staging: hi6421-spmi-pmic: rename GPIO IRQ OF node

Instead of using the standard name ("gpios"), use "interrupts".

Suggested-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/8b2cad1e9b9904c6a2aaea8786d5e5a39f09ac19.1626515862.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/hikey9xx/hi6421-spmi-pmic.c

@@ -218,6 +218,7 @@ static int hi6421_spmi_pmic_probe(struct spmi_device *sdev)
 	struct device *dev = &sdev->dev;
 	struct device_node *np = dev->of_node;
 	struct hi6421_spmi_pmic *ddata;
+	struct platform_device *pdev;
 	unsigned int virq;
 	int ret, i;
 
@@ -233,21 +234,14 @@ static int hi6421_spmi_pmic_probe(struct spmi_device *sdev)
 
 	ddata->dev = dev;
 
-	ddata->gpio = of_get_gpio(np, 0);
-	if (ddata->gpio < 0)
-		return ddata->gpio;
+	pdev = container_of(dev, struct platform_device, dev);
 
-	if (!gpio_is_valid(ddata->gpio))
-		return -EINVAL;
-
-	ret = devm_gpio_request_one(dev, ddata->gpio, GPIOF_IN, "pmic");
-	if (ret < 0) {
-		dev_err(dev, "Failed to request gpio%d\n", ddata->gpio);
-		return ret;
+	ddata->irq = platform_get_irq(pdev, 0);
+	if (ddata->irq < 0) {
+		dev_err(dev, "Error %d when getting IRQs\n", ddata->irq);
+		return ddata->irq;
 	}
 
-	ddata->irq = gpio_to_irq(ddata->gpio);
-
 	hi6421_spmi_pmic_irq_init(ddata);
 
 	ddata->irqs = devm_kzalloc(dev, PMIC_IRQ_LIST_MAX * sizeof(int), GFP_KERNEL);

drivers/staging/hikey9xx/hisilicon,hi6421-spmi-pmic.yaml

@@ -34,9 +34,7 @@ properties:
 
   interrupt-controller: true
 
-  gpios:
-    maxItems: 1
-    description: GPIO used for IRQs
+  interrupts: true
 
   regulators:
     type: object
@@ -63,15 +61,15 @@ additionalProperties: false
 
 examples:
   - |
-    /* pmic properties */
 
     pmic: pmic@0 {
       compatible = "hisilicon,hi6421-spmi";
       reg = <0 0>;
 
       #interrupt-cells = <2>;
       interrupt-controller;
-      gpios = <&gpio28 0 0>;
+      interrupt-parent = <&gpio28>;
+      interrupts = <0 0>;
 
       regulators {
         #address-cells = <1>;

include/linux/mfd/hi6421-spmi-pmic.h

@@ -22,7 +22,6 @@ struct hi6421_spmi_pmic {
 	spinlock_t				lock;
 	struct irq_domain			*domain;
 	int					irq;
-	int					gpio;
 	unsigned int				*irqs;
 	struct regmap				*regmap;
 };