diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpio/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/gpio/Makefile | 2 | ||||
| -rw-r--r-- | drivers/gpio/gpio-ftgpio010.c (renamed from drivers/gpio/gpio-gemini.c) | 72 |
3 files changed, 44 insertions, 37 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index a386240c5921..2c3f6390b44b 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -204,14 +204,15 @@ config GPIO_GE_FPGA and write pin state) for GPIO implemented in a number of GE single board computers. -config GPIO_GEMINI - bool "Gemini GPIO" +config GPIO_FTGPIO010 + bool "Faraday FTGPIO010 GPIO" depends on ARCH_GEMINI depends on OF_GPIO select GPIO_GENERIC select GPIOLIB_IRQCHIP help - Support for common GPIOs found in Cortina systems Gemini platforms. + Support for common GPIOs from the Faraday FTGPIO010 IP core, found in + Cortina systems Gemini platforms, Moxa ART and others. config GPIO_GENERIC_PLATFORM tristate "Generic memory-mapped GPIO controller support (MMIO platform device)" diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index becb96c724fe..4b904fec8273 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -48,8 +48,8 @@ obj-$(CONFIG_GPIO_EP93XX) += gpio-ep93xx.o obj-$(CONFIG_GPIO_ETRAXFS) += gpio-etraxfs.o obj-$(CONFIG_GPIO_EXAR) += gpio-exar.o obj-$(CONFIG_GPIO_F7188X) += gpio-f7188x.o +obj-$(CONFIG_GPIO_FTGPIO010) += gpio-ftgpio010.o obj-$(CONFIG_GPIO_GE_FPGA) += gpio-ge.o -obj-$(CONFIG_GPIO_GEMINI) += gpio-gemini.o obj-$(CONFIG_GPIO_GPIO_MM) += gpio-gpio-mm.o obj-$(CONFIG_GPIO_GRGPIO) += gpio-grgpio.o obj-$(CONFIG_HTC_EGPIO) += gpio-htc-egpio.o diff --git a/drivers/gpio/gpio-gemini.c b/drivers/gpio/gpio-ftgpio010.c index 962485163b7f..e9386f8b67f5 100644 --- a/drivers/gpio/gpio-gemini.c +++ b/drivers/gpio/gpio-ftgpio010.c @@ -1,5 +1,5 @@ /* - * Gemini gpiochip and interrupt routines + * Faraday Technolog FTGPIO010 gpiochip and interrupt routines * Copyright (C) 2017 Linus Walleij <linus.walleij@linaro.org> * * Based on arch/arm/mach-gemini/gpio.c: @@ -35,28 +35,28 @@ #define GPIO_DEBOUNCE_PRESCALE 0x44 /** - * struct gemini_gpio - Gemini GPIO state container + * struct ftgpio_gpio - Gemini GPIO state container * @dev: containing device for this instance * @gc: gpiochip for this instance */ -struct gemini_gpio { +struct ftgpio_gpio { struct device *dev; struct gpio_chip gc; void __iomem *base; }; -static void gemini_gpio_ack_irq(struct irq_data *d) +static void ftgpio_gpio_ack_irq(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct gemini_gpio *g = gpiochip_get_data(gc); + struct ftgpio_gpio *g = gpiochip_get_data(gc); writel(BIT(irqd_to_hwirq(d)), g->base + GPIO_INT_CLR); } -static void gemini_gpio_mask_irq(struct irq_data *d) +static void ftgpio_gpio_mask_irq(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct gemini_gpio *g = gpiochip_get_data(gc); + struct ftgpio_gpio *g = gpiochip_get_data(gc); u32 val; val = readl(g->base + GPIO_INT_EN); @@ -64,10 +64,10 @@ static void gemini_gpio_mask_irq(struct irq_data *d) writel(val, g->base + GPIO_INT_EN); } -static void gemini_gpio_unmask_irq(struct irq_data *d) +static void ftgpio_gpio_unmask_irq(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct gemini_gpio *g = gpiochip_get_data(gc); + struct ftgpio_gpio *g = gpiochip_get_data(gc); u32 val; val = readl(g->base + GPIO_INT_EN); @@ -75,10 +75,10 @@ static void gemini_gpio_unmask_irq(struct irq_data *d) writel(val, g->base + GPIO_INT_EN); } -static int gemini_gpio_set_irq_type(struct irq_data *d, unsigned int type) +static int ftgpio_gpio_set_irq_type(struct irq_data *d, unsigned int type) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct gemini_gpio *g = gpiochip_get_data(gc); + struct ftgpio_gpio *g = gpiochip_get_data(gc); u32 mask = BIT(irqd_to_hwirq(d)); u32 reg_both, reg_level, reg_type; @@ -123,23 +123,23 @@ static int gemini_gpio_set_irq_type(struct irq_data *d, unsigned int type) writel(reg_level, g->base + GPIO_INT_LEVEL); writel(reg_both, g->base + GPIO_INT_BOTH_EDGE); - gemini_gpio_ack_irq(d); + ftgpio_gpio_ack_irq(d); return 0; } -static struct irq_chip gemini_gpio_irqchip = { - .name = "GPIO", - .irq_ack = gemini_gpio_ack_irq, - .irq_mask = gemini_gpio_mask_irq, - .irq_unmask = gemini_gpio_unmask_irq, - .irq_set_type = gemini_gpio_set_irq_type, +static struct irq_chip ftgpio_gpio_irqchip = { + .name = "FTGPIO010", + .irq_ack = ftgpio_gpio_ack_irq, + .irq_mask = ftgpio_gpio_mask_irq, + .irq_unmask = ftgpio_gpio_unmask_irq, + .irq_set_type = ftgpio_gpio_set_irq_type, }; -static void gemini_gpio_irq_handler(struct irq_desc *desc) +static void ftgpio_gpio_irq_handler(struct irq_desc *desc) { struct gpio_chip *gc = irq_desc_get_handler_data(desc); - struct gemini_gpio *g = gpiochip_get_data(gc); + struct ftgpio_gpio *g = gpiochip_get_data(gc); struct irq_chip *irqchip = irq_desc_get_chip(desc); int offset; unsigned long stat; @@ -155,11 +155,11 @@ static void gemini_gpio_irq_handler(struct irq_desc *desc) chained_irq_exit(irqchip, desc); } -static int gemini_gpio_probe(struct platform_device *pdev) +static int ftgpio_gpio_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct resource *res; - struct gemini_gpio *g; + struct ftgpio_gpio *g; int irq; int ret; @@ -189,7 +189,7 @@ static int gemini_gpio_probe(struct platform_device *pdev) dev_err(dev, "unable to init generic GPIO\n"); return ret; } - g->gc.label = "Gemini"; + g->gc.label = "FTGPIO010"; g->gc.base = -1; g->gc.parent = dev; g->gc.owner = THIS_MODULE; @@ -204,33 +204,39 @@ static int gemini_gpio_probe(struct platform_device *pdev) writel(0x0, g->base + GPIO_INT_MASK); writel(~0x0, g->base + GPIO_INT_CLR); - ret = gpiochip_irqchip_add(&g->gc, &gemini_gpio_irqchip, + ret = gpiochip_irqchip_add(&g->gc, &ftgpio_gpio_irqchip, 0, handle_bad_irq, IRQ_TYPE_NONE); if (ret) { dev_info(dev, "could not add irqchip\n"); return ret; } - gpiochip_set_chained_irqchip(&g->gc, &gemini_gpio_irqchip, - irq, gemini_gpio_irq_handler); + gpiochip_set_chained_irqchip(&g->gc, &ftgpio_gpio_irqchip, + irq, ftgpio_gpio_irq_handler); - dev_info(dev, "Gemini GPIO @%p registered\n", g->base); + dev_info(dev, "FTGPIO010 @%p registered\n", g->base); return 0; } -static const struct of_device_id gemini_gpio_of_match[] = { +static const struct of_device_id ftgpio_gpio_of_match[] = { { .compatible = "cortina,gemini-gpio", }, + { + .compatible = "moxa,moxart-gpio", + }, + { + .compatible = "faraday,ftgpio010", + }, {}, }; -static struct platform_driver gemini_gpio_driver = { +static struct platform_driver ftgpio_gpio_driver = { .driver = { - .name = "gemini-gpio", - .of_match_table = of_match_ptr(gemini_gpio_of_match), + .name = "ftgpio010-gpio", + .of_match_table = of_match_ptr(ftgpio_gpio_of_match), }, - .probe = gemini_gpio_probe, + .probe = ftgpio_gpio_probe, }; -builtin_platform_driver(gemini_gpio_driver); +builtin_platform_driver(ftgpio_gpio_driver); |