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301 lines
7.4 KiB
301 lines
7.4 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* linux/arch/arm/mach-omap1/board-nokia770.c |
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* |
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* Modified from board-generic.c |
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*/ |
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#include <linux/clkdev.h> |
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#include <linux/irq.h> |
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#include <linux/gpio.h> |
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#include <linux/gpio/machine.h> |
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#include <linux/kernel.h> |
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#include <linux/init.h> |
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#include <linux/mutex.h> |
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#include <linux/platform_device.h> |
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#include <linux/input.h> |
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#include <linux/omapfb.h> |
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#include <linux/spi/spi.h> |
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#include <linux/spi/ads7846.h> |
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#include <linux/workqueue.h> |
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#include <linux/delay.h> |
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#include <linux/platform_data/keypad-omap.h> |
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#include <linux/platform_data/lcd-mipid.h> |
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#include <linux/platform_data/gpio-omap.h> |
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#include <asm/mach-types.h> |
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#include <asm/mach/arch.h> |
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#include <asm/mach/map.h> |
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#include <mach/mux.h> |
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#include <mach/hardware.h> |
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#include <mach/usb.h> |
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#include "common.h" |
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#include "clock.h" |
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#include "mmc.h" |
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#define ADS7846_PENDOWN_GPIO 15 |
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static const unsigned int nokia770_keymap[] = { |
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KEY(1, 0, GROUP_0 | KEY_UP), |
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KEY(2, 0, GROUP_1 | KEY_F5), |
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KEY(0, 1, GROUP_0 | KEY_LEFT), |
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KEY(1, 1, GROUP_0 | KEY_ENTER), |
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KEY(2, 1, GROUP_0 | KEY_RIGHT), |
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KEY(0, 2, GROUP_1 | KEY_ESC), |
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KEY(1, 2, GROUP_0 | KEY_DOWN), |
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KEY(2, 2, GROUP_1 | KEY_F4), |
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KEY(0, 3, GROUP_2 | KEY_F7), |
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KEY(1, 3, GROUP_2 | KEY_F8), |
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KEY(2, 3, GROUP_2 | KEY_F6), |
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}; |
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static struct resource nokia770_kp_resources[] = { |
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[0] = { |
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.start = INT_KEYBOARD, |
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.end = INT_KEYBOARD, |
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.flags = IORESOURCE_IRQ, |
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}, |
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}; |
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static const struct matrix_keymap_data nokia770_keymap_data = { |
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.keymap = nokia770_keymap, |
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.keymap_size = ARRAY_SIZE(nokia770_keymap), |
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}; |
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static struct omap_kp_platform_data nokia770_kp_data = { |
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.rows = 8, |
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.cols = 8, |
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.keymap_data = &nokia770_keymap_data, |
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.delay = 4, |
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}; |
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static struct platform_device nokia770_kp_device = { |
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.name = "omap-keypad", |
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.id = -1, |
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.dev = { |
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.platform_data = &nokia770_kp_data, |
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}, |
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.num_resources = ARRAY_SIZE(nokia770_kp_resources), |
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.resource = nokia770_kp_resources, |
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}; |
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static struct platform_device *nokia770_devices[] __initdata = { |
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&nokia770_kp_device, |
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}; |
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static void mipid_shutdown(struct mipid_platform_data *pdata) |
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{ |
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if (pdata->nreset_gpio != -1) { |
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printk(KERN_INFO "shutdown LCD\n"); |
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gpio_set_value(pdata->nreset_gpio, 0); |
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msleep(120); |
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} |
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} |
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static struct mipid_platform_data nokia770_mipid_platform_data = { |
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.shutdown = mipid_shutdown, |
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}; |
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static const struct omap_lcd_config nokia770_lcd_config __initconst = { |
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.ctrl_name = "hwa742", |
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}; |
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static void __init mipid_dev_init(void) |
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{ |
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nokia770_mipid_platform_data.nreset_gpio = 13; |
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nokia770_mipid_platform_data.data_lines = 16; |
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omapfb_set_lcd_config(&nokia770_lcd_config); |
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} |
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static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = { |
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.x_max = 0x0fff, |
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.y_max = 0x0fff, |
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.x_plate_ohms = 180, |
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.pressure_max = 255, |
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.debounce_max = 10, |
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.debounce_tol = 3, |
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.debounce_rep = 1, |
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.gpio_pendown = ADS7846_PENDOWN_GPIO, |
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}; |
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static struct spi_board_info nokia770_spi_board_info[] __initdata = { |
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[0] = { |
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.modalias = "lcd_mipid", |
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.bus_num = 2, |
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.chip_select = 3, |
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.max_speed_hz = 12000000, |
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.platform_data = &nokia770_mipid_platform_data, |
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}, |
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[1] = { |
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.modalias = "ads7846", |
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.bus_num = 2, |
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.chip_select = 0, |
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.max_speed_hz = 2500000, |
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.platform_data = &nokia770_ads7846_platform_data, |
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}, |
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}; |
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static void __init hwa742_dev_init(void) |
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{ |
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clk_add_alias("hwa_sys_ck", NULL, "bclk", NULL); |
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} |
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/* assume no Mini-AB port */ |
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static struct omap_usb_config nokia770_usb_config __initdata = { |
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.otg = 1, |
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.register_host = 1, |
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.register_dev = 1, |
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.hmc_mode = 16, |
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.pins[0] = 6, |
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.extcon = "tahvo-usb", |
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}; |
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#if IS_ENABLED(CONFIG_MMC_OMAP) |
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#define NOKIA770_GPIO_MMC_POWER 41 |
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#define NOKIA770_GPIO_MMC_SWITCH 23 |
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static int nokia770_mmc_set_power(struct device *dev, int slot, int power_on, |
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int vdd) |
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{ |
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gpio_set_value(NOKIA770_GPIO_MMC_POWER, power_on); |
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return 0; |
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} |
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static int nokia770_mmc_get_cover_state(struct device *dev, int slot) |
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{ |
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return gpio_get_value(NOKIA770_GPIO_MMC_SWITCH); |
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} |
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static struct omap_mmc_platform_data nokia770_mmc2_data = { |
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.nr_slots = 1, |
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.max_freq = 12000000, |
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.slots[0] = { |
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.set_power = nokia770_mmc_set_power, |
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.get_cover_state = nokia770_mmc_get_cover_state, |
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.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, |
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.name = "mmcblk", |
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}, |
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}; |
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static struct omap_mmc_platform_data *nokia770_mmc_data[OMAP16XX_NR_MMC]; |
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static void __init nokia770_mmc_init(void) |
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{ |
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int ret; |
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ret = gpio_request(NOKIA770_GPIO_MMC_POWER, "MMC power"); |
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if (ret < 0) |
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return; |
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gpio_direction_output(NOKIA770_GPIO_MMC_POWER, 0); |
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ret = gpio_request(NOKIA770_GPIO_MMC_SWITCH, "MMC cover"); |
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if (ret < 0) { |
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gpio_free(NOKIA770_GPIO_MMC_POWER); |
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return; |
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} |
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gpio_direction_input(NOKIA770_GPIO_MMC_SWITCH); |
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/* Only the second MMC controller is used */ |
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nokia770_mmc_data[1] = &nokia770_mmc2_data; |
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omap1_init_mmc(nokia770_mmc_data, OMAP16XX_NR_MMC); |
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} |
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#else |
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static inline void nokia770_mmc_init(void) |
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{ |
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} |
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#endif |
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#if IS_ENABLED(CONFIG_I2C_CBUS_GPIO) |
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static struct gpiod_lookup_table nokia770_cbus_gpio_table = { |
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.dev_id = "i2c-cbus-gpio.2", |
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.table = { |
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GPIO_LOOKUP_IDX("mpuio", 9, NULL, 0, 0), /* clk */ |
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GPIO_LOOKUP_IDX("mpuio", 10, NULL, 1, 0), /* dat */ |
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GPIO_LOOKUP_IDX("mpuio", 11, NULL, 2, 0), /* sel */ |
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{ }, |
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}, |
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}; |
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static struct platform_device nokia770_cbus_device = { |
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.name = "i2c-cbus-gpio", |
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.id = 2, |
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}; |
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static struct i2c_board_info nokia770_i2c_board_info_2[] __initdata = { |
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{ |
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I2C_BOARD_INFO("retu", 0x01), |
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}, |
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{ |
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I2C_BOARD_INFO("tahvo", 0x02), |
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}, |
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}; |
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static void __init nokia770_cbus_init(void) |
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{ |
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const int retu_irq_gpio = 62; |
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const int tahvo_irq_gpio = 40; |
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if (gpio_request_one(retu_irq_gpio, GPIOF_IN, "Retu IRQ")) |
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return; |
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if (gpio_request_one(tahvo_irq_gpio, GPIOF_IN, "Tahvo IRQ")) { |
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gpio_free(retu_irq_gpio); |
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return; |
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} |
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irq_set_irq_type(gpio_to_irq(retu_irq_gpio), IRQ_TYPE_EDGE_RISING); |
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irq_set_irq_type(gpio_to_irq(tahvo_irq_gpio), IRQ_TYPE_EDGE_RISING); |
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nokia770_i2c_board_info_2[0].irq = gpio_to_irq(retu_irq_gpio); |
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nokia770_i2c_board_info_2[1].irq = gpio_to_irq(tahvo_irq_gpio); |
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i2c_register_board_info(2, nokia770_i2c_board_info_2, |
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ARRAY_SIZE(nokia770_i2c_board_info_2)); |
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gpiod_add_lookup_table(&nokia770_cbus_gpio_table); |
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platform_device_register(&nokia770_cbus_device); |
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} |
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#else /* CONFIG_I2C_CBUS_GPIO */ |
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static void __init nokia770_cbus_init(void) |
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{ |
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} |
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#endif /* CONFIG_I2C_CBUS_GPIO */ |
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static void __init omap_nokia770_init(void) |
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{ |
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/* On Nokia 770, the SleepX signal is masked with an |
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* MPUIO line by default. It has to be unmasked for it |
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* to become functional */ |
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/* SleepX mask direction */ |
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omap_writew((omap_readw(0xfffb5008) & ~2), 0xfffb5008); |
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/* Unmask SleepX signal */ |
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omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004); |
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platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices)); |
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nokia770_spi_board_info[1].irq = gpio_to_irq(15); |
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spi_register_board_info(nokia770_spi_board_info, |
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ARRAY_SIZE(nokia770_spi_board_info)); |
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omap_serial_init(); |
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omap_register_i2c_bus(1, 100, NULL, 0); |
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hwa742_dev_init(); |
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mipid_dev_init(); |
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omap1_usb_init(&nokia770_usb_config); |
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nokia770_mmc_init(); |
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nokia770_cbus_init(); |
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} |
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MACHINE_START(NOKIA770, "Nokia 770") |
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.atag_offset = 0x100, |
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.map_io = omap16xx_map_io, |
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.init_early = omap1_init_early, |
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.init_irq = omap1_init_irq, |
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.handle_irq = omap1_handle_irq, |
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.init_machine = omap_nokia770_init, |
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.init_late = omap1_init_late, |
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.init_time = omap1_timer_init, |
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.restart = omap1_restart, |
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MACHINE_END
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