1 files changed, 299 insertions, 0 deletions
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 <linux/clkdev.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+#include <linux/gpio/machine.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/mutex.h>
+#include <linux/platform_device.h>
+#include <linux/input.h>
+#include <linux/omapfb.h>
+
+#include <linux/spi/spi.h>
+#include <linux/spi/ads7846.h>
+#include <linux/workqueue.h>
+#include <linux/delay.h>
+
+#include <linux/platform_data/keypad-omap.h>
+#include <linux/platform_data/lcd-mipid.h>
+#include <linux/platform_data/gpio-omap.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#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