gpio: moxart: Switch to using the FTGPIO010 driver

This just deletes the Moxa ART driver and replaces it with the
more versatile Faraday FTGPIO010 driver.

Make this default on for ARCH_GEMINI and ARCH_MOXART so we do
not get Kconfig glitches.

Tested-by: Jonas Jensen <jonas.jensen@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 2c3f639..d6e3cfd 100644 (file)
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -206,10 +206,10 @@ config GPIO_GE_FPGA
 
 config GPIO_FTGPIO010
        bool "Faraday FTGPIO010 GPIO"
-       depends on ARCH_GEMINI
        depends on OF_GPIO
        select GPIO_GENERIC
        select GPIOLIB_IRQCHIP
+       default (ARCH_GEMINI || ARCH_MOXART)
        help
          Support for common GPIOs from the Faraday FTGPIO010 IP core, found in
          Cortina systems Gemini platforms, Moxa ART and others.
@@ -309,14 +309,6 @@ config GPIO_MOCKUP
          tools/testing/selftests/gpio/gpio-mockup.sh. Reference the usage in
          it.
 
-config GPIO_MOXART
-       bool "MOXART GPIO support"
-       depends on ARCH_MOXART || COMPILE_TEST
-       select GPIO_GENERIC
-       help
-         Select this option to enable GPIO driver for
-         MOXA ART SoC devices.
-
 config GPIO_MPC5200
        def_bool y
        depends on PPC_MPC52xx

diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 4b904fe..bd995dc 100644 (file)
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -80,7 +80,6 @@ obj-$(CONFIG_GPIO_MCP23S08)   += gpio-mcp23s08.o
 obj-$(CONFIG_GPIO_ML_IOH)      += gpio-ml-ioh.o
 obj-$(CONFIG_GPIO_MM_LANTIQ)   += gpio-mm-lantiq.o
 obj-$(CONFIG_GPIO_MOCKUP)      += gpio-mockup.o
-obj-$(CONFIG_GPIO_MOXART)      += gpio-moxart.o
 obj-$(CONFIG_GPIO_MPC5200)     += gpio-mpc5200.o
 obj-$(CONFIG_GPIO_MPC8XXX)     += gpio-mpc8xxx.o
 obj-$(CONFIG_GPIO_MSIC)                += gpio-msic.o

diff --git a/drivers/gpio/gpio-moxart.c b/drivers/gpio/gpio-moxart.c
deleted file mode 100644 (file)
index d58d389..0000000
--- a/drivers/gpio/gpio-moxart.c
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * MOXA ART SoCs GPIO driver.
- *
- * Copyright (C) 2013 Jonas Jensen
- *
- * Jonas Jensen <jonas.jensen@gmail.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2.  This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#include <linux/err.h>
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-#include <linux/platform_device.h>
-#include <linux/of_address.h>
-#include <linux/of_gpio.h>
-#include <linux/pinctrl/consumer.h>
-#include <linux/delay.h>
-#include <linux/timer.h>
-#include <linux/bitops.h>
-#include <linux/gpio/driver.h>
-
-#define GPIO_DATA_OUT          0x00
-#define GPIO_DATA_IN           0x04
-#define GPIO_PIN_DIRECTION     0x08
-
-static int moxart_gpio_probe(struct platform_device *pdev)
-{
-       struct device *dev = &pdev->dev;
-       struct resource *res;
-       struct gpio_chip *gc;
-       void __iomem *base;
-       int ret;
-
-       gc = devm_kzalloc(dev, sizeof(*gc), GFP_KERNEL);
-       if (!gc)
-               return -ENOMEM;
-
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       base = devm_ioremap_resource(dev, res);
-       if (IS_ERR(base))
-               return PTR_ERR(base);
-
-       ret = bgpio_init(gc, dev, 4, base + GPIO_DATA_IN,
-                        base + GPIO_DATA_OUT, NULL,
-                        base + GPIO_PIN_DIRECTION, NULL,
-                        BGPIOF_READ_OUTPUT_REG_SET);
-       if (ret) {
-               dev_err(&pdev->dev, "bgpio_init failed\n");
-               return ret;
-       }
-
-       gc->label = "moxart-gpio";
-       gc->request = gpiochip_generic_request;
-       gc->free = gpiochip_generic_free;
-       gc->base = 0;
-       gc->owner = THIS_MODULE;
-
-       ret = devm_gpiochip_add_data(dev, gc, NULL);
-       if (ret) {
-               dev_err(dev, "%s: gpiochip_add failed\n",
-                       dev->of_node->full_name);
-               return ret;
-       }
-
-       return ret;
-}
-
-static const struct of_device_id moxart_gpio_match[] = {
-       { .compatible = "moxa,moxart-gpio" },
-       { }
-};
-
-static struct platform_driver moxart_gpio_driver = {
-       .driver = {
-               .name           = "moxart-gpio",
-               .of_match_table = moxart_gpio_match,
-       },
-       .probe  = moxart_gpio_probe,
-};
-builtin_platform_driver(moxart_gpio_driver);