diff --git a/Documentation/devicetree/bindings/gpio/mrvl-gpio.txt b/Documentation/devicetree/bindings/gpio/mrvl-gpio.txt index e13787498bcf..9b3f1d4a88d6 100644 --- a/Documentation/devicetree/bindings/gpio/mrvl-gpio.txt +++ b/Documentation/devicetree/bindings/gpio/mrvl-gpio.txt @@ -1,7 +1,10 @@ * Marvell PXA GPIO controller Required properties: -- compatible : Should be "mrvl,pxa-gpio" or "mrvl,mmp-gpio" +- compatible : Should be "intel,pxa25x-gpio", "intel,pxa26x-gpio", + "intel,pxa27x-gpio", "intel,pxa3xx-gpio", + "marvell,pxa93x-gpio", "marvell,mmp-gpio" or + "marvell,mmp2-gpio". - reg : Address and length of the register set for the device - interrupts : Should be the port interrupt shared by all gpio pins. There're three gpio interrupts in arch-pxa, and they're gpio0, @@ -18,7 +21,7 @@ Required properties: Example: gpio: gpio@d4019000 { - compatible = "mrvl,mmp-gpio"; + compatible = "marvell,mmp-gpio"; reg = <0xd4019000 0x1000>; interrupts = <49>; interrupt-name = "gpio_mux"; diff --git a/arch/arm/boot/dts/mmp2.dtsi b/arch/arm/boot/dts/mmp2.dtsi index 1429ac05b36d..4e8b08c628c7 100644 --- a/arch/arm/boot/dts/mmp2.dtsi +++ b/arch/arm/boot/dts/mmp2.dtsi @@ -160,7 +160,7 @@ }; gpio@d4019000 { - compatible = "mrvl,mmp-gpio"; + compatible = "marvell,mmp2-gpio"; #address-cells = <1>; #size-cells = <1>; reg = <0xd4019000 0x1000>; diff --git a/arch/arm/boot/dts/pxa168.dtsi b/arch/arm/boot/dts/pxa168.dtsi index 31a718696080..975dad21ac38 100644 --- a/arch/arm/boot/dts/pxa168.dtsi +++ b/arch/arm/boot/dts/pxa168.dtsi @@ -77,7 +77,7 @@ }; gpio@d4019000 { - compatible = "mrvl,mmp-gpio"; + compatible = "marvell,mmp-gpio"; #address-cells = <1>; #size-cells = <1>; reg = <0xd4019000 0x1000>; diff --git a/arch/arm/boot/dts/pxa910.dtsi b/arch/arm/boot/dts/pxa910.dtsi index 825aaca33034..0247c622f580 100644 --- a/arch/arm/boot/dts/pxa910.dtsi +++ b/arch/arm/boot/dts/pxa910.dtsi @@ -89,7 +89,7 @@ }; gpio@d4019000 { - compatible = "mrvl,mmp-gpio"; + compatible = "marvell,mmp-gpio"; #address-cells = <1>; #size-cells = <1>; reg = <0xd4019000 0x1000>; diff --git a/arch/arm/mach-mmp/mmp-dt.c b/arch/arm/mach-mmp/mmp-dt.c index 5b890b686952..b37915dc4470 100644 --- a/arch/arm/mach-mmp/mmp-dt.c +++ b/arch/arm/mach-mmp/mmp-dt.c @@ -28,7 +28,7 @@ static const struct of_dev_auxdata pxa168_auxdata_lookup[] __initconst = { OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4026000, "pxa2xx-uart.2", NULL), OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4011000, "pxa2xx-i2c.0", NULL), OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4025000, "pxa2xx-i2c.1", NULL), - OF_DEV_AUXDATA("mrvl,mmp-gpio", 0xd4019000, "mmp-gpio", NULL), + OF_DEV_AUXDATA("marvell,mmp-gpio", 0xd4019000, "mmp-gpio", NULL), OF_DEV_AUXDATA("mrvl,mmp-rtc", 0xd4010000, "sa1100-rtc", NULL), {} }; @@ -39,7 +39,7 @@ static const struct of_dev_auxdata pxa910_auxdata_lookup[] __initconst = { OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4036000, "pxa2xx-uart.2", NULL), OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4011000, "pxa2xx-i2c.0", NULL), OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4037000, "pxa2xx-i2c.1", NULL), - OF_DEV_AUXDATA("mrvl,mmp-gpio", 0xd4019000, "mmp-gpio", NULL), + OF_DEV_AUXDATA("marvell,mmp-gpio", 0xd4019000, "mmp-gpio", NULL), OF_DEV_AUXDATA("mrvl,mmp-rtc", 0xd4010000, "sa1100-rtc", NULL), {} }; diff --git a/arch/arm/mach-mmp/mmp2-dt.c b/arch/arm/mach-mmp/mmp2-dt.c index 924b6e838e50..4ac256720f7d 100644 --- a/arch/arm/mach-mmp/mmp2-dt.c +++ b/arch/arm/mach-mmp/mmp2-dt.c @@ -31,7 +31,7 @@ static const struct of_dev_auxdata mmp2_auxdata_lookup[] __initconst = { OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4016000, "pxa2xx-uart.3", NULL), OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4011000, "pxa2xx-i2c.0", NULL), OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4025000, "pxa2xx-i2c.1", NULL), - OF_DEV_AUXDATA("mrvl,mmp-gpio", 0xd4019000, "mmp2-gpio", NULL), + OF_DEV_AUXDATA("marvell,mmp-gpio", 0xd4019000, "mmp2-gpio", NULL), OF_DEV_AUXDATA("mrvl,mmp-rtc", 0xd4010000, "sa1100-rtc", NULL), {} }; diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c index a0905b20f48e..b80717e1ce5b 100644 --- a/drivers/gpio/gpio-pxa.c +++ b/drivers/gpio/gpio-pxa.c @@ -499,8 +499,13 @@ static int pxa_gpio_nums(struct platform_device *pdev) #ifdef CONFIG_OF static struct of_device_id pxa_gpio_dt_ids[] = { - { .compatible = "mrvl,pxa-gpio" }, - { .compatible = "mrvl,mmp-gpio", .data = (void *)MMP_GPIO }, + { .compatible = "intel,pxa25x-gpio", .data = &pxa25x_id, }, + { .compatible = "intel,pxa26x-gpio", .data = &pxa26x_id, }, + { .compatible = "intel,pxa27x-gpio", .data = &pxa27x_id, }, + { .compatible = "intel,pxa3xx-gpio", .data = &pxa3xx_id, }, + { .compatible = "marvell,pxa93x-gpio", .data = &pxa93x_id, }, + { .compatible = "marvell,mmp-gpio", .data = &mmp_id, }, + { .compatible = "marvell,mmp2-gpio", .data = &mmp2_id, }, {} }; @@ -520,16 +525,18 @@ const struct irq_domain_ops pxa_irq_domain_ops = { static int pxa_gpio_probe_dt(struct platform_device *pdev) { - int ret, nr_banks, nr_gpios; + int ret, nr_gpios; struct device_node *prev, *next, *np = pdev->dev.of_node; const struct of_device_id *of_id = of_match_device(pxa_gpio_dt_ids, &pdev->dev); + const struct pxa_gpio_id *gpio_id; - if (!of_id) { + if (!of_id || !of_id->data) { dev_err(&pdev->dev, "Failed to find gpio controller\n"); return -EFAULT; } - gpio_type = (int)of_id->data; + gpio_id = of_id->data; + gpio_type = gpio_id->type; next = of_get_next_child(np, NULL); prev = next; @@ -538,14 +545,8 @@ static int pxa_gpio_probe_dt(struct platform_device *pdev) ret = -EINVAL; goto err; } - for (nr_banks = 1; ; nr_banks++) { - next = of_get_next_child(np, prev); - if (!next) - break; - prev = next; - } of_node_put(prev); - nr_gpios = nr_banks << 5; + nr_gpios = gpio_id->gpio_nums; pxa_last_gpio = nr_gpios - 1; irq_base = irq_alloc_descs(-1, 0, nr_gpios, 0);