S: Maintained
ARM/TOSA MACHINE SUPPORT
+P: Dmitry Baryshkov
+M: dbaryshkov@gmail.com
P: Dirk Opfer
M: dirk@opfer-online.de
S: Maintained
default BACKLIGHT_PWM
help
Enable support for PXA2xx/PXA3xx PWM controllers
+
+config TOSA_BT
+ tristate "Control the state of built-in bluetooth chip on Sharp SL-6000"
+ depends on MACH_TOSA
+ select RFKILL
+ help
+ This is a simple driver that is able to control
+ the state of built in bluetooth chip on tosa.
+
endif
# Common support (must be linked before board specific support)
obj-y += clock.o devices.o generic.o irq.o dma.o \
- time.o gpio.o
+ time.o gpio.o reset.o
obj-$(CONFIG_PM) += pm.o sleep.o standby.o
obj-$(CONFIG_CPU_FREQ) += cpu-pxa.o
ifeq ($(CONFIG_PCI),y)
obj-$(CONFIG_MACH_ARMCORE) += cm-x270-pci.o
endif
+
+obj-$(CONFIG_TOSA_BT) += tosa-bt.o
--- /dev/null
+/*
+ * 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/module.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <asm/io.h>
+#include <asm/proc-fns.h>
+
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/pxa2xx-regs.h>
+
+static void do_hw_reset(void);
+
+static int reset_gpio = -1;
+
+int init_gpio_reset(int gpio)
+{
+ int rc;
+
+ rc = gpio_request(gpio, "reset generator");
+ if (rc) {
+ printk(KERN_ERR "Can't request reset_gpio\n");
+ goto out;
+ }
+
+ rc = gpio_direction_input(gpio);
+ if (rc) {
+ printk(KERN_ERR "Can't configure reset_gpio for input\n");
+ gpio_free(gpio);
+ goto out;
+ }
+
+out:
+ if (!rc)
+ reset_gpio = gpio;
+
+ return rc;
+}
+
+/*
+ * Trigger GPIO reset.
+ * This covers various types of logic connecting gpio pin
+ * to RESET pins (nRESET or GPIO_RESET):
+ */
+static void do_gpio_reset(void)
+{
+ BUG_ON(reset_gpio == -1);
+
+ /* drive it low */
+ gpio_direction_output(reset_gpio, 0);
+ mdelay(2);
+ /* rising edge or drive high */
+ gpio_set_value(reset_gpio, 1);
+ mdelay(2);
+ /* falling edge */
+ gpio_set_value(reset_gpio, 0);
+
+ /* give it some time */
+ mdelay(10);
+
+ WARN_ON(1);
+ /* fallback */
+ do_hw_reset();
+}
+
+static void do_hw_reset(void)
+{
+ /* Initialize the watchdog and let it fire */
+ OWER = OWER_WME;
+ OSSR = OSSR_M3;
+ OSMR3 = OSCR + 368640; /* ... in 100 ms */
+}
+
+void arch_reset(char mode)
+{
+ if (cpu_is_pxa2xx())
+ RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
+
+ switch (mode) {
+ case 's':
+ /* Jump into ROM at address 0 */
+ cpu_reset(0);
+ break;
+ case 'h':
+ do_hw_reset();
+ break;
+ case 'g':
+ do_gpio_reset();
+ break;
+ }
+}
+
#include <asm/arch/pxa-regs.h>
#include <asm/arch/pxa2xx-regs.h>
#include <asm/arch/pxa2xx-gpio.h>
+#include <asm/arch/pxa27x-udc.h>
#include <asm/arch/irda.h>
#include <asm/arch/mmc.h>
#include <asm/arch/ohci.h>
static void spitz_poweroff(void)
{
- pxa_gpio_mode(SPITZ_GPIO_ON_RESET | GPIO_OUT);
- GPSR(SPITZ_GPIO_ON_RESET) = GPIO_bit(SPITZ_GPIO_ON_RESET);
-
- mdelay(1000);
- arm_machine_restart('h');
+ arm_machine_restart('g');
}
static void spitz_restart(char mode)
static void __init common_init(void)
{
+ init_gpio_reset(SPITZ_GPIO_ON_RESET);
pm_power_off = spitz_poweroff;
arm_pm_restart = spitz_restart;
--- /dev/null
+/*
+ * Bluetooth built-in chip control
+ *
+ * Copyright (c) 2008 Dmitry Baryshkov
+ *
+ * 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/module.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+#include <linux/rfkill.h>
+
+#include <asm/arch/tosa_bt.h>
+
+static void tosa_bt_on(struct tosa_bt_data *data)
+{
+ gpio_set_value(data->gpio_reset, 0);
+ gpio_set_value(data->gpio_pwr, 1);
+ gpio_set_value(data->gpio_reset, 1);
+ mdelay(20);
+ gpio_set_value(data->gpio_reset, 0);
+}
+
+static void tosa_bt_off(struct tosa_bt_data *data)
+{
+ gpio_set_value(data->gpio_reset, 1);
+ mdelay(10);
+ gpio_set_value(data->gpio_pwr, 0);
+ gpio_set_value(data->gpio_reset, 0);
+}
+
+static int tosa_bt_toggle_radio(void *data, enum rfkill_state state)
+{
+ pr_info("BT_RADIO going: %s\n",
+ state == RFKILL_STATE_ON ? "on" : "off");
+
+ if (state == RFKILL_STATE_ON) {
+ pr_info("TOSA_BT: going ON\n");
+ tosa_bt_on(data);
+ } else {
+ pr_info("TOSA_BT: going OFF\n");
+ tosa_bt_off(data);
+ }
+ return 0;
+}
+
+static int tosa_bt_probe(struct platform_device *dev)
+{
+ int rc;
+ struct rfkill *rfk;
+
+ struct tosa_bt_data *data = dev->dev.platform_data;
+
+ rc = gpio_request(data->gpio_reset, "Bluetooth reset");
+ if (rc)
+ goto err_reset;
+ rc = gpio_direction_output(data->gpio_reset, 0);
+ if (rc)
+ goto err_reset_dir;
+ rc = gpio_request(data->gpio_pwr, "Bluetooth power");
+ if (rc)
+ goto err_pwr;
+ rc = gpio_direction_output(data->gpio_pwr, 0);
+ if (rc)
+ goto err_pwr_dir;
+
+ rfk = rfkill_allocate(&dev->dev, RFKILL_TYPE_BLUETOOTH);
+ if (!rfk) {
+ rc = -ENOMEM;
+ goto err_rfk_alloc;
+ }
+
+ rfk->name = "tosa-bt";
+ rfk->toggle_radio = tosa_bt_toggle_radio;
+ rfk->data = data;
+#ifdef CONFIG_RFKILL_LEDS
+ rfk->led_trigger.name = "tosa-bt";
+#endif
+
+ rc = rfkill_register(rfk);
+ if (rc)
+ goto err_rfkill;
+
+ platform_set_drvdata(dev, rfk);
+
+ return 0;
+
+err_rfkill:
+ if (rfk)
+ rfkill_free(rfk);
+ rfk = NULL;
+err_rfk_alloc:
+ tosa_bt_off(data);
+err_pwr_dir:
+ gpio_free(data->gpio_pwr);
+err_pwr:
+err_reset_dir:
+ gpio_free(data->gpio_reset);
+err_reset:
+ return rc;
+}
+
+static int __devexit tosa_bt_remove(struct platform_device *dev)
+{
+ struct tosa_bt_data *data = dev->dev.platform_data;
+ struct rfkill *rfk = platform_get_drvdata(dev);
+
+ platform_set_drvdata(dev, NULL);
+
+ if (rfk)
+ rfkill_unregister(rfk);
+ rfk = NULL;
+
+ tosa_bt_off(data);
+
+ gpio_free(data->gpio_pwr);
+ gpio_free(data->gpio_reset);
+
+ return 0;
+}
+
+static struct platform_driver tosa_bt_driver = {
+ .probe = tosa_bt_probe,
+ .remove = __devexit_p(tosa_bt_remove),
+
+ .driver = {
+ .name = "tosa-bt",
+ .owner = THIS_MODULE,
+ },
+};
+
+
+static int __init tosa_bt_init(void)
+{
+ return platform_driver_register(&tosa_bt_driver);
+}
+
+static void __exit tosa_bt_exit(void)
+{
+ platform_driver_unregister(&tosa_bt_driver);
+}
+
+module_init(tosa_bt_init);
+module_exit(tosa_bt_exit);
#include <linux/major.h>
#include <linux/fs.h>
#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/fb.h>
#include <linux/mmc/host.h>
+#include <linux/mfd/tc6393xb.h>
+#include <linux/mfd/tmio.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
#include <linux/pm.h>
-#include <linux/delay.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/gpio.h>
+#include <linux/pda_power.h>
+#include <linux/rfkill.h>
#include <asm/setup.h>
-#include <asm/memory.h>
#include <asm/mach-types.h>
-#include <asm/hardware.h>
-#include <asm/irq.h>
-#include <asm/system.h>
-#include <asm/arch/pxa-regs.h>
#include <asm/arch/pxa2xx-regs.h>
#include <asm/arch/mfp-pxa25x.h>
#include <asm/arch/irda.h>
#include <asm/arch/i2c.h>
#include <asm/arch/mmc.h>
#include <asm/arch/udc.h>
+#include <asm/arch/tosa_bt.h>
#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-#include <asm/mach/irq.h>
#include <asm/arch/tosa.h>
#include <asm/hardware/scoop.h>
GPIO6_MMC_CLK,
GPIO8_MMC_CS0,
GPIO9_GPIO, /* Detect */
- // GPIO10 nSD_INT
+ GPIO10_GPIO, /* nSD_INT */
/* CF */
GPIO13_GPIO, /* CD_IRQ */
GPIO44_BTUART_CTS,
GPIO45_BTUART_RTS,
- /* IrDA */
- GPIO46_STUART_RXD,
- GPIO47_STUART_TXD,
-
/* Keybd */
- GPIO58_GPIO,
- GPIO59_GPIO,
- GPIO60_GPIO,
- GPIO61_GPIO,
- GPIO62_GPIO,
- GPIO63_GPIO,
- GPIO64_GPIO,
- GPIO65_GPIO,
- GPIO66_GPIO,
- GPIO67_GPIO,
- GPIO68_GPIO,
- GPIO69_GPIO,
- GPIO70_GPIO,
- GPIO71_GPIO,
- GPIO72_GPIO,
- GPIO73_GPIO,
- GPIO74_GPIO,
- GPIO75_GPIO,
+ GPIO58_GPIO | MFP_LPM_DRIVE_LOW,
+ GPIO59_GPIO | MFP_LPM_DRIVE_LOW,
+ GPIO60_GPIO | MFP_LPM_DRIVE_LOW,
+ GPIO61_GPIO | MFP_LPM_DRIVE_LOW,
+ GPIO62_GPIO | MFP_LPM_DRIVE_LOW,
+ GPIO63_GPIO | MFP_LPM_DRIVE_LOW,
+ GPIO64_GPIO | MFP_LPM_DRIVE_LOW,
+ GPIO65_GPIO | MFP_LPM_DRIVE_LOW,
+ GPIO66_GPIO | MFP_LPM_DRIVE_LOW,
+ GPIO67_GPIO | MFP_LPM_DRIVE_LOW,
+ GPIO68_GPIO | MFP_LPM_DRIVE_LOW,
+ GPIO69_GPIO | MFP_LPM_DRIVE_LOW,
+ GPIO70_GPIO | MFP_LPM_DRIVE_LOW,
+ GPIO71_GPIO | MFP_LPM_DRIVE_LOW,
+ GPIO72_GPIO | MFP_LPM_DRIVE_LOW,
+ GPIO73_GPIO | MFP_LPM_DRIVE_LOW,
+ GPIO74_GPIO | MFP_LPM_DRIVE_LOW,
+ GPIO75_GPIO | MFP_LPM_DRIVE_LOW,
/* SPI */
GPIO81_SSP2_CLK_OUT,
GPIO83_SSP2_TXD,
};
+static unsigned long tosa_pin_irda_off[] = {
+ GPIO46_STUART_RXD,
+ GPIO47_GPIO | MFP_LPM_DRIVE_LOW,
+};
+
+static unsigned long tosa_pin_irda_on[] = {
+ GPIO46_STUART_RXD,
+ GPIO47_STUART_TXD,
+};
+
+
/*
* SCOOP Device
*/
tosa_mci_platform_data.detect_delay = msecs_to_jiffies(250);
+ err = gpio_request(TOSA_GPIO_nSD_DETECT, "MMC/SD card detect");
+ if (err) {
+ printk(KERN_ERR "tosa_mci_init: can't request nSD_DETECT gpio\n");
+ goto err_gpio_detect;
+ }
+ err = gpio_direction_input(TOSA_GPIO_nSD_DETECT);
+ if (err)
+ goto err_gpio_detect_dir;
+
err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int,
IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
"MMC/SD card detect", data);
goto err_irq;
}
- err = gpio_request(TOSA_GPIO_SD_WP, "sd_wp");
+ err = gpio_request(TOSA_GPIO_SD_WP, "SD Write Protect");
if (err) {
printk(KERN_ERR "tosa_mci_init: can't request SD_WP gpio\n");
goto err_gpio_wp;
if (err)
goto err_gpio_wp_dir;
- err = gpio_request(TOSA_GPIO_PWR_ON, "sd_pwr");
+ err = gpio_request(TOSA_GPIO_PWR_ON, "SD Power");
if (err) {
printk(KERN_ERR "tosa_mci_init: can't request SD_PWR gpio\n");
goto err_gpio_pwr;
if (err)
goto err_gpio_pwr_dir;
+ err = gpio_request(TOSA_GPIO_nSD_INT, "SD Int");
+ if (err) {
+ printk(KERN_ERR "tosa_mci_init: can't request SD_PWR gpio\n");
+ goto err_gpio_int;
+ }
+ err = gpio_direction_input(TOSA_GPIO_nSD_INT);
+ if (err)
+ goto err_gpio_int_dir;
+
return 0;
+err_gpio_int_dir:
+ gpio_free(TOSA_GPIO_nSD_INT);
+err_gpio_int:
err_gpio_pwr_dir:
gpio_free(TOSA_GPIO_PWR_ON);
err_gpio_pwr:
err_gpio_wp:
free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data);
err_irq:
+err_gpio_detect_dir:
+ gpio_free(TOSA_GPIO_nSD_DETECT);
+err_gpio_detect:
return err;
}
static void tosa_mci_exit(struct device *dev, void *data)
{
+ gpio_free(TOSA_GPIO_nSD_INT);
gpio_free(TOSA_GPIO_PWR_ON);
gpio_free(TOSA_GPIO_SD_WP);
free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data);
+ gpio_free(TOSA_GPIO_nSD_DETECT);
}
static struct pxamci_platform_data tosa_mci_platform_data = {
/*
* Irda
*/
+static void tosa_irda_transceiver_mode(struct device *dev, int mode)
+{
+ if (mode & IR_OFF) {
+ gpio_set_value(TOSA_GPIO_IR_POWERDWN, 0);
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(tosa_pin_irda_off));
+ gpio_direction_output(TOSA_GPIO_IRDA_TX, 0);
+ } else {
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(tosa_pin_irda_on));
+ gpio_set_value(TOSA_GPIO_IR_POWERDWN, 1);
+ }
+}
+
static int tosa_irda_startup(struct device *dev)
{
int ret;
+ ret = gpio_request(TOSA_GPIO_IRDA_TX, "IrDA TX");
+ if (ret)
+ goto err_tx;
+ ret = gpio_direction_output(TOSA_GPIO_IRDA_TX, 0);
+ if (ret)
+ goto err_tx_dir;
+
ret = gpio_request(TOSA_GPIO_IR_POWERDWN, "IrDA powerdown");
if (ret)
- return ret;
+ goto err_pwr;
ret = gpio_direction_output(TOSA_GPIO_IR_POWERDWN, 0);
if (ret)
- gpio_free(TOSA_GPIO_IR_POWERDWN);
+ goto err_pwr_dir;
- return ret;
- }
+ tosa_irda_transceiver_mode(dev, IR_SIRMODE | IR_OFF);
-static void tosa_irda_shutdown(struct device *dev)
-{
+ return 0;
+
+err_pwr_dir:
gpio_free(TOSA_GPIO_IR_POWERDWN);
+err_pwr:
+err_tx_dir:
+ gpio_free(TOSA_GPIO_IRDA_TX);
+err_tx:
+ return ret;
}
-static void tosa_irda_transceiver_mode(struct device *dev, int mode)
+static void tosa_irda_shutdown(struct device *dev)
{
- gpio_set_value(TOSA_GPIO_IR_POWERDWN, !(mode & IR_OFF));
+ tosa_irda_transceiver_mode(dev, IR_SIRMODE | IR_OFF);
+ gpio_free(TOSA_GPIO_IR_POWERDWN);
+ gpio_free(TOSA_GPIO_IRDA_TX);
}
static struct pxaficp_platform_data tosa_ficp_platform_data = {
.shutdown = tosa_irda_shutdown,
};
+/*
+ * Tosa AC IN
+ */
+static int tosa_power_init(struct device *dev)
+{
+ int ret = gpio_request(TOSA_GPIO_AC_IN, "ac in");
+ if (ret)
+ goto err_gpio_req;
+
+ ret = gpio_direction_input(TOSA_GPIO_AC_IN);
+ if (ret)
+ goto err_gpio_in;
+
+ return 0;
+
+err_gpio_in:
+ gpio_free(TOSA_GPIO_AC_IN);
+err_gpio_req:
+ return ret;
+}
+
+static void tosa_power_exit(struct device *dev)
+{
+ gpio_free(TOSA_GPIO_AC_IN);
+}
+
+static int tosa_power_ac_online(void)
+{
+ return gpio_get_value(TOSA_GPIO_AC_IN) == 0;
+}
+
+static char *tosa_ac_supplied_to[] = {
+ "main-battery",
+ "backup-battery",
+ "jacket-battery",
+};
+
+static struct pda_power_pdata tosa_power_data = {
+ .init = tosa_power_init,
+ .is_ac_online = tosa_power_ac_online,
+ .exit = tosa_power_exit,
+ .supplied_to = tosa_ac_supplied_to,
+ .num_supplicants = ARRAY_SIZE(tosa_ac_supplied_to),
+};
+
+static struct resource tosa_power_resource[] = {
+ {
+ .name = "ac",
+ .start = gpio_to_irq(TOSA_GPIO_AC_IN),
+ .end = gpio_to_irq(TOSA_GPIO_AC_IN),
+ .flags = IORESOURCE_IRQ |
+ IORESOURCE_IRQ_HIGHEDGE |
+ IORESOURCE_IRQ_LOWEDGE,
+ },
+};
+
+static struct platform_device tosa_power_device = {
+ .name = "pda-power",
+ .id = -1,
+ .dev.platform_data = &tosa_power_data,
+ .resource = tosa_power_resource,
+ .num_resources = ARRAY_SIZE(tosa_power_resource),
+};
+
/*
* Tosa Keyboard
*/
},
{
.name = "tosa:blue:bluetooth",
- .default_trigger = "none",
+ .default_trigger = "tosa-bt",
.gpio = TOSA_GPIO_BT_LED,
},
};
},
};
+/*
+ * Toshiba Mobile IO Controller
+ */
+static struct resource tc6393xb_resources[] = {
+ [0] = {
+ .start = TOSA_LCDC_PHYS,
+ .end = TOSA_LCDC_PHYS + 0x3ffffff,
+ .flags = IORESOURCE_MEM,
+ },
+
+ [1] = {
+ .start = TOSA_IRQ_GPIO_TC6393XB_INT,
+ .end = TOSA_IRQ_GPIO_TC6393XB_INT,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+
+static int tosa_tc6393xb_enable(struct platform_device *dev)
+{
+ int rc;
+
+ rc = gpio_request(TOSA_GPIO_TC6393XB_REST_IN, "tc6393xb #pclr");
+ if (rc)
+ goto err_req_pclr;
+ rc = gpio_request(TOSA_GPIO_TC6393XB_SUSPEND, "tc6393xb #suspend");
+ if (rc)
+ goto err_req_suspend;
+ rc = gpio_request(TOSA_GPIO_TC6393XB_L3V_ON, "l3v");
+ if (rc)
+ goto err_req_l3v;
+ rc = gpio_direction_output(TOSA_GPIO_TC6393XB_L3V_ON, 0);
+ if (rc)
+ goto err_dir_l3v;
+ rc = gpio_direction_output(TOSA_GPIO_TC6393XB_SUSPEND, 0);
+ if (rc)
+ goto err_dir_suspend;
+ rc = gpio_direction_output(TOSA_GPIO_TC6393XB_REST_IN, 0);
+ if (rc)
+ goto err_dir_pclr;
+
+ mdelay(1);
+
+ gpio_set_value(TOSA_GPIO_TC6393XB_SUSPEND, 1);
+
+ mdelay(10);
+
+ gpio_set_value(TOSA_GPIO_TC6393XB_REST_IN, 1);
+ gpio_set_value(TOSA_GPIO_TC6393XB_L3V_ON, 1);
+
+ return 0;
+err_dir_pclr:
+err_dir_suspend:
+err_dir_l3v:
+ gpio_free(TOSA_GPIO_TC6393XB_L3V_ON);
+err_req_l3v:
+ gpio_free(TOSA_GPIO_TC6393XB_SUSPEND);
+err_req_suspend:
+ gpio_free(TOSA_GPIO_TC6393XB_REST_IN);
+err_req_pclr:
+ return rc;
+}
+
+static int tosa_tc6393xb_disable(struct platform_device *dev)
+{
+ gpio_free(TOSA_GPIO_TC6393XB_L3V_ON);
+ gpio_free(TOSA_GPIO_TC6393XB_SUSPEND);
+ gpio_free(TOSA_GPIO_TC6393XB_REST_IN);
+
+ return 0;
+}
+
+static int tosa_tc6393xb_resume(struct platform_device *dev)
+{
+ gpio_set_value(TOSA_GPIO_TC6393XB_SUSPEND, 1);
+ mdelay(10);
+ gpio_set_value(TOSA_GPIO_TC6393XB_L3V_ON, 1);
+ mdelay(10);
+
+ return 0;
+}
+
+static int tosa_tc6393xb_suspend(struct platform_device *dev)
+{
+ gpio_set_value(TOSA_GPIO_TC6393XB_L3V_ON, 0);
+ gpio_set_value(TOSA_GPIO_TC6393XB_SUSPEND, 0);
+ return 0;
+}
+
+static struct mtd_partition tosa_nand_partition[] = {
+ {
+ .name = "smf",
+ .offset = 0,
+ .size = 7 * 1024 * 1024,
+ },
+ {
+ .name = "root",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 28 * 1024 * 1024,
+ },
+ {
+ .name = "home",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
+
+static struct nand_bbt_descr tosa_tc6393xb_nand_bbt = {
+ .options = 0,
+ .offs = 4,
+ .len = 2,
+ .pattern = scan_ff_pattern
+};
+
+static struct tmio_nand_data tosa_tc6393xb_nand_config = {
+ .num_partitions = ARRAY_SIZE(tosa_nand_partition),
+ .partition = tosa_nand_partition,
+ .badblock_pattern = &tosa_tc6393xb_nand_bbt,
+};
+
+static struct tc6393xb_platform_data tosa_tc6393xb_setup = {
+ .scr_pll2cr = 0x0cc1,
+ .scr_gper = 0x3300,
+ .scr_gpo_dsr =
+ TOSA_TC6393XB_GPIO_BIT(TOSA_GPIO_CARD_VCC_ON),
+ .scr_gpo_doecr =
+ TOSA_TC6393XB_GPIO_BIT(TOSA_GPIO_CARD_VCC_ON),
+
+ .irq_base = IRQ_BOARD_START,
+ .gpio_base = TOSA_TC6393XB_GPIO_BASE,
+
+ .enable = tosa_tc6393xb_enable,
+ .disable = tosa_tc6393xb_disable,
+ .suspend = tosa_tc6393xb_suspend,
+ .resume = tosa_tc6393xb_resume,
+
+ .nand_data = &tosa_tc6393xb_nand_config,
+};
+
+
+static struct platform_device tc6393xb_device = {
+ .name = "tc6393xb",
+ .id = -1,
+ .dev = {
+ .platform_data = &tosa_tc6393xb_setup,
+ },
+ .num_resources = ARRAY_SIZE(tc6393xb_resources),
+ .resource = tc6393xb_resources,
+};
+
+static struct tosa_bt_data tosa_bt_data = {
+ .gpio_pwr = TOSA_GPIO_BT_PWR_EN,
+ .gpio_reset = TOSA_GPIO_BT_RESET,
+};
+
+static struct platform_device tosa_bt_device = {
+ .name = "tosa-bt",
+ .id = -1,
+ .dev.platform_data = &tosa_bt_data,
+};
+
+
static struct platform_device *devices[] __initdata = {
&tosascoop_device,
&tosascoop_jc_device,
+ &tc6393xb_device,
+ &tosa_power_device,
&tosakbd_device,
&tosa_gpio_keys_device,
&tosaled_device,
+ &tosa_bt_device,
};
static void tosa_poweroff(void)
{
- gpio_direction_output(TOSA_GPIO_ON_RESET, 0);
- gpio_set_value(TOSA_GPIO_ON_RESET, 1);
-
- mdelay(1000);
- arm_machine_restart('h');
+ arm_machine_restart('g');
}
static void tosa_restart(char mode)
static void __init tosa_init(void)
{
+ int dummy;
+
pxa2xx_mfp_config(ARRAY_AND_SIZE(tosa_pin_config));
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(tosa_pin_irda_off));
gpio_set_wake(MFP_PIN_GPIO1, 1);
/* We can't pass to gpio-keys since it will drop the Reset altfunc */
+ init_gpio_reset(TOSA_GPIO_ON_RESET);
+
pm_power_off = tosa_poweroff;
arm_pm_restart = tosa_restart;
/* enable batt_fault */
PMCR = 0x01;
+ dummy = gpiochip_reserve(TOSA_SCOOP_GPIO_BASE, 12);
+ dummy = gpiochip_reserve(TOSA_SCOOP_JC_GPIO_BASE, 12);
+ dummy = gpiochip_reserve(TOSA_TC6393XB_GPIO_BASE, 16);
+
pxa_set_mci_info(&tosa_mci_platform_data);
pxa_set_udc_info(&udc_info);
pxa_set_ficp_info(&tosa_ficp_platform_data);
unsigned long flags;
spin_lock_irqsave(&tosakbd->lock, flags);
- PGSR1 = (PGSR1 & ~TOSA_GPIO_LOW_STROBE_BIT);
- PGSR2 = (PGSR2 & ~TOSA_GPIO_HIGH_STROBE_BIT);
tosakbd->suspended = 1;
spin_unlock_irqrestore(&tosakbd->lock, flags);
menu "Multifunction device drivers"
depends on HAS_IOMEM
+config MFD_CORE
+ tristate
+ default n
+
config MFD_SM501
tristate "Support for Silicon Motion SM501"
---help---
HTC Magician devices, respectively. Actual functionality is
handled by the leds-pasic3 and ds1wm drivers.
+config MFD_TC6393XB
+ bool "Support Toshiba TC6393XB"
+ depends on HAVE_GPIO_LIB
+ select MFD_CORE
+ help
+ Support for Toshiba Mobile IO Controller TC6393XB
+
endmenu
menu "Multimedia Capabilities Port drivers"
obj-$(CONFIG_HTC_EGPIO) += htc-egpio.o
obj-$(CONFIG_HTC_PASIC3) += htc-pasic3.o
+obj-$(CONFIG_MFD_TC6393XB) += tc6393xb.o
+
+obj-$(CONFIG_MFD_CORE) += mfd-core.o
+
obj-$(CONFIG_MCP) += mcp-core.o
obj-$(CONFIG_MCP_SA11X0) += mcp-sa11x0.o
obj-$(CONFIG_MCP_UCB1200) += ucb1x00-core.o
--- /dev/null
+/*
+ * drivers/mfd/mfd-core.c
+ *
+ * core MFD support
+ * Copyright (c) 2006 Ian Molton
+ * Copyright (c) 2007,2008 Dmitry Baryshkov
+ *
+ * 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/platform_device.h>
+#include <linux/mfd/core.h>
+
+static int mfd_add_device(struct platform_device *parent,
+ const struct mfd_cell *cell,
+ struct resource *mem_base,
+ int irq_base)
+{
+ struct resource res[cell->num_resources];
+ struct platform_device *pdev;
+ int ret = -ENOMEM;
+ int r;
+
+ pdev = platform_device_alloc(cell->name, parent->id);
+ if (!pdev)
+ goto fail_alloc;
+
+ pdev->dev.parent = &parent->dev;
+
+ ret = platform_device_add_data(pdev,
+ cell, sizeof(struct mfd_cell));
+ if (ret)
+ goto fail_device;
+
+ memzero(res, sizeof(res));
+ for (r = 0; r < cell->num_resources; r++) {
+ res[r].name = cell->resources[r].name;
+ res[r].flags = cell->resources[r].flags;
+
+ /* Find out base to use */
+ if (cell->resources[r].flags & IORESOURCE_MEM) {
+ res[r].parent = mem_base;
+ res[r].start = mem_base->start +
+ cell->resources[r].start;
+ res[r].end = mem_base->start +
+ cell->resources[r].end;
+ } else if (cell->resources[r].flags & IORESOURCE_IRQ) {
+ res[r].start = irq_base +
+ cell->resources[r].start;
+ res[r].end = irq_base +
+ cell->resources[r].end;
+ } else {
+ res[r].parent = cell->resources[r].parent;
+ res[r].start = cell->resources[r].start;
+ res[r].end = cell->resources[r].end;
+ }
+ }
+
+ platform_device_add_resources(pdev, res, cell->num_resources);
+
+ ret = platform_device_add(pdev);
+ if (ret)
+ goto fail_device;
+
+ return 0;
+
+/* platform_device_del(pdev); */
+fail_device:
+ platform_device_put(pdev);
+fail_alloc:
+ return ret;
+}
+
+int mfd_add_devices(
+ struct platform_device *parent,
+ const struct mfd_cell *cells, int n_devs,
+ struct resource *mem_base,
+ int irq_base)
+{
+ int i;
+ int ret = 0;
+
+ for (i = 0; i < n_devs; i++) {
+ ret = mfd_add_device(parent, cells + i, mem_base, irq_base);
+ if (ret)
+ break;
+ }
+
+ if (ret)
+ mfd_remove_devices(parent);
+
+ return ret;
+}
+EXPORT_SYMBOL(mfd_add_devices);
+
+static int mfd_remove_devices_fn(struct device *dev, void *unused)
+{
+ platform_device_unregister(
+ container_of(dev, struct platform_device, dev));
+ return 0;
+}
+
+void mfd_remove_devices(struct platform_device *parent)
+{
+ device_for_each_child(&parent->dev, NULL, mfd_remove_devices_fn);
+}
+EXPORT_SYMBOL(mfd_remove_devices);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Ian Molton, Dmitry Baryshkov");
--- /dev/null
+/*
+ * Toshiba TC6393XB SoC support
+ *
+ * Copyright(c) 2005-2006 Chris Humbert
+ * Copyright(c) 2005 Dirk Opfer
+ * Copyright(c) 2005 Ian Molton <spyro@f2s.com>
+ * Copyright(c) 2007 Dmitry Baryshkov
+ *
+ * Based on code written by Sharp/Lineo for 2.4 kernels
+ * Based on locomo.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/module.h>
+#include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/fb.h>
+#include <linux/clk.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/tmio.h>
+#include <linux/mfd/tc6393xb.h>
+#include <linux/gpio.h>
+
+#define SCR_REVID 0x08 /* b Revision ID */
+#define SCR_ISR 0x50 /* b Interrupt Status */
+#define SCR_IMR 0x52 /* b Interrupt Mask */
+#define SCR_IRR 0x54 /* b Interrupt Routing */
+#define SCR_GPER 0x60 /* w GP Enable */
+#define SCR_GPI_SR(i) (0x64 + (i)) /* b3 GPI Status */
+#define SCR_GPI_IMR(i) (0x68 + (i)) /* b3 GPI INT Mask */
+#define SCR_GPI_EDER(i) (0x6c + (i)) /* b3 GPI Edge Detect Enable */
+#define SCR_GPI_LIR(i) (0x70 + (i)) /* b3 GPI Level Invert */
+#define SCR_GPO_DSR(i) (0x78 + (i)) /* b3 GPO Data Set */
+#define SCR_GPO_DOECR(i) (0x7c + (i)) /* b3 GPO Data OE Control */
+#define SCR_GP_IARCR(i) (0x80 + (i)) /* b3 GP Internal Active Register Control */
+#define SCR_GP_IARLCR(i) (0x84 + (i)) /* b3 GP INTERNAL Active Register Level Control */
+#define SCR_GPI_BCR(i) (0x88 + (i)) /* b3 GPI Buffer Control */
+#define SCR_GPA_IARCR 0x8c /* w GPa Internal Active Register Control */
+#define SCR_GPA_IARLCR 0x90 /* w GPa Internal Active Register Level Control */
+#define SCR_GPA_BCR 0x94 /* w GPa Buffer Control */
+#define SCR_CCR 0x98 /* w Clock Control */
+#define SCR_PLL2CR 0x9a /* w PLL2 Control */
+#define SCR_PLL1CR 0x9c /* l PLL1 Control */
+#define SCR_DIARCR 0xa0 /* b Device Internal Active Register Control */
+#define SCR_DBOCR 0xa1 /* b Device Buffer Off Control */
+#define SCR_FER 0xe0 /* b Function Enable */
+#define SCR_MCR 0xe4 /* w Mode Control */
+#define SCR_CONFIG 0xfc /* b Configuration Control */
+#define SCR_DEBUG 0xff /* b Debug */
+
+#define SCR_CCR_CK32K BIT(0)
+#define SCR_CCR_USBCK BIT(1)
+#define SCR_CCR_UNK1 BIT(4)
+#define SCR_CCR_MCLK_MASK (7 << 8)
+#define SCR_CCR_MCLK_OFF (0 << 8)
+#define SCR_CCR_MCLK_12 (1 << 8)
+#define SCR_CCR_MCLK_24 (2 << 8)
+#define SCR_CCR_MCLK_48 (3 << 8)
+#define SCR_CCR_HCLK_MASK (3 << 12)
+#define SCR_CCR_HCLK_24 (0 << 12)
+#define SCR_CCR_HCLK_48 (1 << 12)
+
+#define SCR_FER_USBEN BIT(0) /* USB host enable */
+#define SCR_FER_LCDCVEN BIT(1) /* polysilicon TFT enable */
+#define SCR_FER_SLCDEN BIT(2) /* SLCD enable */
+
+#define SCR_MCR_RDY_MASK (3 << 0)
+#define SCR_MCR_RDY_OPENDRAIN (0 << 0)
+#define SCR_MCR_RDY_TRISTATE (1 << 0)
+#define SCR_MCR_RDY_PUSHPULL (2 << 0)
+#define SCR_MCR_RDY_UNK BIT(2)
+#define SCR_MCR_RDY_EN BIT(3)
+#define SCR_MCR_INT_MASK (3 << 4)
+#define SCR_MCR_INT_OPENDRAIN (0 << 4)
+#define SCR_MCR_INT_TRISTATE (1 << 4)
+#define SCR_MCR_INT_PUSHPULL (2 << 4)
+#define SCR_MCR_INT_UNK BIT(6)
+#define SCR_MCR_INT_EN BIT(7)
+/* bits 8 - 16 are unknown */
+
+#define TC_GPIO_BIT(i) (1 << (i & 0x7))
+
+/*--------------------------------------------------------------------------*/
+
+struct tc6393xb {
+ void __iomem *scr;
+
+ struct gpio_chip gpio;
+
+ struct clk *clk; /* 3,6 Mhz */
+
+ spinlock_t lock; /* protects RMW cycles */
+
+ struct {
+ u8 fer;
+ u16 ccr;
+ u8 gpi_bcr[3];
+ u8 gpo_dsr[3];
+ u8 gpo_doecr[3];
+ } suspend_state;
+
+ struct resource rscr;
+ struct resource *iomem;
+ int irq;
+ int irq_base;
+};
+
+enum {
+ TC6393XB_CELL_NAND,
+};
+
+/*--------------------------------------------------------------------------*/
+
+static int tc6393xb_nand_enable(struct platform_device *nand)
+{
+ struct platform_device *dev = to_platform_device(nand->dev.parent);
+ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
+ unsigned long flags;
+
+ spin_lock_irqsave(&tc6393xb->lock, flags);
+
+ /* SMD buffer on */
+ dev_dbg(&dev->dev, "SMD buffer on\n");
+ iowrite8(0xff, tc6393xb->scr + SCR_GPI_BCR(1));
+
+ spin_unlock_irqrestore(&tc6393xb->lock, flags);
+
+ return 0;
+}
+
+static struct resource __devinitdata tc6393xb_nand_resources[] = {
+ {
+ .name = TMIO_NAND_CONFIG,
+ .start = 0x0100,
+ .end = 0x01ff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = TMIO_NAND_CONTROL,
+ .start = 0x1000,
+ .end = 0x1007,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = TMIO_NAND_IRQ,
+ .start = IRQ_TC6393_NAND,
+ .end = IRQ_TC6393_NAND,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct mfd_cell __devinitdata tc6393xb_cells[] = {
+ [TC6393XB_CELL_NAND] = {
+ .name = "tmio-nand",
+ .enable = tc6393xb_nand_enable,
+ .num_resources = ARRAY_SIZE(tc6393xb_nand_resources),
+ .resources = tc6393xb_nand_resources,
+ },
+};
+
+/*--------------------------------------------------------------------------*/
+
+static int tc6393xb_gpio_get(struct gpio_chip *chip,
+ unsigned offset)
+{
+ struct tc6393xb *tc6393xb = container_of(chip, struct tc6393xb, gpio);
+
+ /* XXX: does dsr also represent inputs? */
+ return ioread8(tc6393xb->scr + SCR_GPO_DSR(offset / 8))
+ & TC_GPIO_BIT(offset);
+}
+
+static void __tc6393xb_gpio_set(struct gpio_chip *chip,
+ unsigned offset, int value)
+{
+ struct tc6393xb *tc6393xb = container_of(chip, struct tc6393xb, gpio);
+ u8 dsr;
+
+ dsr = ioread8(tc6393xb->scr + SCR_GPO_DSR(offset / 8));
+ if (value)
+ dsr |= TC_GPIO_BIT(offset);
+ else
+ dsr &= ~TC_GPIO_BIT(offset);
+
+ iowrite8(dsr, tc6393xb->scr + SCR_GPO_DSR(offset / 8));
+}
+
+static void tc6393xb_gpio_set(struct gpio_chip *chip,
+ unsigned offset, int value)
+{
+ struct tc6393xb *tc6393xb = container_of(chip, struct tc6393xb, gpio);
+ unsigned long flags;
+
+ spin_lock_irqsave(&tc6393xb->lock, flags);
+
+ __tc6393xb_gpio_set(chip, offset, value);
+
+ spin_unlock_irqrestore(&tc6393xb->lock, flags);
+}
+
+static int tc6393xb_gpio_direction_input(struct gpio_chip *chip,
+ unsigned offset)
+{
+ struct tc6393xb *tc6393xb = container_of(chip, struct tc6393xb, gpio);
+ unsigned long flags;
+ u8 doecr;
+
+ spin_lock_irqsave(&tc6393xb->lock, flags);
+
+ doecr = ioread8(tc6393xb->scr + SCR_GPO_DOECR(offset / 8));
+ doecr &= ~TC_GPIO_BIT(offset);
+ iowrite8(doecr, tc6393xb->scr + SCR_GPO_DOECR(offset / 8));
+
+ spin_unlock_irqrestore(&tc6393xb->lock, flags);
+
+ return 0;
+}
+
+static int tc6393xb_gpio_direction_output(struct gpio_chip *chip,
+ unsigned offset, int value)
+{
+ struct tc6393xb *tc6393xb = container_of(chip, struct tc6393xb, gpio);
+ unsigned long flags;
+ u8 doecr;
+
+ spin_lock_irqsave(&tc6393xb->lock, flags);
+
+ __tc6393xb_gpio_set(chip, offset, value);
+
+ doecr = ioread8(tc6393xb->scr + SCR_GPO_DOECR(offset / 8));
+ doecr |= TC_GPIO_BIT(offset);
+ iowrite8(doecr, tc6393xb->scr + SCR_GPO_DOECR(offset / 8));
+
+ spin_unlock_irqrestore(&tc6393xb->lock, flags);
+
+ return 0;
+}
+
+static int tc6393xb_register_gpio(struct tc6393xb *tc6393xb, int gpio_base)
+{
+ tc6393xb->gpio.label = "tc6393xb";
+ tc6393xb->gpio.base = gpio_base;
+ tc6393xb->gpio.ngpio = 16;
+ tc6393xb->gpio.set = tc6393xb_gpio_set;
+ tc6393xb->gpio.get = tc6393xb_gpio_get;
+ tc6393xb->gpio.direction_input = tc6393xb_gpio_direction_input;
+ tc6393xb->gpio.direction_output = tc6393xb_gpio_direction_output;
+
+ return gpiochip_add(&tc6393xb->gpio);
+}
+
+/*--------------------------------------------------------------------------*/
+
+static void
+tc6393xb_irq(unsigned int irq, struct irq_desc *desc)
+{
+ struct tc6393xb *tc6393xb = get_irq_data(irq);
+ unsigned int isr;
+ unsigned int i, irq_base;
+
+ irq_base = tc6393xb->irq_base;
+
+ while ((isr = ioread8(tc6393xb->scr + SCR_ISR) &
+ ~ioread8(tc6393xb->scr + SCR_IMR)))
+ for (i = 0; i < TC6393XB_NR_IRQS; i++) {
+ if (isr & (1 << i))
+ generic_handle_irq(irq_base + i);
+ }
+}
+
+static void tc6393xb_irq_ack(unsigned int irq)
+{
+}
+
+static void tc6393xb_irq_mask(unsigned int irq)
+{
+ struct tc6393xb *tc6393xb = get_irq_chip_data(irq);
+ unsigned long flags;
+ u8 imr;
+
+ spin_lock_irqsave(&tc6393xb->lock, flags);
+ imr = ioread8(tc6393xb->scr + SCR_IMR);
+ imr |= 1 << (irq - tc6393xb->irq_base);
+ iowrite8(imr, tc6393xb->scr + SCR_IMR);
+ spin_unlock_irqrestore(&tc6393xb->lock, flags);
+}
+
+static void tc6393xb_irq_unmask(unsigned int irq)
+{
+ struct tc6393xb *tc6393xb = get_irq_chip_data(irq);
+ unsigned long flags;
+ u8 imr;
+
+ spin_lock_irqsave(&tc6393xb->lock, flags);
+ imr = ioread8(tc6393xb->scr + SCR_IMR);
+ imr &= ~(1 << (irq - tc6393xb->irq_base));
+ iowrite8(imr, tc6393xb->scr + SCR_IMR);
+ spin_unlock_irqrestore(&tc6393xb->lock, flags);
+}
+
+static struct irq_chip tc6393xb_chip = {
+ .name = "tc6393xb",
+ .ack = tc6393xb_irq_ack,
+ .mask = tc6393xb_irq_mask,
+ .unmask = tc6393xb_irq_unmask,
+};
+
+static void tc6393xb_attach_irq(struct platform_device *dev)
+{
+ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
+ unsigned int irq, irq_base;
+
+ irq_base = tc6393xb->irq_base;
+
+ for (irq = irq_base; irq < irq_base + TC6393XB_NR_IRQS; irq++) {
+ set_irq_chip(irq, &tc6393xb_chip);
+ set_irq_chip_data(irq, tc6393xb);
+ set_irq_handler(irq, handle_edge_irq);
+ set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
+ }
+
+ set_irq_type(tc6393xb->irq, IRQT_FALLING);
+ set_irq_data(tc6393xb->irq, tc6393xb);
+ set_irq_chained_handler(tc6393xb->irq, tc6393xb_irq);
+}
+
+static void tc6393xb_detach_irq(struct platform_device *dev)
+{
+ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
+ unsigned int irq, irq_base;
+
+ set_irq_chained_handler(tc6393xb->irq, NULL);
+ set_irq_data(tc6393xb->irq, NULL);
+
+ irq_base = tc6393xb->irq_base;
+
+ for (irq = irq_base; irq < irq_base + TC6393XB_NR_IRQS; irq++) {
+ set_irq_flags(irq, 0);
+ set_irq_chip(irq, NULL);
+ set_irq_chip_data(irq, NULL);
+ }
+}
+
+/*--------------------------------------------------------------------------*/
+
+static int tc6393xb_hw_init(struct platform_device *dev)
+{
+ struct tc6393xb_platform_data *tcpd = dev->dev.platform_data;
+ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
+ int i;
+
+ iowrite8(tc6393xb->suspend_state.fer, tc6393xb->scr + SCR_FER);
+ iowrite16(tcpd->scr_pll2cr, tc6393xb->scr + SCR_PLL2CR);
+ iowrite16(tc6393xb->suspend_state.ccr, tc6393xb->scr + SCR_CCR);
+ iowrite16(SCR_MCR_RDY_OPENDRAIN | SCR_MCR_RDY_UNK | SCR_MCR_RDY_EN |
+ SCR_MCR_INT_OPENDRAIN | SCR_MCR_INT_UNK | SCR_MCR_INT_EN |
+ BIT(15), tc6393xb->scr + SCR_MCR);
+ iowrite16(tcpd->scr_gper, tc6393xb->scr + SCR_GPER);
+ iowrite8(0, tc6393xb->scr + SCR_IRR);
+ iowrite8(0xbf, tc6393xb->scr + SCR_IMR);
+
+ for (i = 0; i < 3; i++) {
+ iowrite8(tc6393xb->suspend_state.gpo_dsr[i],
+ tc6393xb->scr + SCR_GPO_DSR(i));
+ iowrite8(tc6393xb->suspend_state.gpo_doecr[i],
+ tc6393xb->scr + SCR_GPO_DOECR(i));
+ iowrite8(tc6393xb->suspend_state.gpi_bcr[i],
+ tc6393xb->scr + SCR_GPI_BCR(i));
+ }
+
+ return 0;
+}
+
+static int __devinit tc6393xb_probe(struct platform_device *dev)
+{
+ struct tc6393xb_platform_data *tcpd = dev->dev.platform_data;
+ struct tc6393xb *tc6393xb;
+ struct resource *iomem;
+ struct resource *rscr;
+ int retval, temp;
+ int i;
+
+ iomem = platform_get_resource(dev, IORESOURCE_MEM, 0);
+ if (!iomem)
+ return -EINVAL;
+
+ tc6393xb = kzalloc(sizeof *tc6393xb, GFP_KERNEL);
+ if (!tc6393xb) {
+ retval = -ENOMEM;
+ goto err_kzalloc;
+ }
+
+ spin_lock_init(&tc6393xb->lock);
+
+ platform_set_drvdata(dev, tc6393xb);
+ tc6393xb->iomem = iomem;
+ tc6393xb->irq = platform_get_irq(dev, 0);
+ tc6393xb->irq_base = tcpd->irq_base;
+
+ tc6393xb->clk = clk_get(&dev->dev, "GPIO27_CLK" /* "CK3P6MI" */);
+ if (IS_ERR(tc6393xb->clk)) {
+ retval = PTR_ERR(tc6393xb->clk);
+ goto err_clk_get;
+ }
+
+ rscr = &tc6393xb->rscr;
+ rscr->name = "tc6393xb-core";
+ rscr->start = iomem->start;
+ rscr->end = iomem->start + 0xff;
+ rscr->flags = IORESOURCE_MEM;
+
+ retval = request_resource(iomem, rscr);
+ if (retval)
+ goto err_request_scr;
+
+ tc6393xb->scr = ioremap(rscr->start, rscr->end - rscr->start + 1);
+ if (!tc6393xb->scr) {
+ retval = -ENOMEM;
+ goto err_ioremap;
+ }
+
+ retval = clk_enable(tc6393xb->clk);
+ if (retval)
+ goto err_clk_enable;
+
+ retval = tcpd->enable(dev);
+ if (retval)
+ goto err_enable;
+
+ tc6393xb->suspend_state.fer = 0;
+ for (i = 0; i < 3; i++) {
+ tc6393xb->suspend_state.gpo_dsr[i] =
+ (tcpd->scr_gpo_dsr >> (8 * i)) & 0xff;
+ tc6393xb->suspend_state.gpo_doecr[i] =
+ (tcpd->scr_gpo_doecr >> (8 * i)) & 0xff;
+ }
+ /*
+ * It may be necessary to change this back to
+ * platform-dependant code
+ */
+ tc6393xb->suspend_state.ccr = SCR_CCR_UNK1 |
+ SCR_CCR_HCLK_48;
+
+ retval = tc6393xb_hw_init(dev);
+ if (retval)
+ goto err_hw_init;
+
+ printk(KERN_INFO "Toshiba tc6393xb revision %d at 0x%08lx, irq %d\n",
+ ioread8(tc6393xb->scr + SCR_REVID),
+ (unsigned long) iomem->start, tc6393xb->irq);
+
+ tc6393xb->gpio.base = -1;
+
+ if (tcpd->gpio_base >= 0) {
+ retval = tc6393xb_register_gpio(tc6393xb, tcpd->gpio_base);
+ if (retval)
+ goto err_gpio_add;
+ }
+
+ if (tc6393xb->irq)
+ tc6393xb_attach_irq(dev);
+
+ tc6393xb_cells[TC6393XB_CELL_NAND].driver_data = tcpd->nand_data;
+
+ retval = mfd_add_devices(dev,
+ tc6393xb_cells, ARRAY_SIZE(tc6393xb_cells),
+ iomem, tcpd->irq_base);
+
+ return 0;
+
+ if (tc6393xb->irq)
+ tc6393xb_detach_irq(dev);
+
+err_gpio_add:
+ if (tc6393xb->gpio.base != -1)
+ temp = gpiochip_remove(&tc6393xb->gpio);
+err_hw_init:
+ tcpd->disable(dev);
+err_clk_enable:
+ clk_disable(tc6393xb->clk);
+err_enable:
+ iounmap(tc6393xb->scr);
+err_ioremap:
+ release_resource(&tc6393xb->rscr);
+err_request_scr:
+ clk_put(tc6393xb->clk);
+err_clk_get:
+ kfree(tc6393xb);
+err_kzalloc:
+ return retval;
+}
+
+static int __devexit tc6393xb_remove(struct platform_device *dev)
+{
+ struct tc6393xb_platform_data *tcpd = dev->dev.platform_data;
+ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
+ int ret;
+
+ mfd_remove_devices(dev);
+
+ if (tc6393xb->irq)
+ tc6393xb_detach_irq(dev);
+
+ if (tc6393xb->gpio.base != -1) {
+ ret = gpiochip_remove(&tc6393xb->gpio);
+ if (ret) {
+ dev_err(&dev->dev, "Can't remove gpio chip: %d\n", ret);
+ return ret;
+ }
+ }
+
+ ret = tcpd->disable(dev);
+
+ clk_disable(tc6393xb->clk);
+
+ iounmap(tc6393xb->scr);
+
+ release_resource(&tc6393xb->rscr);
+
+ platform_set_drvdata(dev, NULL);
+
+ clk_put(tc6393xb->clk);
+
+ kfree(tc6393xb);
+
+ return ret;
+}
+
+#ifdef CONFIG_PM
+static int tc6393xb_suspend(struct platform_device *dev, pm_message_t state)
+{
+ struct tc6393xb_platform_data *tcpd = dev->dev.platform_data;
+ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
+ int i;
+
+
+ tc6393xb->suspend_state.ccr = ioread16(tc6393xb->scr + SCR_CCR);
+ tc6393xb->suspend_state.fer = ioread8(tc6393xb->scr + SCR_FER);
+
+ for (i = 0; i < 3; i++) {
+ tc6393xb->suspend_state.gpo_dsr[i] =
+ ioread8(tc6393xb->scr + SCR_GPO_DSR(i));
+ tc6393xb->suspend_state.gpo_doecr[i] =
+ ioread8(tc6393xb->scr + SCR_GPO_DOECR(i));
+ tc6393xb->suspend_state.gpi_bcr[i] =
+ ioread8(tc6393xb->scr + SCR_GPI_BCR(i));
+ }
+
+ return tcpd->suspend(dev);
+}
+
+static int tc6393xb_resume(struct platform_device *dev)
+{
+ struct tc6393xb_platform_data *tcpd = dev->dev.platform_data;
+ int ret = tcpd->resume(dev);
+
+ if (ret)
+ return ret;
+
+ return tc6393xb_hw_init(dev);
+}
+#else
+#define tc6393xb_suspend NULL
+#define tc6393xb_resume NULL
+#endif
+
+static struct platform_driver tc6393xb_driver = {
+ .probe = tc6393xb_probe,
+ .remove = __devexit_p(tc6393xb_remove),
+ .suspend = tc6393xb_suspend,
+ .resume = tc6393xb_resume,
+
+ .driver = {
+ .name = "tc6393xb",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init tc6393xb_init(void)
+{
+ return platform_driver_register(&tc6393xb_driver);
+}
+
+static void __exit tc6393xb_exit(void)
+{
+ platform_driver_unregister(&tc6393xb_driver);
+}
+
+subsys_initcall(tc6393xb_init);
+module_exit(tc6393xb_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Ian Molton, Dmitry Baryshkov and Dirk Opfer");
+MODULE_DESCRIPTION("tc6393xb Toshiba Mobile IO Controller");
+MODULE_ALIAS("platform:tc6393xb");
*/
extern unsigned int get_memclk_frequency_10khz(void);
+/*
+ * register GPIO as reset generator
+ */
+extern int init_gpio_reset(int gpio);
+
#endif
#if defined(CONFIG_MACH_ARMCORE) && defined(CONFIG_PCI)
#define NR_IRQS (IRQ_LOCOMO_SPI_TEND + 1)
#elif defined(CONFIG_ARCH_LUBBOCK) || \
defined(CONFIG_MACH_LOGICPD_PXA270) || \
+ defined(CONFIG_MACH_TOSA) || \
defined(CONFIG_MACH_MAINSTONE) || \
defined(CONFIG_MACH_PCM027) || \
defined(CONFIG_MACH_MAGICIAN)
}
-static inline void arch_reset(char mode)
-{
- if (cpu_is_pxa2xx())
- RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
-
- if (mode == 's') {
- /* Jump into ROM at address 0 */
- cpu_reset(0);
- } else {
- /* Initialize the watchdog and let it fire */
- OWER = OWER_WME;
- OSSR = OSSR_M3;
- OSMR3 = OSCR + 368640; /* ... in 100 ms */
- }
-}
-
+void arch_reset(char mode);
*/
#define TOSA_SCOOP_GPIO_BASE NR_BUILTIN_GPIO
#define TOSA_SCOOP_PXA_VCORE1 SCOOP_GPCR_PA11
-#define TOSA_SCOOP_TC6393_REST_IN SCOOP_GPCR_PA12
+#define TOSA_GPIO_TC6393XB_REST_IN (TOSA_SCOOP_GPIO_BASE + 1)
#define TOSA_GPIO_IR_POWERDWN (TOSA_SCOOP_GPIO_BASE + 2)
#define TOSA_GPIO_SD_WP (TOSA_SCOOP_GPIO_BASE + 3)
#define TOSA_GPIO_PWR_ON (TOSA_SCOOP_GPIO_BASE + 4)
#define TOSA_SCOOP_AUD_PWR_ON SCOOP_GPCR_PA16
-#define TOSA_SCOOP_BT_RESET SCOOP_GPCR_PA17
-#define TOSA_SCOOP_BT_PWR_EN SCOOP_GPCR_PA18
+#define TOSA_GPIO_BT_RESET (TOSA_SCOOP_GPIO_BASE + 6)
+#define TOSA_GPIO_BT_PWR_EN (TOSA_SCOOP_GPIO_BASE + 7)
#define TOSA_SCOOP_AC_IN_OL SCOOP_GPCR_PA19
/* GPIO Direction 1 : output mode / 0:input mode */
-#define TOSA_SCOOP_IO_DIR ( TOSA_SCOOP_PXA_VCORE1 | TOSA_SCOOP_TC6393_REST_IN | \
- TOSA_SCOOP_AUD_PWR_ON |\
- TOSA_SCOOP_BT_RESET | TOSA_SCOOP_BT_PWR_EN )
-/* GPIO out put level when init 1: Hi */
-#define TOSA_SCOOP_IO_OUT ( TOSA_SCOOP_TC6393_REST_IN )
+#define TOSA_SCOOP_IO_DIR (TOSA_SCOOP_PXA_VCORE1 | \
+ TOSA_SCOOP_AUD_PWR_ON)
/*
* SCOOP2 jacket GPIOs
#define TOSA_GPIO_NOTE_LED (TOSA_SCOOP_JC_GPIO_BASE + 1)
#define TOSA_GPIO_CHRG_ERR_LED (TOSA_SCOOP_JC_GPIO_BASE + 2)
#define TOSA_GPIO_USB_PULLUP (TOSA_SCOOP_JC_GPIO_BASE + 3)
-#define TOSA_SCOOP_JC_TC6393_SUSPEND SCOOP_GPCR_PA15
-#define TOSA_SCOOP_JC_TC3693_L3V_ON SCOOP_GPCR_PA16
+#define TOSA_GPIO_TC6393XB_SUSPEND (TOSA_SCOOP_JC_GPIO_BASE + 4)
+#define TOSA_GPIO_TC6393XB_L3V_ON (TOSA_SCOOP_JC_GPIO_BASE + 5)
#define TOSA_SCOOP_JC_WLAN_DETECT SCOOP_GPCR_PA17
#define TOSA_GPIO_WLAN_LED (TOSA_SCOOP_JC_GPIO_BASE + 7)
#define TOSA_SCOOP_JC_CARD_LIMIT_SEL SCOOP_GPCR_PA19
/* GPIO Direction 1 : output mode / 0:input mode */
-#define TOSA_SCOOP_JC_IO_DIR ( \
- TOSA_SCOOP_JC_TC6393_SUSPEND | TOSA_SCOOP_JC_TC3693_L3V_ON | \
- TOSA_SCOOP_JC_CARD_LIMIT_SEL )
+#define TOSA_SCOOP_JC_IO_DIR (TOSA_SCOOP_JC_CARD_LIMIT_SEL)
+
+/*
+ * TC6393XB GPIOs
+ */
+#define TOSA_TC6393XB_GPIO_BASE (NR_BUILTIN_GPIO + 2 * 12)
+#define TOSA_TC6393XB_GPIO(i) (TOSA_TC6393XB_GPIO_BASE + (i))
+#define TOSA_TC6393XB_GPIO_BIT(gpio) (1 << (gpio - TOSA_TC6393XB_GPIO_BASE))
+
+#define TOSA_GPIO_TG_ON (TOSA_TC6393XB_GPIO_BASE + 0)
+#define TOSA_GPIO_L_MUTE (TOSA_TC6393XB_GPIO_BASE + 1)
+#define TOSA_GPIO_BL_C20MA (TOSA_TC6393XB_GPIO_BASE + 3)
+#define TOSA_GPIO_CARD_VCC_ON (TOSA_TC6393XB_GPIO_BASE + 4)
+#define TOSA_GPIO_CHARGE_OFF (TOSA_TC6393XB_GPIO_BASE + 6)
+#define TOSA_GPIO_CHARGE_OFF_JC (TOSA_TC6393XB_GPIO_BASE + 7)
+#define TOSA_GPIO_BAT0_V_ON (TOSA_TC6393XB_GPIO_BASE + 9)
+#define TOSA_GPIO_BAT1_V_ON (TOSA_TC6393XB_GPIO_BASE + 10)
+#define TOSA_GPIO_BU_CHRG_ON (TOSA_TC6393XB_GPIO_BASE + 11)
+#define TOSA_GPIO_BAT_SW_ON (TOSA_TC6393XB_GPIO_BASE + 12)
+#define TOSA_GPIO_BAT0_TH_ON (TOSA_TC6393XB_GPIO_BASE + 14)
+#define TOSA_GPIO_BAT1_TH_ON (TOSA_TC6393XB_GPIO_BASE + 15)
/*
* Timing Generator
#define TOSA_GPIO_JACKET_DETECT (7)
#define TOSA_GPIO_nSD_DETECT (9)
#define TOSA_GPIO_nSD_INT (10)
-#define TOSA_GPIO_TC6393_CLK (11)
+#define TOSA_GPIO_TC6393XB_CLK (11)
#define TOSA_GPIO_BAT1_CRG (12)
#define TOSA_GPIO_CF_CD (13)
#define TOSA_GPIO_BAT0_CRG (14)
-#define TOSA_GPIO_TC6393_INT (15)
+#define TOSA_GPIO_TC6393XB_INT (15)
#define TOSA_GPIO_BAT0_LOW (17)
-#define TOSA_GPIO_TC6393_RDY (18)
+#define TOSA_GPIO_TC6393XB_RDY (18)
#define TOSA_GPIO_ON_RESET (19)
#define TOSA_GPIO_EAR_IN (20)
#define TOSA_GPIO_CF_IRQ (21) /* CF slot0 Ready */
#define TOSA_GPIO_TP_INT (32) /* Touch Panel pen down interrupt */
#define TOSA_GPIO_JC_CF_IRQ (36) /* CF slot1 Ready */
#define TOSA_GPIO_BAT_LOCKED (38) /* Battery locked */
+#define TOSA_GPIO_IRDA_TX (47)
#define TOSA_GPIO_TG_SPI_SCLK (81)
#define TOSA_GPIO_TG_SPI_CS (82)
#define TOSA_GPIO_TG_SPI_MOSI (83)
#define TOSA_IRQ_GPIO_BAT1_CRG IRQ_GPIO(TOSA_GPIO_BAT1_CRG)
#define TOSA_IRQ_GPIO_CF_CD IRQ_GPIO(TOSA_GPIO_CF_CD)
#define TOSA_IRQ_GPIO_BAT0_CRG IRQ_GPIO(TOSA_GPIO_BAT0_CRG)
-#define TOSA_IRQ_GPIO_TC6393_INT IRQ_GPIO(TOSA_GPIO_TC6393_INT)
+#define TOSA_IRQ_GPIO_TC6393XB_INT IRQ_GPIO(TOSA_GPIO_TC6393XB_INT)
#define TOSA_IRQ_GPIO_BAT0_LOW IRQ_GPIO(TOSA_GPIO_BAT0_LOW)
#define TOSA_IRQ_GPIO_EAR_IN IRQ_GPIO(TOSA_GPIO_EAR_IN)
#define TOSA_IRQ_GPIO_CF_IRQ IRQ_GPIO(TOSA_GPIO_CF_IRQ)
--- /dev/null
+/*
+ * Tosa bluetooth built-in chip control.
+ *
+ * Later it may be shared with some other platforms.
+ *
+ * Copyright (c) 2008 Dmitry Baryshkov
+ *
+ * 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.
+ *
+ */
+#ifndef TOSA_BT_H
+#define TOSA_BT_H
+
+struct tosa_bt_data {
+ int gpio_pwr;
+ int gpio_reset;
+};
+
+#endif
+
--- /dev/null
+#ifndef MFD_CORE_H
+#define MFD_CORE_H
+/*
+ * drivers/mfd/mfd-core.h
+ *
+ * core MFD support
+ * Copyright (c) 2006 Ian Molton
+ * Copyright (c) 2007 Dmitry Baryshkov
+ *
+ * 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/platform_device.h>
+
+/*
+ * This struct describes the MFD part ("cell").
+ * After registration the copy of this structure will become the platform data
+ * of the resulting platform_device
+ */
+struct mfd_cell {
+ const char *name;
+
+ int (*enable)(struct platform_device *dev);
+ int (*disable)(struct platform_device *dev);
+ int (*suspend)(struct platform_device *dev);
+ int (*resume)(struct platform_device *dev);
+
+ void *driver_data; /* driver-specific data */
+
+ /*
+ * This resources can be specified relatievly to the parent device.
+ * For accessing device you should use resources from device
+ */
+ int num_resources;
+ const struct resource *resources;
+};
+
+static inline struct mfd_cell *
+mfd_get_cell(struct platform_device *pdev)
+{
+ return (struct mfd_cell *)pdev->dev.platform_data;
+}
+
+extern int mfd_add_devices(
+ struct platform_device *parent,
+ const struct mfd_cell *cells, int n_devs,
+ struct resource *mem_base,
+ int irq_base);
+
+extern void mfd_remove_devices(struct platform_device *parent);
+
+#endif
--- /dev/null
+/*
+ * Toshiba TC6393XB SoC support
+ *
+ * Copyright(c) 2005-2006 Chris Humbert
+ * Copyright(c) 2005 Dirk Opfer
+ * Copyright(c) 2005 Ian Molton <spyro@f2s.com>
+ * Copyright(c) 2007 Dmitry Baryshkov
+ *
+ * Based on code written by Sharp/Lineo for 2.4 kernels
+ * Based on locomo.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.
+ */
+
+#ifndef TC6393XB_H
+#define TC6393XB_H
+
+/* Also one should provide the CK3P6MI clock */
+struct tc6393xb_platform_data {
+ u16 scr_pll2cr; /* PLL2 Control */
+ u16 scr_gper; /* GP Enable */
+ u32 scr_gpo_doecr; /* GPO Data OE Control */
+ u32 scr_gpo_dsr; /* GPO Data Set */
+
+ int (*enable)(struct platform_device *dev);
+ int (*disable)(struct platform_device *dev);
+ int (*suspend)(struct platform_device *dev);
+ int (*resume)(struct platform_device *dev);
+
+ int irq_base; /* a base for cascaded irq */
+ int gpio_base;
+
+ struct tmio_nand_data *nand_data;
+};
+
+/*
+ * Relative to irq_base
+ */
+#define IRQ_TC6393_NAND 0
+#define IRQ_TC6393_MMC 1
+#define IRQ_TC6393_OHCI 2
+#define IRQ_TC6393_SERIAL 3
+#define IRQ_TC6393_FB 4
+
+#define TC6393XB_NR_IRQS 8
+
+#endif
--- /dev/null
+#ifndef MFD_TMIO_H
+#define MFD_TMIO_H
+
+/*
+ * data for the NAND controller
+ */
+struct tmio_nand_data {
+ struct nand_bbt_descr *badblock_pattern;
+ struct mtd_partition *partition;
+ unsigned int num_partitions;
+};
+
+#define TMIO_NAND_CONFIG "tmio-nand-config"
+#define TMIO_NAND_CONTROL "tmio-nand-control"
+#define TMIO_NAND_IRQ "tmio-nand"
+
+#endif
config SND_PXA2XX_SOC_TOSA
tristate "SoC AC97 Audio support for Tosa"
depends on SND_PXA2XX_SOC && MACH_TOSA
+ depends on MFD_TC6393XB
select SND_PXA2XX_SOC_AC97
select SND_SOC_WM9712
help
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/device.h>
+#include <linux/gpio.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc-dapm.h>
#include <asm/mach-types.h>
-#include <asm/hardware/tmio.h>
+#include <asm/arch/tosa.h>
#include <asm/arch/pxa-regs.h>
#include <asm/arch/hardware.h>
#include <asm/arch/audio.h>
static int tosa_hp_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
- if (SND_SOC_DAPM_EVENT_ON(event))
- set_tc6393_gpio(&tc6393_device.dev,TOSA_TC6393_L_MUTE);
- else
- reset_tc6393_gpio(&tc6393_device.dev,TOSA_TC6393_L_MUTE);
+ gpio_set_value(TOSA_GPIO_L_MUTE, SND_SOC_DAPM_EVENT_ON(event) ? 1 :0);
return 0;
}
if (!machine_is_tosa())
return -ENODEV;
+ ret = gpio_request(TOSA_GPIO_L_MUTE, "Headphone Jack");
+ if (ret)
+ return ret;
+ gpio_direction_output(TOSA_GPIO_L_MUTE, 0);
+
tosa_snd_device = platform_device_alloc("soc-audio", -1);
- if (!tosa_snd_device)
- return -ENOMEM;
+ if (!tosa_snd_device) {
+ ret = -ENOMEM;
+ goto err_alloc;
+ }
platform_set_drvdata(tosa_snd_device, &tosa_snd_devdata);
tosa_snd_devdata.dev = &tosa_snd_device->dev;
ret = platform_device_add(tosa_snd_device);
- if (ret)
- platform_device_put(tosa_snd_device);
+ if (!ret)
+ return 0;
+
+ platform_device_put(tosa_snd_device);
+
+err_alloc:
+ gpio_free(TOSA_GPIO_L_MUTE);
return ret;
}
static void __exit tosa_exit(void)
{
platform_device_unregister(tosa_snd_device);
+ gpio_free(TOSA_GPIO_L_MUTE);
}
module_init(tosa_init);
projects / linux-2.6-block.git / commitdiff