Messages in this thread Patch in this message | | | From | Haojian Zhuang <> | Subject | [PATCH 08/14] mfd: use platform_data in max8925 | Date | Wed, 20 Apr 2011 19:54:26 +0800 |
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Use platform_data to pass parameters to client driver.
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com> --- drivers/mfd/max8925-core.c | 287 +++++++++++++++++++++++++------------------- 1 files changed, 162 insertions(+), 125 deletions(-)
diff --git a/drivers/mfd/max8925-core.c b/drivers/mfd/max8925-core.c index 58cc5fd..a974711 100644 --- a/drivers/mfd/max8925-core.c +++ b/drivers/mfd/max8925-core.c @@ -17,102 +17,88 @@ #include <linux/platform_device.h> #include <linux/mfd/core.h> #include <linux/mfd/max8925.h> +#include <linux/regulator/machine.h> -static struct resource backlight_resources[] = { - { - .name = "max8925-backlight", - .start = MAX8925_WLED_MODE_CNTL, - .end = MAX8925_WLED_CNTL, - .flags = IORESOURCE_IO, - }, +static struct resource bk_resources[] __devinitdata = { + {0, 0, "max8925-backlight", IORESOURCE_IO,}, }; -static struct mfd_cell backlight_devs[] = { - { - .name = "max8925-backlight", - .num_resources = 1, - .resources = &backlight_resources[0], - .id = -1, - }, +static struct resource touch_resources[] __devinitdata = { + {MAX8925_IRQ_TSC_STICK, MAX8925_IRQ_TSC_STICK, "touch stick", + IORESOURCE_IRQ,}, + {MAX8925_IRQ_TSC_NSTICK, MAX8925_IRQ_TSC_NSTICK, "touch nstick", + IORESOURCE_IRQ,}, }; -static struct resource touch_resources[] = { - { - .name = "max8925-tsc", - .start = MAX8925_TSC_IRQ, - .end = MAX8925_ADC_RES_END, - .flags = IORESOURCE_IO, - }, +static struct resource power_resources[] __devinitdata = { + {MAX8925_IRQ_VCHG_DC_OVP, MAX8925_IRQ_VCHG_DC_OVP, \ + "dc overvoltage", IORESOURCE_IRQ,}, + {MAX8925_IRQ_VCHG_DC_F, MAX8925_IRQ_VCHG_DC_F, \ + "dc falling", IORESOURCE_IRQ,}, + {MAX8925_IRQ_VCHG_DC_R, MAX8925_IRQ_VCHG_DC_R, \ + "dc rising", IORESOURCE_IRQ,}, + {MAX8925_IRQ_VCHG_USB_OVP, MAX8925_IRQ_VCHG_USB_OVP, \ + "usb overvoltage", IORESOURCE_IRQ,}, + {MAX8925_IRQ_VCHG_USB_F, MAX8925_IRQ_VCHG_USB_F, \ + "usb falling", IORESOURCE_IRQ,}, + {MAX8925_IRQ_VCHG_USB_R, MAX8925_IRQ_VCHG_USB_R, \ + "usb rising", IORESOURCE_IRQ,}, + {MAX8925_IRQ_VCHG_THM_OK_R, MAX8925_IRQ_VCHG_THM_OK_R, \ + "bat temp valid", IORESOURCE_IRQ,}, + {MAX8925_IRQ_VCHG_THM_OK_F, MAX8925_IRQ_VCHG_THM_OK_F, \ + "bat temp invalid", IORESOURCE_IRQ,}, + {MAX8925_IRQ_VCHG_SYSLOW_F, MAX8925_IRQ_VCHG_SYSLOW_F, \ + "VSYSLOW falling", IORESOURCE_IRQ,}, + {MAX8925_IRQ_VCHG_SYSLOW_R, MAX8925_IRQ_VCHG_SYSLOW_R, \ + "VSYSLOW rising", IORESOURCE_IRQ,}, + {MAX8925_IRQ_VCHG_RST, MAX8925_IRQ_VCHG_RST, \ + "charger restart", IORESOURCE_IRQ,}, + {MAX8925_IRQ_VCHG_DONE, MAX8925_IRQ_VCHG_DONE, \ + "charger done", IORESOURCE_IRQ,}, + {MAX8925_IRQ_VCHG_TOPOFF, MAX8925_IRQ_VCHG_TOPOFF, \ + "charger topoff", IORESOURCE_IRQ,}, + {MAX8925_IRQ_VCHG_TMR_FAULT, MAX8925_IRQ_VCHG_TMR_FAULT, \ + "charger expire", IORESOURCE_IRQ,}, }; -static struct mfd_cell touch_devs[] = { - { - .name = "max8925-touch", - .num_resources = 1, - .resources = &touch_resources[0], - .id = -1, - }, +static struct resource rtc_resources[] __devinitdata = { + {MAX8925_IRQ_RTC_ALARM0, MAX8925_IRQ_RTC_ALARM0, "rtc-alarm0", + IORESOURCE_IRQ,}, + {MAX8925_IRQ_RTC_ALARM1, MAX8925_IRQ_RTC_ALARM1, "rtc-alarm1", + IORESOURCE_IRQ,}, }; -static struct resource power_supply_resources[] = { - { - .name = "max8925-power", - .start = MAX8925_CHG_IRQ1, - .end = MAX8925_CHG_IRQ1_MASK, - .flags = IORESOURCE_IO, - }, +static struct resource onkey_resources[] __devinitdata = { + {MAX8925_IRQ_GPM_SW_R, MAX8925_IRQ_GPM_SW_R, "onkey R", + IORESOURCE_IRQ,}, + {MAX8925_IRQ_GPM_SW_F, MAX8925_IRQ_GPM_SW_F, "onkey F", + IORESOURCE_IRQ,}, }; -static struct mfd_cell power_devs[] = { - { - .name = "max8925-power", - .num_resources = 1, - .resources = &power_supply_resources[0], - .id = -1, - }, +static struct mfd_cell bk_devs[] = { + {"max8925-backlight", -1,}, }; -static struct resource rtc_resources[] = { - { - .name = "max8925-rtc", - .start = MAX8925_RTC_IRQ, - .end = MAX8925_RTC_IRQ_MASK, - .flags = IORESOURCE_IO, - }, +static struct mfd_cell touch_devs[] = { + {"max8925-touch", -1,}, }; -static struct mfd_cell rtc_devs[] = { - { - .name = "max8925-rtc", - .num_resources = 1, - .resources = &rtc_resources[0], - .id = -1, - }, +static struct mfd_cell power_devs[] = { + {"max8925-power", -1,}, }; -static struct resource onkey_resources[] = { - { - .name = "max8925-onkey", - .start = MAX8925_IRQ_GPM_SW_R, - .end = MAX8925_IRQ_GPM_SW_R, - .flags = IORESOURCE_IRQ, - }, { - .name = "max8925-onkey", - .start = MAX8925_IRQ_GPM_SW_F, - .end = MAX8925_IRQ_GPM_SW_F, - .flags = IORESOURCE_IRQ, - }, +static struct mfd_cell rtc_devs[] = { + {"max8925-rtc", -1,}, }; static struct mfd_cell onkey_devs[] = { - { - .name = "max8925-onkey", - .num_resources = 2, - .resources = &onkey_resources[0], - .id = -1, - }, + {"max8925-onkey", -1,}, }; +static struct max8925_backlight_pdata bk_pdata; +static struct max8925_touch_pdata touch_pdata; +static struct max8925_power_pdata power_pdata; + #define MAX8925_REG_RESOURCE(_start, _end) \ { \ .start = MAX8925_##_start, \ @@ -588,6 +574,101 @@ tsc_irq: return 0; } +static void __devinit device_bk_init(struct max8925_chip *chip, + struct i2c_client *i2c, + struct max8925_platform_data *pdata) +{ + int ret; + + if ((pdata == NULL) || (pdata->backlight == NULL)) + return; + + memcpy(&bk_pdata, pdata->backlight, + sizeof(struct max8925_backlight_pdata)); + bk_devs[0].platform_data = &bk_pdata; + bk_devs[0].pdata_size = sizeof(bk_pdata); + + bk_devs[0].num_resources = 1; + bk_devs[0].resources = &bk_resources[0]; + ret = mfd_add_devices(chip->dev, 0, &bk_devs[0], 1, + &bk_resources[0], 0); + if (ret < 0) + dev_err(chip->dev, "Failed to add backlight subdev\n"); +} + +static void __devinit device_rtc_init(struct max8925_chip *chip, + struct i2c_client *i2c, + struct max8925_platform_data *pdata) +{ + int ret; + + rtc_devs[0].num_resources = ARRAY_SIZE(rtc_resources); + rtc_devs[0].resources = &rtc_resources[0]; + ret = mfd_add_devices(chip->dev, 0, &rtc_devs[0], 1, + &rtc_resources[0], chip->irq_base); + if (ret < 0) + dev_err(chip->dev, "Failed to add rtc subdev\n"); +} + +static void __devinit device_touch_init(struct max8925_chip *chip, + struct i2c_client *i2c, + struct max8925_platform_data *pdata) +{ + int ret; + + if ((pdata == NULL) || (pdata->touch == NULL)) + return; + + memcpy(&touch_pdata, pdata->touch, + sizeof(struct max8925_touch_pdata)); + touch_devs[0].platform_data = &touch_pdata; + touch_devs[0].pdata_size = sizeof(touch_pdata); + touch_devs[0].num_resources = ARRAY_SIZE(touch_resources); + touch_devs[0].resources = &touch_resources[0]; + ret = mfd_add_devices(chip->dev, 0, &touch_devs[0], + ARRAY_SIZE(touch_devs), + &touch_resources[0], chip->irq_base); + if (ret < 0) + dev_err(chip->dev, "Failed to add touch subdev\n"); +} + +static void __devinit device_power_init(struct max8925_chip *chip, + struct i2c_client *i2c, + struct max8925_platform_data *pdata) +{ + int ret; + + if ((pdata == NULL) || (pdata->power == NULL)) + return; + + memcpy(&power_pdata, pdata->power, + sizeof(struct max8925_power_pdata)); + power_devs[0].platform_data = &power_pdata; + power_devs[0].pdata_size = sizeof(power_pdata); + power_devs[0].num_resources = ARRAY_SIZE(power_resources); + power_devs[0].resources = &power_resources[0]; + ret = mfd_add_devices(chip->dev, 0, &power_devs[0], + ARRAY_SIZE(power_devs), + &power_resources[0], chip->irq_base); + if (ret < 0) + dev_err(chip->dev, "Failed to add power supply subdev\n"); +} + +static void __devinit device_onkey_init(struct max8925_chip *chip, + struct i2c_client *i2c, + struct max8925_platform_data *pdata) +{ + int ret; + + onkey_devs[0].num_resources = ARRAY_SIZE(onkey_resources); + onkey_devs[0].resources = &onkey_resources[0]; + ret = mfd_add_devices(chip->dev, 0, &onkey_devs[0], + ARRAY_SIZE(onkey_devs), + &onkey_resources[0], chip->irq_base); + if (ret < 0) + dev_err(chip->dev, "Failed to add onkey subdev\n"); +} + int __devinit max8925_device_init(struct max8925_chip *chip, struct max8925_platform_data *pdata) { @@ -604,28 +685,18 @@ int __devinit max8925_device_init(struct max8925_chip *chip, do { ret = max8925_reg_read(chip->adc, MAX8925_TSC_IRQ); } while (ret & MAX8925_NREF_OK); - /* enaable ADC scheduler, interval is 1 second */ + /* enable ADC scheduler, interval is 1 second */ max8925_set_bits(chip->adc, MAX8925_ADC_SCHED, 3, 2); } /* enable Momentary Power Loss */ max8925_set_bits(chip->rtc, MAX8925_MPL_CNTL, 1 << 4, 1 << 4); - ret = mfd_add_devices(chip->dev, 0, &rtc_devs[0], - ARRAY_SIZE(rtc_devs), - &rtc_resources[0], 0); - if (ret < 0) { - dev_err(chip->dev, "Failed to add rtc subdev\n"); - goto out; - } - - ret = mfd_add_devices(chip->dev, 0, &onkey_devs[0], - ARRAY_SIZE(onkey_devs), - &onkey_resources[0], 0); - if (ret < 0) { - dev_err(chip->dev, "Failed to add onkey subdev\n"); - goto out_dev; - } + device_bk_init(chip, chip->i2c, pdata); + device_rtc_init(chip, chip->rtc, pdata); + device_touch_init(chip, chip->adc, pdata); + device_power_init(chip, chip->adc, pdata); + device_onkey_init(chip, chip->i2c, pdata); if (pdata && pdata->regulator[0]) { ret = mfd_add_devices(chip->dev, 0, ®ulator_devs[0], @@ -637,42 +708,8 @@ int __devinit max8925_device_init(struct max8925_chip *chip, } } - if (pdata && pdata->backlight) { - ret = mfd_add_devices(chip->dev, 0, &backlight_devs[0], - ARRAY_SIZE(backlight_devs), - &backlight_resources[0], 0); - if (ret < 0) { - dev_err(chip->dev, "Failed to add backlight subdev\n"); - goto out_dev; - } - } - - if (pdata && pdata->power) { - ret = mfd_add_devices(chip->dev, 0, &power_devs[0], - ARRAY_SIZE(power_devs), - &power_supply_resources[0], 0); - if (ret < 0) { - dev_err(chip->dev, "Failed to add power supply " - "subdev\n"); - goto out_dev; - } - } - - if (pdata && pdata->touch) { - ret = mfd_add_devices(chip->dev, 0, &touch_devs[0], - ARRAY_SIZE(touch_devs), - &touch_resources[0], 0); - if (ret < 0) { - dev_err(chip->dev, "Failed to add touch subdev\n"); - goto out_dev; - } - } - - return 0; out_dev: - mfd_remove_devices(chip->dev); -out: - return ret; + return 0; } void __devexit max8925_device_exit(struct max8925_chip *chip) -- 1.5.6.5
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