_modes_mask
= REGULATOR_MODE_NORMAL
68 | REGULATOR_MODE_STANDBY
,
69 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
70 | REGULATOR_CHANGE_MODE
71 | REGULATOR_CHANGE_STATUS
,
73 .num_consumer_supplies
= ARRAY_SIZE(omap3logic_vmmc1_supply
),
74 .consumer_supplies
= omap3logic_vmmc1_supply
,
77 static struct twl4030_gpio_platform_data omap3logic_gpio_data
= {
78 .gpio_base
= OMAP_MAX_GPIO_LINES
,
79 .irq_base
= TWL4030_GPIO_IRQ_BASE
,
80 .irq_end
= TWL4030_GPIO_IRQ_END
,
83 .pulldowns
= BIT(2) | BIT(6) | BIT(7) | BIT(8)
84 | BIT(13) | BIT(15) | BIT(16) | BIT(17),
87 static struct twl4030_platform_data omap3logic_twldata
= {
88 .irq_base
= TWL4030_IRQ_BASE
,
89 .irq_end
= TWL4030_IRQ_END
,
91 /* platform_data for children goes here */
92 .gpio
= &omap3logic_gpio_data
,
93 .vmmc1
= &omap3logic_vmmc1
,
96 static int __init
omap3logic_i2c_init(void)
98 omap3_pmic_init("twl4030", &omap3logic_twldata
);
102 static struct omap2_hsmmc_info __initdata board_mmc_info
[] = {
106 .caps
= MMC_CAP_4_BIT_DATA
,
113 static void __init
board_mmc_init(void)
115 if (machine_is_omap3530_lv_som()) {
116 /* OMAP3530 LV SOM board */
117 board_mmc_info
[0].gpio_cd
= OMAP3530_LV_SOM_MMC_GPIO_CD
;
118 board_mmc_info
[0].gpio_wp
= OMAP3530_LV_SOM_MMC_GPIO_WP
;
119 omap_mux_init_signal("gpio_110", OMAP_PIN_OUTPUT
);
120 omap_mux_init_signal("gpio_126", OMAP_PIN_OUTPUT
);
121 } else if (machine_is_omap3_torpedo()) {
122 /* OMAP3 Torpedo board */
123 board_mmc_info
[0].gpio_cd
= OMAP3_TORPEDO_MMC_GPIO_CD
;
124 omap_mux_init_signal("gpio_127", OMAP_PIN_OUTPUT
);
126 /* unsupported board */
127 printk(KERN_ERR
"%s(): unknown machine type\n", __func__
);
131 omap2_hsmmc_init(board_mmc_info
);
134 static struct omap_smsc911x_platform_data __initdata board_smsc911x_data
= {
135 .cs
= OMAP3LOGIC_SMSC911X_CS
,
137 .gpio_reset
= -EINVAL
,
140 /* TODO/FIXME (comment by Peter Barada, LogicPD):
141 * Fix the PBIAS voltage for Torpedo MMC1 pins that
142 * are used for other needs (IRQs, etc). */
143 static void omap3torpedo_fix_pbias_voltage(void)
145 u16 control_pbias_offset
= OMAP343X_CONTROL_PBIAS_LITE
;
148 if (machine_is_omap3_torpedo())
150 /* Set the bias for the pin */
151 reg
= omap_ctrl_readl(control_pbias_offset
);
153 reg
&= ~OMAP343X_PBIASLITEPWRDNZ1
;
154 omap_ctrl_writel(reg
, control_pbias_offset
);
156 /* 100ms delay required for PBIAS configuration */
159 reg
|= OMAP343X_PBIASLITEVMODE1
;
160 reg
|= OMAP343X_PBIASLITEPWRDNZ1
;
161 omap_ctrl_writel(reg
| 0x300, control_pbias_offset
);
165 static inline void __init
board_smsc911x_init(void)
167 if (machine_is_omap3530_lv_som()) {
168 /* OMAP3530 LV SOM board */
169 board_smsc911x_data
.gpio_irq
=
170 OMAP3530_LV_SOM_SMSC911X_GPIO_IRQ
;
171 omap_mux_init_signal("gpio_152", OMAP_PIN_INPUT
);
172 } else if (machine_is_omap3_torpedo()) {
173 /* OMAP3 Torpedo board */
174 board_smsc911x_data
.gpio_irq
= OMAP3_TORPEDO_SMSC911X_GPIO_IRQ
;
175 omap_mux_init_signal("gpio_129", OMAP_PIN_INPUT
);
177 /* unsupported board */
178 printk(KERN_ERR
"%s(): unknown machine type\n", __func__
);
182 gpmc_smsc911x_init(&board_smsc911x_data
);
185 static void __init
omap3logic_init_early(void)
187 omap2_init_common_infrastructure();
190 #ifdef CONFIG_OMAP_MUX
191 static struct omap_board_mux board_mux
[] __initdata
= {
192 { .reg_offset
= OMAP_MUX_TERMINATOR
},
196 static void __init
omap3logic_init(void)
198 omap3_mux_init(board_mux
, OMAP_PACKAGE_CBB
);
199 omap3torpedo_fix_pbias_voltage();
200 omap3logic_i2c_init();
202 omap_sdrc_init(NULL
, NULL
);
204 board_smsc911x_init();
206 /* Ensure SDRC pins are mux'd for self-refresh */
207 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT
);
208 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT
);
211 MACHINE_START(OMAP3_TORPEDO
, "Logic OMAP3 Torpedo board")
212 .boot_params
= 0x80000100,
213 .map_io
= omap3_map_io
,
214 .init_early
= omap3logic_init_early
,
215 .init_irq
= omap3_init_irq
,
216 .init_machine
= omap3logic_init
,
217 .timer
= &omap3_timer
,
220 MACHINE_START(OMAP3530_LV_SOM
, "OMAP Logic 3530 LV SOM board")
221 .boot_params
= 0x80000100,
222 .map_io
= omap3_map_io
,
223 .init_early
= omap3logic_init_early
,
224 .init_irq
= omap3_init_irq
,
225 .init_machine
= omap3logic_init
,
226 .timer
= &omap3_timer
,