Channagoud Kadabi | f1692be | 2014-08-25 13:32:01 -0700 | [diff] [blame] | 1 | /* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved. |
Channagoud Kadabi | 33f7a87 | 2013-05-03 12:06:26 -0700 | [diff] [blame] | 2 | * |
| 3 | * Redistribution and use in source and binary forms, with or without |
| 4 | * modification, are permitted provided that the following conditions are |
| 5 | * met: |
| 6 | * * Redistributions of source code must retain the above copyright |
| 7 | * notice, this list of conditions and the following disclaimer. |
| 8 | * * Redistributions in binary form must reproduce the above |
| 9 | * copyright notice, this list of conditions and the following |
| 10 | * disclaimer in the documentation and/or other materials provided |
| 11 | * with the distribution. |
| 12 | * * Neither the name of The Linux Foundation nor the names of its |
| 13 | * contributors may be used to endorse or promote products derived |
| 14 | * from this software without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 18 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| 20 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 23 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| 25 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| 26 | * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
| 28 | |
| 29 | #include <debug.h> |
| 30 | #include <reg.h> |
| 31 | #include <bits.h> |
| 32 | #include <platform/iomap.h> |
| 33 | #include <gpio.h> |
| 34 | |
Aparna Mallavarapu | 6737502 | 2014-10-13 10:53:43 -0700 | [diff] [blame] | 35 | static void tlmm_set_pins(struct tlmm_cfgs *cfg) |
Channagoud Kadabi | 33f7a87 | 2013-05-03 12:06:26 -0700 | [diff] [blame] | 36 | { |
| 37 | uint32_t reg_val; |
| 38 | |
Channagoud Kadabi | f1692be | 2014-08-25 13:32:01 -0700 | [diff] [blame] | 39 | /* To support backward compatibility for this API |
| 40 | * If the reg is not passed then use SDC1 TLMM as |
| 41 | * the default value. |
| 42 | */ |
| 43 | if (!cfg->reg) |
| 44 | cfg->reg = SDC1_HDRV_PULL_CTL; |
| 45 | |
| 46 | reg_val = readl(cfg->reg); |
Channagoud Kadabi | 33f7a87 | 2013-05-03 12:06:26 -0700 | [diff] [blame] | 47 | |
| 48 | reg_val &= ~(cfg->mask << cfg->off); |
| 49 | |
| 50 | reg_val |= (cfg->val << cfg->off); |
| 51 | |
Channagoud Kadabi | f1692be | 2014-08-25 13:32:01 -0700 | [diff] [blame] | 52 | writel(reg_val, cfg->reg); |
Channagoud Kadabi | 33f7a87 | 2013-05-03 12:06:26 -0700 | [diff] [blame] | 53 | } |
| 54 | |
| 55 | void tlmm_set_hdrive_ctrl(struct tlmm_cfgs *hdrv_cfgs, uint8_t sz) |
| 56 | { |
| 57 | uint8_t i; |
| 58 | |
| 59 | for (i = 0; i < sz; i++) |
Aparna Mallavarapu | 6737502 | 2014-10-13 10:53:43 -0700 | [diff] [blame] | 60 | tlmm_set_pins(&hdrv_cfgs[i]); |
Channagoud Kadabi | 33f7a87 | 2013-05-03 12:06:26 -0700 | [diff] [blame] | 61 | } |
| 62 | |
| 63 | void tlmm_set_pull_ctrl(struct tlmm_cfgs *pull_cfgs, uint8_t sz) |
| 64 | { |
| 65 | uint8_t i; |
| 66 | |
| 67 | for (i = 0; i < sz; i++) |
Aparna Mallavarapu | 6737502 | 2014-10-13 10:53:43 -0700 | [diff] [blame] | 68 | tlmm_set_pins(&pull_cfgs[i]); |
Channagoud Kadabi | 33f7a87 | 2013-05-03 12:06:26 -0700 | [diff] [blame] | 69 | } |