From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/arm/mach-omap1/board-nokia770.c | 299 +++++++++++++++++++++++++++++++++++ 1 file changed, 299 insertions(+) create mode 100644 arch/arm/mach-omap1/board-nokia770.c (limited to 'arch/arm/mach-omap1/board-nokia770.c') diff --git a/arch/arm/mach-omap1/board-nokia770.c b/arch/arm/mach-omap1/board-nokia770.c new file mode 100644 index 000000000..8e0e58495 --- /dev/null +++ b/arch/arm/mach-omap1/board-nokia770.c @@ -0,0 +1,299 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/arch/arm/mach-omap1/board-nokia770.c + * + * Modified from board-generic.c + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include + +#include "mux.h" +#include "hardware.h" +#include "usb.h" +#include "common.h" +#include "clock.h" +#include "mmc.h" + +#define ADS7846_PENDOWN_GPIO 15 + +static const unsigned int nokia770_keymap[] = { + KEY(1, 0, GROUP_0 | KEY_UP), + KEY(2, 0, GROUP_1 | KEY_F5), + KEY(0, 1, GROUP_0 | KEY_LEFT), + KEY(1, 1, GROUP_0 | KEY_ENTER), + KEY(2, 1, GROUP_0 | KEY_RIGHT), + KEY(0, 2, GROUP_1 | KEY_ESC), + KEY(1, 2, GROUP_0 | KEY_DOWN), + KEY(2, 2, GROUP_1 | KEY_F4), + KEY(0, 3, GROUP_2 | KEY_F7), + KEY(1, 3, GROUP_2 | KEY_F8), + KEY(2, 3, GROUP_2 | KEY_F6), +}; + +static struct resource nokia770_kp_resources[] = { + [0] = { + .start = INT_KEYBOARD, + .end = INT_KEYBOARD, + .flags = IORESOURCE_IRQ, + }, +}; + +static const struct matrix_keymap_data nokia770_keymap_data = { + .keymap = nokia770_keymap, + .keymap_size = ARRAY_SIZE(nokia770_keymap), +}; + +static struct omap_kp_platform_data nokia770_kp_data = { + .rows = 8, + .cols = 8, + .keymap_data = &nokia770_keymap_data, + .delay = 4, +}; + +static struct platform_device nokia770_kp_device = { + .name = "omap-keypad", + .id = -1, + .dev = { + .platform_data = &nokia770_kp_data, + }, + .num_resources = ARRAY_SIZE(nokia770_kp_resources), + .resource = nokia770_kp_resources, +}; + +static struct platform_device *nokia770_devices[] __initdata = { + &nokia770_kp_device, +}; + +static void mipid_shutdown(struct mipid_platform_data *pdata) +{ + if (pdata->nreset_gpio != -1) { + printk(KERN_INFO "shutdown LCD\n"); + gpio_set_value(pdata->nreset_gpio, 0); + msleep(120); + } +} + +static struct mipid_platform_data nokia770_mipid_platform_data = { + .shutdown = mipid_shutdown, +}; + +static const struct omap_lcd_config nokia770_lcd_config __initconst = { + .ctrl_name = "hwa742", +}; + +static void __init mipid_dev_init(void) +{ + nokia770_mipid_platform_data.nreset_gpio = 13; + nokia770_mipid_platform_data.data_lines = 16; + + omapfb_set_lcd_config(&nokia770_lcd_config); +} + +static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = { + .x_max = 0x0fff, + .y_max = 0x0fff, + .x_plate_ohms = 180, + .pressure_max = 255, + .debounce_max = 10, + .debounce_tol = 3, + .debounce_rep = 1, + .gpio_pendown = ADS7846_PENDOWN_GPIO, +}; + +static struct spi_board_info nokia770_spi_board_info[] __initdata = { + [0] = { + .modalias = "lcd_mipid", + .bus_num = 2, + .chip_select = 3, + .max_speed_hz = 12000000, + .platform_data = &nokia770_mipid_platform_data, + }, + [1] = { + .modalias = "ads7846", + .bus_num = 2, + .chip_select = 0, + .max_speed_hz = 2500000, + .platform_data = &nokia770_ads7846_platform_data, + }, +}; + +static void __init hwa742_dev_init(void) +{ + clk_add_alias("hwa_sys_ck", NULL, "bclk", NULL); +} + +/* assume no Mini-AB port */ + +static struct omap_usb_config nokia770_usb_config __initdata = { + .otg = 1, + .register_host = 1, + .register_dev = 1, + .hmc_mode = 16, + .pins[0] = 6, + .extcon = "tahvo-usb", +}; + +#if IS_ENABLED(CONFIG_MMC_OMAP) + +#define NOKIA770_GPIO_MMC_POWER 41 +#define NOKIA770_GPIO_MMC_SWITCH 23 + +static int nokia770_mmc_set_power(struct device *dev, int slot, int power_on, + int vdd) +{ + gpio_set_value(NOKIA770_GPIO_MMC_POWER, power_on); + return 0; +} + +static int nokia770_mmc_get_cover_state(struct device *dev, int slot) +{ + return gpio_get_value(NOKIA770_GPIO_MMC_SWITCH); +} + +static struct omap_mmc_platform_data nokia770_mmc2_data = { + .nr_slots = 1, + .max_freq = 12000000, + .slots[0] = { + .set_power = nokia770_mmc_set_power, + .get_cover_state = nokia770_mmc_get_cover_state, + .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, + .name = "mmcblk", + }, +}; + +static struct omap_mmc_platform_data *nokia770_mmc_data[OMAP16XX_NR_MMC]; + +static void __init nokia770_mmc_init(void) +{ + int ret; + + ret = gpio_request(NOKIA770_GPIO_MMC_POWER, "MMC power"); + if (ret < 0) + return; + gpio_direction_output(NOKIA770_GPIO_MMC_POWER, 0); + + ret = gpio_request(NOKIA770_GPIO_MMC_SWITCH, "MMC cover"); + if (ret < 0) { + gpio_free(NOKIA770_GPIO_MMC_POWER); + return; + } + gpio_direction_input(NOKIA770_GPIO_MMC_SWITCH); + + /* Only the second MMC controller is used */ + nokia770_mmc_data[1] = &nokia770_mmc2_data; + omap1_init_mmc(nokia770_mmc_data, OMAP16XX_NR_MMC); +} + +#else +static inline void nokia770_mmc_init(void) +{ +} +#endif + +#if IS_ENABLED(CONFIG_I2C_CBUS_GPIO) +static struct gpiod_lookup_table nokia770_cbus_gpio_table = { + .dev_id = "i2c-cbus-gpio.2", + .table = { + GPIO_LOOKUP_IDX("mpuio", 9, NULL, 0, 0), /* clk */ + GPIO_LOOKUP_IDX("mpuio", 10, NULL, 1, 0), /* dat */ + GPIO_LOOKUP_IDX("mpuio", 11, NULL, 2, 0), /* sel */ + { }, + }, +}; + +static struct platform_device nokia770_cbus_device = { + .name = "i2c-cbus-gpio", + .id = 2, +}; + +static struct i2c_board_info nokia770_i2c_board_info_2[] __initdata = { + { + I2C_BOARD_INFO("retu", 0x01), + }, + { + I2C_BOARD_INFO("tahvo", 0x02), + }, +}; + +static void __init nokia770_cbus_init(void) +{ + const int retu_irq_gpio = 62; + const int tahvo_irq_gpio = 40; + + if (gpio_request_one(retu_irq_gpio, GPIOF_IN, "Retu IRQ")) + return; + if (gpio_request_one(tahvo_irq_gpio, GPIOF_IN, "Tahvo IRQ")) { + gpio_free(retu_irq_gpio); + return; + } + irq_set_irq_type(gpio_to_irq(retu_irq_gpio), IRQ_TYPE_EDGE_RISING); + irq_set_irq_type(gpio_to_irq(tahvo_irq_gpio), IRQ_TYPE_EDGE_RISING); + nokia770_i2c_board_info_2[0].irq = gpio_to_irq(retu_irq_gpio); + nokia770_i2c_board_info_2[1].irq = gpio_to_irq(tahvo_irq_gpio); + i2c_register_board_info(2, nokia770_i2c_board_info_2, + ARRAY_SIZE(nokia770_i2c_board_info_2)); + gpiod_add_lookup_table(&nokia770_cbus_gpio_table); + platform_device_register(&nokia770_cbus_device); +} +#else /* CONFIG_I2C_CBUS_GPIO */ +static void __init nokia770_cbus_init(void) +{ +} +#endif /* CONFIG_I2C_CBUS_GPIO */ + +static void __init omap_nokia770_init(void) +{ + /* On Nokia 770, the SleepX signal is masked with an + * MPUIO line by default. It has to be unmasked for it + * to become functional */ + + /* SleepX mask direction */ + omap_writew((omap_readw(0xfffb5008) & ~2), 0xfffb5008); + /* Unmask SleepX signal */ + omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004); + + platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices)); + nokia770_spi_board_info[1].irq = gpio_to_irq(15); + spi_register_board_info(nokia770_spi_board_info, + ARRAY_SIZE(nokia770_spi_board_info)); + omap_serial_init(); + omap_register_i2c_bus(1, 100, NULL, 0); + hwa742_dev_init(); + mipid_dev_init(); + omap1_usb_init(&nokia770_usb_config); + nokia770_mmc_init(); + nokia770_cbus_init(); +} + +MACHINE_START(NOKIA770, "Nokia 770") + .atag_offset = 0x100, + .map_io = omap16xx_map_io, + .init_early = omap1_init_early, + .init_irq = omap1_init_irq, + .handle_irq = omap1_handle_irq, + .init_machine = omap_nokia770_init, + .init_late = omap1_init_late, + .init_time = omap1_timer_init, + .restart = omap1_restart, +MACHINE_END -- cgit v1.2.3