1 /*
2 * linux/arch/arm/mach-pxa/tavorevb3.c
3 *
4 * Support for the Marvell EVB3 Development Platform.
5 *
6 * Copyright: (C) Copyright 2008-2010 Marvell International Ltd.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * publishhed by the Free Software Foundation.
11 */
12
13 #include <linux/init.h>
14 #include <linux/kernel.h>
15 #include <linux/platform_device.h>
16 #include <linux/interrupt.h>
17 #include <linux/i2c.h>
18 #include <linux/i2c/pxa-i2c.h>
19 #include <linux/gpio.h>
20 #include <linux/mfd/88pm860x.h>
21
22 #include <asm/mach-types.h>
23 #include <asm/mach/arch.h>
24
25 #include <mach/pxa930.h>
26
27 #include "devices.h"
28 #include "generic.h"
29
30 #define TAVOREVB3_NR_IRQS (IRQ_BOARD_START + 24)
31
32 static mfp_cfg_t evb3_mfp_cfg[] __initdata = {
33 /* UART */
34 GPIO53_UART1_TXD,
35 GPIO54_UART1_RXD,
36
37 /* PMIC */
38 PMIC_INT_GPIO83,
39 };
40
41 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
42 static struct pm860x_touch_pdata evb3_touch = {
43 .gpadc_prebias = 1,
44 .slot_cycle = 1,
45 .tsi_prebias = 6,
46 .pen_prebias = 16,
47 .pen_prechg = 2,
48 .res_x = 300,
49 };
50
51 static struct pm860x_backlight_pdata evb3_backlight[] = {
52 {
53 .id = PM8606_ID_BACKLIGHT,
54 .iset = PM8606_WLED_CURRENT(24),
55 .flags = PM8606_BACKLIGHT1,
56 },
57 {},
58 };
59
60 static struct pm860x_led_pdata evb3_led[] = {
61 {
62 .id = PM8606_ID_LED,
63 .iset = PM8606_LED_CURRENT(12),
64 .flags = PM8606_LED1_RED,
65 }, {
66 .id = PM8606_ID_LED,
67 .iset = PM8606_LED_CURRENT(12),
68 .flags = PM8606_LED1_GREEN,
69 }, {
70 .id = PM8606_ID_LED,
71 .iset = PM8606_LED_CURRENT(12),
72 .flags = PM8606_LED1_BLUE,
73 }, {
74 .id = PM8606_ID_LED,
75 .iset = PM8606_LED_CURRENT(12),
76 .flags = PM8606_LED2_RED,
77 }, {
78 .id = PM8606_ID_LED,
79 .iset = PM8606_LED_CURRENT(12),
80 .flags = PM8606_LED2_GREEN,
81 }, {
82 .id = PM8606_ID_LED,
83 .iset = PM8606_LED_CURRENT(12),
84 .flags = PM8606_LED2_BLUE,
85 },
86 };
87
88 static struct pm860x_platform_data evb3_pm8607_info = {
89 .touch = &evb3_touch,
90 .backlight = &evb3_backlight[0],
91 .led = &evb3_led[0],
92 .companion_addr = 0x10,
93 .irq_mode = 0,
94 .irq_base = IRQ_BOARD_START,
95
96 .i2c_port = GI2C_PORT,
97 };
98
99 static struct i2c_board_info evb3_i2c_info[] = {
100 {
101 .type = "88PM860x",
102 .addr = 0x34,
103 .platform_data = &evb3_pm8607_info,
104 .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO83)),
105 },
106 };
107
evb3_init_i2c(void)108 static void __init evb3_init_i2c(void)
109 {
110 pxa_set_i2c_info(NULL);
111 i2c_register_board_info(0, ARRAY_AND_SIZE(evb3_i2c_info));
112 }
113 #else
evb3_init_i2c(void)114 static inline void evb3_init_i2c(void) {}
115 #endif
116
evb3_init(void)117 static void __init evb3_init(void)
118 {
119 /* initialize MFP configurations */
120 pxa3xx_mfp_config(ARRAY_AND_SIZE(evb3_mfp_cfg));
121
122 pxa_set_ffuart_info(NULL);
123
124 evb3_init_i2c();
125 }
126
127 MACHINE_START(TAVOREVB3, "PXA950 Evaluation Board (aka TavorEVB3)")
128 .atag_offset = 0x100,
129 .map_io = pxa3xx_map_io,
130 .nr_irqs = TAVOREVB3_NR_IRQS,
131 .init_irq = pxa3xx_init_irq,
132 .handle_irq = pxa3xx_handle_irq,
133 .timer = &pxa_timer,
134 .init_machine = evb3_init,
135 .restart = pxa_restart,
136 MACHINE_END
137