[ARM] pxa: Palm Tungsten|C initial support

This patch adds basic support for Palm Tungsten|C handheld.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

1 files changed, 86 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/include/mach/palmtc.h b/arch/arm/mach-pxa/include/mach/palmtc.h
new file mode 100644
index 000000000000..3dc9b074ab46
--- /dev/null
+++ b/arch/arm/mach-pxa/include/mach/palmtc.h
@@ -0,0 +1,86 @@
+/*
+ * linux/include/asm-arm/arch-pxa/palmtc-gpio.h
+ *
+ * GPIOs and interrupts for Palm Tungsten|C Handheld Computer
+ *
+ * Authors:     Alex Osborne <bobofdoom@gmail.com>
+ *              Marek Vasut <marek.vasut@gmail.com>
+ *              Holger Bocklet <bitz.email@gmx.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#ifndef _INCLUDE_PALMTC_H_
+#define _INCLUDE_PALMTC_H_
+
+/** HERE ARE GPIOs **/
+
+/* GPIOs */
+#define GPIO_NR_PALMTC_EARPHONE_DETECT  2
+#define GPIO_NR_PALMTC_CRADLE_DETECT    5
+#define GPIO_NR_PALMTC_HOTSYNC_BUTTON   7
+
+/* SD/MMC */
+#define GPIO_NR_PALMTC_SD_DETECT_N      12
+#define GPIO_NR_PALMTC_SD_POWER         32
+#define GPIO_NR_PALMTC_SD_READONLY      54
+
+/* WLAN */
+#define GPIO_NR_PALMTC_PCMCIA_READY     13
+#define GPIO_NR_PALMTC_PCMCIA_PWRREADY  14
+#define GPIO_NR_PALMTC_PCMCIA_POWER1    15
+#define GPIO_NR_PALMTC_PCMCIA_POWER2    33
+#define GPIO_NR_PALMTC_PCMCIA_POWER3    55
+#define GPIO_NR_PALMTC_PCMCIA_RESET     78
+
+/* UDC */
+#define GPIO_NR_PALMTC_USB_DETECT_N     4
+#define GPIO_NR_PALMTC_USB_POWER        36
+
+/* LCD/BACKLIGHT */
+#define GPIO_NR_PALMTC_BL_POWER         16
+#define GPIO_NR_PALMTC_LCD_POWER        44
+#define GPIO_NR_PALMTC_LCD_BLANK        38
+
+/* UART */
+#define GPIO_NR_PALMTC_RS232_POWER      37
+
+/* IRDA */
+#define GPIO_NR_PALMTC_IR_DISABLE       45
+
+/* IRQs */
+#define IRQ_GPIO_PALMTC_SD_DETECT_N     IRQ_GPIO(GPIO_NR_PALMTC_SD_DETECT_N)
+#define IRQ_GPIO_PALMTC_WLAN_READY      IRQ_GPIO(GPIO_NR_PALMTC_WLAN_READY)
+
+/* UCB1400 GPIOs */
+#define GPIO_NR_PALMTC_POWER_DETECT     (0x80 | 0x00)
+#define GPIO_NR_PALMTC_HEADPHONE_DETECT (0x80 | 0x01)
+#define GPIO_NR_PALMTC_SPEAKER_ENABLE   (0x80 | 0x03)
+#define GPIO_NR_PALMTC_VIBRA_POWER      (0x80 | 0x05)
+#define GPIO_NR_PALMTC_LED_POWER        (0x80 | 0x07)
+
+/** HERE ARE INIT VALUES **/
+#define PALMTC_UCB1400_GPIO_OFFSET      0x80
+
+/* BATTERY */
+#define PALMTC_BAT_MAX_VOLTAGE          4000    /* 4.00V maximum voltage */
+#define PALMTC_BAT_MIN_VOLTAGE          3550    /* 3.55V critical voltage */
+#define PALMTC_BAT_MAX_CURRENT          0       /* unknokn */
+#define PALMTC_BAT_MIN_CURRENT          0       /* unknown */
+#define PALMTC_BAT_MAX_CHARGE           1       /* unknown */
+#define PALMTC_BAT_MIN_CHARGE           1       /* unknown */
+#define PALMTC_MAX_LIFE_MINS            240     /* on-life in minutes */
+
+#define PALMTC_BAT_MEASURE_DELAY        (HZ * 1)
+
+/* BACKLIGHT */
+#define PALMTC_MAX_INTENSITY            0xFE
+#define PALMTC_DEFAULT_INTENSITY        0x7E
+#define PALMTC_LIMIT_MASK               0x7F
+#define PALMTC_PRESCALER                0x3F
+#define PALMTC_PERIOD_NS                3500
+
+#endif