Hi Ajay,
On Thu, Jul 21, 2011 at 1:39 PM, Ajay Bhargav ajay.bhargav@einfochips.com wrote:
This patch adds generic GPIO driver framework support for Marvell SoCs.
To enable GPIO driver define CONFIG_MV_GPIO and for GPIO commands define CONFIG_CMD_GPIO in your board configuration file.
Signed-off-by: Ajay Bhargav ajay.bhargav@einfochips.com
drivers/gpio/Makefile | 1 + drivers/gpio/mvgpio.c | 125 +++++++++++++++++++++++++++++++++++++++++++++++++ include/mvgpio.h | 52 ++++++++++++++++++++ 3 files changed, 178 insertions(+), 0 deletions(-) create mode 100644 drivers/gpio/mvgpio.c create mode 100644 include/mvgpio.h
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index 62ec97d..c6f652f 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -28,6 +28,7 @@ LIB := $(obj)libgpio.o COBJS-$(CONFIG_AT91_GPIO) += at91_gpio.o COBJS-$(CONFIG_KIRKWOOD_GPIO) += kw_gpio.o COBJS-$(CONFIG_MARVELL_MFP) += mvmfp.o +COBJS-$(CONFIG_MV_GPIO) += mvgpio.o COBJS-$(CONFIG_MXC_GPIO) += mxc_gpio.o COBJS-$(CONFIG_PCA953X) += pca953x.o COBJS-$(CONFIG_S5P) += s5p_gpio.o diff --git a/drivers/gpio/mvgpio.c b/drivers/gpio/mvgpio.c new file mode 100644 index 0000000..d64f0db --- /dev/null +++ b/drivers/gpio/mvgpio.c @@ -0,0 +1,125 @@ +/*
- (C) Copyright 2011
- eInfochips Ltd. <www.einfochips.com>
- Written-by: Ajay Bhargav ajay.bhargav@einfochips.com
- (C) Copyright 2010
- Marvell Semiconductor <www.marvell.com>
- See file CREDITS for list of people who contributed to this
- project.
- 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; either version 2 of
- the License, or (at your option) any later version.
- 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.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- MA 02110-1301 USA
- */
+#include <common.h> +#include <asm/io.h> +#include <asm/errno.h> +#include <asm/gpio.h>
+char gpio_names[MV_MAX_GPIO][GPIO_LABEL_MAX];
+static int get_gpio_base(int bank) +{
- switch (bank) {
- case 0:
- return GPIO_BANK0_BASE;
- case 1:
- return GPIO_BANK1_BASE;
- case 2:
- return GPIO_BANK2_BASE;
- case 3:
- return GPIO_BANK3_BASE;
- }
- return 0;
+}
Please put this get_gpio_base into arch's self directory, since different soc may have different number of banks. For example, mmp3 has 6 banks.
Best regards, Lei