diff options
Diffstat (limited to 'drivers/staging/hikey9xx/hi6421-spmi-pmic.c')
-rw-r--r-- | drivers/staging/hikey9xx/hi6421-spmi-pmic.c | 97 |
1 files changed, 51 insertions, 46 deletions
diff --git a/drivers/staging/hikey9xx/hi6421-spmi-pmic.c b/drivers/staging/hikey9xx/hi6421-spmi-pmic.c index aed2d3ec2227..09cedfa1e4bb 100644 --- a/drivers/staging/hikey9xx/hi6421-spmi-pmic.c +++ b/drivers/staging/hikey9xx/hi6421-spmi-pmic.c @@ -62,7 +62,7 @@ static const struct mfd_cell hi6421v600_devs[] = { * Hisilicon SoC use hardware to map PMIC register into SoC mapping. * At here, we are accessing SoC register with 32-bit. */ -u32 hisi_pmic_read(struct hisi_pmic *pmic, int reg) +u32 hi6421_spmi_pmic_read(struct hi6421_spmi_pmic *pmic, int reg) { u32 ret; u8 read_value = 0; @@ -82,9 +82,9 @@ u32 hisi_pmic_read(struct hisi_pmic *pmic, int reg) } return (u32)read_value; } -EXPORT_SYMBOL(hisi_pmic_read); +EXPORT_SYMBOL(hi6421_spmi_pmic_read); -void hisi_pmic_write(struct hisi_pmic *pmic, int reg, u32 val) +void hi6421_spmi_pmic_write(struct hi6421_spmi_pmic *pmic, int reg, u32 val) { u32 ret; struct spmi_device *pdev; @@ -101,34 +101,36 @@ void hisi_pmic_write(struct hisi_pmic *pmic, int reg, u32 val) return; } } -EXPORT_SYMBOL(hisi_pmic_write); +EXPORT_SYMBOL(hi6421_spmi_pmic_write); -void hisi_pmic_rmw(struct hisi_pmic *pmic, int reg, u32 mask, u32 bits) +void hi6421_spmi_pmic_rmw(struct hi6421_spmi_pmic *pmic, int reg, + u32 mask, u32 bits) { u32 data; unsigned long flags; spin_lock_irqsave(&pmic->lock, flags); - data = hisi_pmic_read(pmic, reg) & ~mask; + data = hi6421_spmi_pmic_read(pmic, reg) & ~mask; data |= mask & bits; - hisi_pmic_write(pmic, reg, data); + hi6421_spmi_pmic_write(pmic, reg, data); spin_unlock_irqrestore(&pmic->lock, flags); } -EXPORT_SYMBOL(hisi_pmic_rmw); +EXPORT_SYMBOL(hi6421_spmi_pmic_rmw); -static irqreturn_t hisi_irq_handler(int irq, void *data) +static irqreturn_t hi6421_spmi_irq_handler(int irq, void *data) { - struct hisi_pmic *pmic = (struct hisi_pmic *)data; + struct hi6421_spmi_pmic *pmic = (struct hi6421_spmi_pmic *)data; unsigned long pending; int i, offset; for (i = 0; i < pmic->irqarray; i++) { - pending = hisi_pmic_read(pmic, (i + pmic->irq_addr.start_addr)); + pending = hi6421_spmi_pmic_read(pmic, (i + pmic->irq_addr.start_addr)); pending &= HISI_MASK_FIELD; if (pending != 0) pr_debug("pending[%d]=0x%lx\n\r", i, pending); - hisi_pmic_write(pmic, (i + pmic->irq_addr.start_addr), pending); + hi6421_spmi_pmic_write(pmic, (i + pmic->irq_addr.start_addr), + pending); /* solve powerkey order */ if ((i == HISI_IRQ_KEY_NUM) && ((pending & HISI_IRQ_KEY_VALUE) == HISI_IRQ_KEY_VALUE)) { @@ -146,9 +148,9 @@ static irqreturn_t hisi_irq_handler(int irq, void *data) return IRQ_HANDLED; } -static void hisi_irq_mask(struct irq_data *d) +static void hi6421_spmi_irq_mask(struct irq_data *d) { - struct hisi_pmic *pmic = irq_data_get_irq_chip_data(d); + struct hi6421_spmi_pmic *pmic = irq_data_get_irq_chip_data(d); u32 data, offset; unsigned long flags; @@ -156,15 +158,15 @@ static void hisi_irq_mask(struct irq_data *d) offset += pmic->irq_mask_addr.start_addr; spin_lock_irqsave(&pmic->lock, flags); - data = hisi_pmic_read(pmic, offset); + data = hi6421_spmi_pmic_read(pmic, offset); data |= (1 << (irqd_to_hwirq(d) & 0x07)); - hisi_pmic_write(pmic, offset, data); + hi6421_spmi_pmic_write(pmic, offset, data); spin_unlock_irqrestore(&pmic->lock, flags); } -static void hisi_irq_unmask(struct irq_data *d) +static void hi6421_spmi_irq_unmask(struct irq_data *d) { - struct hisi_pmic *pmic = irq_data_get_irq_chip_data(d); + struct hi6421_spmi_pmic *pmic = irq_data_get_irq_chip_data(d); u32 data, offset; unsigned long flags; @@ -172,26 +174,26 @@ static void hisi_irq_unmask(struct irq_data *d) offset += pmic->irq_mask_addr.start_addr; spin_lock_irqsave(&pmic->lock, flags); - data = hisi_pmic_read(pmic, offset); + data = hi6421_spmi_pmic_read(pmic, offset); data &= ~(1 << (irqd_to_hwirq(d) & 0x07)); - hisi_pmic_write(pmic, offset, data); + hi6421_spmi_pmic_write(pmic, offset, data); spin_unlock_irqrestore(&pmic->lock, flags); } -static struct irq_chip hisi_pmu_irqchip = { +static struct irq_chip hi6421_spmi_pmu_irqchip = { .name = "hisi-irq", - .irq_mask = hisi_irq_mask, - .irq_unmask = hisi_irq_unmask, - .irq_disable = hisi_irq_mask, - .irq_enable = hisi_irq_unmask, + .irq_mask = hi6421_spmi_irq_mask, + .irq_unmask = hi6421_spmi_irq_unmask, + .irq_disable = hi6421_spmi_irq_mask, + .irq_enable = hi6421_spmi_irq_unmask, }; -static int hisi_irq_map(struct irq_domain *d, unsigned int virq, +static int hi6421_spmi_irq_map(struct irq_domain *d, unsigned int virq, irq_hw_number_t hw) { - struct hisi_pmic *pmic = d->host_data; + struct hi6421_spmi_pmic *pmic = d->host_data; - irq_set_chip_and_handler_name(virq, &hisi_pmu_irqchip, + irq_set_chip_and_handler_name(virq, &hi6421_spmi_pmu_irqchip, handle_simple_irq, "hisi"); irq_set_chip_data(virq, pmic); irq_set_irq_type(virq, IRQ_TYPE_NONE); @@ -199,12 +201,13 @@ static int hisi_irq_map(struct irq_domain *d, unsigned int virq, return 0; } -static const struct irq_domain_ops hisi_domain_ops = { - .map = hisi_irq_map, +static const struct irq_domain_ops hi6421_spmi_domain_ops = { + .map = hi6421_spmi_irq_map, .xlate = irq_domain_xlate_twocell, }; -static int get_pmic_device_tree_data(struct device_node *np, struct hisi_pmic *pmic) +static int get_pmic_device_tree_data(struct device_node *np, + struct hi6421_spmi_pmic *pmic) { int ret = 0; @@ -247,27 +250,29 @@ static int get_pmic_device_tree_data(struct device_node *np, struct hisi_pmic *p return ret; } -static void hisi_pmic_irq_prc(struct hisi_pmic *pmic) +static void hi6421_spmi_pmic_irq_prc(struct hi6421_spmi_pmic *pmic) { int i; for (i = 0 ; i < pmic->irq_mask_addr.array; i++) - hisi_pmic_write(pmic, pmic->irq_mask_addr.start_addr + i, HISI_MASK_STATE); + hi6421_spmi_pmic_write(pmic, pmic->irq_mask_addr.start_addr + i, + HISI_MASK_STATE); for (i = 0 ; i < pmic->irq_addr.array; i++) { - unsigned int pending = hisi_pmic_read(pmic, pmic->irq_addr.start_addr + i); + unsigned int pending = hi6421_spmi_pmic_read(pmic, pmic->irq_addr.start_addr + i); pr_debug("PMU IRQ address value:irq[0x%x] = 0x%x\n", pmic->irq_addr.start_addr + i, pending); - hisi_pmic_write(pmic, pmic->irq_addr.start_addr + i, HISI_MASK_STATE); + hi6421_spmi_pmic_write(pmic, pmic->irq_addr.start_addr + i, + HISI_MASK_STATE); } } -static int hisi_pmic_probe(struct spmi_device *pdev) +static int hi6421_spmi_pmic_probe(struct spmi_device *pdev) { struct device *dev = &pdev->dev; struct device_node *np = dev->of_node; - struct hisi_pmic *pmic = NULL; + struct hi6421_spmi_pmic *pmic = NULL; enum of_gpio_flags flags; int ret = 0; int i; @@ -305,14 +310,14 @@ static int hisi_pmic_probe(struct spmi_device *pdev) pmic->irq = gpio_to_irq(pmic->gpio); /* mask && clear IRQ status */ - hisi_pmic_irq_prc(pmic); + hi6421_spmi_pmic_irq_prc(pmic); pmic->irqs = devm_kzalloc(dev, pmic->irqnum * sizeof(int), GFP_KERNEL); if (!pmic->irqs) goto irq_malloc; pmic->domain = irq_domain_add_simple(np, pmic->irqnum, 0, - &hisi_domain_ops, pmic); + &hi6421_spmi_domain_ops, pmic); if (!pmic->domain) { dev_err(dev, "failed irq domain add simple!\n"); ret = -ENODEV; @@ -330,7 +335,7 @@ static int hisi_pmic_probe(struct spmi_device *pdev) pr_info("[%s]. pmic->irqs[%d] = %d\n", __func__, i, pmic->irqs[i]); } - ret = request_threaded_irq(pmic->irq, hisi_irq_handler, NULL, + ret = request_threaded_irq(pmic->irq, hi6421_spmi_irq_handler, NULL, IRQF_TRIGGER_LOW | IRQF_SHARED | IRQF_NO_SUSPEND, "pmic", pmic); if (ret < 0) { @@ -365,9 +370,9 @@ irq_malloc: return ret; } -static void hisi_pmic_remove(struct spmi_device *pdev) +static void hi6421_spmi_pmic_remove(struct spmi_device *pdev) { - struct hisi_pmic *pmic = dev_get_drvdata(&pdev->dev); + struct hi6421_spmi_pmic *pmic = dev_get_drvdata(&pdev->dev); free_irq(pmic->irq, pmic); gpio_free(pmic->gpio); @@ -380,15 +385,15 @@ static const struct of_device_id pmic_spmi_id_table[] = { }; MODULE_DEVICE_TABLE(of, pmic_spmi_id_table); -static struct spmi_driver hisi_pmic_driver = { +static struct spmi_driver hi6421_spmi_pmic_driver = { .driver = { .name = "hi6421-spmi-pmic", .of_match_table = pmic_spmi_id_table, }, - .probe = hisi_pmic_probe, - .remove = hisi_pmic_remove, + .probe = hi6421_spmi_pmic_probe, + .remove = hi6421_spmi_pmic_remove, }; -module_spmi_driver(hisi_pmic_driver); +module_spmi_driver(hi6421_spmi_pmic_driver); MODULE_DESCRIPTION("HiSilicon Hi6421v600 SPMI PMIC driver"); MODULE_LICENSE("GPL v2"); |