M7350/bootable/bootloader/lk/platform/msm_shared/gpio.c
2024-09-09 08:52:07 +00:00

63 lines
2.1 KiB
C

/* Copyright (c) 2013, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <debug.h>
#include <reg.h>
#include <bits.h>
#include <platform/iomap.h>
#include <gpio.h>
static void tlmm_set_sdc_pins(struct tlmm_cfgs *cfg)
{
uint32_t reg_val;
reg_val = readl(SDC1_HDRV_PULL_CTL);
reg_val &= ~(cfg->mask << cfg->off);
reg_val |= (cfg->val << cfg->off);
writel(reg_val, SDC1_HDRV_PULL_CTL);
}
void tlmm_set_hdrive_ctrl(struct tlmm_cfgs *hdrv_cfgs, uint8_t sz)
{
uint8_t i;
for (i = 0; i < sz; i++)
tlmm_set_sdc_pins(&hdrv_cfgs[i]);
}
void tlmm_set_pull_ctrl(struct tlmm_cfgs *pull_cfgs, uint8_t sz)
{
uint8_t i;
for (i = 0; i < sz; i++)
tlmm_set_sdc_pins(&pull_cfgs[i]);
}