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-rw-r--r--arch/arm/mach-pxa/hx4700.c942
1 files changed, 942 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/hx4700.c b/arch/arm/mach-pxa/hx4700.c
new file mode 100644
index 000000000..2fd665944
--- /dev/null
+++ b/arch/arm/mach-pxa/hx4700.c
@@ -0,0 +1,942 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Support for HP iPAQ hx4700 PDAs.
+ *
+ * Copyright (c) 2008-2009 Philipp Zabel
+ *
+ * Based on code:
+ * Copyright (c) 2004 Hewlett-Packard Company.
+ * Copyright (c) 2005 SDG Systems, LLC
+ * Copyright (c) 2006 Anton Vorontsov <cbou@mail.ru>
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/fb.h>
+#include <linux/gpio/machine.h>
+#include <linux/gpio.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/input/navpoint.h>
+#include <linux/lcd.h>
+#include <linux/mfd/asic3.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/gpio-regulator.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/max1586.h>
+#include <linux/spi/ads7846.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/pxa2xx_spi.h>
+#include <linux/platform_data/i2c-pxa.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include "pxa27x.h"
+#include "addr-map.h"
+#include "hx4700.h"
+#include <linux/platform_data/irda-pxaficp.h>
+
+#include <sound/ak4641.h>
+#include <video/platform_lcd.h>
+#include <video/w100fb.h>
+
+#include "devices.h"
+#include "generic.h"
+#include "udc.h"
+
+/* Physical address space information */
+
+#define ATI_W3220_PHYS PXA_CS2_PHYS /* ATI Imageon 3220 Graphics */
+#define ASIC3_PHYS PXA_CS3_PHYS
+#define ASIC3_SD_PHYS (PXA_CS3_PHYS + 0x02000000)
+
+static unsigned long hx4700_pin_config[] __initdata = {
+
+ /* SDRAM and Static Memory I/O Signals */
+ GPIO20_nSDCS_2,
+ GPIO21_nSDCS_3,
+ GPIO15_nCS_1,
+ GPIO78_nCS_2, /* W3220 */
+ GPIO79_nCS_3, /* ASIC3 */
+ GPIO80_nCS_4,
+ GPIO33_nCS_5, /* EGPIO, WLAN */
+
+ /* PC CARD */
+ GPIO48_nPOE,
+ GPIO49_nPWE,
+ GPIO50_nPIOR,
+ GPIO51_nPIOW,
+ GPIO54_nPCE_2,
+ GPIO55_nPREG,
+ GPIO56_nPWAIT,
+ GPIO57_nIOIS16,
+ GPIO85_nPCE_1,
+ GPIO104_PSKTSEL,
+
+ /* I2C */
+ GPIO117_I2C_SCL,
+ GPIO118_I2C_SDA,
+
+ /* FFUART (RS-232) */
+ GPIO34_FFUART_RXD,
+ GPIO35_FFUART_CTS,
+ GPIO36_FFUART_DCD,
+ GPIO37_FFUART_DSR,
+ GPIO38_FFUART_RI,
+ GPIO39_FFUART_TXD,
+ GPIO40_FFUART_DTR,
+ GPIO41_FFUART_RTS,
+
+ /* BTUART */
+ GPIO42_BTUART_RXD,
+ GPIO43_BTUART_TXD_LPM_LOW,
+ GPIO44_BTUART_CTS,
+ GPIO45_BTUART_RTS_LPM_LOW,
+
+ /* STUART (IRDA) */
+ GPIO46_STUART_RXD,
+ GPIO47_STUART_TXD,
+
+ /* PWM 1 (Backlight) */
+ GPIO17_PWM1_OUT,
+
+ /* I2S */
+ GPIO28_I2S_BITCLK_OUT,
+ GPIO29_I2S_SDATA_IN,
+ GPIO30_I2S_SDATA_OUT,
+ GPIO31_I2S_SYNC,
+ GPIO113_I2S_SYSCLK,
+
+ /* SSP 1 (NavPoint) */
+ GPIO23_SSP1_SCLK_IN,
+ GPIO24_SSP1_SFRM,
+ GPIO25_SSP1_TXD,
+ GPIO26_SSP1_RXD,
+
+ /* SSP 2 (TSC2046) */
+ GPIO19_SSP2_SCLK,
+ GPIO86_SSP2_RXD,
+ GPIO87_SSP2_TXD,
+ GPIO88_GPIO | MFP_LPM_DRIVE_HIGH, /* TSC2046_CS */
+
+ /* BQ24022 Regulator */
+ GPIO72_GPIO | MFP_LPM_KEEP_OUTPUT, /* BQ24022_nCHARGE_EN */
+ GPIO96_GPIO | MFP_LPM_KEEP_OUTPUT, /* BQ24022_ISET2 */
+
+ /* HX4700 specific input GPIOs */
+ GPIO12_GPIO | WAKEUP_ON_EDGE_RISE, /* ASIC3_IRQ */
+ GPIO13_GPIO, /* W3220_IRQ */
+ GPIO14_GPIO, /* nWLAN_IRQ */
+
+ /* HX4700 specific output GPIOs */
+ GPIO61_GPIO | MFP_LPM_DRIVE_HIGH, /* W3220_nRESET */
+ GPIO71_GPIO | MFP_LPM_DRIVE_HIGH, /* ASIC3_nRESET */
+ GPIO81_GPIO | MFP_LPM_DRIVE_HIGH, /* CPU_GP_nRESET */
+ GPIO116_GPIO | MFP_LPM_DRIVE_HIGH, /* CPU_HW_nRESET */
+ GPIO102_GPIO | MFP_LPM_DRIVE_LOW, /* SYNAPTICS_POWER_ON */
+
+ GPIO10_GPIO, /* GSM_IRQ */
+ GPIO13_GPIO, /* CPLD_IRQ */
+ GPIO107_GPIO, /* DS1WM_IRQ */
+ GPIO108_GPIO, /* GSM_READY */
+ GPIO58_GPIO, /* TSC2046_nPENIRQ */
+ GPIO66_GPIO, /* nSDIO_IRQ */
+};
+
+/*
+ * IRDA
+ */
+
+static struct pxaficp_platform_data ficp_info = {
+ .gpio_pwdown = GPIO105_HX4700_nIR_ON,
+ .transceiver_cap = IR_SIRMODE | IR_OFF,
+};
+
+/*
+ * GPIO Keys
+ */
+
+#define INIT_KEY(_code, _gpio, _active_low, _desc) \
+ { \
+ .code = KEY_##_code, \
+ .gpio = _gpio, \
+ .active_low = _active_low, \
+ .desc = _desc, \
+ .type = EV_KEY, \
+ .wakeup = 1, \
+ }
+
+static struct gpio_keys_button gpio_keys_buttons[] = {
+ INIT_KEY(POWER, GPIO0_HX4700_nKEY_POWER, 1, "Power button"),
+ INIT_KEY(MAIL, GPIO94_HX4700_KEY_MAIL, 0, "Mail button"),
+ INIT_KEY(ADDRESSBOOK, GPIO99_HX4700_KEY_CONTACTS,0, "Contacts button"),
+ INIT_KEY(RECORD, GPIOD6_nKEY_RECORD, 1, "Record button"),
+ INIT_KEY(CALENDAR, GPIOD1_nKEY_CALENDAR, 1, "Calendar button"),
+ INIT_KEY(HOMEPAGE, GPIOD3_nKEY_HOME, 1, "Home button"),
+};
+
+static struct gpio_keys_platform_data gpio_keys_data = {
+ .buttons = gpio_keys_buttons,
+ .nbuttons = ARRAY_SIZE(gpio_keys_buttons),
+};
+
+static struct platform_device gpio_keys = {
+ .name = "gpio-keys",
+ .dev = {
+ .platform_data = &gpio_keys_data,
+ },
+ .id = -1,
+};
+
+/*
+ * Synaptics NavPoint connected to SSP1
+ */
+
+static struct navpoint_platform_data navpoint_platform_data = {
+ .port = 1,
+ .gpio = GPIO102_HX4700_SYNAPTICS_POWER_ON,
+};
+
+static struct platform_device navpoint = {
+ .name = "navpoint",
+ .id = -1,
+ .dev = {
+ .platform_data = &navpoint_platform_data,
+ },
+};
+
+/*
+ * ASIC3
+ */
+
+static u16 asic3_gpio_config[] = {
+ /* ASIC3 GPIO banks A and B along with some of C and D
+ implement the buffering for the CF slot. */
+ ASIC3_CONFIG_GPIO(0, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(1, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(2, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(3, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(4, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(5, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(6, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(7, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(8, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(9, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(10, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(11, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(12, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(13, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(14, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(15, 1, 1, 0),
+
+ ASIC3_CONFIG_GPIO(16, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(17, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(18, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(19, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(20, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(21, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(22, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(23, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(24, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(25, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(26, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(27, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(28, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(29, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(30, 1, 1, 0),
+ ASIC3_CONFIG_GPIO(31, 1, 1, 0),
+
+ /* GPIOC - CF, LEDs, SD */
+ ASIC3_GPIOC0_LED0, /* red */
+ ASIC3_GPIOC1_LED1, /* green */
+ ASIC3_GPIOC2_LED2, /* blue */
+ ASIC3_GPIOC5_nCIOW,
+ ASIC3_GPIOC6_nCIOR,
+ ASIC3_GPIOC7_nPCE_1,
+ ASIC3_GPIOC8_nPCE_2,
+ ASIC3_GPIOC9_nPOE,
+ ASIC3_GPIOC10_nPWE,
+ ASIC3_GPIOC11_PSKTSEL,
+ ASIC3_GPIOC12_nPREG,
+ ASIC3_GPIOC13_nPWAIT,
+ ASIC3_GPIOC14_nPIOIS16,
+ ASIC3_GPIOC15_nPIOR,
+
+ /* GPIOD: input GPIOs, CF */
+ ASIC3_GPIOD4_CF_nCD,
+ ASIC3_GPIOD11_nCIOIS16,
+ ASIC3_GPIOD12_nCWAIT,
+ ASIC3_GPIOD15_nPIOW,
+};
+
+static struct asic3_led asic3_leds[ASIC3_NUM_LEDS] = {
+ [0] = {
+ .name = "hx4700:amber",
+ .default_trigger = "ds2760-battery.0-charging-blink-full-solid",
+ },
+ [1] = {
+ .name = "hx4700:green",
+ .default_trigger = "unused",
+ },
+ [2] = {
+ .name = "hx4700:blue",
+ .default_trigger = "hx4700-radio",
+ },
+};
+
+static struct resource asic3_resources[] = {
+ /* GPIO part */
+ [0] = DEFINE_RES_MEM(ASIC3_PHYS, ASIC3_MAP_SIZE_16BIT),
+ [1] = DEFINE_RES_IRQ(PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ)),
+ /* SD part */
+ [2] = DEFINE_RES_MEM(ASIC3_SD_PHYS, ASIC3_MAP_SIZE_16BIT),
+ [3] = DEFINE_RES_IRQ(PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ)),
+};
+
+static struct asic3_platform_data asic3_platform_data = {
+ .gpio_config = asic3_gpio_config,
+ .gpio_config_num = ARRAY_SIZE(asic3_gpio_config),
+ .irq_base = IRQ_BOARD_START,
+ .gpio_base = HX4700_ASIC3_GPIO_BASE,
+ .clock_rate = 4000000,
+ .leds = asic3_leds,
+};
+
+static struct platform_device asic3 = {
+ .name = "asic3",
+ .id = -1,
+ .resource = asic3_resources,
+ .num_resources = ARRAY_SIZE(asic3_resources),
+ .dev = {
+ .platform_data = &asic3_platform_data,
+ },
+};
+
+/*
+ * EGPIO
+ */
+
+static struct resource egpio_resources[] = {
+ [0] = DEFINE_RES_MEM(PXA_CS5_PHYS, 0x4),
+};
+
+static struct htc_egpio_chip egpio_chips[] = {
+ [0] = {
+ .reg_start = 0,
+ .gpio_base = HX4700_EGPIO_BASE,
+ .num_gpios = 8,
+ .direction = HTC_EGPIO_OUTPUT,
+ },
+};
+
+static struct htc_egpio_platform_data egpio_info = {
+ .reg_width = 16,
+ .bus_width = 16,
+ .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,
+ },
+};
+
+/*
+ * LCD - Sony display connected to ATI Imageon w3220
+ */
+
+static void sony_lcd_init(void)
+{
+ gpio_set_value(GPIO84_HX4700_LCD_SQN, 1);
+ gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
+ gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
+ gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 0);
+ gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
+ mdelay(10);
+ gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
+ gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
+ mdelay(20);
+
+ gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1);
+ mdelay(5);
+ gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1);
+
+ /* FIXME: init w3220 registers here */
+
+ mdelay(5);
+ gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 1);
+ mdelay(10);
+ gpio_set_value(GPIO62_HX4700_LCD_nRESET, 1);
+ mdelay(10);
+ gpio_set_value(GPIO59_HX4700_LCD_PC1, 1);
+ mdelay(10);
+ gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 1);
+}
+
+static void sony_lcd_off(void)
+{
+ gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
+ gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
+ mdelay(10);
+ gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 0);
+ mdelay(10);
+ gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
+ mdelay(10);
+ gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
+}
+
+#ifdef CONFIG_PM
+static void w3220_lcd_suspend(struct w100fb_par *wfb)
+{
+ sony_lcd_off();
+}
+
+static void w3220_lcd_resume(struct w100fb_par *wfb)
+{
+ sony_lcd_init();
+}
+#else
+#define w3220_lcd_resume NULL
+#define w3220_lcd_suspend NULL
+#endif
+
+static struct w100_tg_info w3220_tg_info = {
+ .suspend = w3220_lcd_suspend,
+ .resume = w3220_lcd_resume,
+};
+
+/* W3220_VGA QVGA */
+static struct w100_gen_regs w3220_regs = {
+ .lcd_format = 0x00000003,
+ .lcdd_cntl1 = 0x00000000,
+ .lcdd_cntl2 = 0x0003ffff,
+ .genlcd_cntl1 = 0x00abf003, /* 0x00fff003 */
+ .genlcd_cntl2 = 0x00000003,
+ .genlcd_cntl3 = 0x000102aa,
+};
+
+static struct w100_mode w3220_modes[] = {
+{
+ .xres = 480,
+ .yres = 640,
+ .left_margin = 15,
+ .right_margin = 16,
+ .upper_margin = 8,
+ .lower_margin = 7,
+ .crtc_ss = 0x00000000,
+ .crtc_ls = 0xa1ff01f9, /* 0x21ff01f9 */
+ .crtc_gs = 0xc0000000, /* 0x40000000 */
+ .crtc_vpos_gs = 0x0000028f,
+ .crtc_ps1_active = 0x00000000, /* 0x41060010 */
+ .crtc_rev = 0,
+ .crtc_dclk = 0x80000000,
+ .crtc_gclk = 0x040a0104,
+ .crtc_goe = 0,
+ .pll_freq = 95,
+ .pixclk_divider = 4,
+ .pixclk_divider_rotated = 4,
+ .pixclk_src = CLK_SRC_PLL,
+ .sysclk_divider = 0,
+ .sysclk_src = CLK_SRC_PLL,
+},
+{
+ .xres = 240,
+ .yres = 320,
+ .left_margin = 9,
+ .right_margin = 8,
+ .upper_margin = 5,
+ .lower_margin = 4,
+ .crtc_ss = 0x80150014,
+ .crtc_ls = 0xa0fb00f7,
+ .crtc_gs = 0xc0080007,
+ .crtc_vpos_gs = 0x00080007,
+ .crtc_rev = 0x0000000a,
+ .crtc_dclk = 0x81700030,
+ .crtc_gclk = 0x8015010f,
+ .crtc_goe = 0x00000000,
+ .pll_freq = 95,
+ .pixclk_divider = 4,
+ .pixclk_divider_rotated = 4,
+ .pixclk_src = CLK_SRC_PLL,
+ .sysclk_divider = 0,
+ .sysclk_src = CLK_SRC_PLL,
+},
+};
+
+struct w100_mem_info w3220_mem_info = {
+ .ext_cntl = 0x09640011,
+ .sdram_mode_reg = 0x00600021,
+ .ext_timing_cntl = 0x1a001545, /* 0x15001545 */
+ .io_cntl = 0x7ddd7333,
+ .size = 0x1fffff,
+};
+
+struct w100_bm_mem_info w3220_bm_mem_info = {
+ .ext_mem_bw = 0x50413e01,
+ .offset = 0,
+ .ext_timing_ctl = 0x00043f7f,
+ .ext_cntl = 0x00000010,
+ .mode_reg = 0x00250000,
+ .io_cntl = 0x0fff0000,
+ .config = 0x08301480,
+};
+
+static struct w100_gpio_regs w3220_gpio_info = {
+ .init_data1 = 0xdfe00100, /* GPIO_DATA */
+ .gpio_dir1 = 0xffff0000, /* GPIO_CNTL1 */
+ .gpio_oe1 = 0x00000000, /* GPIO_CNTL2 */
+ .init_data2 = 0x00000000, /* GPIO_DATA2 */
+ .gpio_dir2 = 0x00000000, /* GPIO_CNTL3 */
+ .gpio_oe2 = 0x00000000, /* GPIO_CNTL4 */
+};
+
+static struct w100fb_mach_info w3220_info = {
+ .tg = &w3220_tg_info,
+ .mem = &w3220_mem_info,
+ .bm_mem = &w3220_bm_mem_info,
+ .gpio = &w3220_gpio_info,
+ .regs = &w3220_regs,
+ .modelist = w3220_modes,
+ .num_modes = 2,
+ .xtal_freq = 16000000,
+};
+
+static struct resource w3220_resources[] = {
+ [0] = DEFINE_RES_MEM(ATI_W3220_PHYS, SZ_16M),
+};
+
+static struct platform_device w3220 = {
+ .name = "w100fb",
+ .id = -1,
+ .dev = {
+ .platform_data = &w3220_info,
+ },
+ .num_resources = ARRAY_SIZE(w3220_resources),
+ .resource = w3220_resources,
+};
+
+static void hx4700_lcd_set_power(struct plat_lcd_data *pd, unsigned int power)
+{
+ if (power)
+ sony_lcd_init();
+ else
+ sony_lcd_off();
+}
+
+static struct plat_lcd_data hx4700_lcd_data = {
+ .set_power = hx4700_lcd_set_power,
+};
+
+static struct platform_device hx4700_lcd = {
+ .name = "platform-lcd",
+ .id = -1,
+ .dev = {
+ .platform_data = &hx4700_lcd_data,
+ .parent = &w3220.dev,
+ },
+};
+
+/*
+ * Backlight
+ */
+
+static struct platform_pwm_backlight_data backlight_data = {
+ .max_brightness = 200,
+ .dft_brightness = 100,
+};
+
+static struct platform_device backlight = {
+ .name = "pwm-backlight",
+ .id = -1,
+ .dev = {
+ .parent = &pxa27x_device_pwm1.dev,
+ .platform_data = &backlight_data,
+ },
+};
+
+static struct pwm_lookup hx4700_pwm_lookup[] = {
+ PWM_LOOKUP("pxa27x-pwm.1", 0, "pwm-backlight", NULL,
+ 30923, PWM_POLARITY_NORMAL),
+};
+
+/*
+ * USB "Transceiver"
+ */
+
+static struct gpiod_lookup_table gpio_vbus_gpiod_table = {
+ .dev_id = "gpio-vbus",
+ .table = {
+ /* This GPIO is on ASIC3 */
+ GPIO_LOOKUP("asic3",
+ /* Convert to a local offset on the ASIC3 */
+ GPIOD14_nUSBC_DETECT - HX4700_ASIC3_GPIO_BASE,
+ "vbus", GPIO_ACTIVE_LOW),
+ /* This one is on the primary SOC GPIO */
+ GPIO_LOOKUP("gpio-pxa", GPIO76_HX4700_USBC_PUEN,
+ "pullup", GPIO_ACTIVE_HIGH),
+ { },
+ },
+};
+
+static struct platform_device gpio_vbus = {
+ .name = "gpio-vbus",
+ .id = -1,
+};
+
+static struct pxa2xx_udc_mach_info hx4700_udc_info;
+
+/*
+ * Touchscreen - TSC2046 connected to SSP2
+ */
+
+static const struct ads7846_platform_data tsc2046_info = {
+ .model = 7846,
+ .vref_delay_usecs = 100,
+ .pressure_max = 1024,
+ .debounce_max = 10,
+ .debounce_tol = 3,
+ .debounce_rep = 1,
+ .gpio_pendown = GPIO58_HX4700_TSC2046_nPENIRQ,
+};
+
+static struct pxa2xx_spi_chip tsc2046_chip = {
+ .tx_threshold = 1,
+ .rx_threshold = 2,
+ .timeout = 64,
+};
+
+static struct spi_board_info tsc2046_board_info[] __initdata = {
+ {
+ .modalias = "ads7846",
+ .bus_num = 2,
+ .max_speed_hz = 2600000, /* 100 kHz sample rate */
+ .irq = PXA_GPIO_TO_IRQ(GPIO58_HX4700_TSC2046_nPENIRQ),
+ .platform_data = &tsc2046_info,
+ .controller_data = &tsc2046_chip,
+ },
+};
+
+static struct pxa2xx_spi_controller pxa_ssp2_master_info = {
+ .num_chipselect = 1,
+ .enable_dma = 1,
+};
+
+static struct gpiod_lookup_table pxa_ssp2_gpio_table = {
+ .dev_id = "spi2",
+ .table = {
+ GPIO_LOOKUP_IDX("gpio-pxa", GPIO88_HX4700_TSC2046_CS, "cs", 0, GPIO_ACTIVE_LOW),
+ { },
+ },
+};
+
+/*
+ * External power
+ */
+
+static int power_supply_init(struct device *dev)
+{
+ return gpio_request(GPIOD9_nAC_IN, "AC charger detect");
+}
+
+static int hx4700_is_ac_online(void)
+{
+ return !gpio_get_value(GPIOD9_nAC_IN);
+}
+
+static void power_supply_exit(struct device *dev)
+{
+ gpio_free(GPIOD9_nAC_IN);
+}
+
+static char *hx4700_supplicants[] = {
+ "ds2760-battery.0", "backup-battery"
+};
+
+static struct pda_power_pdata power_supply_info = {
+ .init = power_supply_init,
+ .is_ac_online = hx4700_is_ac_online,
+ .exit = power_supply_exit,
+ .supplied_to = hx4700_supplicants,
+ .num_supplicants = ARRAY_SIZE(hx4700_supplicants),
+};
+
+static struct resource power_supply_resources[] = {
+ [0] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN), 1, "ac",
+ IORESOURCE_IRQ |
+ IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE),
+ [1] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT), 1, "usb",
+ IORESOURCE_IRQ |
+ IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE),
+};
+
+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 = 0,
+
+ .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("gpio-pxa", GPIO96_HX4700_BQ24022_ISET2,
+ NULL, GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("gpio-pxa", GPIO72_HX4700_BQ24022_nCHARGE_EN,
+ "enable", GPIO_ACTIVE_LOW),
+ { },
+ },
+};
+
+/*
+ * StrataFlash
+ */
+
+static void hx4700_set_vpp(struct platform_device *pdev, int vpp)
+{
+ gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp);
+}
+
+static struct resource strataflash_resource[] = {
+ [0] = DEFINE_RES_MEM(PXA_CS0_PHYS, SZ_64M),
+ [1] = DEFINE_RES_MEM(PXA_CS0_PHYS + SZ_64M, SZ_64M),
+};
+
+static struct physmap_flash_data strataflash_data = {
+ .width = 4,
+ .set_vpp = hx4700_set_vpp,
+};
+
+static struct platform_device strataflash = {
+ .name = "physmap-flash",
+ .id = -1,
+ .resource = strataflash_resource,
+ .num_resources = ARRAY_SIZE(strataflash_resource),
+ .dev = {
+ .platform_data = &strataflash_data,
+ },
+};
+
+/*
+ * Maxim MAX1587A on PI2C
+ */
+
+static struct regulator_consumer_supply max1587a_consumer =
+ REGULATOR_SUPPLY("vcc_core", NULL);
+
+static struct regulator_init_data max1587a_v3_info = {
+ .constraints = {
+ .name = "vcc_core range",
+ .min_uV = 900000,
+ .max_uV = 1705000,
+ .always_on = 1,
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
+ },
+ .num_consumer_supplies = 1,
+ .consumer_supplies = &max1587a_consumer,
+};
+
+static struct max1586_subdev_data max1587a_subdev = {
+ .name = "vcc_core",
+ .id = MAX1586_V3,
+ .platform_data = &max1587a_v3_info,
+};
+
+static struct max1586_platform_data max1587a_info = {
+ .num_subdevs = 1,
+ .subdevs = &max1587a_subdev,
+ .v3_gain = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
+};
+
+static struct i2c_board_info __initdata pi2c_board_info[] = {
+ {
+ I2C_BOARD_INFO("max1586", 0x14),
+ .platform_data = &max1587a_info,
+ },
+};
+
+/*
+ * Asahi Kasei AK4641 on I2C
+ */
+
+static struct ak4641_platform_data ak4641_info = {
+ .gpio_power = GPIO27_HX4700_CODEC_ON,
+ .gpio_npdn = GPIO109_HX4700_CODEC_nPDN,
+};
+
+static struct i2c_board_info i2c_board_info[] __initdata = {
+ {
+ I2C_BOARD_INFO("ak4641", 0x12),
+ .platform_data = &ak4641_info,
+ },
+};
+
+static struct gpiod_lookup_table hx4700_audio_gpio_table = {
+ .dev_id = "hx4700-audio",
+ .table = {
+ GPIO_LOOKUP("gpio-pxa", GPIO75_HX4700_EARPHONE_nDET,
+ "earphone-det", GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP("gpio-pxa", GPIO92_HX4700_HP_DRIVER,
+ "hp-driver", GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("gpio-pxa", GPIO107_HX4700_SPK_nSD,
+ "spk-sd", GPIO_ACTIVE_LOW),
+ { },
+ },
+};
+
+static struct platform_device audio = {
+ .name = "hx4700-audio",
+ .id = -1,
+};
+
+
+/*
+ * Platform devices
+ */
+
+static struct platform_device *devices[] __initdata = {
+ &asic3,
+ &gpio_keys,
+ &navpoint,
+ &backlight,
+ &w3220,
+ &hx4700_lcd,
+ &egpio,
+ &bq24022,
+ &gpio_vbus,
+ &power_supply,
+ &strataflash,
+ &audio,
+};
+
+static struct gpio global_gpios[] = {
+ { GPIO12_HX4700_ASIC3_IRQ, GPIOF_IN, "ASIC3_IRQ" },
+ { GPIO13_HX4700_W3220_IRQ, GPIOF_IN, "W3220_IRQ" },
+ { GPIO14_HX4700_nWLAN_IRQ, GPIOF_IN, "WLAN_IRQ" },
+ { GPIO59_HX4700_LCD_PC1, GPIOF_OUT_INIT_HIGH, "LCD_PC1" },
+ { GPIO62_HX4700_LCD_nRESET, GPIOF_OUT_INIT_HIGH, "LCD_RESET" },
+ { GPIO70_HX4700_LCD_SLIN1, GPIOF_OUT_INIT_HIGH, "LCD_SLIN1" },
+ { GPIO84_HX4700_LCD_SQN, GPIOF_OUT_INIT_HIGH, "LCD_SQN" },
+ { GPIO110_HX4700_LCD_LVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_LVDD" },
+ { GPIO111_HX4700_LCD_AVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_AVDD" },
+ { GPIO32_HX4700_RS232_ON, GPIOF_OUT_INIT_HIGH, "RS232_ON" },
+ { GPIO61_HX4700_W3220_nRESET, GPIOF_OUT_INIT_HIGH, "W3220_nRESET" },
+ { GPIO71_HX4700_ASIC3_nRESET, GPIOF_OUT_INIT_HIGH, "ASIC3_nRESET" },
+ { GPIO81_HX4700_CPU_GP_nRESET, GPIOF_OUT_INIT_HIGH, "CPU_GP_nRESET" },
+ { GPIO82_HX4700_EUART_RESET, GPIOF_OUT_INIT_HIGH, "EUART_RESET" },
+ { GPIO116_HX4700_CPU_HW_nRESET, GPIOF_OUT_INIT_HIGH, "CPU_HW_nRESET" },
+};
+
+static void __init hx4700_init(void)
+{
+ int ret;
+
+ PCFR = PCFR_GPR_EN | PCFR_OPDE;
+
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(hx4700_pin_config));
+ gpio_set_wake(GPIO12_HX4700_ASIC3_IRQ, 1);
+ ret = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
+ if (ret)
+ pr_err ("hx4700: Failed to request GPIOs.\n");
+
+ pxa_set_ffuart_info(NULL);
+ pxa_set_btuart_info(NULL);
+ pxa_set_stuart_info(NULL);
+
+ gpiod_add_lookup_table(&bq24022_gpiod_table);
+ gpiod_add_lookup_table(&gpio_vbus_gpiod_table);
+ gpiod_add_lookup_table(&hx4700_audio_gpio_table);
+ platform_add_devices(devices, ARRAY_SIZE(devices));
+ pwm_add_table(hx4700_pwm_lookup, ARRAY_SIZE(hx4700_pwm_lookup));
+
+ pxa_set_ficp_info(&ficp_info);
+ pxa27x_set_i2c_power_info(NULL);
+ pxa_set_i2c_info(NULL);
+ i2c_register_board_info(0, ARRAY_AND_SIZE(i2c_board_info));
+ i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info));
+ gpiod_add_lookup_table(&pxa_ssp2_gpio_table);
+ pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
+ spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info));
+
+ gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 0);
+ mdelay(10);
+ gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 1);
+ mdelay(10);
+
+ pxa_set_udc_info(&hx4700_udc_info);
+ regulator_has_full_constraints();
+}
+
+MACHINE_START(H4700, "HP iPAQ HX4700")
+ .atag_offset = 0x100,
+ .map_io = pxa27x_map_io,
+ .nr_irqs = HX4700_NR_IRQS,
+ .init_irq = pxa27x_init_irq,
+ .handle_irq = pxa27x_handle_irq,
+ .init_machine = hx4700_init,
+ .init_time = pxa_timer_init,
+ .restart = pxa_restart,
+MACHINE_END
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-12 23:41:53 +0000