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-rw-r--r--arch/arm/mach-pxa/palmtc.c539
1 files changed, 539 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/palmtc.c b/arch/arm/mach-pxa/palmtc.c
new file mode 100644
index 000000000..3054ffa39
--- /dev/null
+++ b/arch/arm/mach-pxa/palmtc.c
@@ -0,0 +1,539 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * linux/arch/arm/mach-pxa/palmtc.c
+ *
+ * Support for the Palm Tungsten|C
+ *
+ * Author: Marek Vasut <marek.vasut@gmail.com>
+ *
+ * Based on work of:
+ * Petr Blaha <p3t3@centrum.cz>
+ * Chetan S. Kumar <shivakumar.chetan@gmail.com>
+ */
+
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/irq.h>
+#include <linux/input.h>
+#include <linux/pwm.h>
+#include <linux/pwm_backlight.h>
+#include <linux/gpio/machine.h>
+#include <linux/input/matrix_keypad.h>
+#include <linux/ucb1400.h>
+#include <linux/power_supply.h>
+#include <linux/gpio_keys.h>
+#include <linux/mtd/physmap.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include "pxa25x.h"
+#include <linux/platform_data/asoc-pxa.h>
+#include "palmtc.h"
+#include <linux/platform_data/mmc-pxamci.h>
+#include <linux/platform_data/video-pxafb.h>
+#include <linux/platform_data/irda-pxaficp.h>
+#include "udc.h"
+
+#include "generic.h"
+#include "devices.h"
+
+/******************************************************************************
+ * Pin configuration
+ ******************************************************************************/
+static unsigned long palmtc_pin_config[] __initdata = {
+ /* MMC */
+ GPIO6_MMC_CLK,
+ GPIO8_MMC_CS0,
+ GPIO12_GPIO, /* detect */
+ GPIO32_GPIO, /* power */
+ GPIO54_GPIO, /* r/o switch */
+
+ /* PCMCIA */
+ GPIO52_nPCE_1,
+ GPIO53_nPCE_2,
+ GPIO50_nPIOR,
+ GPIO51_nPIOW,
+ GPIO49_nPWE,
+ GPIO48_nPOE,
+ GPIO52_nPCE_1,
+ GPIO53_nPCE_2,
+ GPIO57_nIOIS16,
+ GPIO56_nPWAIT,
+
+ /* AC97 */
+ GPIO28_AC97_BITCLK,
+ GPIO29_AC97_SDATA_IN_0,
+ GPIO30_AC97_SDATA_OUT,
+ GPIO31_AC97_SYNC,
+
+ /* IrDA */
+ GPIO45_GPIO, /* ir disable */
+ GPIO46_FICP_RXD,
+ GPIO47_FICP_TXD,
+
+ /* PWM */
+ GPIO17_PWM1_OUT,
+
+ /* USB */
+ GPIO4_GPIO, /* detect */
+ GPIO36_GPIO, /* pullup */
+
+ /* LCD */
+ GPIOxx_LCD_TFT_16BPP,
+
+ /* MATRIX KEYPAD */
+ GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 0 */
+ GPIO9_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 1 */
+ GPIO10_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 2 */
+ GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 3 */
+ GPIO18_GPIO | MFP_LPM_DRIVE_LOW, /* out 0 */
+ GPIO19_GPIO | MFP_LPM_DRIVE_LOW, /* out 1 */
+ GPIO20_GPIO | MFP_LPM_DRIVE_LOW, /* out 2 */
+ GPIO21_GPIO | MFP_LPM_DRIVE_LOW, /* out 3 */
+ GPIO22_GPIO | MFP_LPM_DRIVE_LOW, /* out 4 */
+ GPIO23_GPIO | MFP_LPM_DRIVE_LOW, /* out 5 */
+ GPIO24_GPIO | MFP_LPM_DRIVE_LOW, /* out 6 */
+ GPIO25_GPIO | MFP_LPM_DRIVE_LOW, /* out 7 */
+ GPIO26_GPIO | MFP_LPM_DRIVE_LOW, /* out 8 */
+ GPIO27_GPIO | MFP_LPM_DRIVE_LOW, /* out 9 */
+ GPIO79_GPIO | MFP_LPM_DRIVE_LOW, /* out 10 */
+ GPIO80_GPIO | MFP_LPM_DRIVE_LOW, /* out 11 */
+
+ /* PXA GPIO KEYS */
+ GPIO7_GPIO | WAKEUP_ON_EDGE_BOTH, /* hotsync button on cradle */
+
+ /* MISC */
+ GPIO1_RST, /* reset */
+ GPIO2_GPIO, /* earphone detect */
+ GPIO16_GPIO, /* backlight switch */
+};
+
+/******************************************************************************
+ * SD/MMC card controller
+ ******************************************************************************/
+#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
+static struct pxamci_platform_data palmtc_mci_platform_data = {
+ .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
+ .detect_delay_ms = 200,
+};
+
+static struct gpiod_lookup_table palmtc_mci_gpio_table = {
+ .dev_id = "pxa2xx-mci.0",
+ .table = {
+ GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_SD_DETECT_N,
+ "cd", GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_SD_READONLY,
+ "wp", GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_SD_POWER,
+ "power", GPIO_ACTIVE_HIGH),
+ { },
+ },
+};
+
+static void __init palmtc_mmc_init(void)
+{
+ gpiod_add_lookup_table(&palmtc_mci_gpio_table);
+ pxa_set_mci_info(&palmtc_mci_platform_data);
+}
+#else
+static inline void palmtc_mmc_init(void) {}
+#endif
+
+/******************************************************************************
+ * GPIO keys
+ ******************************************************************************/
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+static struct gpio_keys_button palmtc_pxa_buttons[] = {
+ {KEY_F8, GPIO_NR_PALMTC_HOTSYNC_BUTTON, 1, "HotSync Button", EV_KEY, 1},
+};
+
+static struct gpio_keys_platform_data palmtc_pxa_keys_data = {
+ .buttons = palmtc_pxa_buttons,
+ .nbuttons = ARRAY_SIZE(palmtc_pxa_buttons),
+};
+
+static struct platform_device palmtc_pxa_keys = {
+ .name = "gpio-keys",
+ .id = -1,
+ .dev = {
+ .platform_data = &palmtc_pxa_keys_data,
+ },
+};
+
+static void __init palmtc_keys_init(void)
+{
+ platform_device_register(&palmtc_pxa_keys);
+}
+#else
+static inline void palmtc_keys_init(void) {}
+#endif
+
+/******************************************************************************
+ * Backlight
+ ******************************************************************************/
+#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
+
+static struct gpiod_lookup_table palmtc_pwm_bl_gpio_table = {
+ .dev_id = "pwm-backlight.0",
+ .table = {
+ GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_BL_POWER,
+ "enable", GPIO_ACTIVE_HIGH),
+ },
+};
+
+static struct pwm_lookup palmtc_pwm_lookup[] = {
+ PWM_LOOKUP("pxa25x-pwm.1", 0, "pwm-backlight.0", NULL, PALMTC_PERIOD_NS,
+ PWM_POLARITY_NORMAL),
+};
+
+static struct platform_pwm_backlight_data palmtc_backlight_data = {
+ .max_brightness = PALMTC_MAX_INTENSITY,
+ .dft_brightness = PALMTC_MAX_INTENSITY,
+};
+
+static struct platform_device palmtc_backlight = {
+ .name = "pwm-backlight",
+ .dev = {
+ .parent = &pxa25x_device_pwm1.dev,
+ .platform_data = &palmtc_backlight_data,
+ },
+};
+
+static void __init palmtc_pwm_init(void)
+{
+ gpiod_add_lookup_table(&palmtc_pwm_bl_gpio_table);
+ pwm_add_table(palmtc_pwm_lookup, ARRAY_SIZE(palmtc_pwm_lookup));
+ platform_device_register(&palmtc_backlight);
+}
+#else
+static inline void palmtc_pwm_init(void) {}
+#endif
+
+/******************************************************************************
+ * IrDA
+ ******************************************************************************/
+#if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
+static struct pxaficp_platform_data palmtc_ficp_platform_data = {
+ .gpio_pwdown = GPIO_NR_PALMTC_IR_DISABLE,
+ .transceiver_cap = IR_SIRMODE | IR_OFF,
+};
+
+static void __init palmtc_irda_init(void)
+{
+ pxa_set_ficp_info(&palmtc_ficp_platform_data);
+}
+#else
+static inline void palmtc_irda_init(void) {}
+#endif
+
+/******************************************************************************
+ * Keyboard
+ ******************************************************************************/
+#if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
+static const uint32_t palmtc_matrix_keys[] = {
+ KEY(0, 0, KEY_F1),
+ KEY(0, 1, KEY_X),
+ KEY(0, 2, KEY_POWER),
+ KEY(0, 3, KEY_TAB),
+ KEY(0, 4, KEY_A),
+ KEY(0, 5, KEY_Q),
+ KEY(0, 6, KEY_LEFTSHIFT),
+ KEY(0, 7, KEY_Z),
+ KEY(0, 8, KEY_S),
+ KEY(0, 9, KEY_W),
+ KEY(0, 10, KEY_E),
+ KEY(0, 11, KEY_UP),
+
+ KEY(1, 0, KEY_F2),
+ KEY(1, 1, KEY_DOWN),
+ KEY(1, 3, KEY_D),
+ KEY(1, 4, KEY_C),
+ KEY(1, 5, KEY_F),
+ KEY(1, 6, KEY_R),
+ KEY(1, 7, KEY_SPACE),
+ KEY(1, 8, KEY_V),
+ KEY(1, 9, KEY_G),
+ KEY(1, 10, KEY_T),
+ KEY(1, 11, KEY_LEFT),
+
+ KEY(2, 0, KEY_F3),
+ KEY(2, 1, KEY_LEFTCTRL),
+ KEY(2, 3, KEY_H),
+ KEY(2, 4, KEY_Y),
+ KEY(2, 5, KEY_N),
+ KEY(2, 6, KEY_J),
+ KEY(2, 7, KEY_U),
+ KEY(2, 8, KEY_M),
+ KEY(2, 9, KEY_K),
+ KEY(2, 10, KEY_I),
+ KEY(2, 11, KEY_RIGHT),
+
+ KEY(3, 0, KEY_F4),
+ KEY(3, 1, KEY_ENTER),
+ KEY(3, 3, KEY_DOT),
+ KEY(3, 4, KEY_L),
+ KEY(3, 5, KEY_O),
+ KEY(3, 6, KEY_LEFTALT),
+ KEY(3, 7, KEY_ENTER),
+ KEY(3, 8, KEY_BACKSPACE),
+ KEY(3, 9, KEY_P),
+ KEY(3, 10, KEY_B),
+ KEY(3, 11, KEY_FN),
+};
+
+const struct matrix_keymap_data palmtc_keymap_data = {
+ .keymap = palmtc_matrix_keys,
+ .keymap_size = ARRAY_SIZE(palmtc_matrix_keys),
+};
+
+static const unsigned int palmtc_keypad_row_gpios[] = {
+ 0, 9, 10, 11
+};
+
+static const unsigned int palmtc_keypad_col_gpios[] = {
+ 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 79, 80
+};
+
+static struct matrix_keypad_platform_data palmtc_keypad_platform_data = {
+ .keymap_data = &palmtc_keymap_data,
+ .row_gpios = palmtc_keypad_row_gpios,
+ .num_row_gpios = ARRAY_SIZE(palmtc_keypad_row_gpios),
+ .col_gpios = palmtc_keypad_col_gpios,
+ .num_col_gpios = ARRAY_SIZE(palmtc_keypad_col_gpios),
+ .active_low = 1,
+
+ .debounce_ms = 20,
+ .col_scan_delay_us = 5,
+};
+
+static struct platform_device palmtc_keyboard = {
+ .name = "matrix-keypad",
+ .id = -1,
+ .dev = {
+ .platform_data = &palmtc_keypad_platform_data,
+ },
+};
+static void __init palmtc_mkp_init(void)
+{
+ platform_device_register(&palmtc_keyboard);
+}
+#else
+static inline void palmtc_mkp_init(void) {}
+#endif
+
+/******************************************************************************
+ * UDC
+ ******************************************************************************/
+#if defined(CONFIG_USB_PXA25X)||defined(CONFIG_USB_PXA25X_MODULE)
+static struct gpiod_lookup_table palmtc_udc_gpiod_table = {
+ .dev_id = "gpio-vbus",
+ .table = {
+ GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_USB_DETECT_N,
+ "vbus", GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTC_USB_POWER,
+ "pullup", GPIO_ACTIVE_HIGH),
+ { },
+ },
+};
+
+static struct platform_device palmtc_gpio_vbus = {
+ .name = "gpio-vbus",
+ .id = -1,
+};
+
+static void __init palmtc_udc_init(void)
+{
+ gpiod_add_lookup_table(&palmtc_udc_gpiod_table);
+ platform_device_register(&palmtc_gpio_vbus);
+};
+#else
+static inline void palmtc_udc_init(void) {}
+#endif
+
+/******************************************************************************
+ * Touchscreen / Battery / GPIO-extender
+ ******************************************************************************/
+#if defined(CONFIG_TOUCHSCREEN_UCB1400) || \
+ defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
+static struct platform_device palmtc_ucb1400_device = {
+ .name = "ucb1400_core",
+ .id = -1,
+};
+
+static void __init palmtc_ts_init(void)
+{
+ pxa_set_ac97_info(NULL);
+ platform_device_register(&palmtc_ucb1400_device);
+}
+#else
+static inline void palmtc_ts_init(void) {}
+#endif
+
+/******************************************************************************
+ * LEDs
+ ******************************************************************************/
+#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
+struct gpio_led palmtc_gpio_leds[] = {
+{
+ .name = "palmtc:green:user",
+ .default_trigger = "none",
+ .gpio = GPIO_NR_PALMTC_LED_POWER,
+ .active_low = 1,
+}, {
+ .name = "palmtc:vibra:vibra",
+ .default_trigger = "none",
+ .gpio = GPIO_NR_PALMTC_VIBRA_POWER,
+ .active_low = 1,
+}
+
+};
+
+static struct gpio_led_platform_data palmtc_gpio_led_info = {
+ .leds = palmtc_gpio_leds,
+ .num_leds = ARRAY_SIZE(palmtc_gpio_leds),
+};
+
+static struct platform_device palmtc_leds = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = &palmtc_gpio_led_info,
+ }
+};
+
+static void __init palmtc_leds_init(void)
+{
+ platform_device_register(&palmtc_leds);
+}
+#else
+static inline void palmtc_leds_init(void) {}
+#endif
+
+/******************************************************************************
+ * NOR Flash
+ ******************************************************************************/
+#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
+static struct resource palmtc_flash_resource = {
+ .start = PXA_CS0_PHYS,
+ .end = PXA_CS0_PHYS + SZ_16M - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct mtd_partition palmtc_flash_parts[] = {
+ {
+ .name = "U-Boot Bootloader",
+ .offset = 0x0,
+ .size = 0x40000,
+ },
+ {
+ .name = "Linux Kernel",
+ .offset = 0x40000,
+ .size = 0x2c0000,
+ },
+ {
+ .name = "Filesystem",
+ .offset = 0x300000,
+ .size = 0xcc0000,
+ },
+ {
+ .name = "U-Boot Environment",
+ .offset = 0xfc0000,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct physmap_flash_data palmtc_flash_data = {
+ .width = 4,
+ .parts = palmtc_flash_parts,
+ .nr_parts = ARRAY_SIZE(palmtc_flash_parts),
+};
+
+static struct platform_device palmtc_flash = {
+ .name = "physmap-flash",
+ .id = -1,
+ .resource = &palmtc_flash_resource,
+ .num_resources = 1,
+ .dev = {
+ .platform_data = &palmtc_flash_data,
+ },
+};
+
+static void __init palmtc_nor_init(void)
+{
+ platform_device_register(&palmtc_flash);
+}
+#else
+static inline void palmtc_nor_init(void) {}
+#endif
+
+/******************************************************************************
+ * Framebuffer
+ ******************************************************************************/
+#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
+static struct pxafb_mode_info palmtc_lcd_modes[] = {
+ {
+ .pixclock = 115384,
+ .xres = 320,
+ .yres = 320,
+ .bpp = 16,
+
+ .left_margin = 27,
+ .right_margin = 7,
+ .upper_margin = 7,
+ .lower_margin = 8,
+
+ .hsync_len = 6,
+ .vsync_len = 1,
+ },
+};
+
+static struct pxafb_mach_info palmtc_lcd_screen = {
+ .modes = palmtc_lcd_modes,
+ .num_modes = ARRAY_SIZE(palmtc_lcd_modes),
+ .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
+};
+
+static void __init palmtc_lcd_init(void)
+{
+ pxa_set_fb_info(NULL, &palmtc_lcd_screen);
+}
+#else
+static inline void palmtc_lcd_init(void) {}
+#endif
+
+/******************************************************************************
+ * Machine init
+ ******************************************************************************/
+static void __init palmtc_init(void)
+{
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtc_pin_config));
+
+ pxa_set_ffuart_info(NULL);
+ pxa_set_btuart_info(NULL);
+ pxa_set_stuart_info(NULL);
+ pxa_set_hwuart_info(NULL);
+
+ palmtc_mmc_init();
+ palmtc_keys_init();
+ palmtc_pwm_init();
+ palmtc_irda_init();
+ palmtc_mkp_init();
+ palmtc_udc_init();
+ palmtc_ts_init();
+ palmtc_nor_init();
+ palmtc_lcd_init();
+ palmtc_leds_init();
+};
+
+MACHINE_START(PALMTC, "Palm Tungsten|C")
+ .atag_offset = 0x100,
+ .map_io = pxa25x_map_io,
+ .nr_irqs = PXA_NR_IRQS,
+ .init_irq = pxa25x_init_irq,
+ .handle_irq = pxa25x_handle_irq,
+ .init_time = pxa_timer_init,
+ .init_machine = palmtc_init,
+ .restart = pxa_restart,
+MACHINE_END
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