[ARM] pxa: PalmLD initial support

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

1 files changed, 566 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/palmld.c b/arch/arm/mach-pxa/palmld.c
new file mode 100644
index 000000000000..55a2c40b6f26
--- /dev/null
+++ b/arch/arm/mach-pxa/palmld.c
@@ -0,0 +1,566 @@
+/*
+ * Hardware definitions for Palm LifeDrive
+ *
+ * Author:     Marek Vasut <marek.vasut@gmail.com>
+ *
+ * Based on work of:
+ *              Alex Osborne <ato@meshy.org>
+ *
+ * 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/pda_power.h>
+#include <linux/pwm_backlight.h>
+#include <linux/gpio.h>
+#include <linux/wm97xx_batt.h>
+#include <linux/power_supply.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/audio.h>
+#include <mach/palmld.h>
+#include <mach/mmc.h>
+#include <mach/pxafb.h>
+#include <mach/pxa-regs.h>
+#include <mach/mfp-pxa27x.h>
+#include <mach/irda.h>
+#include <mach/pxa27x_keypad.h>
+#include <mach/palmasoc.h>
+
+#include "generic.h"
+#include "devices.h"
+
+/******************************************************************************
+ * Pin configuration
+ ******************************************************************************/
+static unsigned long palmld_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,
+        GPIO14_GPIO,    /* SD detect */
+        GPIO114_GPIO,   /* SD power */
+        GPIO116_GPIO,   /* SD r/o switch */
+
+        /* AC97 */
+        GPIO28_AC97_BITCLK,
+        GPIO29_AC97_SDATA_IN_0,
+        GPIO30_AC97_SDATA_OUT,
+        GPIO31_AC97_SYNC,
+
+        /* IrDA */
+        GPIO108_GPIO,   /* ir disable */
+        GPIO46_FICP_RXD,
+        GPIO47_FICP_TXD,
+
+        /* MATRIX KEYPAD */
+        GPIO100_KP_MKIN_0,
+        GPIO101_KP_MKIN_1,
+        GPIO102_KP_MKIN_2,
+        GPIO97_KP_MKIN_3,
+        GPIO103_KP_MKOUT_0,
+        GPIO104_KP_MKOUT_1,
+        GPIO105_KP_MKOUT_2,
+
+        /* LCD */
+        GPIO58_LCD_LDD_0,
+        GPIO59_LCD_LDD_1,
+        GPIO60_LCD_LDD_2,
+        GPIO61_LCD_LDD_3,
+        GPIO62_LCD_LDD_4,
+        GPIO63_LCD_LDD_5,
+        GPIO64_LCD_LDD_6,
+        GPIO65_LCD_LDD_7,
+        GPIO66_LCD_LDD_8,
+        GPIO67_LCD_LDD_9,
+        GPIO68_LCD_LDD_10,
+        GPIO69_LCD_LDD_11,
+        GPIO70_LCD_LDD_12,
+        GPIO71_LCD_LDD_13,
+        GPIO72_LCD_LDD_14,
+        GPIO73_LCD_LDD_15,
+        GPIO74_LCD_FCLK,
+        GPIO75_LCD_LCLK,
+        GPIO76_LCD_PCLK,
+        GPIO77_LCD_BIAS,
+
+        /* PWM */
+        GPIO16_PWM0_OUT,
+
+        /* GPIO KEYS */
+        GPIO10_GPIO,    /* hotsync button */
+        GPIO12_GPIO,    /* power switch */
+        GPIO15_GPIO,    /* lock switch */
+
+        /* LEDs */
+        GPIO52_GPIO,    /* green led */
+        GPIO94_GPIO,    /* orange led */
+
+        /* PCMCIA */
+        GPIO48_nPOE,
+        GPIO49_nPWE,
+        GPIO50_nPIOR,
+        GPIO51_nPIOW,
+        GPIO85_nPCE_1,
+        GPIO54_nPCE_2,
+        GPIO79_PSKTSEL,
+        GPIO55_nPREG,
+        GPIO56_nPWAIT,
+        GPIO57_nIOIS16,
+        GPIO36_GPIO,    /* wifi power */
+        GPIO38_GPIO,    /* wifi ready */
+        GPIO81_GPIO,    /* wifi reset */
+
+        /* HDD */
+        GPIO95_GPIO,    /* HDD irq */
+        GPIO115_GPIO,   /* HDD power */
+
+        /* MISC */
+        GPIO13_GPIO,    /* earphone detect */
+};
+
+/******************************************************************************
+ * SD/MMC card controller
+ ******************************************************************************/
+static int palmld_mci_init(struct device *dev, irq_handler_t palmld_detect_int,
+                                void *data)
+{
+        int err = 0;
+
+        /* Setup an interrupt for detecting card insert/remove events */
+        err = gpio_request(GPIO_NR_PALMLD_SD_DETECT_N, "SD IRQ");
+        if (err)
+                goto err;
+        err = gpio_direction_input(GPIO_NR_PALMLD_SD_DETECT_N);
+        if (err)
+                goto err2;
+        err = request_irq(gpio_to_irq(GPIO_NR_PALMLD_SD_DETECT_N),
+                        palmld_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__);
+                goto err2;
+        }
+
+        err = gpio_request(GPIO_NR_PALMLD_SD_POWER, "SD_POWER");
+        if (err)
+                goto err3;
+        err = gpio_direction_output(GPIO_NR_PALMLD_SD_POWER, 0);
+        if (err)
+                goto err4;
+
+        err = gpio_request(GPIO_NR_PALMLD_SD_READONLY, "SD_READONLY");
+        if (err)
+                goto err4;
+        err = gpio_direction_input(GPIO_NR_PALMLD_SD_READONLY);
+        if (err)
+                goto err5;
+
+        printk(KERN_DEBUG "%s: irq registered\n", __func__);
+
+        return 0;
+
+err5:
+        gpio_free(GPIO_NR_PALMLD_SD_READONLY);
+err4:
+        gpio_free(GPIO_NR_PALMLD_SD_POWER);
+err3:
+        free_irq(gpio_to_irq(GPIO_NR_PALMLD_SD_DETECT_N), data);
+err2:
+        gpio_free(GPIO_NR_PALMLD_SD_DETECT_N);
+err:
+        return err;
+}
+
+static void palmld_mci_exit(struct device *dev, void *data)
+{
+        gpio_free(GPIO_NR_PALMLD_SD_READONLY);
+        gpio_free(GPIO_NR_PALMLD_SD_POWER);
+        free_irq(gpio_to_irq(GPIO_NR_PALMLD_SD_DETECT_N), data);
+        gpio_free(GPIO_NR_PALMLD_SD_DETECT_N);
+}
+
+static void palmld_mci_power(struct device *dev, unsigned int vdd)
+{
+        struct pxamci_platform_data *p_d = dev->platform_data;
+        gpio_set_value(GPIO_NR_PALMLD_SD_POWER, p_d->ocr_mask & (1 << vdd));
+}
+
+static int palmld_mci_get_ro(struct device *dev)
+{
+        return gpio_get_value(GPIO_NR_PALMLD_SD_READONLY);
+}
+
+static struct pxamci_platform_data palmld_mci_platform_data = {
+        .ocr_mask       = MMC_VDD_32_33 | MMC_VDD_33_34,
+        .setpower       = palmld_mci_power,
+        .get_ro         = palmld_mci_get_ro,
+        .init           = palmld_mci_init,
+        .exit           = palmld_mci_exit,
+};
+
+/******************************************************************************
+ * GPIO keyboard
+ ******************************************************************************/
+static unsigned int palmld_matrix_keys[] = {
+        KEY(0, 1, KEY_F2),
+        KEY(0, 2, KEY_UP),
+
+        KEY(1, 0, KEY_F3),
+        KEY(1, 1, KEY_F4),
+        KEY(1, 2, KEY_RIGHT),
+
+        KEY(2, 0, KEY_F1),
+        KEY(2, 1, KEY_F5),
+        KEY(2, 2, KEY_DOWN),
+
+        KEY(3, 0, KEY_F6),
+        KEY(3, 1, KEY_ENTER),
+        KEY(3, 2, KEY_LEFT),
+};
+
+static struct pxa27x_keypad_platform_data palmld_keypad_platform_data = {
+        .matrix_key_rows        = 4,
+        .matrix_key_cols        = 3,
+        .matrix_key_map         = palmld_matrix_keys,
+        .matrix_key_map_size    = ARRAY_SIZE(palmld_matrix_keys),
+
+        .debounce_interval      = 30,
+};
+
+/******************************************************************************
+ * GPIO keys
+ ******************************************************************************/
+static struct gpio_keys_button palmld_pxa_buttons[] = {
+        {KEY_F8, GPIO_NR_PALMLD_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
+        {KEY_F9, GPIO_NR_PALMLD_LOCK_SWITCH, 0, "Lock Switch" },
+        {KEY_POWER, GPIO_NR_PALMLD_POWER_SWITCH, 0, "Power Switch" },
+};
+
+static struct gpio_keys_platform_data palmld_pxa_keys_data = {
+        .buttons        = palmld_pxa_buttons,
+        .nbuttons       = ARRAY_SIZE(palmld_pxa_buttons),
+};
+
+static struct platform_device palmld_pxa_keys = {
+        .name   = "gpio-keys",
+        .id     = -1,
+        .dev    = {
+                .platform_data = &palmld_pxa_keys_data,
+        },
+};
+
+/******************************************************************************
+ * Backlight
+ ******************************************************************************/
+static int palmld_backlight_init(struct device *dev)
+{
+        int ret;
+
+        ret = gpio_request(GPIO_NR_PALMLD_BL_POWER, "BL POWER");
+        if (ret)
+                goto err;
+        ret = gpio_direction_output(GPIO_NR_PALMLD_BL_POWER, 0);
+        if (ret)
+                goto err2;
+        ret = gpio_request(GPIO_NR_PALMLD_LCD_POWER, "LCD POWER");
+        if (ret)
+                goto err2;
+        ret = gpio_direction_output(GPIO_NR_PALMLD_LCD_POWER, 0);
+        if (ret)
+                goto err3;
+
+        return 0;
+err3:
+        gpio_free(GPIO_NR_PALMLD_LCD_POWER);
+err2:
+        gpio_free(GPIO_NR_PALMLD_BL_POWER);
+err:
+        return ret;
+}
+
+static int palmld_backlight_notify(int brightness)
+{
+        gpio_set_value(GPIO_NR_PALMLD_BL_POWER, brightness);
+        gpio_set_value(GPIO_NR_PALMLD_LCD_POWER, brightness);
+        return brightness;
+}
+
+static void palmld_backlight_exit(struct device *dev)
+{
+        gpio_free(GPIO_NR_PALMLD_BL_POWER);
+        gpio_free(GPIO_NR_PALMLD_LCD_POWER);
+}
+
+static struct platform_pwm_backlight_data palmld_backlight_data = {
+        .pwm_id         = 0,
+        .max_brightness = PALMLD_MAX_INTENSITY,
+        .dft_brightness = PALMLD_MAX_INTENSITY,
+        .pwm_period_ns  = PALMLD_PERIOD_NS,
+        .init           = palmld_backlight_init,
+        .notify         = palmld_backlight_notify,
+        .exit           = palmld_backlight_exit,
+};
+
+static struct platform_device palmld_backlight = {
+        .name   = "pwm-backlight",
+        .dev    = {
+                .parent         = &pxa27x_device_pwm0.dev,
+                .platform_data  = &palmld_backlight_data,
+        },
+};
+
+/******************************************************************************
+ * IrDA
+ ******************************************************************************/
+static int palmld_irda_startup(struct device *dev)
+{
+        int err;
+        err = gpio_request(GPIO_NR_PALMLD_IR_DISABLE, "IR DISABLE");
+        if (err)
+                goto err;
+        err = gpio_direction_output(GPIO_NR_PALMLD_IR_DISABLE, 1);
+        if (err)
+                gpio_free(GPIO_NR_PALMLD_IR_DISABLE);
+err:
+        return err;
+}
+
+static void palmld_irda_shutdown(struct device *dev)
+{
+        gpio_free(GPIO_NR_PALMLD_IR_DISABLE);
+}
+
+static void palmld_irda_transceiver_mode(struct device *dev, int mode)
+{
+        gpio_set_value(GPIO_NR_PALMLD_IR_DISABLE, mode & IR_OFF);
+        pxa2xx_transceiver_mode(dev, mode);
+}
+
+static struct pxaficp_platform_data palmld_ficp_platform_data = {
+        .startup                = palmld_irda_startup,
+        .shutdown               = palmld_irda_shutdown,
+        .transceiver_cap        = IR_SIRMODE | IR_FIRMODE | IR_OFF,
+        .transceiver_mode       = palmld_irda_transceiver_mode,
+};
+
+/******************************************************************************
+ * LEDs
+ ******************************************************************************/
+struct gpio_led gpio_leds[] = {
+{
+        .name                   = "palmld:green:led",
+        .default_trigger        = "none",
+        .gpio                   = GPIO_NR_PALMLD_LED_GREEN,
+}, {
+        .name                   = "palmld:amber:led",
+        .default_trigger        = "none",
+        .gpio                   = GPIO_NR_PALMLD_LED_AMBER,
+},
+};
+
+static struct gpio_led_platform_data gpio_led_info = {
+        .leds           = gpio_leds,
+        .num_leds       = ARRAY_SIZE(gpio_leds),
+};
+
+static struct platform_device palmld_leds = {
+        .name   = "leds-gpio",
+        .id     = -1,
+        .dev    = {
+                .platform_data  = &gpio_led_info,
+        }
+};
+
+/******************************************************************************
+ * Power supply
+ ******************************************************************************/
+static int power_supply_init(struct device *dev)
+{
+        int ret;
+
+        ret = gpio_request(GPIO_NR_PALMLD_POWER_DETECT, "CABLE_STATE_AC");
+        if (ret)
+                goto err1;
+        ret = gpio_direction_input(GPIO_NR_PALMLD_POWER_DETECT);
+        if (ret)
+                goto err2;
+
+        ret = gpio_request(GPIO_NR_PALMLD_USB_DETECT_N, "CABLE_STATE_USB");
+        if (ret)
+                goto err2;
+        ret = gpio_direction_input(GPIO_NR_PALMLD_USB_DETECT_N);
+        if (ret)
+                goto err3;
+
+        return 0;
+
+err3:
+        gpio_free(GPIO_NR_PALMLD_USB_DETECT_N);
+err2:
+        gpio_free(GPIO_NR_PALMLD_POWER_DETECT);
+err1:
+        return ret;
+}
+
+static int palmld_is_ac_online(void)
+{
+        return gpio_get_value(GPIO_NR_PALMLD_POWER_DETECT);
+}
+
+static int palmld_is_usb_online(void)
+{
+        return !gpio_get_value(GPIO_NR_PALMLD_USB_DETECT_N);
+}
+
+static void power_supply_exit(struct device *dev)
+{
+        gpio_free(GPIO_NR_PALMLD_USB_DETECT_N);
+        gpio_free(GPIO_NR_PALMLD_POWER_DETECT);
+}
+
+static char *palmld_supplicants[] = {
+        "main-battery",
+};
+
+static struct pda_power_pdata power_supply_info = {
+        .init            = power_supply_init,
+        .is_ac_online    = palmld_is_ac_online,
+        .is_usb_online   = palmld_is_usb_online,
+        .exit            = power_supply_exit,
+        .supplied_to     = palmld_supplicants,
+        .num_supplicants = ARRAY_SIZE(palmld_supplicants),
+};
+
+static struct platform_device power_supply = {
+        .name = "pda-power",
+        .id   = -1,
+        .dev  = {
+                .platform_data = &power_supply_info,
+        },
+};
+
+/******************************************************************************
+ * WM97xx battery
+ ******************************************************************************/
+static struct wm97xx_batt_info wm97xx_batt_pdata = {
+        .batt_aux       = WM97XX_AUX_ID3,
+        .temp_aux       = WM97XX_AUX_ID2,
+        .charge_gpio    = -1,
+        .max_voltage    = PALMLD_BAT_MAX_VOLTAGE,
+        .min_voltage    = PALMLD_BAT_MIN_VOLTAGE,
+        .batt_mult      = 1000,
+        .batt_div       = 414,
+        .temp_mult      = 1,
+        .temp_div       = 1,
+        .batt_tech      = POWER_SUPPLY_TECHNOLOGY_LIPO,
+        .batt_name      = "main-batt",
+};
+
+/******************************************************************************
+ * aSoC audio
+ ******************************************************************************/
+static struct palm27x_asoc_info palm27x_asoc_pdata = {
+        .jack_gpio      = GPIO_NR_PALMLD_EARPHONE_DETECT,
+};
+
+/******************************************************************************
+ * Framebuffer
+ ******************************************************************************/
+static struct pxafb_mode_info palmld_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 palmld_lcd_screen = {
+        .modes          = palmld_lcd_modes,
+        .num_modes      = ARRAY_SIZE(palmld_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)
+        &palmld_pxa_keys,
+#endif
+        &palmld_backlight,
+        &palmld_leds,
+        &power_supply,
+};
+
+static struct map_desc palmld_io_desc[] __initdata = {
+{
+        .virtual        = PALMLD_IDE_VIRT,
+        .pfn            = __phys_to_pfn(PALMLD_IDE_PHYS),
+        .length         = PALMLD_IDE_SIZE,
+        .type           = MT_DEVICE
+},
+{
+        .virtual        = PALMLD_USB_VIRT,
+        .pfn            = __phys_to_pfn(PALMLD_USB_PHYS),
+        .length         = PALMLD_USB_SIZE,
+        .type           = MT_DEVICE
+},
+};
+
+static void __init palmld_map_io(void)
+{
+        pxa_map_io();
+        iotable_init(palmld_io_desc, ARRAY_SIZE(palmld_io_desc));
+}
+
+static void __init palmld_init(void)
+{
+        pxa2xx_mfp_config(ARRAY_AND_SIZE(palmld_pin_config));
+
+        set_pxa_fb_info(&palmld_lcd_screen);
+        pxa_set_mci_info(&palmld_mci_platform_data);
+        pxa_set_ac97_info(NULL);
+        pxa_set_ficp_info(&palmld_ficp_platform_data);
+        pxa_set_keypad_info(&palmld_keypad_platform_data);
+        wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
+        palm27x_asoc_set_pdata(&palm27x_asoc_pdata);
+
+        platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+
+MACHINE_START(PALMLD, "Palm LifeDrive")
+        .phys_io        = PALMLD_PHYS_IO_START,
+        .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
+        .boot_params    = 0xa0000100,
+        .map_io         = palmld_map_io,
+        .init_irq       = pxa27x_init_irq,
+        .timer          = &pxa_timer,
+        .init_machine   = palmld_init
+MACHINE_END