From dca7cf33bb5c98187ffcc849652b1b2c4c8a0c25 Mon Sep 17 00:00:00 2001 From: "sfking@fdwdc.com" Date: Fri, 19 Jun 2009 18:11:11 -0700 Subject: generic GPIO support for the Freescale Coldfire 5407. Add support for the 5407. Signed-off-by: Steven King Signed-off-by: Greg Ungerer --- arch/m68knommu/platform/5407/Makefile | 2 +- arch/m68knommu/platform/5407/gpio.c | 49 +++++++++++++++++++++++++++++++++++ 2 files changed, 50 insertions(+), 1 deletion(-) create mode 100644 arch/m68knommu/platform/5407/gpio.c (limited to 'arch/m68knommu') diff --git a/arch/m68knommu/platform/5407/Makefile b/arch/m68knommu/platform/5407/Makefile index e6035e7a2d3f..dee62c5dbaa6 100644 --- a/arch/m68knommu/platform/5407/Makefile +++ b/arch/m68knommu/platform/5407/Makefile @@ -14,5 +14,5 @@ asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1 -obj-y := config.o +obj-y := config.o gpio.o diff --git a/arch/m68knommu/platform/5407/gpio.c b/arch/m68knommu/platform/5407/gpio.c new file mode 100644 index 000000000000..8da5880e4066 --- /dev/null +++ b/arch/m68knommu/platform/5407/gpio.c @@ -0,0 +1,49 @@ +/* + * Coldfire generic GPIO support + * + * (C) Copyright 2009, Steven King + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. +*/ + +#include +#include + +#include +#include +#include + +static struct mcf_gpio_chip mcf_gpio_chips[] = { + { + .gpio_chip = { + .label = "PP", + .request = mcf_gpio_request, + .free = mcf_gpio_free, + .direction_input = mcf_gpio_direction_input, + .direction_output = mcf_gpio_direction_output, + .get = mcf_gpio_get_value, + .set = mcf_gpio_set_value, + .ngpio = 16, + }, + .pddr = MCFSIM_PADDR, + .podr = MCFSIM_PADAT, + .ppdr = MCFSIM_PADAT, + }, +}; + +static int __init mcf_gpio_init(void) +{ + unsigned i = 0; + while (i < ARRAY_SIZE(mcf_gpio_chips)) + (void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]); + return 0; +} + +core_initcall(mcf_gpio_init); -- cgit v1.2.3-59-g8ed1b