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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/arm/mach-pxa/magician.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-pxa/magician.c')
-rw-r--r--arch/arm/mach-pxa/magician.c1112
1 files changed, 1112 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
new file mode 100644
index 000000000..0827ebca1
--- /dev/null
+++ b/arch/arm/mach-pxa/magician.c
@@ -0,0 +1,1112 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Support for HTC Magician PDA phones:
+ * i-mate JAM, O2 Xda mini, Orange SPV M500, Qtek s100, Qtek s110
+ * and T-Mobile MDA Compact.
+ *
+ * Copyright (c) 2006-2007 Philipp Zabel
+ *
+ * Based on hx4700.c, spitz.c and others.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/gpio/machine.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/mfd/htc-pasic3.h>
+#include <linux/mtd/physmap.h>
+#include <linux/pda_power.h>
+#include <linux/platform_data/gpio-htc-egpio.h>
+#include <linux/pwm.h>
+#include <linux/pwm_backlight.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/gpio-regulator.h>
+#include <linux/regulator/machine.h>
+#include <linux/platform_data/i2c-pxa.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/system_info.h>
+
+#include "pxa27x.h"
+#include "addr-map.h"
+#include "magician.h"
+#include <linux/platform_data/video-pxafb.h>
+#include <linux/platform_data/mmc-pxamci.h>
+#include <linux/platform_data/irda-pxaficp.h>
+#include <linux/platform_data/usb-ohci-pxa27x.h>
+
+#include <linux/regulator/max1586.h>
+
+#include <linux/platform_data/pxa2xx_udc.h>
+
+#include "udc.h"
+#include "pxa27x-udc.h"
+#include "devices.h"
+#include "generic.h"
+
+#include <linux/spi/spi.h>
+#include <linux/spi/pxa2xx_spi.h>
+#include <linux/spi/ads7846.h>
+#include <sound/uda1380.h>
+
+static unsigned long magician_pin_config[] __initdata = {
+
+ /* SDRAM and Static Memory I/O Signals */
+ GPIO20_nSDCS_2,
+ GPIO21_nSDCS_3,
+ GPIO15_nCS_1,
+ GPIO78_nCS_2, /* PASIC3 */
+ GPIO79_nCS_3, /* EGPIO CPLD */
+ GPIO80_nCS_4,
+ GPIO33_nCS_5,
+
+ /* I2C UDA1380 + OV9640 */
+ GPIO117_I2C_SCL,
+ GPIO118_I2C_SDA,
+
+ /* PWM 0 - LCD backlight */
+ GPIO16_PWM0_OUT,
+
+ /* I2S UDA1380 capture */
+ GPIO28_I2S_BITCLK_OUT,
+ GPIO29_I2S_SDATA_IN,
+ GPIO31_I2S_SYNC,
+ GPIO113_I2S_SYSCLK,
+
+ /* SSP 1 UDA1380 playback */
+ GPIO23_SSP1_SCLK,
+ GPIO24_SSP1_SFRM,
+ GPIO25_SSP1_TXD,
+
+ /* SSP 2 TSC2046 touchscreen */
+ GPIO19_SSP2_SCLK,
+ MFP_CFG_OUT(GPIO14, AF0, DRIVE_HIGH), /* frame as GPIO */
+ GPIO89_SSP2_TXD,
+ GPIO88_SSP2_RXD,
+
+ /* MMC/SD/SDHC slot */
+ GPIO32_MMC_CLK,
+ GPIO92_MMC_DAT_0,
+ GPIO109_MMC_DAT_1,
+ GPIO110_MMC_DAT_2,
+ GPIO111_MMC_DAT_3,
+ GPIO112_MMC_CMD,
+
+ /* LCD */
+ GPIOxx_LCD_TFT_16BPP,
+
+ /* QCI camera interface */
+ GPIO12_CIF_DD_7,
+ GPIO17_CIF_DD_6,
+ GPIO50_CIF_DD_3,
+ GPIO51_CIF_DD_2,
+ GPIO52_CIF_DD_4,
+ GPIO53_CIF_MCLK,
+ GPIO54_CIF_PCLK,
+ GPIO55_CIF_DD_1,
+ GPIO81_CIF_DD_0,
+ GPIO82_CIF_DD_5,
+ GPIO84_CIF_FV,
+ GPIO85_CIF_LV,
+
+ /* Magician specific input GPIOs */
+ GPIO9_GPIO, /* unknown */
+ GPIO10_GPIO, /* GSM_IRQ */
+ GPIO13_GPIO, /* CPLD_IRQ */
+ GPIO107_GPIO, /* DS1WM_IRQ */
+ GPIO108_GPIO, /* GSM_READY */
+ GPIO115_GPIO, /* nPEN_IRQ */
+};
+
+/*
+ * IrDA
+ */
+
+static struct pxaficp_platform_data magician_ficp_info = {
+ .gpio_pwdown = GPIO83_MAGICIAN_nIR_EN,
+ .transceiver_cap = IR_SIRMODE | IR_OFF,
+ .gpio_pwdown_inverted = 0,
+};
+
+/*
+ * GPIO Keys
+ */
+
+#define INIT_KEY(_code, _gpio, _desc) \
+ { \
+ .code = KEY_##_code, \
+ .gpio = _gpio, \
+ .desc = _desc, \
+ .type = EV_KEY, \
+ .wakeup = 1, \
+ }
+
+static struct gpio_keys_button magician_button_table[] = {
+ INIT_KEY(POWER, GPIO0_MAGICIAN_KEY_POWER, "Power button"),
+ INIT_KEY(ESC, GPIO37_MAGICIAN_KEY_HANGUP, "Hangup button"),
+ INIT_KEY(F10, GPIO38_MAGICIAN_KEY_CONTACTS, "Contacts button"),
+ INIT_KEY(CALENDAR, GPIO90_MAGICIAN_KEY_CALENDAR, "Calendar button"),
+ INIT_KEY(CAMERA, GPIO91_MAGICIAN_KEY_CAMERA, "Camera button"),
+ INIT_KEY(UP, GPIO93_MAGICIAN_KEY_UP, "Up button"),
+ INIT_KEY(DOWN, GPIO94_MAGICIAN_KEY_DOWN, "Down button"),
+ INIT_KEY(LEFT, GPIO95_MAGICIAN_KEY_LEFT, "Left button"),
+ INIT_KEY(RIGHT, GPIO96_MAGICIAN_KEY_RIGHT, "Right button"),
+ INIT_KEY(KPENTER, GPIO97_MAGICIAN_KEY_ENTER, "Action button"),
+ INIT_KEY(RECORD, GPIO98_MAGICIAN_KEY_RECORD, "Record button"),
+ INIT_KEY(VOLUMEUP, GPIO100_MAGICIAN_KEY_VOL_UP, "Volume up"),
+ INIT_KEY(VOLUMEDOWN, GPIO101_MAGICIAN_KEY_VOL_DOWN, "Volume down"),
+ INIT_KEY(PHONE, GPIO102_MAGICIAN_KEY_PHONE, "Phone button"),
+ INIT_KEY(PLAY, GPIO99_MAGICIAN_HEADPHONE_IN, "Headset button"),
+};
+
+static struct gpio_keys_platform_data gpio_keys_data = {
+ .buttons = magician_button_table,
+ .nbuttons = ARRAY_SIZE(magician_button_table),
+};
+
+static struct platform_device gpio_keys = {
+ .name = "gpio-keys",
+ .dev = {
+ .platform_data = &gpio_keys_data,
+ },
+ .id = -1,
+};
+
+/*
+ * EGPIO (Xilinx CPLD)
+ *
+ * 32-bit aligned 8-bit registers
+ * 16 possible registers (reg windows size), only 7 used:
+ * 3x output, 1x irq, 3x input
+ */
+
+static struct resource egpio_resources[] = {
+ [0] = {
+ .start = PXA_CS3_PHYS,
+ .end = PXA_CS3_PHYS + 0x20 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = PXA_GPIO_TO_IRQ(GPIO13_MAGICIAN_CPLD_IRQ),
+ .end = PXA_GPIO_TO_IRQ(GPIO13_MAGICIAN_CPLD_IRQ),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct htc_egpio_chip egpio_chips[] = {
+ [0] = {
+ .reg_start = 0,
+ .gpio_base = MAGICIAN_EGPIO(0, 0),
+ .num_gpios = 24,
+ .direction = HTC_EGPIO_OUTPUT,
+ /*
+ * Depends on modules configuration
+ */
+ .initial_values = 0x40, /* EGPIO_MAGICIAN_GSM_RESET */
+ },
+ [1] = {
+ .reg_start = 4,
+ .gpio_base = MAGICIAN_EGPIO(4, 0),
+ .num_gpios = 24,
+ .direction = HTC_EGPIO_INPUT,
+ },
+};
+
+static struct htc_egpio_platform_data egpio_info = {
+ .reg_width = 8,
+ .bus_width = 32,
+ .irq_base = IRQ_BOARD_START,
+ .num_irqs = 4,
+ .ack_register = 3,
+ .chip = egpio_chips,
+ .num_chips = ARRAY_SIZE(egpio_chips),
+};
+
+static struct platform_device egpio = {
+ .name = "htc-egpio",
+ .id = -1,
+ .resource = egpio_resources,
+ .num_resources = ARRAY_SIZE(egpio_resources),
+ .dev = {
+ .platform_data = &egpio_info,
+ },
+};
+
+/*
+ * PXAFB LCD - Toppoly TD028STEB1 or Samsung LTP280QV
+ */
+
+static struct pxafb_mode_info toppoly_modes[] = {
+ {
+ .pixclock = 96153,
+ .bpp = 16,
+ .xres = 240,
+ .yres = 320,
+ .hsync_len = 11,
+ .vsync_len = 3,
+ .left_margin = 19,
+ .upper_margin = 2,
+ .right_margin = 10,
+ .lower_margin = 2,
+ .sync = 0,
+ },
+};
+
+static struct pxafb_mode_info samsung_modes[] = {
+ {
+ .pixclock = 226469,
+ .bpp = 16,
+ .xres = 240,
+ .yres = 320,
+ .hsync_len = 8,
+ .vsync_len = 4,
+ .left_margin = 9,
+ .upper_margin = 4,
+ .right_margin = 9,
+ .lower_margin = 4,
+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ },
+};
+
+static void toppoly_lcd_power(int on, struct fb_var_screeninfo *si)
+{
+ pr_debug("Toppoly LCD power: %s\n", on ? "on" : "off");
+
+ if (on) {
+ gpio_set_value(EGPIO_MAGICIAN_TOPPOLY_POWER, 1);
+ gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 1);
+ udelay(2000);
+ gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1);
+ udelay(2000);
+ /* FIXME: enable LCDC here */
+ udelay(2000);
+ gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 1);
+ udelay(2000);
+ gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 1);
+ } else {
+ msleep(15);
+ gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 0);
+ udelay(500);
+ gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 0);
+ udelay(1000);
+ gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 0);
+ gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0);
+ }
+}
+
+static void samsung_lcd_power(int on, struct fb_var_screeninfo *si)
+{
+ pr_debug("Samsung LCD power: %s\n", on ? "on" : "off");
+
+ if (on) {
+ if (system_rev < 3)
+ gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 1);
+ else
+ gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1);
+ mdelay(6);
+ gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 1);
+ mdelay(6); /* Avdd -> Voff >5ms */
+ gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 1);
+ mdelay(16); /* Voff -> Von >(5+10)ms */
+ gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 1);
+ } else {
+ gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 0);
+ mdelay(16);
+ gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 0);
+ mdelay(6);
+ gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 0);
+ mdelay(6);
+ if (system_rev < 3)
+ gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 0);
+ else
+ gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0);
+ }
+}
+
+static struct pxafb_mach_info toppoly_info = {
+ .modes = toppoly_modes,
+ .num_modes = 1,
+ .fixed_modes = 1,
+ .lcd_conn = LCD_COLOR_TFT_16BPP,
+ .pxafb_lcd_power = toppoly_lcd_power,
+};
+
+static struct pxafb_mach_info samsung_info = {
+ .modes = samsung_modes,
+ .num_modes = 1,
+ .fixed_modes = 1,
+ .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL |
+ LCD_ALTERNATE_MAPPING,
+ .pxafb_lcd_power = samsung_lcd_power,
+};
+
+/*
+ * Backlight
+ */
+
+static struct pwm_lookup magician_pwm_lookup[] = {
+ PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 30923,
+ PWM_POLARITY_NORMAL),
+};
+
+ /*
+ * fixed regulator for pwm_backlight
+ */
+
+static struct regulator_consumer_supply pwm_backlight_supply[] = {
+ REGULATOR_SUPPLY("power", "pwm_backlight"),
+};
+
+
+static struct gpio magician_bl_gpios[] = {
+ { EGPIO_MAGICIAN_BL_POWER, GPIOF_DIR_OUT, "Backlight power" },
+ { EGPIO_MAGICIAN_BL_POWER2, GPIOF_DIR_OUT, "Backlight power 2" },
+};
+
+static int magician_backlight_init(struct device *dev)
+{
+ return gpio_request_array(ARRAY_AND_SIZE(magician_bl_gpios));
+}
+
+static int magician_backlight_notify(struct device *dev, int brightness)
+{
+ pr_debug("Brightness = %i\n", brightness);
+ gpio_set_value(EGPIO_MAGICIAN_BL_POWER, brightness);
+ if (brightness >= 200) {
+ gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 1);
+ return brightness - 72;
+ } else {
+ gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 0);
+ return brightness;
+ }
+}
+
+static void magician_backlight_exit(struct device *dev)
+{
+ gpio_free_array(ARRAY_AND_SIZE(magician_bl_gpios));
+}
+
+/*
+ * LCD PWM backlight (main)
+ *
+ * MP1521 frequency should be:
+ * 100-400 Hz = 2 .5*10^6 - 10 *10^6 ns
+ */
+
+static struct platform_pwm_backlight_data backlight_data = {
+ .max_brightness = 272,
+ .dft_brightness = 100,
+ .init = magician_backlight_init,
+ .notify = magician_backlight_notify,
+ .exit = magician_backlight_exit,
+};
+
+static struct platform_device backlight = {
+ .name = "pwm-backlight",
+ .id = -1,
+ .dev = {
+ .parent = &pxa27x_device_pwm0.dev,
+ .platform_data = &backlight_data,
+ },
+};
+
+/*
+ * GPIO LEDs, Phone keys backlight, vibra
+ */
+
+static struct gpio_led gpio_leds[] = {
+ {
+ .name = "magician::vibra",
+ .default_trigger = "none",
+ .gpio = GPIO22_MAGICIAN_VIBRA_EN,
+ },
+ {
+ .name = "magician::phone_bl",
+ .default_trigger = "backlight",
+ .gpio = GPIO103_MAGICIAN_LED_KP,
+ },
+};
+
+static struct gpio_led_platform_data gpio_led_info = {
+ .leds = gpio_leds,
+ .num_leds = ARRAY_SIZE(gpio_leds),
+};
+
+static struct platform_device leds_gpio = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = &gpio_led_info,
+ },
+};
+
+/*
+ * PASIC3 with DS1WM
+ */
+
+static struct resource pasic3_resources[] = {
+ [0] = {
+ .start = PXA_CS2_PHYS,
+ .end = PXA_CS2_PHYS + 0x1b,
+ .flags = IORESOURCE_MEM,
+ },
+ /* No IRQ handler in the PASIC3, DS1WM needs an external IRQ */
+ [1] = {
+ .start = PXA_GPIO_TO_IRQ(GPIO107_MAGICIAN_DS1WM_IRQ),
+ .end = PXA_GPIO_TO_IRQ(GPIO107_MAGICIAN_DS1WM_IRQ),
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
+ }
+};
+
+static struct pasic3_platform_data pasic3_platform_data = {
+ .clock_rate = 4000000,
+};
+
+static struct platform_device pasic3 = {
+ .name = "pasic3",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(pasic3_resources),
+ .resource = pasic3_resources,
+ .dev = {
+ .platform_data = &pasic3_platform_data,
+ },
+};
+
+/*
+ * PXA UDC
+ */
+
+static void magician_udc_command(int cmd)
+{
+ if (cmd == PXA2XX_UDC_CMD_CONNECT)
+ UP2OCR |= UP2OCR_DPPUE | UP2OCR_DPPUBE;
+ else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)
+ UP2OCR &= ~(UP2OCR_DPPUE | UP2OCR_DPPUBE);
+}
+
+static struct pxa2xx_udc_mach_info magician_udc_info __initdata = {
+ .udc_command = magician_udc_command,
+ .gpio_pullup = GPIO27_MAGICIAN_USBC_PUEN,
+};
+
+/*
+ * USB device VBus detection
+ */
+
+static struct resource gpio_vbus_resource = {
+ .flags = IORESOURCE_IRQ,
+ .start = IRQ_MAGICIAN_VBUS,
+ .end = IRQ_MAGICIAN_VBUS,
+};
+
+static struct gpiod_lookup_table gpio_vbus_gpiod_table = {
+ .dev_id = "gpio-vbus",
+ .table = {
+ /*
+ * EGPIO on register 4 index 1, the second EGPIO chip
+ * starts at register 4 so this will be at index 1 on that
+ * chip.
+ */
+ GPIO_LOOKUP("htc-egpio-1", 1,
+ "vbus", GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("gpio-pxa", GPIO27_MAGICIAN_USBC_PUEN,
+ "pullup", GPIO_ACTIVE_HIGH),
+ { },
+ },
+};
+
+static struct platform_device gpio_vbus = {
+ .name = "gpio-vbus",
+ .id = -1,
+ .num_resources = 1,
+ .resource = &gpio_vbus_resource,
+};
+
+/*
+ * External power
+ */
+
+static int magician_supply_init(struct device *dev)
+{
+ int ret = -1;
+
+ ret = gpio_request(EGPIO_MAGICIAN_CABLE_TYPE, "Cable is AC charger");
+ if (ret) {
+ pr_err("Cannot request AC/USB charger GPIO (%i)\n", ret);
+ goto err_ac;
+ }
+
+ ret = gpio_request(EGPIO_MAGICIAN_CABLE_INSERTED, "Cable inserted");
+ if (ret) {
+ pr_err("Cannot request cable detection GPIO (%i)\n", ret);
+ goto err_usb;
+ }
+
+ return 0;
+
+err_usb:
+ gpio_free(EGPIO_MAGICIAN_CABLE_TYPE);
+err_ac:
+ return ret;
+}
+
+static void magician_set_charge(int flags)
+{
+ if (flags & PDA_POWER_CHARGE_AC) {
+ pr_debug("Charging from AC\n");
+ gpio_set_value(EGPIO_MAGICIAN_NICD_CHARGE, 1);
+ } else if (flags & PDA_POWER_CHARGE_USB) {
+ pr_debug("Charging from USB\n");
+ gpio_set_value(EGPIO_MAGICIAN_NICD_CHARGE, 1);
+ } else {
+ pr_debug("Charging disabled\n");
+ gpio_set_value(EGPIO_MAGICIAN_NICD_CHARGE, 0);
+ }
+}
+
+static int magician_is_ac_online(void)
+{
+ return gpio_get_value(EGPIO_MAGICIAN_CABLE_INSERTED) &&
+ gpio_get_value(EGPIO_MAGICIAN_CABLE_TYPE); /* AC=1 */
+}
+
+static int magician_is_usb_online(void)
+{
+ return gpio_get_value(EGPIO_MAGICIAN_CABLE_INSERTED) &&
+ (!gpio_get_value(EGPIO_MAGICIAN_CABLE_TYPE)); /* USB=0 */
+}
+
+static void magician_supply_exit(struct device *dev)
+{
+ gpio_free(EGPIO_MAGICIAN_CABLE_INSERTED);
+ gpio_free(EGPIO_MAGICIAN_CABLE_TYPE);
+}
+
+static char *magician_supplicants[] = {
+ "ds2760-battery.0", "backup-battery"
+};
+
+static struct pda_power_pdata power_supply_info = {
+ .init = magician_supply_init,
+ .exit = magician_supply_exit,
+ .is_ac_online = magician_is_ac_online,
+ .is_usb_online = magician_is_usb_online,
+ .set_charge = magician_set_charge,
+ .supplied_to = magician_supplicants,
+ .num_supplicants = ARRAY_SIZE(magician_supplicants),
+};
+
+static struct resource power_supply_resources[] = {
+ [0] = {
+ .name = "ac",
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
+ IORESOURCE_IRQ_LOWEDGE,
+ .start = IRQ_MAGICIAN_VBUS,
+ .end = IRQ_MAGICIAN_VBUS,
+ },
+ [1] = {
+ .name = "usb",
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
+ IORESOURCE_IRQ_LOWEDGE,
+ .start = IRQ_MAGICIAN_VBUS,
+ .end = IRQ_MAGICIAN_VBUS,
+ },
+};
+
+static struct platform_device power_supply = {
+ .name = "pda-power",
+ .id = -1,
+ .dev = {
+ .platform_data = &power_supply_info,
+ },
+ .resource = power_supply_resources,
+ .num_resources = ARRAY_SIZE(power_supply_resources),
+};
+
+/*
+ * Battery charger
+ */
+
+static struct regulator_consumer_supply bq24022_consumers[] = {
+ REGULATOR_SUPPLY("vbus_draw", NULL),
+ REGULATOR_SUPPLY("ac_draw", NULL),
+};
+
+static struct regulator_init_data bq24022_init_data = {
+ .constraints = {
+ .max_uA = 500000,
+ .valid_ops_mask = REGULATOR_CHANGE_CURRENT |
+ REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(bq24022_consumers),
+ .consumer_supplies = bq24022_consumers,
+};
+
+
+static enum gpiod_flags bq24022_gpiod_gflags[] = { GPIOD_OUT_LOW };
+
+static struct gpio_regulator_state bq24022_states[] = {
+ { .value = 100000, .gpios = (0 << 0) },
+ { .value = 500000, .gpios = (1 << 0) },
+};
+
+static struct gpio_regulator_config bq24022_info = {
+ .supply_name = "bq24022",
+
+ .enabled_at_boot = 1,
+
+ .gflags = bq24022_gpiod_gflags,
+ .ngpios = ARRAY_SIZE(bq24022_gpiod_gflags),
+
+ .states = bq24022_states,
+ .nr_states = ARRAY_SIZE(bq24022_states),
+
+ .type = REGULATOR_CURRENT,
+ .init_data = &bq24022_init_data,
+};
+
+static struct platform_device bq24022 = {
+ .name = "gpio-regulator",
+ .id = -1,
+ .dev = {
+ .platform_data = &bq24022_info,
+ },
+};
+
+static struct gpiod_lookup_table bq24022_gpiod_table = {
+ .dev_id = "gpio-regulator",
+ .table = {
+ GPIO_LOOKUP("htc-egpio-0", EGPIO_MAGICIAN_BQ24022_ISET2 - MAGICIAN_EGPIO_BASE,
+ NULL, GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("gpio-pxa", GPIO30_MAGICIAN_BQ24022_nCHARGE_EN,
+ "enable", GPIO_ACTIVE_LOW),
+ { },
+ },
+};
+
+/*
+ * fixed regulator for ads7846
+ */
+
+static struct regulator_consumer_supply ads7846_supply =
+ REGULATOR_SUPPLY("vcc", "spi2.0");
+
+static struct regulator_init_data vads7846_regulator = {
+ .constraints = {
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = 1,
+ .consumer_supplies = &ads7846_supply,
+};
+
+static struct fixed_voltage_config vads7846 = {
+ .supply_name = "vads7846",
+ .microvolts = 3300000, /* probably */
+ .startup_delay = 0,
+ .init_data = &vads7846_regulator,
+};
+
+static struct platform_device vads7846_device = {
+ .name = "reg-fixed-voltage",
+ .id = -1,
+ .dev = {
+ .platform_data = &vads7846,
+ },
+};
+
+/*
+ * Vcore regulator MAX1587A
+ */
+
+static struct regulator_consumer_supply magician_max1587a_consumers[] = {
+ REGULATOR_SUPPLY("vcc_core", NULL),
+};
+
+static struct regulator_init_data magician_max1587a_v3_info = {
+ .constraints = {
+ .name = "vcc_core range",
+ .min_uV = 700000,
+ .max_uV = 1475000,
+ .always_on = 1,
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
+ },
+ .consumer_supplies = magician_max1587a_consumers,
+ .num_consumer_supplies = ARRAY_SIZE(magician_max1587a_consumers),
+};
+
+static struct max1586_subdev_data magician_max1587a_subdevs[] = {
+ {
+ .name = "vcc_core",
+ .id = MAX1586_V3,
+ .platform_data = &magician_max1587a_v3_info,
+ }
+};
+
+static struct max1586_platform_data magician_max1587a_info = {
+ .subdevs = magician_max1587a_subdevs,
+ .num_subdevs = ARRAY_SIZE(magician_max1587a_subdevs),
+ /*
+ * NOTICE measured directly on the PCB (board_id == 0x3a), but
+ * if R24 is present, it will boost the voltage
+ * (write 1.475V, get 1.645V and smoke)
+ */
+ .v3_gain = MAX1586_GAIN_NO_R24,
+};
+
+static struct i2c_board_info magician_pwr_i2c_board_info[] __initdata = {
+ {
+ I2C_BOARD_INFO("max1586", 0x14),
+ .platform_data = &magician_max1587a_info,
+ },
+};
+
+/*
+ * MMC/SD
+ */
+
+static int magician_mci_init(struct device *dev,
+ irq_handler_t detect_irq, void *data)
+{
+ return request_irq(IRQ_MAGICIAN_SD, detect_irq, 0,
+ "mmc card detect", data);
+}
+
+static void magician_mci_exit(struct device *dev, void *data)
+{
+ free_irq(IRQ_MAGICIAN_SD, data);
+}
+
+static struct pxamci_platform_data magician_mci_info = {
+ .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
+ .init = magician_mci_init,
+ .exit = magician_mci_exit,
+ .gpio_card_ro_invert = 1,
+};
+
+/*
+ * Write protect on EGPIO register 5 index 4, this is on the second HTC
+ * EGPIO chip which starts at register 4, so we need offset 8+4=12 on that
+ * particular chip.
+ */
+#define EGPIO_MAGICIAN_nSD_READONLY_OFFSET 12
+/*
+ * Power on EGPIO register 2 index 0, so this is on the first HTC EGPIO chip
+ * starting at register 0 so we need offset 2*8+0 = 16 on that chip.
+ */
+#define EGPIO_MAGICIAN_nSD_POWER_OFFSET 16
+
+static struct gpiod_lookup_table magician_mci_gpio_table = {
+ .dev_id = "pxa2xx-mci.0",
+ .table = {
+ GPIO_LOOKUP("htc-egpio-1", EGPIO_MAGICIAN_nSD_READONLY_OFFSET,
+ "wp", GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("htc-egpio-0", EGPIO_MAGICIAN_nSD_POWER_OFFSET,
+ "power", GPIO_ACTIVE_HIGH),
+ { },
+ },
+};
+
+/*
+ * USB OHCI
+ */
+
+static struct pxaohci_platform_data magician_ohci_info = {
+ .port_mode = PMM_PERPORT_MODE,
+ /* port1: CSR Bluetooth, port2: OTG with UDC */
+ .flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
+ .power_budget = 0,
+ .power_on_delay = 100,
+};
+
+/*
+ * StrataFlash
+ */
+
+static int magician_flash_init(struct platform_device *pdev)
+{
+ int ret = gpio_request(EGPIO_MAGICIAN_FLASH_VPP, "flash Vpp enable");
+
+ if (ret) {
+ pr_err("Cannot request flash enable GPIO (%i)\n", ret);
+ return ret;
+ }
+
+ ret = gpio_direction_output(EGPIO_MAGICIAN_FLASH_VPP, 1);
+ if (ret) {
+ pr_err("Cannot set direction for flash enable (%i)\n", ret);
+ gpio_free(EGPIO_MAGICIAN_FLASH_VPP);
+ }
+
+ return ret;
+}
+
+static void magician_set_vpp(struct platform_device *pdev, int vpp)
+{
+ gpio_set_value(EGPIO_MAGICIAN_FLASH_VPP, vpp);
+}
+
+static void magician_flash_exit(struct platform_device *pdev)
+{
+ gpio_free(EGPIO_MAGICIAN_FLASH_VPP);
+}
+
+static struct resource strataflash_resource = {
+ .start = PXA_CS0_PHYS,
+ .end = PXA_CS0_PHYS + SZ_64M - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct mtd_partition magician_flash_parts[] = {
+ {
+ .name = "Bootloader",
+ .offset = 0x0,
+ .size = 0x40000,
+ .mask_flags = MTD_WRITEABLE, /* EXPERIMENTAL */
+ },
+ {
+ .name = "Linux Kernel",
+ .offset = 0x40000,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+/*
+ * physmap-flash driver
+ */
+
+static struct physmap_flash_data strataflash_data = {
+ .width = 4,
+ .init = magician_flash_init,
+ .set_vpp = magician_set_vpp,
+ .exit = magician_flash_exit,
+ .parts = magician_flash_parts,
+ .nr_parts = ARRAY_SIZE(magician_flash_parts),
+};
+
+static struct platform_device strataflash = {
+ .name = "physmap-flash",
+ .id = -1,
+ .resource = &strataflash_resource,
+ .num_resources = 1,
+ .dev = {
+ .platform_data = &strataflash_data,
+ },
+};
+
+/*
+ * audio support
+ */
+static struct uda1380_platform_data uda1380_info = {
+ .gpio_power = EGPIO_MAGICIAN_CODEC_POWER,
+ .gpio_reset = EGPIO_MAGICIAN_CODEC_RESET,
+ .dac_clk = UDA1380_DAC_CLK_WSPLL,
+};
+
+static struct i2c_board_info magician_audio_i2c_board_info[] = {
+ {
+ I2C_BOARD_INFO("uda1380", 0x18),
+ .platform_data = &uda1380_info,
+ },
+};
+
+static struct gpiod_lookup_table magician_audio_gpio_table = {
+ .dev_id = "magician-audio",
+ .table = {
+ GPIO_LOOKUP("htc-egpio-0",
+ EGPIO_MAGICIAN_SPK_POWER - MAGICIAN_EGPIO_BASE,
+ "SPK_POWER", GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("htc-egpio-0",
+ EGPIO_MAGICIAN_EP_POWER - MAGICIAN_EGPIO_BASE,
+ "EP_POWER", GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("htc-egpio-0",
+ EGPIO_MAGICIAN_MIC_POWER - MAGICIAN_EGPIO_BASE,
+ "MIC_POWER", GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("htc-egpio-0",
+ EGPIO_MAGICIAN_IN_SEL0 - MAGICIAN_EGPIO_BASE,
+ "IN_SEL0", GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("htc-egpio-0",
+ EGPIO_MAGICIAN_IN_SEL1 - MAGICIAN_EGPIO_BASE,
+ "IN_SEL1", GPIO_ACTIVE_HIGH),
+ { },
+ },
+};
+
+static void magician_audio_init(void)
+{
+ i2c_register_board_info(0,
+ ARRAY_AND_SIZE(magician_audio_i2c_board_info));
+
+ gpiod_add_lookup_table(&magician_audio_gpio_table);
+ platform_device_register_simple("magician-audio", -1, NULL, 0);
+}
+
+/*
+ * PXA I2C main controller
+ */
+
+static struct i2c_pxa_platform_data i2c_info = {
+ /* OV9640 I2C device doesn't support fast mode */
+ .fast_mode = 0,
+};
+
+/*
+ * PXA I2C power controller
+ */
+
+static struct i2c_pxa_platform_data magician_i2c_power_info = {
+ .fast_mode = 1,
+};
+
+/*
+ * Touchscreen
+ */
+
+static struct ads7846_platform_data ads7846_pdata = {
+ .model = 7846,
+ .x_plate_ohms = 317,
+ .y_plate_ohms = 500,
+ .pressure_max = 1023, /* with x plate ohms it will overflow 255 */
+ .debounce_max = 3, /* first readout is always bad */
+ .debounce_tol = 30,
+ .debounce_rep = 0,
+ .gpio_pendown = GPIO115_MAGICIAN_nPEN_IRQ,
+ .keep_vref_on = 1,
+ .wakeup = true,
+ .vref_delay_usecs = 100,
+ .penirq_recheck_delay_usecs = 100,
+};
+
+struct pxa2xx_spi_chip tsc2046_chip_info = {
+ .tx_threshold = 1,
+ .rx_threshold = 2,
+ .timeout = 64,
+};
+
+static struct pxa2xx_spi_controller magician_spi_info = {
+ .num_chipselect = 1,
+ .enable_dma = 1,
+};
+
+static struct gpiod_lookup_table magician_spi_gpio_table = {
+ .dev_id = "spi2",
+ .table = {
+ /* NOTICE must be GPIO, incompatibility with hw PXA SPI framing */
+ GPIO_LOOKUP_IDX("gpio-pxa", GPIO14_MAGICIAN_TSC2046_CS, "cs", 0, GPIO_ACTIVE_LOW),
+ { },
+ },
+};
+
+static struct spi_board_info ads7846_spi_board_info[] __initdata = {
+ {
+ .modalias = "ads7846",
+ .bus_num = 2,
+ .max_speed_hz = 2500000,
+ .platform_data = &ads7846_pdata,
+ .controller_data = &tsc2046_chip_info,
+ .irq = PXA_GPIO_TO_IRQ(GPIO115_MAGICIAN_nPEN_IRQ),
+ },
+};
+
+/*
+ * Platform devices
+ */
+
+static struct platform_device *devices[] __initdata = {
+ &gpio_keys,
+ &egpio,
+ &backlight,
+ &pasic3,
+ &bq24022,
+ &gpio_vbus,
+ &power_supply,
+ &strataflash,
+ &leds_gpio,
+ &vads7846_device,
+};
+
+static struct gpio magician_global_gpios[] = {
+ { GPIO13_MAGICIAN_CPLD_IRQ, GPIOF_IN, "CPLD_IRQ" },
+ { GPIO107_MAGICIAN_DS1WM_IRQ, GPIOF_IN, "DS1WM_IRQ" },
+
+ /* NOTICE valid LCD init sequence */
+ { GPIO106_MAGICIAN_LCD_DCDC_NRESET, GPIOF_OUT_INIT_LOW, "LCD DCDC nreset" },
+ { GPIO104_MAGICIAN_LCD_VOFF_EN, GPIOF_OUT_INIT_LOW, "LCD VOFF enable" },
+ { GPIO105_MAGICIAN_LCD_VON_EN, GPIOF_OUT_INIT_LOW, "LCD VON enable" },
+};
+
+static void __init magician_init(void)
+{
+ void __iomem *cpld;
+ int lcd_select;
+ int err;
+
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(magician_pin_config));
+ err = gpio_request_array(ARRAY_AND_SIZE(magician_global_gpios));
+ if (err)
+ pr_err("magician: Failed to request global GPIOs: %d\n", err);
+
+ pxa_set_ffuart_info(NULL);
+ pxa_set_btuart_info(NULL);
+
+ pwm_add_table(magician_pwm_lookup, ARRAY_SIZE(magician_pwm_lookup));
+
+ pxa_set_ficp_info(&magician_ficp_info);
+ pxa27x_set_i2c_power_info(&magician_i2c_power_info);
+ pxa_set_i2c_info(&i2c_info);
+
+ i2c_register_board_info(1,
+ ARRAY_AND_SIZE(magician_pwr_i2c_board_info));
+
+ gpiod_add_lookup_table(&magician_mci_gpio_table);
+ pxa_set_mci_info(&magician_mci_info);
+ pxa_set_ohci_info(&magician_ohci_info);
+ pxa_set_udc_info(&magician_udc_info);
+
+ /* Check LCD type we have */
+ cpld = ioremap(PXA_CS3_PHYS, 0x1000);
+ if (cpld) {
+ u8 board_id = __raw_readb(cpld + 0x14);
+
+ iounmap(cpld);
+ system_rev = board_id & 0x7;
+ lcd_select = board_id & 0x8;
+ pr_info("LCD type: %s\n", lcd_select ? "Samsung" : "Toppoly");
+ if (lcd_select && (system_rev < 3))
+ /* NOTICE valid LCD init sequence */
+ gpio_request_one(GPIO75_MAGICIAN_SAMSUNG_POWER,
+ GPIOF_OUT_INIT_LOW, "Samsung LCD Power");
+ pxa_set_fb_info(NULL,
+ lcd_select ? &samsung_info : &toppoly_info);
+ } else
+ pr_err("LCD detection: CPLD mapping failed\n");
+
+ gpiod_add_lookup_table(&magician_spi_gpio_table);
+ pxa2xx_set_spi_info(2, &magician_spi_info);
+ spi_register_board_info(ARRAY_AND_SIZE(ads7846_spi_board_info));
+
+ regulator_register_always_on(0, "power", pwm_backlight_supply,
+ ARRAY_SIZE(pwm_backlight_supply), 5000000);
+
+ gpiod_add_lookup_table(&bq24022_gpiod_table);
+ gpiod_add_lookup_table(&gpio_vbus_gpiod_table);
+ platform_add_devices(ARRAY_AND_SIZE(devices));
+
+ magician_audio_init();
+}
+
+MACHINE_START(MAGICIAN, "HTC Magician")
+ .atag_offset = 0x100,
+ .map_io = pxa27x_map_io,
+ .nr_irqs = MAGICIAN_NR_IRQS,
+ .init_irq = pxa27x_init_irq,
+ .handle_irq = pxa27x_handle_irq,
+ .init_machine = magician_init,
+ .init_time = pxa_timer_init,
+ .restart = pxa_restart,
+MACHINE_END