-----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