diff options
Diffstat (limited to 'drivers/mfd/sprd-sc27xx-spi.c')
| -rw-r--r-- | drivers/mfd/sprd-sc27xx-spi.c | 137 |
1 files changed, 56 insertions, 81 deletions
diff --git a/drivers/mfd/sprd-sc27xx-spi.c b/drivers/mfd/sprd-sc27xx-spi.c index 33336cde4724..d6b4350779e6 100644 --- a/drivers/mfd/sprd-sc27xx-spi.c +++ b/drivers/mfd/sprd-sc27xx-spi.c @@ -7,7 +7,9 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/mfd/core.h> -#include <linux/of_device.h> +#include <linux/mfd/sc27xx-pmic.h> +#include <linux/of.h> +#include <linux/of_platform.h> #include <linux/regmap.h> #include <linux/spi/spi.h> #include <uapi/linux/usb/charger.h> @@ -16,6 +18,9 @@ #define SPRD_PMIC_INT_RAW_STATUS 0x4 #define SPRD_PMIC_INT_EN 0x8 +#define SPRD_SC2730_IRQ_BASE 0x80 +#define SPRD_SC2730_IRQ_NUMS 10 +#define SPRD_SC2730_CHG_DET 0x1b9c #define SPRD_SC2731_IRQ_BASE 0x140 #define SPRD_SC2731_IRQ_NUMS 16 #define SPRD_SC2731_CHG_DET 0xedc @@ -50,6 +55,12 @@ struct sprd_pmic_data { * base address and irq number, we should save irq number and irq base * in the device data structure. */ +static const struct sprd_pmic_data sc2730_data = { + .irq_base = SPRD_SC2730_IRQ_BASE, + .num_irqs = SPRD_SC2730_IRQ_NUMS, + .charger_det = SPRD_SC2730_CHG_DET, +}; + static const struct sprd_pmic_data sc2731_data = { .irq_base = SPRD_SC2731_IRQ_BASE, .num_irqs = SPRD_SC2731_IRQ_NUMS, @@ -93,73 +104,6 @@ enum usb_charger_type sprd_pmic_detect_charger_type(struct device *dev) } EXPORT_SYMBOL_GPL(sprd_pmic_detect_charger_type); -static const struct mfd_cell sprd_pmic_devs[] = { - { - .name = "sc27xx-wdt", - .of_compatible = "sprd,sc2731-wdt", - }, { - .name = "sc27xx-rtc", - .of_compatible = "sprd,sc2731-rtc", - }, { - .name = "sc27xx-charger", - .of_compatible = "sprd,sc2731-charger", - }, { - .name = "sc27xx-chg-timer", - .of_compatible = "sprd,sc2731-chg-timer", - }, { - .name = "sc27xx-fast-chg", - .of_compatible = "sprd,sc2731-fast-chg", - }, { - .name = "sc27xx-chg-wdt", - .of_compatible = "sprd,sc2731-chg-wdt", - }, { - .name = "sc27xx-typec", - .of_compatible = "sprd,sc2731-typec", - }, { - .name = "sc27xx-flash", - .of_compatible = "sprd,sc2731-flash", - }, { - .name = "sc27xx-eic", - .of_compatible = "sprd,sc2731-eic", - }, { - .name = "sc27xx-efuse", - .of_compatible = "sprd,sc2731-efuse", - }, { - .name = "sc27xx-thermal", - .of_compatible = "sprd,sc2731-thermal", - }, { - .name = "sc27xx-adc", - .of_compatible = "sprd,sc2731-adc", - }, { - .name = "sc27xx-audio-codec", - .of_compatible = "sprd,sc2731-audio-codec", - }, { - .name = "sc27xx-regulator", - .of_compatible = "sprd,sc2731-regulator", - }, { - .name = "sc27xx-vibrator", - .of_compatible = "sprd,sc2731-vibrator", - }, { - .name = "sc27xx-keypad-led", - .of_compatible = "sprd,sc2731-keypad-led", - }, { - .name = "sc27xx-bltc", - .of_compatible = "sprd,sc2731-bltc", - }, { - .name = "sc27xx-fgu", - .of_compatible = "sprd,sc2731-fgu", - }, { - .name = "sc27xx-7sreset", - .of_compatible = "sprd,sc2731-7sreset", - }, { - .name = "sc27xx-poweroff", - .of_compatible = "sprd,sc2731-poweroff", - }, { - .name = "sc27xx-syscon", - .of_compatible = "sprd,sc2731-syscon", - }, -}; - static int sprd_pmic_spi_write(void *context, const void *data, size_t count) { struct device *dev = context; @@ -191,7 +135,7 @@ static int sprd_pmic_spi_read(void *context, return 0; } -static struct regmap_bus sprd_pmic_regmap = { +static const struct regmap_bus sprd_pmic_regmap = { .write = sprd_pmic_spi_write, .read = sprd_pmic_spi_read, .reg_format_endian_default = REGMAP_ENDIAN_NATIVE, @@ -237,11 +181,10 @@ static int sprd_pmic_probe(struct spi_device *spi) ddata->irq_chip.name = dev_name(&spi->dev); ddata->irq_chip.status_base = pdata->irq_base + SPRD_PMIC_INT_MASK_STATUS; - ddata->irq_chip.mask_base = pdata->irq_base + SPRD_PMIC_INT_EN; + ddata->irq_chip.unmask_base = pdata->irq_base + SPRD_PMIC_INT_EN; ddata->irq_chip.ack_base = 0; ddata->irq_chip.num_regs = 1; ddata->irq_chip.num_irqs = pdata->num_irqs; - ddata->irq_chip.mask_invert = true; ddata->irqs = devm_kcalloc(&spi->dev, pdata->num_irqs, sizeof(struct regmap_irq), @@ -250,43 +193,75 @@ static int sprd_pmic_probe(struct spi_device *spi) return -ENOMEM; ddata->irq_chip.irqs = ddata->irqs; - for (i = 0; i < pdata->num_irqs; i++) { - ddata->irqs[i].reg_offset = i / pdata->num_irqs; - ddata->irqs[i].mask = BIT(i % pdata->num_irqs); - } + for (i = 0; i < pdata->num_irqs; i++) + ddata->irqs[i].mask = BIT(i); ret = devm_regmap_add_irq_chip(&spi->dev, ddata->regmap, ddata->irq, - IRQF_ONESHOT | IRQF_NO_SUSPEND, 0, + IRQF_ONESHOT, 0, &ddata->irq_chip, &ddata->irq_data); if (ret) { dev_err(&spi->dev, "Failed to add PMIC irq chip %d\n", ret); return ret; } - ret = devm_mfd_add_devices(&spi->dev, PLATFORM_DEVID_AUTO, - sprd_pmic_devs, ARRAY_SIZE(sprd_pmic_devs), - NULL, 0, - regmap_irq_get_domain(ddata->irq_data)); + ret = devm_of_platform_populate(&spi->dev); if (ret) { - dev_err(&spi->dev, "Failed to register device %d\n", ret); + dev_err(&spi->dev, "Failed to populate sub-devices %d\n", ret); return ret; } + ret = devm_device_init_wakeup(&spi->dev); + if (ret) + return dev_err_probe(&spi->dev, ret, "Failed to init wakeup\n"); + return 0; } +static int sprd_pmic_suspend(struct device *dev) +{ + struct sprd_pmic *ddata = dev_get_drvdata(dev); + + if (device_may_wakeup(dev)) + enable_irq_wake(ddata->irq); + + return 0; +} + +static int sprd_pmic_resume(struct device *dev) +{ + struct sprd_pmic *ddata = dev_get_drvdata(dev); + + if (device_may_wakeup(dev)) + disable_irq_wake(ddata->irq); + + return 0; +} + +static DEFINE_SIMPLE_DEV_PM_OPS(sprd_pmic_pm_ops, + sprd_pmic_suspend, sprd_pmic_resume); + static const struct of_device_id sprd_pmic_match[] = { + { .compatible = "sprd,sc2730", .data = &sc2730_data }, { .compatible = "sprd,sc2731", .data = &sc2731_data }, {}, }; MODULE_DEVICE_TABLE(of, sprd_pmic_match); +static const struct spi_device_id sprd_pmic_spi_ids[] = { + { .name = "sc2730", .driver_data = (unsigned long)&sc2730_data }, + { .name = "sc2731", .driver_data = (unsigned long)&sc2731_data }, + {}, +}; +MODULE_DEVICE_TABLE(spi, sprd_pmic_spi_ids); + static struct spi_driver sprd_pmic_driver = { .driver = { .name = "sc27xx-pmic", .of_match_table = sprd_pmic_match, + .pm = pm_sleep_ptr(&sprd_pmic_pm_ops), }, .probe = sprd_pmic_probe, + .id_table = sprd_pmic_spi_ids, }; static int __init sprd_pmic_init(void) |