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-rw-r--r--drivers/staging/hikey9xx/hi6421-spmi-pmic.c97
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");
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-31 18:21:11 +0000