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-rw-r--r--arch/arm/mach-pxa/palmtreo.c548
1 files changed, 548 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/palmtreo.c b/arch/arm/mach-pxa/palmtreo.c
new file mode 100644
index 000000000..238a31f32
--- /dev/null
+++ b/arch/arm/mach-pxa/palmtreo.c
@@ -0,0 +1,548 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Hardware definitions for Palm Treo smartphones
+ *
+ * currently supported:
+ * Palm Treo 680 (GSM)
+ * Palm Centro 685 (GSM)
+ *
+ * Author: Tomas Cech <sleep_walker@suse.cz>
+ *
+ * (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/memblock.h>
+#include <linux/pda_power.h>
+#include <linux/pwm_backlight.h>
+#include <linux/gpio.h>
+#include <linux/power_supply.h>
+#include <linux/w1-gpio.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include "pxa27x.h"
+#include "pxa27x-udc.h"
+#include <linux/platform_data/asoc-pxa.h>
+#include "palmtreo.h"
+#include <linux/platform_data/mmc-pxamci.h>
+#include <linux/platform_data/video-pxafb.h>
+#include <linux/platform_data/irda-pxaficp.h>
+#include <linux/platform_data/keypad-pxa27x.h>
+#include "udc.h"
+#include <linux/platform_data/usb-ohci-pxa27x.h>
+#include "pxa2xx-regs.h"
+#include <linux/platform_data/asoc-palm27x.h>
+#include <linux/platform_data/media/camera-pxa.h>
+#include "palm27x.h"
+
+#include <sound/pxa2xx-lib.h>
+
+#include "generic.h"
+#include "devices.h"
+
+/******************************************************************************
+ * Pin configuration
+ ******************************************************************************/
+static unsigned long treo_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,
+ GPIO113_GPIO, /* SD detect */
+
+ /* AC97 */
+ GPIO28_AC97_BITCLK,
+ GPIO29_AC97_SDATA_IN_0,
+ GPIO30_AC97_SDATA_OUT,
+ GPIO31_AC97_SYNC,
+ GPIO89_AC97_SYSCLK,
+ GPIO95_AC97_nRESET,
+
+ /* IrDA */
+ GPIO46_FICP_RXD,
+ GPIO47_FICP_TXD,
+
+ /* PWM */
+ GPIO16_PWM0_OUT,
+
+ /* USB */
+ GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH, /* usb detect */
+
+ /* MATRIX KEYPAD */
+ GPIO101_KP_MKIN_1,
+ GPIO102_KP_MKIN_2,
+ GPIO97_KP_MKIN_3,
+ GPIO98_KP_MKIN_4,
+ GPIO91_KP_MKIN_6,
+ GPIO13_KP_MKIN_7,
+ GPIO103_KP_MKOUT_0 | MFP_LPM_DRIVE_HIGH,
+ GPIO104_KP_MKOUT_1,
+ GPIO105_KP_MKOUT_2,
+ GPIO106_KP_MKOUT_3,
+ GPIO107_KP_MKOUT_4,
+ GPIO108_KP_MKOUT_5,
+ GPIO96_KP_MKOUT_6,
+ GPIO93_KP_DKIN_0 | WAKEUP_ON_LEVEL_HIGH, /* Hotsync button */
+
+ /* Quick Capture Interface */
+ GPIO84_CIF_FV,
+ GPIO85_CIF_LV,
+ GPIO53_CIF_MCLK,
+ GPIO54_CIF_PCLK,
+ GPIO81_CIF_DD_0,
+ GPIO55_CIF_DD_1,
+ GPIO51_CIF_DD_2,
+ GPIO50_CIF_DD_3,
+ GPIO52_CIF_DD_4,
+ GPIO48_CIF_DD_5,
+ GPIO17_CIF_DD_6,
+ GPIO12_CIF_DD_7,
+
+ /* I2C */
+ GPIO117_I2C_SCL,
+ GPIO118_I2C_SDA,
+
+ /* GSM */
+ GPIO14_GPIO | WAKEUP_ON_EDGE_BOTH, /* GSM host wake up */
+ GPIO34_FFUART_RXD,
+ GPIO35_FFUART_CTS,
+ GPIO39_FFUART_TXD,
+ GPIO41_FFUART_RTS,
+
+ /* MISC. */
+ GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH, /* external power detect */
+ GPIO15_GPIO | WAKEUP_ON_EDGE_BOTH, /* silent switch */
+ GPIO116_GPIO, /* headphone detect */
+ GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH, /* bluetooth host wake up */
+};
+
+#ifdef CONFIG_MACH_TREO680
+static unsigned long treo680_pin_config[] __initdata = {
+ GPIO33_GPIO, /* SD read only */
+
+ /* MATRIX KEYPAD - different wake up source */
+ GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
+ GPIO99_KP_MKIN_5,
+
+ /* LCD... L_BIAS alt fn not configured on Treo680; is GPIO instead */
+ GPIOxx_LCD_16BPP,
+ GPIO74_LCD_FCLK,
+ GPIO75_LCD_LCLK,
+ GPIO76_LCD_PCLK,
+};
+#endif /* CONFIG_MACH_TREO680 */
+
+#ifdef CONFIG_MACH_CENTRO
+static unsigned long centro685_pin_config[] __initdata = {
+ /* Bluetooth attached to BT UART*/
+ MFP_CFG_OUT(GPIO80, AF0, DRIVE_LOW), /* power: LOW = off */
+ GPIO42_BTUART_RXD,
+ GPIO43_BTUART_TXD,
+ GPIO44_BTUART_CTS,
+ GPIO45_BTUART_RTS,
+
+ /* MATRIX KEYPAD - different wake up source */
+ GPIO100_KP_MKIN_0,
+ GPIO99_KP_MKIN_5 | WAKEUP_ON_LEVEL_HIGH,
+
+ /* LCD */
+ GPIOxx_LCD_TFT_16BPP,
+};
+#endif /* CONFIG_MACH_CENTRO */
+
+/******************************************************************************
+ * GPIO keyboard
+ ******************************************************************************/
+#if IS_ENABLED(CONFIG_KEYBOARD_PXA27x)
+static const unsigned int treo680_matrix_keys[] = {
+ KEY(0, 0, KEY_F8), /* Red/Off/Power */
+ KEY(0, 1, KEY_LEFT),
+ KEY(0, 2, KEY_LEFTCTRL), /* Alternate */
+ KEY(0, 3, KEY_L),
+ KEY(0, 4, KEY_A),
+ KEY(0, 5, KEY_Q),
+ KEY(0, 6, KEY_P),
+
+ KEY(1, 0, KEY_RIGHTCTRL), /* Menu */
+ KEY(1, 1, KEY_RIGHT),
+ KEY(1, 2, KEY_LEFTSHIFT), /* Left shift */
+ KEY(1, 3, KEY_Z),
+ KEY(1, 4, KEY_S),
+ KEY(1, 5, KEY_W),
+
+ KEY(2, 0, KEY_F1), /* Phone */
+ KEY(2, 1, KEY_UP),
+ KEY(2, 2, KEY_0),
+ KEY(2, 3, KEY_X),
+ KEY(2, 4, KEY_D),
+ KEY(2, 5, KEY_E),
+
+ KEY(3, 0, KEY_F10), /* Calendar */
+ KEY(3, 1, KEY_DOWN),
+ KEY(3, 2, KEY_SPACE),
+ KEY(3, 3, KEY_C),
+ KEY(3, 4, KEY_F),
+ KEY(3, 5, KEY_R),
+
+ KEY(4, 0, KEY_F12), /* Mail */
+ KEY(4, 1, KEY_KPENTER),
+ KEY(4, 2, KEY_RIGHTALT), /* Alt */
+ KEY(4, 3, KEY_V),
+ KEY(4, 4, KEY_G),
+ KEY(4, 5, KEY_T),
+
+ KEY(5, 0, KEY_F9), /* Home */
+ KEY(5, 1, KEY_PAGEUP), /* Side up */
+ KEY(5, 2, KEY_DOT),
+ KEY(5, 3, KEY_B),
+ KEY(5, 4, KEY_H),
+ KEY(5, 5, KEY_Y),
+
+ KEY(6, 0, KEY_TAB), /* Side Activate */
+ KEY(6, 1, KEY_PAGEDOWN), /* Side down */
+ KEY(6, 2, KEY_ENTER),
+ KEY(6, 3, KEY_N),
+ KEY(6, 4, KEY_J),
+ KEY(6, 5, KEY_U),
+
+ KEY(7, 0, KEY_F6), /* Green/Call */
+ KEY(7, 1, KEY_O),
+ KEY(7, 2, KEY_BACKSPACE),
+ KEY(7, 3, KEY_M),
+ KEY(7, 4, KEY_K),
+ KEY(7, 5, KEY_I),
+};
+
+static const unsigned int centro_matrix_keys[] = {
+ KEY(0, 0, KEY_F9), /* Home */
+ KEY(0, 1, KEY_LEFT),
+ KEY(0, 2, KEY_LEFTCTRL), /* Alternate */
+ KEY(0, 3, KEY_L),
+ KEY(0, 4, KEY_A),
+ KEY(0, 5, KEY_Q),
+ KEY(0, 6, KEY_P),
+
+ KEY(1, 0, KEY_RIGHTCTRL), /* Menu */
+ KEY(1, 1, KEY_RIGHT),
+ KEY(1, 2, KEY_LEFTSHIFT), /* Left shift */
+ KEY(1, 3, KEY_Z),
+ KEY(1, 4, KEY_S),
+ KEY(1, 5, KEY_W),
+
+ KEY(2, 0, KEY_F1), /* Phone */
+ KEY(2, 1, KEY_UP),
+ KEY(2, 2, KEY_0),
+ KEY(2, 3, KEY_X),
+ KEY(2, 4, KEY_D),
+ KEY(2, 5, KEY_E),
+
+ KEY(3, 0, KEY_F10), /* Calendar */
+ KEY(3, 1, KEY_DOWN),
+ KEY(3, 2, KEY_SPACE),
+ KEY(3, 3, KEY_C),
+ KEY(3, 4, KEY_F),
+ KEY(3, 5, KEY_R),
+
+ KEY(4, 0, KEY_F12), /* Mail */
+ KEY(4, 1, KEY_KPENTER),
+ KEY(4, 2, KEY_RIGHTALT), /* Alt */
+ KEY(4, 3, KEY_V),
+ KEY(4, 4, KEY_G),
+ KEY(4, 5, KEY_T),
+
+ KEY(5, 0, KEY_F8), /* Red/Off/Power */
+ KEY(5, 1, KEY_PAGEUP), /* Side up */
+ KEY(5, 2, KEY_DOT),
+ KEY(5, 3, KEY_B),
+ KEY(5, 4, KEY_H),
+ KEY(5, 5, KEY_Y),
+
+ KEY(6, 0, KEY_TAB), /* Side Activate */
+ KEY(6, 1, KEY_PAGEDOWN), /* Side down */
+ KEY(6, 2, KEY_ENTER),
+ KEY(6, 3, KEY_N),
+ KEY(6, 4, KEY_J),
+ KEY(6, 5, KEY_U),
+
+ KEY(7, 0, KEY_F6), /* Green/Call */
+ KEY(7, 1, KEY_O),
+ KEY(7, 2, KEY_BACKSPACE),
+ KEY(7, 3, KEY_M),
+ KEY(7, 4, KEY_K),
+ KEY(7, 5, KEY_I),
+};
+
+static struct matrix_keymap_data treo680_matrix_keymap_data = {
+ .keymap = treo680_matrix_keys,
+ .keymap_size = ARRAY_SIZE(treo680_matrix_keys),
+};
+
+static struct matrix_keymap_data centro_matrix_keymap_data = {
+ .keymap = centro_matrix_keys,
+ .keymap_size = ARRAY_SIZE(centro_matrix_keys),
+};
+
+static struct pxa27x_keypad_platform_data treo680_keypad_pdata = {
+ .matrix_key_rows = 8,
+ .matrix_key_cols = 7,
+ .matrix_keymap_data = &treo680_matrix_keymap_data,
+ .direct_key_map = { KEY_CONNECT },
+ .direct_key_num = 1,
+
+ .debounce_interval = 30,
+};
+
+static void __init palmtreo_kpc_init(void)
+{
+ static struct pxa27x_keypad_platform_data *data = &treo680_keypad_pdata;
+
+ if (machine_is_centro())
+ data->matrix_keymap_data = &centro_matrix_keymap_data;
+
+ pxa_set_keypad_info(&treo680_keypad_pdata);
+}
+#else
+static inline void palmtreo_kpc_init(void) {}
+#endif
+
+/******************************************************************************
+ * USB host
+ ******************************************************************************/
+#if IS_ENABLED(CONFIG_USB_OHCI_HCD)
+static struct pxaohci_platform_data treo680_ohci_info = {
+ .port_mode = PMM_PERPORT_MODE,
+ .flags = ENABLE_PORT1 | ENABLE_PORT3,
+ .power_budget = 0,
+};
+
+static void __init palmtreo_uhc_init(void)
+{
+ if (machine_is_treo680())
+ pxa_set_ohci_info(&treo680_ohci_info);
+}
+#else
+static inline void palmtreo_uhc_init(void) {}
+#endif
+
+/******************************************************************************
+ * Vibra and LEDs
+ ******************************************************************************/
+static struct gpio_led treo680_gpio_leds[] = {
+ {
+ .name = "treo680:vibra:vibra",
+ .default_trigger = "none",
+ .gpio = GPIO_NR_TREO680_VIBRATE_EN,
+ },
+ {
+ .name = "treo680:green:led",
+ .default_trigger = "mmc0",
+ .gpio = GPIO_NR_TREO_GREEN_LED,
+ },
+ {
+ .name = "treo680:white:keybbl",
+ .default_trigger = "none",
+ .gpio = GPIO_NR_TREO680_KEYB_BL,
+ },
+};
+
+static struct gpio_led_platform_data treo680_gpio_led_info = {
+ .leds = treo680_gpio_leds,
+ .num_leds = ARRAY_SIZE(treo680_gpio_leds),
+};
+
+static struct gpio_led centro_gpio_leds[] = {
+ {
+ .name = "centro:vibra:vibra",
+ .default_trigger = "none",
+ .gpio = GPIO_NR_CENTRO_VIBRATE_EN,
+ },
+ {
+ .name = "centro:green:led",
+ .default_trigger = "mmc0",
+ .gpio = GPIO_NR_TREO_GREEN_LED,
+ },
+ {
+ .name = "centro:white:keybbl",
+ .default_trigger = "none",
+ .active_low = 1,
+ .gpio = GPIO_NR_CENTRO_KEYB_BL,
+ },
+};
+
+static struct gpio_led_platform_data centro_gpio_led_info = {
+ .leds = centro_gpio_leds,
+ .num_leds = ARRAY_SIZE(centro_gpio_leds),
+};
+
+static struct platform_device palmtreo_leds = {
+ .name = "leds-gpio",
+ .id = -1,
+};
+
+static void __init palmtreo_leds_init(void)
+{
+ if (machine_is_centro())
+ palmtreo_leds.dev.platform_data = &centro_gpio_led_info;
+ else if (machine_is_treo680())
+ palmtreo_leds.dev.platform_data = &treo680_gpio_led_info;
+
+ platform_device_register(&palmtreo_leds);
+}
+
+/******************************************************************************
+ * Machine init
+ ******************************************************************************/
+static void __init treo_reserve(void)
+{
+ memblock_reserve(0xa0000000, 0x1000);
+ memblock_reserve(0xa2000000, 0x1000);
+}
+
+static void __init palmphone_common_init(void)
+{
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(treo_pin_config));
+ pxa_set_ffuart_info(NULL);
+ pxa_set_btuart_info(NULL);
+ pxa_set_stuart_info(NULL);
+ palm27x_pm_init(TREO_STR_BASE);
+ palm27x_lcd_init(GPIO_NR_TREO_BL_POWER, &palm_320x320_new_lcd_mode);
+ palm27x_udc_init(GPIO_NR_TREO_USB_DETECT, GPIO_NR_TREO_USB_PULLUP, 1);
+ palm27x_irda_init(GPIO_NR_TREO_IR_EN);
+ palm27x_ac97_init(-1, -1, -1, 95);
+ palm27x_pwm_init(GPIO_NR_TREO_BL_POWER, -1);
+ palm27x_power_init(GPIO_NR_TREO_POWER_DETECT, -1);
+ palm27x_pmic_init();
+ palmtreo_kpc_init();
+ palmtreo_uhc_init();
+ palmtreo_leds_init();
+}
+
+#ifdef CONFIG_MACH_TREO680
+void __init treo680_gpio_init(void)
+{
+ unsigned int gpio;
+
+ /* drive all three lcd gpios high initially */
+ const unsigned long lcd_flags = GPIOF_INIT_HIGH | GPIOF_DIR_OUT;
+
+ /*
+ * LCD GPIO initialization...
+ */
+
+ /*
+ * This is likely the power to the lcd. Toggling it low/high appears to
+ * turn the lcd off/on. Can be toggled after lcd is initialized without
+ * any apparent adverse effects to the lcd operation. Note that this
+ * gpio line is used by the lcd controller as the L_BIAS signal, but
+ * treo680 configures it as gpio.
+ */
+ gpio = GPIO_NR_TREO680_LCD_POWER;
+ if (gpio_request_one(gpio, lcd_flags, "LCD power") < 0)
+ goto fail;
+
+ /*
+ * These two are called "enables", for lack of a better understanding.
+ * If either of these are toggled after the lcd is initialized, the
+ * image becomes degraded. N.B. The IPL shipped with the treo
+ * configures GPIO_NR_TREO680_LCD_EN_N as output and drives it high. If
+ * the IPL is ever reprogrammed, this initialization may be need to be
+ * revisited.
+ */
+ gpio = GPIO_NR_TREO680_LCD_EN;
+ if (gpio_request_one(gpio, lcd_flags, "LCD enable") < 0)
+ goto fail;
+ gpio = GPIO_NR_TREO680_LCD_EN_N;
+ if (gpio_request_one(gpio, lcd_flags, "LCD enable_n") < 0)
+ goto fail;
+
+ /* driving this low turns LCD on */
+ gpio_set_value(GPIO_NR_TREO680_LCD_EN_N, 0);
+
+ return;
+ fail:
+ pr_err("gpio %d initialization failed\n", gpio);
+ gpio_free(GPIO_NR_TREO680_LCD_POWER);
+ gpio_free(GPIO_NR_TREO680_LCD_EN);
+ gpio_free(GPIO_NR_TREO680_LCD_EN_N);
+}
+
+static struct gpiod_lookup_table treo680_mci_gpio_table = {
+ .dev_id = "pxa2xx-mci.0",
+ .table = {
+ GPIO_LOOKUP("gpio-pxa", GPIO_NR_TREO_SD_DETECT_N,
+ "cd", GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP("gpio-pxa", GPIO_NR_TREO680_SD_READONLY,
+ "wp", GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP("gpio-pxa", GPIO_NR_TREO680_SD_POWER,
+ "power", GPIO_ACTIVE_HIGH),
+ { },
+ },
+};
+
+static void __init treo680_init(void)
+{
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(treo680_pin_config));
+ palmphone_common_init();
+ treo680_gpio_init();
+ palm27x_mmc_init(&treo680_mci_gpio_table);
+}
+#endif
+
+#ifdef CONFIG_MACH_CENTRO
+
+static struct gpiod_lookup_table centro685_mci_gpio_table = {
+ .dev_id = "pxa2xx-mci.0",
+ .table = {
+ GPIO_LOOKUP("gpio-pxa", GPIO_NR_TREO_SD_DETECT_N,
+ "cd", GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP("gpio-pxa", GPIO_NR_CENTRO_SD_POWER,
+ "power", GPIO_ACTIVE_LOW),
+ { },
+ },
+};
+
+static void __init centro_init(void)
+{
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(centro685_pin_config));
+ palmphone_common_init();
+ palm27x_mmc_init(&centro685_mci_gpio_table);
+}
+#endif
+
+#ifdef CONFIG_MACH_TREO680
+MACHINE_START(TREO680, "Palm Treo 680")
+ .atag_offset = 0x100,
+ .map_io = pxa27x_map_io,
+ .reserve = treo_reserve,
+ .nr_irqs = PXA_NR_IRQS,
+ .init_irq = pxa27x_init_irq,
+ .handle_irq = pxa27x_handle_irq,
+ .init_time = pxa_timer_init,
+ .init_machine = treo680_init,
+ .restart = pxa_restart,
+MACHINE_END
+#endif
+
+#ifdef CONFIG_MACH_CENTRO
+MACHINE_START(CENTRO, "Palm Centro 685")
+ .atag_offset = 0x100,
+ .map_io = pxa27x_map_io,
+ .reserve = treo_reserve,
+ .nr_irqs = PXA_NR_IRQS,
+ .init_irq = pxa27x_init_irq,
+ .handle_irq = pxa27x_handle_irq,
+ .init_time = pxa_timer_init,
+ .init_machine = centro_init,
+ .restart = pxa_restart,
+MACHINE_END
+#endif