[U-Boot] [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 */
-----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
participants (2)
-
Ajay Bhargav -
Prafulla Wadaskar