diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpio/gpio-ge.c (renamed from arch/powerpc/platforms/86xx/gef_gpio.c) | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/86xx/gef_gpio.c b/drivers/gpio/gpio-ge.c index 2a703365e664..7b95a4a8318c 100644 --- a/arch/powerpc/platforms/86xx/gef_gpio.c +++ b/drivers/gpio/gpio-ge.c @@ -14,7 +14,7 @@ * * Configuration of output modes (totem-pole/open-drain) * Interrupt configuration - interrupts are always generated the FPGA relies on - * the I/O interrupt controllers mask to stop them propergating + * the I/O interrupt controllers mask to stop them propergating */ #include <linux/kernel.h> @@ -162,6 +162,34 @@ static int __init gef_gpio_init(void) } } + for_each_compatible_node(np, NULL, "ge,imp3a-gpio") { + + pr_debug("%s: Initialising GE GPIO\n", np->full_name); + + /* Allocate chip structure */ + gef_gpio_chip = kzalloc(sizeof(*gef_gpio_chip), GFP_KERNEL); + if (!gef_gpio_chip) { + pr_err("%s: Unable to allocate structure\n", + np->full_name); + continue; + } + + /* Setup pointers to chip functions */ + gef_gpio_chip->gc.of_gpio_n_cells = 2; + gef_gpio_chip->gc.ngpio = 16; + gef_gpio_chip->gc.direction_input = gef_gpio_dir_in; + gef_gpio_chip->gc.direction_output = gef_gpio_dir_out; + gef_gpio_chip->gc.get = gef_gpio_get; + gef_gpio_chip->gc.set = gef_gpio_set; + + /* This function adds a memory mapped GPIO chip */ + retval = of_mm_gpiochip_add(np, gef_gpio_chip); + if (retval) { + kfree(gef_gpio_chip); + pr_err("%s: Unable to add GPIO\n", np->full_name); + } + } + return 0; }; arch_initcall(gef_gpio_init); |