| /* |
| * Structures and registers for GPIO access in the Nomadik SoC |
| * |
| * Code ported from Nomadik GPIO driver in ST-Ericsson Linux kernel code. |
| * The purpose is that GPIO config found in kernel should work by simply |
| * copy-paste it to U-boot. |
| * |
| * Ported to U-boot by: |
| * Copyright (C) 2010 Joakim Axelsson <joakim.axelsson AT stericsson.com> |
| * Copyright (C) 2008 STMicroelectronics |
| * Author: Prafulla WADASKAR <prafulla.wadaskar@st.com> |
| * Copyright (C) 2009 Alessandro Rubini <rubini@unipv.it> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| #ifndef __DB8500_GPIO_H__ |
| #define __DB8500_GPIO_H__ |
| |
| /* Alternate functions: function C is set in hw by setting both A and B */ |
| enum db8500_gpio_alt { |
| DB8500_GPIO_ALT_GPIO = 0, |
| DB8500_GPIO_ALT_A = 1, |
| DB8500_GPIO_ALT_B = 2, |
| DB8500_GPIO_ALT_C = (DB8500_GPIO_ALT_A | DB8500_GPIO_ALT_B) |
| }; |
| |
| enum db8500_gpio_pull { |
| DB8500_GPIO_PULL_NONE, |
| DB8500_GPIO_PULL_UP, |
| DB8500_GPIO_PULL_DOWN |
| }; |
| |
| void db8500_gpio_set_pull(unsigned gpio, enum db8500_gpio_pull pull); |
| void db8500_gpio_make_input(unsigned gpio); |
| int db8500_gpio_get_input(unsigned gpio); |
| void db8500_gpio_make_output(unsigned gpio, int val); |
| void db8500_gpio_set_output(unsigned gpio, int val); |
| |
| #endif /* __DB8500_GPIO_H__ */ |
