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1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * GPIOs and interrupts for Palm Tungsten|T5 Handheld Computer
4  *
5  * Authors:	Ales Snuparek <snuparek@atlas.cz>
6  *		Marek Vasut <marek.vasut@gmail.com>
7  *		Justin Kendrick <twilightsentry@gmail.com>
8  *		RichardT5 <richard_t5@users.sourceforge.net>
9  */
10 
11 #ifndef _INCLUDE_PALMT5_H_
12 #define _INCLUDE_PALMT5_H_
13 
14 #include <mach/irqs.h> /* PXA_GPIO_TO_IRQ */
15 
16 /** HERE ARE GPIOs **/
17 
18 /* GPIOs */
19 #define GPIO_NR_PALMT5_GPIO_RESET		1
20 
21 #define GPIO_NR_PALMT5_POWER_DETECT		90
22 #define GPIO_NR_PALMT5_HOTSYNC_BUTTON_N		10
23 #define GPIO_NR_PALMT5_EARPHONE_DETECT		107
24 
25 /* SD/MMC */
26 #define GPIO_NR_PALMT5_SD_DETECT_N		14
27 #define GPIO_NR_PALMT5_SD_POWER			114
28 #define GPIO_NR_PALMT5_SD_READONLY		115
29 
30 /* TOUCHSCREEN */
31 #define GPIO_NR_PALMT5_WM9712_IRQ		27
32 
33 /* IRDA - disable GPIO connected to SD pin of tranceiver (TFBS4710?) ? */
34 #define GPIO_NR_PALMT5_IR_DISABLE		40
35 
36 /* USB */
37 #define GPIO_NR_PALMT5_USB_DETECT_N		15
38 #define GPIO_NR_PALMT5_USB_PULLUP		93
39 
40 /* LCD/BACKLIGHT */
41 #define GPIO_NR_PALMT5_BL_POWER			84
42 #define GPIO_NR_PALMT5_LCD_POWER		96
43 
44 /* BLUETOOTH */
45 #define GPIO_NR_PALMT5_BT_POWER			17
46 #define GPIO_NR_PALMT5_BT_RESET			83
47 
48 /* INTERRUPTS */
49 #define IRQ_GPIO_PALMT5_SD_DETECT_N	PXA_GPIO_TO_IRQ(GPIO_NR_PALMT5_SD_DETECT_N)
50 #define IRQ_GPIO_PALMT5_WM9712_IRQ	PXA_GPIO_TO_IRQ(GPIO_NR_PALMT5_WM9712_IRQ)
51 #define IRQ_GPIO_PALMT5_USB_DETECT	PXA_GPIO_TO_IRQ(GPIO_NR_PALMT5_USB_DETECT)
52 #define IRQ_GPIO_PALMT5_GPIO_RESET	PXA_GPIO_TO_IRQ(GPIO_NR_PALMT5_GPIO_RESET)
53 
54 /** HERE ARE INIT VALUES **/
55 
56 /* Various addresses  */
57 #define PALMT5_PHYS_RAM_START	0xa0000000
58 #define PALMT5_PHYS_IO_START	0x40000000
59 #define PALMT5_STR_BASE		0xa0200000
60 
61 /* TOUCHSCREEN */
62 #define AC97_LINK_FRAME		21
63 
64 /* BATTERY */
65 #define PALMT5_BAT_MAX_VOLTAGE		4000	/* 4.00v current voltage */
66 #define PALMT5_BAT_MIN_VOLTAGE		3550	/* 3.55v critical voltage */
67 #define PALMT5_BAT_MAX_CURRENT		0	/* unknown */
68 #define PALMT5_BAT_MIN_CURRENT		0	/* unknown */
69 #define PALMT5_BAT_MAX_CHARGE		1	/* unknown */
70 #define PALMT5_BAT_MIN_CHARGE		1	/* unknown */
71 #define PALMT5_MAX_LIFE_MINS		360    /* on-life in minutes */
72 
73 #define PALMT5_BAT_MEASURE_DELAY	(HZ * 1)
74 
75 /* BACKLIGHT */
76 #define PALMT5_MAX_INTENSITY		0xFE
77 #define PALMT5_DEFAULT_INTENSITY	0x7E
78 #define PALMT5_LIMIT_MASK		0x7F
79 #define PALMT5_PRESCALER		0x3F
80 #define PALMT5_PERIOD_NS		3500
81 
82 #endif
83