redonkable
/
remarkable-linux
1
0
Fork 0
Code Releases Activity

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>
zero-colors
Linus Walleij 2017-03-13 00:28:17 +01:00
parent 9d3a15aaae
commit d8307c0920
3 changed files with 1 additions and 94 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/gpio/Kconfig
View File

@ -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

1
drivers/gpio/Makefile
View File

@ -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

84
drivers/gpio/gpio-moxart.c
View File

@ -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);