Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
saarb.c
Go to the documentation of this file.
1 /*
2  * linux/arch/arm/mach-pxa/saarb.c
3  *
4  * Support for the Marvell Handheld Platform (aka SAARB)
5  *
6  * Copyright (C) 2007-2010 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 #include <linux/gpio.h>
13 #include <linux/init.h>
14 #include <linux/kernel.h>
15 #include <linux/i2c.h>
16 #include <linux/i2c/pxa-i2c.h>
17 #include <linux/mfd/88pm860x.h>
18 
19 #include <asm/mach-types.h>
20 #include <asm/mach/arch.h>
21 
22 #include <mach/irqs.h>
23 #include <mach/hardware.h>
24 #include <mach/mfp.h>
25 #include <mach/mfp-pxa930.h>
26 #include <mach/pxa95x.h>
27 
28 #include "generic.h"
29 
30 #define SAARB_NR_IRQS (IRQ_BOARD_START + 40)
31 
32 static struct pm860x_touch_pdata saarb_touch = {
33  .gpadc_prebias = 1,
34  .slot_cycle = 1,
35  .tsi_prebias = 6,
36  .pen_prebias = 16,
37  .pen_prechg = 2,
38  .res_x = 300,
39 };
40 
41 static struct pm860x_backlight_pdata saarb_backlight[] = {
42  {
43  .id = PM8606_ID_BACKLIGHT,
44  .iset = PM8606_WLED_CURRENT(24),
45  .flags = PM8606_BACKLIGHT1,
46  },
47  {},
48 };
49 
50 static struct pm860x_led_pdata saarb_led[] = {
51  {
52  .id = PM8606_ID_LED,
53  .iset = PM8606_LED_CURRENT(12),
54  .flags = PM8606_LED1_RED,
55  }, {
56  .id = PM8606_ID_LED,
57  .iset = PM8606_LED_CURRENT(12),
58  .flags = PM8606_LED1_GREEN,
59  }, {
60  .id = PM8606_ID_LED,
61  .iset = PM8606_LED_CURRENT(12),
62  .flags = PM8606_LED1_BLUE,
63  }, {
64  .id = PM8606_ID_LED,
65  .iset = PM8606_LED_CURRENT(12),
66  .flags = PM8606_LED2_RED,
67  }, {
68  .id = PM8606_ID_LED,
69  .iset = PM8606_LED_CURRENT(12),
70  .flags = PM8606_LED2_GREEN,
71  }, {
72  .id = PM8606_ID_LED,
73  .iset = PM8606_LED_CURRENT(12),
74  .flags = PM8606_LED2_BLUE,
75  },
76 };
77 
78 static struct pm860x_platform_data saarb_pm8607_info = {
79  .touch = &saarb_touch,
80  .backlight = &saarb_backlight[0],
81  .led = &saarb_led[0],
82  .companion_addr = 0x10,
83  .irq_mode = 0,
84  .irq_base = IRQ_BOARD_START,
85 
86  .i2c_port = GI2C_PORT,
87 };
88 
89 static struct i2c_board_info saarb_i2c_info[] = {
90  {
91  .type = "88PM860x",
92  .addr = 0x34,
93  .platform_data = &saarb_pm8607_info,
95  },
96 };
97 
98 static void __init saarb_init(void)
99 {
102  i2c_register_board_info(0, ARRAY_AND_SIZE(saarb_i2c_info));
103 }
104 
105 MACHINE_START(SAARB, "PXA955 Handheld Platform (aka SAARB)")
106  .atag_offset = 0x100,
107  .map_io = pxa3xx_map_io,
108  .nr_irqs = SAARB_NR_IRQS,
109  .init_irq = pxa95x_init_irq,
110  .handle_irq = pxa3xx_handle_irq,
111  .timer = &pxa_timer,
112  .init_machine = saarb_init,
113  .restart = pxa_restart,
115