5 files changed, 469 insertions, 0 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 8f0ec46a7096..5375740cac64 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -571,6 +571,12 @@ P:	Dirk Opfer
 M:      dirk@opfer-online.de
 S:      Maintained
 
+ARM/PALMTX SUPPORT
+P:      Marek Vasut
+M:      marek.vasut@gmail.com
+W:      http://hackndev.com
+S:      Maintained
+
 ARM/PLEB SUPPORT
 P:      Peter Chubb
 M:      pleb@gelato.unsw.edu.au
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index faa2c3f6c1af..2793076bd33a 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -199,6 +199,20 @@ config MACH_PCM027
         select IWMMXT
         select PXA_SSP
 
+config ARCH_PXA_PALM
+        bool "PXA based Palm PDAs"
+        select HAVE_PWM
+
+config MACH_PALMTX
+        bool "Palm T|X"
+        default y
+        depends on ARCH_PXA_PALM
+        select PXA27x
+        select IWMMXT
+        help
+          Say Y here if you intend to run this kernel on a Palm T|X
+          handheld computer.
+
 config MACH_PCM990_BASEBOARD
         bool "PHYTEC PCM-990 development board"
         select HAVE_PWM
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index c4dfbe87fc4e..d7dc3a76e33c 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -37,6 +37,7 @@ obj-$(CONFIG_MACH_TOSA)		+= tosa.o
 obj-$(CONFIG_MACH_EM_X270)      += em-x270.o
 obj-$(CONFIG_MACH_MAGICIAN)     += magician.o
 obj-$(CONFIG_ARCH_PXA_ESERIES)  += eseries.o
+obj-$(CONFIG_MACH_PALMTX)+= palmtx.o
 
 ifeq ($(CONFIG_MACH_ZYLONITE),y)
   obj-y                         += zylonite.o
diff --git a/arch/arm/mach-pxa/palmtx.c b/arch/arm/mach-pxa/palmtx.c
new file mode 100644
index 000000000000..ae8973279c20
--- /dev/null
+++ b/arch/arm/mach-pxa/palmtx.c
@@ -0,0 +1,342 @@
+/*
+ * Hardware definitions for PalmTX
+ *
+ * Author:     Marek Vasut <marek.vasut@gmail.com>
+ *
+ * Based on work of:
+ *              Alex Osborne <ato@meshy.org>
+ *              Cristiano P. <cristianop@users.sourceforge.net>
+ *              Jan Herman <2hp@seznam.cz>
+ *              Michal Hrusecky
+ *
+ * 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.
+ *
+ * (find more info at www.hackndev.com)
+ *
+ */
+
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/irq.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/pwm_backlight.h>
+#include <linux/gpio.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <asm/arch/audio.h>
+#include <asm/arch/palmtx.h>
+#include <asm/arch/mmc.h>
+#include <asm/arch/pxafb.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/mfp-pxa27x.h>
+#include <asm/arch/irda.h>
+#include <asm/arch/pxa27x_keypad.h>
+#include <asm/arch/udc.h>
+
+#include "generic.h"
+#include "devices.h"
+
+/******************************************************************************
+ * Pin configuration
+ ******************************************************************************/
+static unsigned long palmtx_pin_config[] __initdata = {
+        /* MMC */
+        GPIO32_MMC_CLK,
+        GPIO92_MMC_DAT_0,
+        GPIO109_MMC_DAT_1,
+        GPIO110_MMC_DAT_2,
+        GPIO111_MMC_DAT_3,
+        GPIO112_MMC_CMD,
+
+        /* AC97 */
+        GPIO28_AC97_BITCLK,
+        GPIO29_AC97_SDATA_IN_0,
+        GPIO30_AC97_SDATA_OUT,
+        GPIO31_AC97_SYNC,
+
+        /* IrDA */
+        GPIO46_FICP_RXD,
+        GPIO47_FICP_TXD,
+
+        /* PWM */
+        GPIO16_PWM0_OUT,
+
+        /* USB */
+        GPIO13_GPIO,
+};
+
+/******************************************************************************
+ * SD/MMC card controller
+ ******************************************************************************/
+static int palmtx_mci_init(struct device *dev, irq_handler_t palmtx_detect_int,
+                                void *data)
+{
+        int err = 0;
+
+        /* Setup an interrupt for detecting card insert/remove events */
+        err = request_irq(IRQ_GPIO_PALMTX_SD_DETECT_N, palmtx_detect_int,
+                        IRQF_DISABLED | IRQF_SAMPLE_RANDOM |
+                        IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
+                        "SD/MMC card detect", data);
+        if (err) {
+                printk(KERN_ERR "%s: cannot request SD/MMC card detect IRQ\n",
+                                __func__);
+                return err;
+        }
+
+        err = gpio_request(GPIO_NR_PALMTX_SD_POWER, "SD_POWER");
+        if (err)
+                goto pwr_err;
+
+        err = gpio_request(GPIO_NR_PALMTX_SD_READONLY, "SD_READONLY");
+        if (err)
+                goto ro_err;
+
+        printk(KERN_DEBUG "%s: irq registered\n", __func__);
+
+        return 0;
+
+ro_err:
+        gpio_free(GPIO_NR_PALMTX_SD_POWER);
+pwr_err:
+        free_irq(IRQ_GPIO_PALMTX_SD_DETECT_N, data);
+        return err;
+}
+
+static void palmtx_mci_exit(struct device *dev, void *data)
+{
+        gpio_free(GPIO_NR_PALMTX_SD_READONLY);
+        gpio_free(GPIO_NR_PALMTX_SD_POWER);
+        free_irq(IRQ_GPIO_PALMTX_SD_DETECT_N, data);
+}
+
+static void palmtx_mci_power(struct device *dev, unsigned int vdd)
+{
+        struct pxamci_platform_data *p_d = dev->platform_data;
+        gpio_set_value(GPIO_NR_PALMTX_SD_POWER, p_d->ocr_mask & (1 << vdd));
+}
+
+static int palmtx_mci_get_ro(struct device *dev)
+{
+        return gpio_get_value(GPIO_NR_PALMTX_SD_READONLY);
+}
+
+static struct pxamci_platform_data palmtx_mci_platform_data = {
+        .ocr_mask       = MMC_VDD_32_33 | MMC_VDD_33_34,
+        .setpower       = palmtx_mci_power,
+        .get_ro         = palmtx_mci_get_ro,
+        .init           = palmtx_mci_init,
+        .exit           = palmtx_mci_exit,
+};
+
+/******************************************************************************
+ * GPIO keyboard
+ ******************************************************************************/
+static unsigned int palmtx_matrix_keys[] = {
+        KEY(0, 0, KEY_POWER),
+        KEY(0, 1, KEY_F1),
+        KEY(0, 2, KEY_ENTER),
+
+        KEY(1, 0, KEY_F2),
+        KEY(1, 1, KEY_F3),
+        KEY(1, 2, KEY_F4),
+
+        KEY(2, 0, KEY_UP),
+        KEY(2, 2, KEY_DOWN),
+
+        KEY(3, 0, KEY_RIGHT),
+        KEY(3, 2, KEY_LEFT),
+
+};
+
+static struct pxa27x_keypad_platform_data palmtx_keypad_platform_data = {
+        .matrix_key_rows        = 4,
+        .matrix_key_cols        = 3,
+        .matrix_key_map         = palmtx_matrix_keys,
+        .matrix_key_map_size    = ARRAY_SIZE(palmtx_matrix_keys),
+
+        .debounce_interval      = 30,
+};
+
+/******************************************************************************
+ * GPIO keys
+ ******************************************************************************/
+static struct gpio_keys_button palmtx_pxa_buttons[] = {
+        {KEY_F8, GPIO_NR_PALMTX_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
+};
+
+static struct gpio_keys_platform_data palmtx_pxa_keys_data = {
+        .buttons        = palmtx_pxa_buttons,
+        .nbuttons       = ARRAY_SIZE(palmtx_pxa_buttons),
+};
+
+static struct platform_device palmtx_pxa_keys = {
+        .name   = "gpio-keys",
+        .id     = -1,
+        .dev    = {
+                .platform_data = &palmtx_pxa_keys_data,
+        },
+};
+
+/******************************************************************************
+ * Backlight
+ ******************************************************************************/
+static int palmtx_backlight_init(struct device *dev)
+{
+        int ret;
+
+        ret = gpio_request(GPIO_NR_PALMTX_BL_POWER, "BL POWER");
+        if (ret)
+                goto err;
+        ret = gpio_request(GPIO_NR_PALMTX_LCD_POWER, "LCD POWER");
+        if (ret)
+                goto err2;
+
+        return 0;
+err2:
+        gpio_free(GPIO_NR_PALMTX_BL_POWER);
+err:
+        return ret;
+}
+
+static int palmtx_backlight_notify(int brightness)
+{
+        gpio_set_value(GPIO_NR_PALMTX_BL_POWER, brightness);
+        gpio_set_value(GPIO_NR_PALMTX_LCD_POWER, brightness);
+        return brightness;
+}
+
+static void palmtx_backlight_exit(struct device *dev)
+{
+        gpio_free(GPIO_NR_PALMTX_BL_POWER);
+        gpio_free(GPIO_NR_PALMTX_LCD_POWER);
+}
+
+static struct platform_pwm_backlight_data palmtx_backlight_data = {
+        .pwm_id         = 0,
+        .max_brightness = PALMTX_MAX_INTENSITY,
+        .dft_brightness = PALMTX_MAX_INTENSITY,
+        .pwm_period_ns  = PALMTX_PERIOD_NS,
+        .init           = palmtx_backlight_init,
+        .notify         = palmtx_backlight_notify,
+        .exit           = palmtx_backlight_exit,
+};
+
+static struct platform_device palmtx_backlight = {
+        .name   = "pwm-backlight",
+        .dev    = {
+                .parent         = &pxa27x_device_pwm0.dev,
+                .platform_data  = &palmtx_backlight_data,
+        },
+};
+
+/******************************************************************************
+ * IrDA
+ ******************************************************************************/
+static void palmtx_irda_transceiver_mode(struct device *dev, int mode)
+{
+        gpio_set_value(GPIO_NR_PALMTX_IR_DISABLE, mode & IR_OFF);
+        pxa2xx_transceiver_mode(dev, mode);
+}
+
+static struct pxaficp_platform_data palmtx_ficp_platform_data = {
+        .transceiver_cap        = IR_SIRMODE | IR_FIRMODE | IR_OFF,
+        .transceiver_mode       = palmtx_irda_transceiver_mode,
+};
+
+/******************************************************************************
+ * UDC
+ ******************************************************************************/
+static void palmtx_udc_command(int cmd)
+{
+        gpio_set_value(GPIO_NR_PALMTX_USB_POWER, !cmd);
+        udelay(50);
+        gpio_set_value(GPIO_NR_PALMTX_USB_PULLUP, !cmd);
+}
+
+static struct pxa2xx_udc_mach_info palmtx_udc_info __initdata = {
+        .gpio_vbus              = GPIO_NR_PALMTX_USB_DETECT_N,
+        .gpio_vbus_inverted     = 1,
+        .udc_command            = palmtx_udc_command,
+};
+
+/******************************************************************************
+ * Framebuffer
+ ******************************************************************************/
+static struct pxafb_mode_info palmtx_lcd_modes[] = {
+{
+        .pixclock       = 57692,
+        .xres           = 320,
+        .yres           = 480,
+        .bpp            = 16,
+
+        .left_margin    = 32,
+        .right_margin   = 1,
+        .upper_margin   = 7,
+        .lower_margin   = 1,
+
+        .hsync_len      = 4,
+        .vsync_len      = 1,
+},
+};
+
+static struct pxafb_mach_info palmtx_lcd_screen = {
+        .modes          = palmtx_lcd_modes,
+        .num_modes      = ARRAY_SIZE(palmtx_lcd_modes),
+        .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
+};
+
+/******************************************************************************
+ * Machine init
+ ******************************************************************************/
+static struct platform_device *devices[] __initdata = {
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+        &palmtx_pxa_keys,
+#endif
+        &palmtx_backlight,
+};
+
+static struct map_desc palmtx_io_desc[] __initdata = {
+{
+        .virtual        = PALMTX_PCMCIA_VIRT,
+        .pfn            = __phys_to_pfn(PALMTX_PCMCIA_PHYS),
+        .length         = PALMTX_PCMCIA_SIZE,
+        .type           = MT_DEVICE
+},
+};
+
+static void __init palmtx_map_io(void)
+{
+        pxa_map_io();
+        iotable_init(palmtx_io_desc, ARRAY_SIZE(palmtx_io_desc));
+}
+
+static void __init palmtx_init(void)
+{
+        pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtx_pin_config));
+
+        set_pxa_fb_info(&palmtx_lcd_screen);
+        pxa_set_mci_info(&palmtx_mci_platform_data);
+        pxa_set_udc_info(&palmtx_udc_info);
+        pxa_set_ac97_info(NULL);
+        pxa_set_ficp_info(&palmtx_ficp_platform_data);
+        pxa_set_keypad_info(&palmtx_keypad_platform_data);
+
+        platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+
+MACHINE_START(PALMTX, "Palm T|X")
+        .phys_io        = PALMTX_PHYS_IO_START,
+        .io_pg_offst    = io_p2v(0x40000000),
+        .boot_params    = 0xa0000100,
+        .map_io         = palmtx_map_io,
+        .init_irq       = pxa27x_init_irq,
+        .timer          = &pxa_timer,
+        .init_machine   = palmtx_init
+MACHINE_END
diff --git a/include/asm-arm/arch-pxa/palmtx.h b/include/asm-arm/arch-pxa/palmtx.h
new file mode 100644
index 000000000000..1e8bccbda510
--- /dev/null
+++ b/include/asm-arm/arch-pxa/palmtx.h
@@ -0,0 +1,106 @@
+/*
+ * GPIOs and interrupts for Palm T|X Handheld Computer
+ *
+ * Based on palmld-gpio.h by Alex Osborne
+ *
+ * Authors:     Marek Vasut <marek.vasut@gmail.com>
+ *              Cristiano P. <cristianop@users.sourceforge.net>
+ *              Jan Herman <2hp@seznam.cz>
+ *
+ * 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_PALMTX_H_
+#define _INCLUDE_PALMTX_H_
+
+/** HERE ARE GPIOs **/
+
+/* GPIOs */
+#define GPIO_NR_PALMTX_GPIO_RESET               1
+
+#define GPIO_NR_PALMTX_POWER_DETECT             12 /* 90 */
+#define GPIO_NR_PALMTX_HOTSYNC_BUTTON_N         10
+#define GPIO_NR_PALMTX_EARPHONE_DETECT          107
+
+/* SD/MMC */
+#define GPIO_NR_PALMTX_SD_DETECT_N              14
+#define GPIO_NR_PALMTX_SD_POWER                 114 /* probably */
+#define GPIO_NR_PALMTX_SD_READONLY              115 /* probably */
+
+/* TOUCHSCREEN */
+#define GPIO_NR_PALMTX_WM9712_IRQ               27
+
+/* IRDA -  disable GPIO connected to SD pin of tranceiver (TFBS4710?) ? */
+#define GPIO_NR_PALMTX_IR_DISABLE               40
+
+/* USB */
+#define GPIO_NR_PALMTX_USB_DETECT_N             13
+#define GPIO_NR_PALMTX_USB_POWER                95
+#define GPIO_NR_PALMTX_USB_PULLUP               93
+
+/* LCD/BACKLIGHT */
+#define GPIO_NR_PALMTX_BL_POWER                 84
+#define GPIO_NR_PALMTX_LCD_POWER                96
+
+/* LCD BORDER */
+#define GPIO_NR_PALMTX_BORDER_SWITCH            98
+#define GPIO_NR_PALMTX_BORDER_SELECT            22
+
+/* BLUETOOTH */
+#define GPIO_NR_PALMTX_BT_POWER                 17
+#define GPIO_NR_PALMTX_BT_RESET                 83
+
+/* PCMCIA (WiFi) */
+#define GPIO_NR_PALMTX_PCMCIA_POWER1            94
+#define GPIO_NR_PALMTX_PCMCIA_POWER2            108
+#define GPIO_NR_PALMTX_PCMCIA_RESET             79
+#define GPIO_NR_PALMTX_PCMCIA_READY             116
+
+/* NAND Flash ... this GPIO may be incorrect! */
+#define GPIO_NR_PALMTX_NAND_BUFFER_DIR          79
+
+/* INTERRUPTS */
+#define IRQ_GPIO_PALMTX_SD_DETECT_N     IRQ_GPIO(GPIO_NR_PALMTX_SD_DETECT_N)
+#define IRQ_GPIO_PALMTX_WM9712_IRQ      IRQ_GPIO(GPIO_NR_PALMTX_WM9712_IRQ)
+#define IRQ_GPIO_PALMTX_USB_DETECT      IRQ_GPIO(GPIO_NR_PALMTX_USB_DETECT)
+#define IRQ_GPIO_PALMTX_GPIO_RESET      IRQ_GPIO(GPIO_NR_PALMTX_GPIO_RESET)
+
+/** HERE ARE INIT VALUES **/
+
+/* Various addresses  */
+#define PALMTX_PCMCIA_PHYS      0x28000000
+#define PALMTX_PCMCIA_VIRT      0xf0000000
+#define PALMTX_PCMCIA_SIZE      0x100000
+
+#define PALMTX_PHYS_RAM_START   0xa0000000
+#define PALMTX_PHYS_IO_START    0x40000000
+
+#define PALMTX_PHYS_FLASH_START PXA_CS0_PHYS    /* ChipSelect 0 */
+#define PALMTX_PHYS_NAND_START  PXA_CS1_PHYS    /* ChipSelect 1 */
+
+/* TOUCHSCREEN */
+#define AC97_LINK_FRAME                 21
+
+
+/* BATTERY */
+#define PALMTX_BAT_MAX_VOLTAGE          4000    /* 4.00v current voltage */
+#define PALMTX_BAT_MIN_VOLTAGE          3550    /* 3.55v critical voltage */
+#define PALMTX_BAT_MAX_CURRENT          0       /* unknokn */
+#define PALMTX_BAT_MIN_CURRENT          0       /* unknown */
+#define PALMTX_BAT_MAX_CHARGE           1       /* unknown */
+#define PALMTX_BAT_MIN_CHARGE           1       /* unknown */
+#define PALMTX_MAX_LIFE_MINS            360     /* on-life in minutes */
+
+#define PALMTX_BAT_MEASURE_DELAY        (HZ * 1)
+
+/* BACKLIGHT */
+#define PALMTX_MAX_INTENSITY            0xFE
+#define PALMTX_DEFAULT_INTENSITY        0x7E
+#define PALMTX_LIMIT_MASK               0x7F
+#define PALMTX_PRESCALER                0x3F
+#define PALMTX_PERIOD_NS                3500
+
+#endif