#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
-#include <linux/irq.h>
#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/i2c.h>
+#include <linux/leds.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
-#include <asm/hardware.h>
+#include <linux/i2c/tps65010.h>
+
+#include <mach/hardware.h>
+#include <asm/gpio.h>
+
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/flash.h>
-#include <asm/arch/gpio.h>
-#include <asm/arch/usb.h>
-#include <asm/arch/mux.h>
-#include <asm/arch/tc.h>
-#include <asm/arch/common.h>
-#include <asm/arch/mcbsp.h>
-#include <asm/arch/omap-alsa.h>
+#include <mach/usb.h>
+#include <mach/mux.h>
+#include <mach/tc.h>
+#include <mach/common.h>
+
+/* At OMAP5912 OSK the Ethernet is directly connected to CS1 */
+#define OMAP_OSK_ETHR_START 0x04800300
+
+/* TPS65010 has four GPIOs. nPG and LED2 can be treated like GPIOs with
+ * alternate pin configurations for hardware-controlled blinking.
+ */
+#define OSK_TPS_GPIO_BASE (OMAP_MAX_GPIO_LINES + 16 /* MPUIO */)
+# define OSK_TPS_GPIO_USB_PWR_EN (OSK_TPS_GPIO_BASE + 0)
+# define OSK_TPS_GPIO_LED_D3 (OSK_TPS_GPIO_BASE + 1)
+# define OSK_TPS_GPIO_LAN_RESET (OSK_TPS_GPIO_BASE + 2)
+# define OSK_TPS_GPIO_DSP_PWR_EN (OSK_TPS_GPIO_BASE + 3)
+# define OSK_TPS_GPIO_LED_D9 (OSK_TPS_GPIO_BASE + 4)
+# define OSK_TPS_GPIO_LED_D2 (OSK_TPS_GPIO_BASE + 5)
static struct mtd_partition osk_partitions[] = {
/* bootloader (U-Boot, etc) in first sector */
[1] = {
.start = OMAP_GPIO_IRQ(0),
.end = OMAP_GPIO_IRQ(0),
- .flags = IORESOURCE_IRQ,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
},
};
.resource = osk5912_cf_resources,
};
-#define DEFAULT_BITPERSAMPLE 16
-
-static struct omap_mcbsp_reg_cfg mcbsp_regs = {
- .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
- .spcr1 = RINTM(3) | RRST,
- .rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
- RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0),
- .rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
- .xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
- XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG,
- .xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
- .srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1),
- .srgr2 = GSYNC | CLKSP | FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
- /*.pcr0 = FSXM | FSRM | CLKXM | CLKRM | CLKXP | CLKRP,*/ /* mcbsp: master */
- .pcr0 = CLKXP | CLKRP, /* mcbsp: slave */
+static struct platform_device *osk5912_devices[] __initdata = {
+ &osk5912_flash_device,
+ &osk5912_smc91x_device,
+ &osk5912_cf_device,
};
-static struct omap_alsa_codec_config alsa_config = {
- .name = "OSK AIC23",
- .mcbsp_regs_alsa = &mcbsp_regs,
- .codec_configure_dev = NULL, // aic23_configure,
- .codec_set_samplerate = NULL, // aic23_set_samplerate,
- .codec_clock_setup = NULL, // aic23_clock_setup,
- .codec_clock_on = NULL, // aic23_clock_on,
- .codec_clock_off = NULL, // aic23_clock_off,
- .get_default_samplerate = NULL, // aic23_get_default_samplerate,
+static struct gpio_led tps_leds[] = {
+ /* NOTE: D9 and D2 have hardware blink support.
+ * Also, D9 requires non-battery power.
+ */
+ { .gpio = OSK_TPS_GPIO_LED_D9, .name = "d9",
+ .default_trigger = "ide-disk", },
+ { .gpio = OSK_TPS_GPIO_LED_D2, .name = "d2", },
+ { .gpio = OSK_TPS_GPIO_LED_D3, .name = "d3", .active_low = 1,
+ .default_trigger = "heartbeat", },
};
-static struct platform_device osk5912_mcbsp1_device = {
- .name = "omap_alsa_mcbsp",
- .id = 1,
- .dev = {
- .platform_data = &alsa_config,
- },
+static struct gpio_led_platform_data tps_leds_data = {
+ .num_leds = 3,
+ .leds = tps_leds,
};
-static struct platform_device *osk5912_devices[] __initdata = {
- &osk5912_flash_device,
- &osk5912_smc91x_device,
- &osk5912_cf_device,
- &osk5912_mcbsp1_device,
+static struct platform_device osk5912_tps_leds = {
+ .name = "leds-gpio",
+ .id = 0,
+ .dev.platform_data = &tps_leds_data,
+};
+
+static int osk_tps_setup(struct i2c_client *client, void *context)
+{
+ /* Set GPIO 1 HIGH to disable VBUS power supply;
+ * OHCI driver powers it up/down as needed.
+ */
+ gpio_request(OSK_TPS_GPIO_USB_PWR_EN, "n_vbus_en");
+ gpio_direction_output(OSK_TPS_GPIO_USB_PWR_EN, 1);
+
+ /* Set GPIO 2 high so LED D3 is off by default */
+ tps65010_set_gpio_out_value(GPIO2, HIGH);
+
+ /* Set GPIO 3 low to take ethernet out of reset */
+ gpio_request(OSK_TPS_GPIO_LAN_RESET, "smc_reset");
+ gpio_direction_output(OSK_TPS_GPIO_LAN_RESET, 0);
+
+ /* GPIO4 is VDD_DSP */
+ gpio_request(OSK_TPS_GPIO_DSP_PWR_EN, "dsp_power");
+ gpio_direction_output(OSK_TPS_GPIO_DSP_PWR_EN, 1);
+ /* REVISIT if DSP support isn't configured, power it off ... */
+
+ /* Let LED1 (D9) blink; leds-gpio may override it */
+ tps65010_set_led(LED1, BLINK);
+
+ /* Set LED2 off by default */
+ tps65010_set_led(LED2, OFF);
+
+ /* Enable LOW_PWR handshake */
+ tps65010_set_low_pwr(ON);
+
+ /* Switch VLDO2 to 3.0V for AIC23 */
+ tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V
+ | TPS_LDO1_ENABLE);
+
+ /* register these three LEDs */
+ osk5912_tps_leds.dev.parent = &client->dev;
+ platform_device_register(&osk5912_tps_leds);
+
+ return 0;
+}
+
+static struct tps65010_board tps_board = {
+ .base = OSK_TPS_GPIO_BASE,
+ .outmask = 0x0f,
+ .setup = osk_tps_setup,
+};
+
+static struct i2c_board_info __initdata osk_i2c_board_info[] = {
+ {
+ I2C_BOARD_INFO("tps65010", 0x48),
+ .irq = OMAP_GPIO_IRQ(OMAP_MPUIO(1)),
+ .platform_data = &tps_board,
+
+ },
+ {
+ I2C_BOARD_INFO("tlv320aic23", 0x1B),
+ },
+ /* TODO when driver support is ready:
+ * - optionally on Mistral, ov9640 camera sensor at 0x30
+ */
};
static void __init osk_init_smc91x(void)
{
- if ((omap_request_gpio(0)) < 0) {
+ u32 l;
+
+ if ((gpio_request(0, "smc_irq")) < 0) {
printk("Error requesting gpio 0 for smc91x irq\n");
return;
}
/* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
- EMIFS_CCS(1) |= 0x3;
+ l = omap_readl(EMIFS_CCS(1));
+ l |= 0x3;
+ omap_writel(l, EMIFS_CCS(1));
}
static void __init osk_init_cf(void)
{
omap_cfg_reg(M7_1610_GPIO62);
- if ((omap_request_gpio(62)) < 0) {
+ if ((gpio_request(62, "cf_irq")) < 0) {
printk("Error requesting gpio 62 for CF irq\n");
return;
}
/* the CF I/O IRQ is really active-low */
- set_irq_type(OMAP_GPIO_IRQ(62), IRQT_FALLING);
+ set_irq_type(gpio_to_irq(62), IRQ_TYPE_EDGE_FALLING);
}
static void __init osk_init_irq(void)
.pins[0] = 2,
};
-static struct omap_uart_config osk_uart_config __initdata = {
- .enabled_uarts = (1 << 0),
-};
-
#ifdef CONFIG_OMAP_OSK_MISTRAL
static struct omap_lcd_config osk_lcd_config __initdata = {
.ctrl_name = "internal",
};
#endif
-static struct omap_board_config_kernel osk_config[] = {
- { OMAP_TAG_USB, &osk_usb_config },
- { OMAP_TAG_UART, &osk_uart_config },
+static struct omap_board_config_kernel osk_config[] __initdata = {
#ifdef CONFIG_OMAP_OSK_MISTRAL
{ OMAP_TAG_LCD, &osk_lcd_config },
#endif
#ifdef CONFIG_OMAP_OSK_MISTRAL
#include <linux/input.h>
+#include <linux/i2c/at24.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
-#include <asm/arch/keypad.h>
+#include <mach/keypad.h>
+
+static struct at24_platform_data at24c04 = {
+ .byte_len = SZ_4K / 8,
+ .page_size = 16,
+};
+
+static struct i2c_board_info __initdata mistral_i2c_board_info[] = {
+ {
+ /* NOTE: powered from LCD supply */
+ I2C_BOARD_INFO("24c04", 0x50),
+ .platform_data = &at24c04,
+ },
+ /* TODO when driver support is ready:
+ * - optionally ov9640 camera sensor at 0x30
+ */
+};
static const int osk_keymap[] = {
/* KEY(col, row, code) */
.resource = osk5912_kp_resources,
};
+static struct omap_backlight_config mistral_bl_data = {
+ .default_intensity = 0xa0,
+};
+
+static struct platform_device mistral_bl_device = {
+ .name = "omap-bl",
+ .id = -1,
+ .dev = {
+ .platform_data = &mistral_bl_data,
+ },
+};
+
static struct platform_device osk5912_lcd_device = {
.name = "lcd_osk",
.id = -1,
static struct platform_device *mistral_devices[] __initdata = {
&osk5912_kp_device,
+ &mistral_bl_device,
&osk5912_lcd_device,
};
static int mistral_get_pendown_state(void)
{
- return !omap_get_gpio_datain(4);
+ return !gpio_get_value(4);
}
static const struct ads7846_platform_data mistral_ts_info = {
omap_cfg_reg(W13_1610_CCP_CLKM);
omap_cfg_reg(Y12_1610_CCP_CLKP);
/* CCP_DATAM CONFLICTS WITH UART1.TX (and serial console) */
- // omap_cfg_reg(Y14_1610_CCP_DATAM);
+ /* omap_cfg_reg(Y14_1610_CCP_DATAM); */
omap_cfg_reg(W14_1610_CCP_DATAP);
/* CAM_PWDN */
- if (omap_request_gpio(11) == 0) {
+ if (gpio_request(11, "cam_pwdn") == 0) {
omap_cfg_reg(N20_1610_GPIO11);
- omap_set_gpio_direction(11, 0 /* out */);
- omap_set_gpio_dataout(11, 0 /* off */);
+ gpio_direction_output(11, 0);
} else
pr_debug("OSK+Mistral: CAM_PWDN is awol\n");
- // omap_cfg_reg(P19_1610_GPIO6); // BUSY
- omap_cfg_reg(P20_1610_GPIO4); // PENIRQ
- set_irq_type(OMAP_GPIO_IRQ(4), IRQT_FALLING);
+ /* omap_cfg_reg(P19_1610_GPIO6); */ /* BUSY */
+ gpio_request(6, "ts_busy");
+ gpio_direction_input(6);
+
+ omap_cfg_reg(P20_1610_GPIO4); /* PENIRQ */
+ gpio_request(4, "ts_int");
+ gpio_direction_input(4);
+ set_irq_type(gpio_to_irq(4), IRQ_TYPE_EDGE_FALLING);
+
spi_register_board_info(mistral_boardinfo,
ARRAY_SIZE(mistral_boardinfo));
- /* the sideways button (SW1) is for use as a "wakeup" button */
+ /* the sideways button (SW1) is for use as a "wakeup" button
+ *
+ * NOTE: The Mistral board has the wakeup button (SW1) wired
+ * to the LCD 3.3V rail, which is powered down during suspend.
+ * To allow this button to wake up the omap, work around this
+ * HW bug by rewiring SW1 to use the main 3.3V rail.
+ */
omap_cfg_reg(N15_1610_MPUIO2);
- if (omap_request_gpio(OMAP_MPUIO(2)) == 0) {
+ if (gpio_request(OMAP_MPUIO(2), "wakeup") == 0) {
int ret = 0;
- omap_set_gpio_direction(OMAP_MPUIO(2), 1);
- set_irq_type(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), IRQT_RISING);
+ int irq = gpio_to_irq(OMAP_MPUIO(2));
+
+ gpio_direction_input(OMAP_MPUIO(2));
+ set_irq_type(irq, IRQ_TYPE_EDGE_RISING);
#ifdef CONFIG_PM
/* share the IRQ in case someone wants to use the
* button for more than wakeup from system sleep.
*/
- ret = request_irq(OMAP_GPIO_IRQ(OMAP_MPUIO(2)),
+ ret = request_irq(irq,
&osk_mistral_wake_interrupt,
IRQF_SHARED, "mistral_wakeup",
&osk_mistral_wake_interrupt);
if (ret != 0) {
- omap_free_gpio(OMAP_MPUIO(2));
+ gpio_free(OMAP_MPUIO(2));
printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n",
ret);
} else
- enable_irq_wake(OMAP_GPIO_IRQ(OMAP_MPUIO(2)));
+ enable_irq_wake(irq);
#endif
} else
printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n");
+ /* LCD: backlight, and power; power controls other devices on the
+ * board, like the touchscreen, EEPROM, and wakeup (!) switch.
+ */
+ omap_cfg_reg(PWL);
+ if (gpio_request(2, "lcd_pwr") == 0)
+ gpio_direction_output(2, 1);
+
+ i2c_register_board_info(1, mistral_i2c_board_info,
+ ARRAY_SIZE(mistral_i2c_board_info));
+
platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices));
}
#else
static void __init osk_init(void)
{
+ u32 l;
+
/* Workaround for wrong CS3 (NOR flash) timing
* There are some U-Boot versions out there which configure
* wrong CS3 memory timings. This mainly leads to CRC
* or similar errors if you use NOR flash (e.g. with JFFS2)
*/
- if (EMIFS_CCS(3) != EMIFS_CS3_VAL)
- EMIFS_CCS(3) = EMIFS_CS3_VAL;
+ l = omap_readl(EMIFS_CCS(3));
+ if (l != EMIFS_CS3_VAL)
+ omap_writel(EMIFS_CS3_VAL, EMIFS_CCS(3));
osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys();
osk_flash_resource.end += SZ_32M - 1;
platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices));
omap_board_config = osk_config;
omap_board_config_size = ARRAY_SIZE(osk_config);
- USB_TRANSCEIVER_CTRL_REG |= (3 << 1);
+
+ l = omap_readl(USB_TRANSCEIVER_CTRL);
+ l |= (3 << 1);
+ omap_writel(l, USB_TRANSCEIVER_CTRL);
+
+ omap_usb_init(&osk_usb_config);
+
+ /* irq for tps65010 chip */
+ /* bootloader effectively does: omap_cfg_reg(U19_1610_MPUIO1); */
+ if (gpio_request(OMAP_MPUIO(1), "tps65010") == 0)
+ gpio_direction_input(OMAP_MPUIO(1));
omap_serial_init();
+ omap_register_i2c_bus(1, 400, osk_i2c_board_info,
+ ARRAY_SIZE(osk_i2c_board_info));
osk_mistral_init();
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff