| Vadim Bendebury | 476f731 | 2014-04-08 18:45:46 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2011-2012, Code Aurora Forum. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * * Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * * Redistributions in binary form must reproduce the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer in |
| 11 | * the documentation and/or other materials provided with the |
| 12 | * distribution. |
| 13 | * * Neither the name of Google, Inc. nor the names of its contributors |
| 14 | * may be used to endorse or promote products derived from this |
| 15 | * software without specific prior written permission. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 18 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 19 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 20 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 21 | * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 23 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| 24 | * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| 25 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 26 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| 27 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 28 | * SUCH DAMAGE. |
| 29 | */ |
| 30 | |
| 31 | #include <asm/arch-ipq806x/iomap.h> |
| 32 | #include <asm/arch-ipq806x/gpio.h> |
| 33 | #include <asm/io.h> |
| 34 | |
| 35 | /******************************************************* |
| 36 | Function description: configure GPIO functinality |
| 37 | Arguments : |
| 38 | unsigned int gpio - Gpio number |
| 39 | unsigned int func - Functionality number |
| 40 | unsigned int dir - direction 0- i/p, 1- o/p |
| 41 | unsigned int pull - pull up/down, no pull range(0-3) |
| 42 | unsigned int drvstr - range (0 - 7)-> (2- 16)MA steps of 2 |
| 43 | unsigned int enable - 1 - Disable, 2- Enable. |
| 44 | |
| 45 | Return : None |
| 46 | *******************************************************/ |
| 47 | |
| 48 | |
| 49 | void gpio_tlmm_config(unsigned int gpio, unsigned int func, |
| 50 | unsigned int dir, unsigned int pull, |
| 51 | unsigned int drvstr, unsigned int enable) |
| 52 | { |
| 53 | unsigned int val = 0; |
| 54 | val |= pull; |
| 55 | val |= func << 2; |
| 56 | val |= drvstr << 6; |
| 57 | val |= enable << 9; |
| 58 | unsigned int *addr = (unsigned int *)GPIO_CONFIG_ADDR(gpio); |
| 59 | writel(val, addr); |
| 60 | return; |
| 61 | } |
| 62 | |