1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * GPIOs and interrupts for Palm T|X Handheld Computer
4 *
5 * Based on palmld-gpio.h by Alex Osborne
6 *
7 * Authors:	Marek Vasut <marek.vasut@gmail.com>
8 *		Cristiano P. <cristianop@users.sourceforge.net>
9 *		Jan Herman <2hp@seznam.cz>
10 */
11
12#ifndef _INCLUDE_PALMTX_H_
13#define _INCLUDE_PALMTX_H_
14
15#include "irqs.h" /* PXA_GPIO_TO_IRQ */
16
17/** HERE ARE GPIOs **/
18
19/* GPIOs */
20#define GPIO_NR_PALMTX_GPIO_RESET		1
21
22#define GPIO_NR_PALMTX_POWER_DETECT		12 /* 90 */
23#define GPIO_NR_PALMTX_HOTSYNC_BUTTON_N		10
24#define GPIO_NR_PALMTX_EARPHONE_DETECT		107
25
26/* SD/MMC */
27#define GPIO_NR_PALMTX_SD_DETECT_N		14
28#define GPIO_NR_PALMTX_SD_POWER			114 /* probably */
29#define GPIO_NR_PALMTX_SD_READONLY		115 /* probably */
30
31/* TOUCHSCREEN */
32#define GPIO_NR_PALMTX_WM9712_IRQ		27
33
34/* IRDA -  disable GPIO connected to SD pin of tranceiver (TFBS4710?) ? */
35#define GPIO_NR_PALMTX_IR_DISABLE		40
36
37/* USB */
38#define GPIO_NR_PALMTX_USB_DETECT_N		13
39#define GPIO_NR_PALMTX_USB_PULLUP		93
40
41/* LCD/BACKLIGHT */
42#define GPIO_NR_PALMTX_BL_POWER			84
43#define GPIO_NR_PALMTX_LCD_POWER		96
44
45/* LCD BORDER */
46#define GPIO_NR_PALMTX_BORDER_SWITCH		98
47#define GPIO_NR_PALMTX_BORDER_SELECT		22
48
49/* BLUETOOTH */
50#define GPIO_NR_PALMTX_BT_POWER			17
51#define GPIO_NR_PALMTX_BT_RESET			83
52
53/* PCMCIA (WiFi) */
54#define GPIO_NR_PALMTX_PCMCIA_POWER1		94
55#define GPIO_NR_PALMTX_PCMCIA_POWER2		108
56#define GPIO_NR_PALMTX_PCMCIA_RESET		79
57#define GPIO_NR_PALMTX_PCMCIA_READY		116
58
59/* NAND Flash ... this GPIO may be incorrect! */
60#define GPIO_NR_PALMTX_NAND_BUFFER_DIR		79
61
62/* INTERRUPTS */
63#define IRQ_GPIO_PALMTX_SD_DETECT_N	PXA_GPIO_TO_IRQ(GPIO_NR_PALMTX_SD_DETECT_N)
64#define IRQ_GPIO_PALMTX_WM9712_IRQ	PXA_GPIO_TO_IRQ(GPIO_NR_PALMTX_WM9712_IRQ)
65#define IRQ_GPIO_PALMTX_USB_DETECT	PXA_GPIO_TO_IRQ(GPIO_NR_PALMTX_USB_DETECT)
66#define IRQ_GPIO_PALMTX_GPIO_RESET	PXA_GPIO_TO_IRQ(GPIO_NR_PALMTX_GPIO_RESET)
67
68/** HERE ARE INIT VALUES **/
69
70/* Various addresses  */
71#define PALMTX_PCMCIA_PHYS	0x28000000
72#define PALMTX_PCMCIA_VIRT	IOMEM(0xf0000000)
73#define PALMTX_PCMCIA_SIZE	0x100000
74
75#define PALMTX_PHYS_RAM_START	0xa0000000
76#define PALMTX_PHYS_IO_START	0x40000000
77
78#define PALMTX_STR_BASE		0xa0200000
79
80#define PALMTX_PHYS_FLASH_START	PXA_CS0_PHYS	/* ChipSelect 0 */
81#define PALMTX_PHYS_NAND_START	PXA_CS1_PHYS	/* ChipSelect 1 */
82
83#define PALMTX_NAND_ALE_PHYS	(PALMTX_PHYS_NAND_START | (1 << 24))
84#define PALMTX_NAND_CLE_PHYS	(PALMTX_PHYS_NAND_START | (1 << 25))
85#define PALMTX_NAND_ALE_VIRT	IOMEM(0xff100000)
86#define PALMTX_NAND_CLE_VIRT	IOMEM(0xff200000)
87
88/* TOUCHSCREEN */
89#define AC97_LINK_FRAME			21
90
91
92/* BATTERY */
93#define PALMTX_BAT_MAX_VOLTAGE		4000	/* 4.00v current voltage */
94#define PALMTX_BAT_MIN_VOLTAGE		3550	/* 3.55v critical voltage */
95#define PALMTX_BAT_MAX_CURRENT		0	/* unknown */
96#define PALMTX_BAT_MIN_CURRENT		0	/* unknown */
97#define PALMTX_BAT_MAX_CHARGE		1	/* unknown */
98#define PALMTX_BAT_MIN_CHARGE		1	/* unknown */
99#define PALMTX_MAX_LIFE_MINS		360	/* on-life in minutes */
100
101#define PALMTX_BAT_MEASURE_DELAY	(HZ * 1)
102
103/* BACKLIGHT */
104#define PALMTX_MAX_INTENSITY		0xFE
105#define PALMTX_DEFAULT_INTENSITY	0x7E
106#define PALMTX_LIMIT_MASK		0x7F
107#define PALMTX_PRESCALER		0x3F
108#define PALMTX_PERIOD_NS		3500
109
110#endif
111