aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap1/board-nokia770.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-omap1/board-nokia770.c')
-rw-r--r--arch/arm/mach-omap1/board-nokia770.c273
1 files changed, 273 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 00000000..cfd08492
--- /dev/null
+++ b/arch/arm/mach-omap1/board-nokia770.c
@@ -0,0 +1,273 @@
+/*
+ * linux/arch/arm/mach-omap1/board-nokia770.c
+ *
+ * Modified from board-generic.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/mutex.h>
+#include <linux/platform_device.h>
+#include <linux/input.h>
+#include <linux/clk.h>
+#include <linux/omapfb.h>
+
+#include <linux/spi/spi.h>
+#include <linux/spi/ads7846.h>
+#include <linux/workqueue.h>
+#include <linux/delay.h>
+
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/gpio.h>
+#include <plat/mux.h>
+#include <plat/usb.h>
+#include <plat/board.h>
+#include <plat/keypad.h>
+#include <plat/common.h>
+#include <plat/hwa742.h>
+#include <plat/lcd_mipid.h>
+#include <plat/mmc.h>
+#include <plat/clock.h>
+
+#define ADS7846_PENDOWN_GPIO 15
+
+static void __init omap_nokia770_init_irq(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);
+
+ omap1_init_common_hw();
+ omap_init_irq();
+}
+
+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 void __init mipid_dev_init(void)
+{
+ const struct omap_lcd_config *conf;
+
+ conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
+ if (conf != NULL) {
+ nokia770_mipid_platform_data.nreset_gpio = conf->nreset_gpio;
+ nokia770_mipid_platform_data.data_lines = conf->data_lines;
+ }
+}
+
+static void __init ads7846_dev_init(void)
+{
+ if (gpio_request(ADS7846_PENDOWN_GPIO, "ADS7846 pendown") < 0)
+ printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
+}
+
+static int ads7846_get_pendown_state(void)
+{
+ return !gpio_get_value(ADS7846_PENDOWN_GPIO);
+}
+
+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,
+ .get_pendown_state = ads7846_get_pendown_state,
+};
+
+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,
+ .irq = OMAP_GPIO_IRQ(15),
+ .platform_data = &nokia770_ads7846_platform_data,
+ },
+};
+
+static struct hwa742_platform_data nokia770_hwa742_platform_data = {
+ .te_connected = 1,
+};
+
+static void __init hwa742_dev_init(void)
+{
+ clk_add_alias("hwa_sys_ck", NULL, "bclk", NULL);
+ omapfb_set_ctrl_platform_data(&nokia770_hwa742_platform_data);
+}
+
+/* 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,
+};
+
+#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
+
+#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,
+ .dma_mask = 0xffffffff,
+ .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
+
+static void __init omap_nokia770_init(void)
+{
+ platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices));
+ 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();
+ ads7846_dev_init();
+ mipid_dev_init();
+ omap1_usb_init(&nokia770_usb_config);
+ nokia770_mmc_init();
+}
+
+static void __init omap_nokia770_map_io(void)
+{
+ omap1_map_common_io();
+}
+
+MACHINE_START(NOKIA770, "Nokia 770")
+ .boot_params = 0x10000100,
+ .map_io = omap_nokia770_map_io,
+ .reserve = omap_reserve,
+ .init_irq = omap_nokia770_init_irq,
+ .init_machine = omap_nokia770_init,
+ .timer = &omap_timer,
+MACHINE_END