Message ID | 1312976100-27345-2-git-send-email-ajay.bhargav@einfochips.com |
---|---|
State | Superseded |
Headers | show |
> -----Original Message----- > From: Ajay Bhargav [mailto:ajay.bhargav@einfochips.com] > Sent: Wednesday, August 10, 2011 5:05 PM > To: Prafulla Wadaskar > Cc: u-boot@lists.denx.de; Ajay Bhargav > Subject: [PATCH v5 2/2] gpio: Add GPIO driver for Marvell SoC Armada100 > > This patch adds support for generic GPIO driver framework for Marvell > SoC Armada100. > > Signed-off-by: Ajay Bhargav <ajay.bhargav@einfochips.com> > --- > Changes for v2: > - Added function get_gpio_base > - GPIO base address added to armada100.h > Changes for v3: > - gpio register map moved to mvgpio.h > Changes for v4: > - updated gpio.h > - removed unwanted defines from armada100.h > Changes for v5: > - Coding Style cleanup > - added change history > > arch/arm/include/asm/arch-armada100/gpio.h | 46 > ++++++++++++++++++++++++++++ > 1 files changed, 46 insertions(+), 0 deletions(-) > create mode 100644 arch/arm/include/asm/arch-armada100/gpio.h > > diff --git a/arch/arm/include/asm/arch-armada100/gpio.h > b/arch/arm/include/asm/arch-armada100/gpio.h > new file mode 100644 > index 0000000..07c44e3 > --- /dev/null > +++ b/arch/arm/include/asm/arch-armada100/gpio.h > @@ -0,0 +1,46 @@ > +/* > + * (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 > + */ > + > +#ifndef _ASM_ARCH_GPIO_H > +#define _ASM_ARCH_GPIO_H > + > +#include <asm/types.h> > +#include <asm/arch/armada100.h> > +#include <mvgpio.h> > + > +#define GPIO_TO_REG(gp) (gp >> 5) > +#define GPIO_TO_BIT(gp) (1 << (gp & 0x1F)) > +#define GPIO_VAL(gp, val) ((val >> (gp & 0x1F)) & 0x01) > + > +static inline void *get_gpio_base(int bank) > +{ > + const unsigned int offset[4] = {0, 4, 8, 0x100}; > + /* gpio register bank offset - refer Appendix A.36 */ > + return (struct gpio_reg *)(ARMD1_GPIO_BASE + offset[bank]); > +} > + > +#endif /* _ASM_ARCH_GPIO_H */ > -- Acked-by: Prafulla Wadaskar <Prafulla@marvell.com> Regards.. Prafulla . . > 1.7.0.4
diff --git a/arch/arm/include/asm/arch-armada100/gpio.h b/arch/arm/include/asm/arch-armada100/gpio.h new file mode 100644 index 0000000..07c44e3 --- /dev/null +++ b/arch/arm/include/asm/arch-armada100/gpio.h @@ -0,0 +1,46 @@ +/* + * (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 + */ + +#ifndef _ASM_ARCH_GPIO_H +#define _ASM_ARCH_GPIO_H + +#include <asm/types.h> +#include <asm/arch/armada100.h> +#include <mvgpio.h> + +#define GPIO_TO_REG(gp) (gp >> 5) +#define GPIO_TO_BIT(gp) (1 << (gp & 0x1F)) +#define GPIO_VAL(gp, val) ((val >> (gp & 0x1F)) & 0x01) + +static inline void *get_gpio_base(int bank) +{ + const unsigned int offset[4] = {0, 4, 8, 0x100}; + /* gpio register bank offset - refer Appendix A.36 */ + return (struct gpio_reg *)(ARMD1_GPIO_BASE + offset[bank]); +} + +#endif /* _ASM_ARCH_GPIO_H */
This patch adds support for generic GPIO driver framework for Marvell SoC Armada100. Signed-off-by: Ajay Bhargav <ajay.bhargav@einfochips.com> --- Changes for v2: - Added function get_gpio_base - GPIO base address added to armada100.h Changes for v3: - gpio register map moved to mvgpio.h Changes for v4: - updated gpio.h - removed unwanted defines from armada100.h Changes for v5: - Coding Style cleanup - added change history arch/arm/include/asm/arch-armada100/gpio.h | 46 ++++++++++++++++++++++++++++ 1 files changed, 46 insertions(+), 0 deletions(-) create mode 100644 arch/arm/include/asm/arch-armada100/gpio.h