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Merge branch 'ib-qcom-spmi' of /home/linus/linux-gpio into devel

hifive-unleashed-5.1
Linus Walleij 2019-01-28 14:31:13 +01:00
parent c1c9d41319 e7dc6af82c
commit 67e436ffd6
11 changed files with 225 additions and 156 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.txt
View File

@ -19,6 +19,7 @@ PMIC's from Qualcomm.
"qcom,pm8998-gpio"
"qcom,pma8084-gpio"
"qcom,pmi8994-gpio"
"qcom,pmi8998-gpio"
"qcom,pms405-gpio"
And must contain either "qcom,spmi-gpio" or "qcom,ssbi-gpio"

38
arch/arm/boot/dts/qcom-pm8941.dtsi
View File

@ -64,42 +64,8 @@
reg = <0xc000>;
gpio-controller;
#gpio-cells = <2>;
interrupts = <0 0xc0 0 IRQ_TYPE_NONE>,
<0 0xc1 0 IRQ_TYPE_NONE>,
<0 0xc2 0 IRQ_TYPE_NONE>,
<0 0xc3 0 IRQ_TYPE_NONE>,
<0 0xc4 0 IRQ_TYPE_NONE>,
<0 0xc5 0 IRQ_TYPE_NONE>,
<0 0xc6 0 IRQ_TYPE_NONE>,
<0 0xc7 0 IRQ_TYPE_NONE>,
<0 0xc8 0 IRQ_TYPE_NONE>,
<0 0xc9 0 IRQ_TYPE_NONE>,
<0 0xca 0 IRQ_TYPE_NONE>,
<0 0xcb 0 IRQ_TYPE_NONE>,
<0 0xcc 0 IRQ_TYPE_NONE>,
<0 0xcd 0 IRQ_TYPE_NONE>,
<0 0xce 0 IRQ_TYPE_NONE>,
<0 0xcf 0 IRQ_TYPE_NONE>,
<0 0xd0 0 IRQ_TYPE_NONE>,
<0 0xd1 0 IRQ_TYPE_NONE>,
<0 0xd2 0 IRQ_TYPE_NONE>,
<0 0xd3 0 IRQ_TYPE_NONE>,
<0 0xd4 0 IRQ_TYPE_NONE>,
<0 0xd5 0 IRQ_TYPE_NONE>,
<0 0xd6 0 IRQ_TYPE_NONE>,
<0 0xd7 0 IRQ_TYPE_NONE>,
<0 0xd8 0 IRQ_TYPE_NONE>,
<0 0xd9 0 IRQ_TYPE_NONE>,
<0 0xda 0 IRQ_TYPE_NONE>,
<0 0xdb 0 IRQ_TYPE_NONE>,
<0 0xdc 0 IRQ_TYPE_NONE>,
<0 0xdd 0 IRQ_TYPE_NONE>,
<0 0xde 0 IRQ_TYPE_NONE>,
<0 0xdf 0 IRQ_TYPE_NONE>,
<0 0xe0 0 IRQ_TYPE_NONE>,
<0 0xe1 0 IRQ_TYPE_NONE>,
<0 0xe2 0 IRQ_TYPE_NONE>,
<0 0xe3 0 IRQ_TYPE_NONE>;
interrupt-controller;
#interrupt-cells = <2>;
boost_bypass_n_pin: boost-bypass {
pins = "gpio21";

24
arch/arm/boot/dts/qcom-pma8084.dtsi
View File

@ -32,28 +32,8 @@
reg = <0xc000>;
gpio-controller;
#gpio-cells = <2>;
interrupts = <0 0xc0 0 IRQ_TYPE_NONE>,
<0 0xc1 0 IRQ_TYPE_NONE>,
<0 0xc2 0 IRQ_TYPE_NONE>,
<0 0xc3 0 IRQ_TYPE_NONE>,
<0 0xc4 0 IRQ_TYPE_NONE>,
<0 0xc5 0 IRQ_TYPE_NONE>,
<0 0xc6 0 IRQ_TYPE_NONE>,
<0 0xc7 0 IRQ_TYPE_NONE>,
<0 0xc8 0 IRQ_TYPE_NONE>,
<0 0xc9 0 IRQ_TYPE_NONE>,
<0 0xca 0 IRQ_TYPE_NONE>,
<0 0xcb 0 IRQ_TYPE_NONE>,
<0 0xcc 0 IRQ_TYPE_NONE>,
<0 0xcd 0 IRQ_TYPE_NONE>,
<0 0xce 0 IRQ_TYPE_NONE>,
<0 0xcf 0 IRQ_TYPE_NONE>,
<0 0xd0 0 IRQ_TYPE_NONE>,
<0 0xd1 0 IRQ_TYPE_NONE>,
<0 0xd2 0 IRQ_TYPE_NONE>,
<0 0xd3 0 IRQ_TYPE_NONE>,
<0 0xd4 0 IRQ_TYPE_NONE>,
<0 0xd5 0 IRQ_TYPE_NONE>;
interrupt-controller;
#interrupt-cells = <2>;
};
pma8084_mpps: mpps@a000 {

6
arch/arm64/boot/dts/qcom/pm8005.dtsi
View File

@ -16,10 +16,8 @@
reg = <0xc000>;
gpio-controller;
#gpio-cells = <2>;
interrupts = <0 0xc0 0 IRQ_TYPE_NONE>,
<0 0xc1 0 IRQ_TYPE_NONE>,
<0 0xc2 0 IRQ_TYPE_NONE>,
<0 0xc3 0 IRQ_TYPE_NONE>;
interrupt-controller;
#interrupt-cells = <2>;
};
};

28
arch/arm64/boot/dts/qcom/pm8998.dtsi
View File

@ -94,32 +94,8 @@
reg = <0xc000>;
gpio-controller;
#gpio-cells = <2>;
interrupts = <0 0xc0 0 IRQ_TYPE_NONE>,
<0 0xc1 0 IRQ_TYPE_NONE>,
<0 0xc2 0 IRQ_TYPE_NONE>,
<0 0xc3 0 IRQ_TYPE_NONE>,
<0 0xc4 0 IRQ_TYPE_NONE>,
<0 0xc5 0 IRQ_TYPE_NONE>,
<0 0xc6 0 IRQ_TYPE_NONE>,
<0 0xc7 0 IRQ_TYPE_NONE>,
<0 0xc8 0 IRQ_TYPE_NONE>,
<0 0xc9 0 IRQ_TYPE_NONE>,
<0 0xca 0 IRQ_TYPE_NONE>,
<0 0xcb 0 IRQ_TYPE_NONE>,
<0 0xcc 0 IRQ_TYPE_NONE>,
<0 0xcd 0 IRQ_TYPE_NONE>,
<0 0xce 0 IRQ_TYPE_NONE>,
<0 0xcf 0 IRQ_TYPE_NONE>,
<0 0xd0 0 IRQ_TYPE_NONE>,
<0 0xd1 0 IRQ_TYPE_NONE>,
<0 0xd2 0 IRQ_TYPE_NONE>,
<0 0xd3 0 IRQ_TYPE_NONE>,
<0 0xd4 0 IRQ_TYPE_NONE>,
<0 0xd5 0 IRQ_TYPE_NONE>,
<0 0xd6 0 IRQ_TYPE_NONE>,
<0 0xd7 0 IRQ_TYPE_NONE>,
<0 0xd8 0 IRQ_TYPE_NONE>,
<0 0xd9 0 IRQ_TYPE_NONE>;
interrupt-controller;
#interrupt-cells = <2>;
};
};

12
arch/arm64/boot/dts/qcom/pmi8994.dtsi
View File

@ -15,16 +15,8 @@
reg = <0xc000>;
gpio-controller;
#gpio-cells = <2>;
interrupts = <2 0xc0 0 IRQ_TYPE_NONE>,
<2 0xc1 0 IRQ_TYPE_NONE>,
<2 0xc2 0 IRQ_TYPE_NONE>,
<2 0xc3 0 IRQ_TYPE_NONE>,
<2 0xc4 0 IRQ_TYPE_NONE>,
<2 0xc5 0 IRQ_TYPE_NONE>,
<2 0xc6 0 IRQ_TYPE_NONE>,
<2 0xc7 0 IRQ_TYPE_NONE>,
<2 0xc8 0 IRQ_TYPE_NONE>,
<2 0xc9 0 IRQ_TYPE_NONE>;
interrupt-controller;
#interrupt-cells = <2>;
};
};

16
arch/arm64/boot/dts/qcom/pmi8998.dtsi
View File

@ -14,20 +14,8 @@
reg = <0xc000>;
gpio-controller;
#gpio-cells = <2>;
interrupts = <0 0xc0 0 IRQ_TYPE_NONE>,
<0 0xc1 0 IRQ_TYPE_NONE>,
<0 0xc2 0 IRQ_TYPE_NONE>,
<0 0xc3 0 IRQ_TYPE_NONE>,
<0 0xc4 0 IRQ_TYPE_NONE>,
<0 0xc5 0 IRQ_TYPE_NONE>,
<0 0xc6 0 IRQ_TYPE_NONE>,
<0 0xc7 0 IRQ_TYPE_NONE>,
<0 0xc8 0 IRQ_TYPE_NONE>,
<0 0xc9 0 IRQ_TYPE_NONE>,
<0 0xca 0 IRQ_TYPE_NONE>,
<0 0xcb 0 IRQ_TYPE_NONE>,
<0 0xcc 0 IRQ_TYPE_NONE>,
<0 0xcd 0 IRQ_TYPE_NONE>;
interrupt-controller;
#interrupt-cells = <2>;
};
};

37
drivers/gpio/gpiolib.c
View File

@ -1775,6 +1775,43 @@ static const struct irq_domain_ops gpiochip_domain_ops = {
.xlate = irq_domain_xlate_twocell,
};
/**
* gpiochip_irq_domain_activate() - Lock a GPIO to be used as an IRQ
* @domain: The IRQ domain used by this IRQ chip
* @data: Outermost irq_data associated with the IRQ
* @reserve: If set, only reserve an interrupt vector instead of assigning one
*
* This function is a wrapper that calls gpiochip_lock_as_irq() and is to be
* used as the activate function for the &struct irq_domain_ops. The host_data
* for the IRQ domain must be the &struct gpio_chip.
*/
int gpiochip_irq_domain_activate(struct irq_domain *domain,
struct irq_data *data, bool reserve)
{
struct gpio_chip *chip = domain->host_data;
return gpiochip_lock_as_irq(chip, data->hwirq);
}
EXPORT_SYMBOL_GPL(gpiochip_irq_domain_activate);
/**
* gpiochip_irq_domain_deactivate() - Unlock a GPIO used as an IRQ
* @domain: The IRQ domain used by this IRQ chip
* @data: Outermost irq_data associated with the IRQ
*
* This function is a wrapper that will call gpiochip_unlock_as_irq() and is to
* be used as the deactivate function for the &struct irq_domain_ops. The
* host_data for the IRQ domain must be the &struct gpio_chip.
*/
void gpiochip_irq_domain_deactivate(struct irq_domain *domain,
struct irq_data *data)
{
struct gpio_chip *chip = domain->host_data;
return gpiochip_unlock_as_irq(chip, data->hwirq);
}
EXPORT_SYMBOL_GPL(gpiochip_irq_domain_deactivate);
static int gpiochip_to_irq(struct gpio_chip *chip, unsigned offset)
{
if (!gpiochip_irqchip_irq_valid(chip, offset))

140
drivers/pinctrl/qcom/pinctrl-spmi-gpio.c
View File

@ -12,6 +12,7 @@
*/
#include <linux/gpio/driver.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_irq.h>
@ -136,7 +137,6 @@ enum pmic_gpio_func_index {
/**
* struct pmic_gpio_pad - keep current GPIO settings
* @base: Address base in SPMI device.
* @irq: IRQ number which this GPIO generate.
* @is_enabled: Set to false when GPIO should be put in high Z state.
* @out_value: Cached pin output value
* @have_buffer: Set to true if GPIO output could be configured in push-pull,
@ -156,7 +156,6 @@ enum pmic_gpio_func_index {
*/
struct pmic_gpio_pad {
u16 base;
int irq;
bool is_enabled;
bool out_value;
bool have_buffer;
@ -179,6 +178,8 @@ struct pmic_gpio_state {
struct regmap *map;
struct pinctrl_dev *ctrl;
struct gpio_chip chip;
struct fwnode_handle *fwnode;
struct irq_domain *domain;
};
static const struct pinconf_generic_params pmic_gpio_bindings[] = {
@ -761,11 +762,18 @@ static int pmic_gpio_of_xlate(struct gpio_chip *chip,
static int pmic_gpio_to_irq(struct gpio_chip *chip, unsigned pin)
{
struct pmic_gpio_state *state = gpiochip_get_data(chip);
struct pmic_gpio_pad *pad;
struct irq_fwspec fwspec;
pad = state->ctrl->desc->pins[pin].drv_data;
fwspec.fwnode = state->fwnode;
fwspec.param_count = 2;
fwspec.param[0] = pin + PMIC_GPIO_PHYSICAL_OFFSET;
/*
* Set the type to a safe value temporarily. This will be overwritten
* later with the proper value by irq_set_type.
*/
fwspec.param[1] = IRQ_TYPE_EDGE_RISING;
return pad->irq;
return irq_create_fwspec_mapping(&fwspec);
}
static void pmic_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
@ -935,8 +943,78 @@ static int pmic_gpio_populate(struct pmic_gpio_state *state,
return 0;
}
static struct irq_chip pmic_gpio_irq_chip = {
.name = "spmi-gpio",
.irq_ack = irq_chip_ack_parent,
.irq_mask = irq_chip_mask_parent,
.irq_unmask = irq_chip_unmask_parent,
.irq_set_type = irq_chip_set_type_parent,
.irq_set_wake = irq_chip_set_wake_parent,
.flags = IRQCHIP_MASK_ON_SUSPEND,
};
static int pmic_gpio_domain_translate(struct irq_domain *domain,
struct irq_fwspec *fwspec,
unsigned long *hwirq,
unsigned int *type)
{
struct pmic_gpio_state *state = container_of(domain->host_data,
struct pmic_gpio_state,
chip);
if (fwspec->param_count != 2 || fwspec->param[0] >= state->chip.ngpio)
return -EINVAL;
*hwirq = fwspec->param[0] - PMIC_GPIO_PHYSICAL_OFFSET;
*type = fwspec->param[1];
return 0;
}
static int pmic_gpio_domain_alloc(struct irq_domain *domain, unsigned int virq,
unsigned int nr_irqs, void *data)
{
struct pmic_gpio_state *state = container_of(domain->host_data,
struct pmic_gpio_state,
chip);
struct irq_fwspec *fwspec = data;
struct irq_fwspec parent_fwspec;
irq_hw_number_t hwirq;
unsigned int type;
int ret, i;
ret = pmic_gpio_domain_translate(domain, fwspec, &hwirq, &type);
if (ret)
return ret;
for (i = 0; i < nr_irqs; i++)
irq_domain_set_info(domain, virq + i, hwirq + i,
&pmic_gpio_irq_chip, state,
handle_level_irq, NULL, NULL);
parent_fwspec.fwnode = domain->parent->fwnode;
parent_fwspec.param_count = 4;
parent_fwspec.param[0] = 0;
parent_fwspec.param[1] = hwirq + 0xc0;
parent_fwspec.param[2] = 0;
parent_fwspec.param[3] = fwspec->param[1];
return irq_domain_alloc_irqs_parent(domain, virq, nr_irqs,
&parent_fwspec);
}
static const struct irq_domain_ops pmic_gpio_domain_ops = {
.activate = gpiochip_irq_domain_activate,
.alloc = pmic_gpio_domain_alloc,
.deactivate = gpiochip_irq_domain_deactivate,
.free = irq_domain_free_irqs_common,
.translate = pmic_gpio_domain_translate,
};
static int pmic_gpio_probe(struct platform_device *pdev)
{
struct irq_domain *parent_domain;
struct device_node *parent_node;
struct device *dev = &pdev->dev;
struct pinctrl_pin_desc *pindesc;
struct pinctrl_desc *pctrldesc;
@ -951,13 +1029,7 @@ static int pmic_gpio_probe(struct platform_device *pdev)
return ret;
}
npins = platform_irq_count(pdev);
if (!npins)
return -EINVAL;
if (npins < 0)
return npins;
BUG_ON(npins > ARRAY_SIZE(pmic_gpio_groups));
npins = (uintptr_t) device_get_match_data(&pdev->dev);
state = devm_kzalloc(dev, sizeof(*state), GFP_KERNEL);
if (!state)
@ -999,10 +1071,6 @@ static int pmic_gpio_probe(struct platform_device *pdev)
pindesc->number = i;
pindesc->name = pmic_gpio_groups[i];
pad->irq = platform_get_irq(pdev, i);
if (pad->irq < 0)
return pad->irq;
pad->base = reg + i * PMIC_GPIO_ADDRESS_RANGE;
ret = pmic_gpio_populate(state, pad);
@ -1022,10 +1090,28 @@ static int pmic_gpio_probe(struct platform_device *pdev)
if (IS_ERR(state->ctrl))
return PTR_ERR(state->ctrl);
parent_node = of_irq_find_parent(state->dev->of_node);
if (!parent_node)
return -ENXIO;
parent_domain = irq_find_host(parent_node);
of_node_put(parent_node);
if (!parent_domain)
return -ENXIO;
state->fwnode = of_node_to_fwnode(state->dev->of_node);
state->domain = irq_domain_create_hierarchy(parent_domain, 0,
state->chip.ngpio,
state->fwnode,
&pmic_gpio_domain_ops,
&state->chip);
if (!state->domain)
return -ENODEV;
ret = gpiochip_add_data(&state->chip, state);
if (ret) {
dev_err(state->dev, "can't add gpio chip\n");
return ret;
goto err_chip_add_data;
}
/*
@ -1051,6 +1137,8 @@ static int pmic_gpio_probe(struct platform_device *pdev)
err_range:
gpiochip_remove(&state->chip);
err_chip_add_data:
irq_domain_remove(state->domain);
return ret;
}
@ -1059,17 +1147,21 @@ static int pmic_gpio_remove(struct platform_device *pdev)
struct pmic_gpio_state *state = platform_get_drvdata(pdev);
gpiochip_remove(&state->chip);
irq_domain_remove(state->domain);
return 0;
}
static const struct of_device_id pmic_gpio_of_match[] = {
{ .compatible = "qcom,pm8916-gpio" }, /* 4 GPIO's */
{ .compatible = "qcom,pm8941-gpio" }, /* 36 GPIO's */
{ .compatible = "qcom,pm8994-gpio" }, /* 22 GPIO's */
{ .compatible = "qcom,pmi8994-gpio" }, /* 10 GPIO's */
{ .compatible = "qcom,pma8084-gpio" }, /* 22 GPIO's */
{ .compatible = "qcom,pms405-gpio" }, /* 12 GPIO's, holes on 1 9 10 */
{ .compatible = "qcom,spmi-gpio" }, /* Generic */
{ .compatible = "qcom,pm8005-gpio", .data = (void *) 4 },
{ .compatible = "qcom,pm8916-gpio", .data = (void *) 4 },
{ .compatible = "qcom,pm8941-gpio", .data = (void *) 36 },
{ .compatible = "qcom,pm8994-gpio", .data = (void *) 22 },
{ .compatible = "qcom,pmi8994-gpio", .data = (void *) 10 },
{ .compatible = "qcom,pm8998-gpio", .data = (void *) 26 },
{ .compatible = "qcom,pmi8998-gpio", .data = (void *) 14 },
{ .compatible = "qcom,pma8084-gpio", .data = (void *) 22 },
/* pms405 has 12 GPIOs with holes on 1, 9, and 10 */
{ .compatible = "qcom,pms405-gpio", .data = (void *) 12 },
{ },
};

74
drivers/spmi/spmi-pmic-arb.c
View File

@ -666,7 +666,8 @@ static int qpnpint_get_irqchip_state(struct irq_data *d,
return 0;
}
static int qpnpint_irq_request_resources(struct irq_data *d)
static int qpnpint_irq_domain_activate(struct irq_domain *domain,
struct irq_data *d, bool reserve)
{
struct spmi_pmic_arb *pmic_arb = irq_data_get_irq_chip_data(d);
u16 periph = hwirq_to_per(d->hwirq);
@ -692,27 +693,25 @@ static struct irq_chip pmic_arb_irqchip = {
.irq_set_type = qpnpint_irq_set_type,
.irq_set_wake = qpnpint_irq_set_wake,
.irq_get_irqchip_state = qpnpint_get_irqchip_state,
.irq_request_resources = qpnpint_irq_request_resources,
.flags = IRQCHIP_MASK_ON_SUSPEND,
};
static int qpnpint_irq_domain_dt_translate(struct irq_domain *d,
struct device_node *controller,
const u32 *intspec,
unsigned int intsize,
unsigned long *out_hwirq,
unsigned int *out_type)
static int qpnpint_irq_domain_translate(struct irq_domain *d,
struct irq_fwspec *fwspec,
unsigned long *out_hwirq,
unsigned int *out_type)
{
struct spmi_pmic_arb *pmic_arb = d->host_data;
u32 *intspec = fwspec->param;
u16 apid, ppid;
int rc;
dev_dbg(&pmic_arb->spmic->dev, "intspec[0] 0x%1x intspec[1] 0x%02x intspec[2] 0x%02x\n",
intspec[0], intspec[1], intspec[2]);
if (irq_domain_get_of_node(d) != controller)
if (irq_domain_get_of_node(d) != pmic_arb->spmic->dev.of_node)
return -EINVAL;
if (intsize != 4)
if (fwspec->param_count != 4)
return -EINVAL;
if (intspec[0] > 0xF || intspec[1] > 0xFF || intspec[2] > 0x7)
return -EINVAL;
@ -740,17 +739,50 @@ static int qpnpint_irq_domain_dt_translate(struct irq_domain *d,
return 0;
}
static int qpnpint_irq_domain_map(struct irq_domain *d,
unsigned int virq,
irq_hw_number_t hwirq)
static int qpnpint_irq_domain_map(struct spmi_pmic_arb *pmic_arb,
struct irq_domain *domain, unsigned int virq,
irq_hw_number_t hwirq, unsigned int type)
{
struct spmi_pmic_arb *pmic_arb = d->host_data;
irq_flow_handler_t handler;
dev_dbg(&pmic_arb->spmic->dev, "virq = %u, hwirq = %lu\n", virq, hwirq);
dev_dbg(&pmic_arb->spmic->dev, "virq = %u, hwirq = %lu, type = %u\n",
virq, hwirq, type);
if (type & IRQ_TYPE_EDGE_BOTH)
handler = handle_edge_irq;
else if (type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH))
handler = handle_level_irq;
else
return -EINVAL;
irq_domain_set_info(domain, virq, hwirq, &pmic_arb_irqchip, pmic_arb,
handler, NULL, NULL);
return 0;
}
static int qpnpint_irq_domain_alloc(struct irq_domain *domain,
unsigned int virq, unsigned int nr_irqs,
void *data)
{
struct spmi_pmic_arb *pmic_arb = domain->host_data;
struct irq_fwspec *fwspec = data;
irq_hw_number_t hwirq;
unsigned int type;
int ret, i;
ret = qpnpint_irq_domain_translate(domain, fwspec, &hwirq, &type);
if (ret)
return ret;
for (i = 0; i < nr_irqs; i++) {
ret = qpnpint_irq_domain_map(pmic_arb, domain, virq + i,
hwirq + i, type);
if (ret)
return ret;
}
irq_set_chip_and_handler(virq, &pmic_arb_irqchip, handle_level_irq);
irq_set_chip_data(virq, d->host_data);
irq_set_noprobe(virq);
return 0;
}
@ -1126,8 +1158,10 @@ static const struct pmic_arb_ver_ops pmic_arb_v5 = {
};
static const struct irq_domain_ops pmic_arb_irq_domain_ops = {
.map = qpnpint_irq_domain_map,
.xlate = qpnpint_irq_domain_dt_translate,
.activate = qpnpint_irq_domain_activate,
.alloc = qpnpint_irq_domain_alloc,
.free = irq_domain_free_irqs_common,
.translate = qpnpint_irq_domain_translate,
};
static int spmi_pmic_arb_probe(struct platform_device *pdev)

5
include/linux/gpio/driver.h
View File

@ -472,6 +472,11 @@ int gpiochip_irq_map(struct irq_domain *d, unsigned int irq,
irq_hw_number_t hwirq);
void gpiochip_irq_unmap(struct irq_domain *d, unsigned int irq);
int gpiochip_irq_domain_activate(struct irq_domain *domain,
struct irq_data *data, bool reserve);
void gpiochip_irq_domain_deactivate(struct irq_domain *domain,
struct irq_data *data);
void gpiochip_set_chained_irqchip(struct gpio_chip *gpiochip,
struct irq_chip *irqchip,
unsigned int parent_irq,