336 lines
8.8 KiB
C
336 lines
8.8 KiB
C
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/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <debug.h>
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#include <reg.h>
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#include <platform/iomap.h>
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#include <platform/gpio.h>
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#include <gsbi.h>
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#include <dev/pm8921.h>
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#include <sys/types.h>
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#include <smem.h>
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void gpio_tlmm_config(uint32_t gpio, uint8_t func,
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uint8_t dir, uint8_t pull,
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uint8_t drvstr, uint32_t enable)
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{
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unsigned int val = 0;
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val |= pull;
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val |= func << 2;
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val |= drvstr << 6;
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val |= enable << 9;
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unsigned int *addr = (unsigned int *)GPIO_CONFIG_ADDR(gpio);
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writel(val, addr);
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return;
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}
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void gpio_set(uint32_t gpio, uint32_t dir)
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{
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unsigned int *addr = (unsigned int *)GPIO_IN_OUT_ADDR(gpio);
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writel(dir, addr);
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return;
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}
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/* TODO: this and other code below in this file should ideally by in target dir.
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* keeping it here for this brigup.
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*/
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/* Configure gpio for uart - based on gsbi id */
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void gpio_config_uart_dm(uint8_t id)
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{
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if(board_platform_id() == MPQ8064)
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{
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switch (id) {
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case GSBI_ID_5:
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/* configure rx gpio */
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gpio_tlmm_config(52, 2, GPIO_INPUT, GPIO_NO_PULL,
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GPIO_8MA, GPIO_DISABLE);
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/* configure tx gpio */
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gpio_tlmm_config(51, 2, GPIO_OUTPUT, GPIO_NO_PULL,
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GPIO_8MA, GPIO_DISABLE);
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break;
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default:
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ASSERT(0);
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}
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}
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else if((board_platform_id() == APQ8064) ||
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(board_platform_id() == APQ8064AA) ||
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(board_platform_id() == APQ8064AB))
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{
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switch (id) {
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case GSBI_ID_1:
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/* configure rx gpio */
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gpio_tlmm_config(19, 1, GPIO_INPUT, GPIO_NO_PULL,
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GPIO_8MA, GPIO_DISABLE);
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/* configure tx gpio */
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gpio_tlmm_config(18, 1, GPIO_OUTPUT, GPIO_NO_PULL,
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GPIO_8MA, GPIO_DISABLE);
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break;
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case GSBI_ID_2:
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/* configure rx gpio */
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gpio_tlmm_config(22, 1, GPIO_INPUT, GPIO_NO_PULL,
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GPIO_8MA, GPIO_DISABLE);
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/* configure tx gpio */
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gpio_tlmm_config(23, 1, GPIO_OUTPUT, GPIO_NO_PULL,
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GPIO_8MA, GPIO_DISABLE);
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break;
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case GSBI_ID_7:
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/* configure rx gpio */
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gpio_tlmm_config(83, 1, GPIO_INPUT, GPIO_NO_PULL,
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GPIO_8MA, GPIO_DISABLE);
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/* configure tx gpio */
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gpio_tlmm_config(82, 2, GPIO_OUTPUT, GPIO_NO_PULL,
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GPIO_8MA, GPIO_DISABLE);
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break;
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default:
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ASSERT(0);
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}
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}
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else
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{
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switch (id) {
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case GSBI_ID_3:
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/* configure rx gpio */
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gpio_tlmm_config(15, 1, GPIO_INPUT, GPIO_NO_PULL,
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GPIO_8MA, GPIO_DISABLE);
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/* configure tx gpio */
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gpio_tlmm_config(14, 1, GPIO_OUTPUT, GPIO_NO_PULL,
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GPIO_8MA, GPIO_DISABLE);
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break;
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case GSBI_ID_5:
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/* configure rx gpio */
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gpio_tlmm_config(23, 1, GPIO_INPUT, GPIO_NO_PULL,
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GPIO_8MA, GPIO_DISABLE);
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/* configure tx gpio */
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gpio_tlmm_config(22, 1, GPIO_OUTPUT, GPIO_NO_PULL,
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GPIO_8MA, GPIO_DISABLE);
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break;
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case GSBI_ID_8:
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/* configure rx gpio */
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gpio_tlmm_config(35, 1, GPIO_INPUT, GPIO_NO_PULL,
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GPIO_8MA, GPIO_DISABLE);
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/* configure tx gpio */
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gpio_tlmm_config(34, 1, GPIO_OUTPUT, GPIO_NO_PULL,
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GPIO_8MA, GPIO_DISABLE);
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break;
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default:
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ASSERT(0);
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}
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}
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}
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struct pm8xxx_gpio_init {
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uint32_t gpio;
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struct pm8921_gpio config;
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};
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#define PM8XXX_GPIO_INIT(_gpio, _dir, _buf, _val, _pull, _vin, _out_strength, \
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_func, _inv, _disable) \
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{ \
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.gpio = _gpio, \
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.config = { \
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.direction = _dir, \
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.output_buffer = _buf, \
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.output_value = _val, \
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.pull = _pull, \
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.vin_sel = _vin, \
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.out_strength = _out_strength, \
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.function = _func, \
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.inv_int_pol = _inv, \
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.disable_pin = _disable, \
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} \
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}
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#define PM8XXX_GPIO_OUTPUT(_gpio, _val) \
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PM8XXX_GPIO_INIT(_gpio, PM_GPIO_DIR_OUT, 0, _val, \
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PM_GPIO_PULL_NO, 2, \
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PM_GPIO_STRENGTH_HIGH, \
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PM_GPIO_FUNC_NORMAL, 1, 0)
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#define PM8XXX_GPIO_INPUT(_gpio, _pull) \
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PM8XXX_GPIO_INIT(_gpio, PM_GPIO_DIR_IN, 0, 0, \
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_pull, 2, \
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PM_GPIO_STRENGTH_NO, \
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PM_GPIO_FUNC_NORMAL, 1, 0)
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/* Initial pm8038 GPIO configurations */
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static struct pm8xxx_gpio_init pm8038_keypad_gpios[] = {
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/* keys GPIOs */
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PM8XXX_GPIO_INPUT(PM_GPIO(3), PM_GPIO_PULL_UP_30),
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PM8XXX_GPIO_INPUT(PM_GPIO(8), PM_GPIO_PULL_UP_30),
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PM8XXX_GPIO_INPUT(PM_GPIO(10), PM_GPIO_PULL_UP_30),
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PM8XXX_GPIO_INPUT(PM_GPIO(11), PM_GPIO_PULL_UP_30),
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};
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static struct pm8xxx_gpio_init pm8921_keypad_gpios[] = {
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/* keys GPIOs */
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PM8XXX_GPIO_INPUT(PM_GPIO(1), PM_GPIO_PULL_UP_31_5),
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PM8XXX_GPIO_INPUT(PM_GPIO(2), PM_GPIO_PULL_UP_31_5),
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PM8XXX_GPIO_INPUT(PM_GPIO(3), PM_GPIO_PULL_UP_31_5),
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PM8XXX_GPIO_INPUT(PM_GPIO(4), PM_GPIO_PULL_UP_31_5),
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PM8XXX_GPIO_INPUT(PM_GPIO(5), PM_GPIO_PULL_UP_31_5),
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PM8XXX_GPIO_OUTPUT(PM_GPIO(9), 0),
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};
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/* pm8921 GPIO configuration for APQ8064 keypad */
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static struct pm8xxx_gpio_init pm8921_keypad_gpios_apq[] = {
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/* keys GPIOs */
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PM8XXX_GPIO_INPUT(PM_GPIO(35), PM_GPIO_PULL_UP_31_5),
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PM8XXX_GPIO_INPUT(PM_GPIO(38), PM_GPIO_PULL_UP_31_5),
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PM8XXX_GPIO_OUTPUT(PM_GPIO(9), 0),
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};
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/* pm8917 GPIO configuration for APQ8064 keypad */
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static struct pm8xxx_gpio_init pm8917_keypad_gpios_apq[] = {
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/* keys GPIOs */
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PM8XXX_GPIO_INPUT(PM_GPIO(35), PM_GPIO_PULL_UP_31_5),
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PM8XXX_GPIO_INPUT(PM_GPIO(30), PM_GPIO_PULL_UP_31_5),
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PM8XXX_GPIO_OUTPUT(PM_GPIO(9), 0),
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};
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/* pm8917 GPIO configuration for MSM8930 keypad */
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static struct pm8xxx_gpio_init pm8917_keypad_gpios[] = {
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/* keys GPIOs */
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PM8XXX_GPIO_INPUT(PM_GPIO(27), PM_GPIO_PULL_UP_30),
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PM8XXX_GPIO_INPUT(PM_GPIO(28), PM_GPIO_PULL_UP_30),
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PM8XXX_GPIO_INPUT(PM_GPIO(36), PM_GPIO_PULL_UP_30),
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PM8XXX_GPIO_INPUT(PM_GPIO(37), PM_GPIO_PULL_UP_30),
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};
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void msm8960_keypad_gpio_init()
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{
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int i = 0;
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int num = 0;
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num = ARRAY_SIZE(pm8921_keypad_gpios);
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for(i=0; i < num; i++)
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{
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pm8921_gpio_config(pm8921_keypad_gpios[i].gpio,
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&(pm8921_keypad_gpios[i].config));
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}
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}
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void msm8930_keypad_gpio_init()
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{
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int i = 0;
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int num = 0;
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struct pm8xxx_gpio_init *gpio_array;
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if (platform_pmic_type(PMIC_IS_PM8917))
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{
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num = ARRAY_SIZE(pm8917_keypad_gpios);
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gpio_array = pm8917_keypad_gpios;
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}
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else
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{
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num = ARRAY_SIZE(pm8038_keypad_gpios);
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gpio_array = pm8038_keypad_gpios;
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}
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for(i=0; i < num; i++)
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{
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pm8921_gpio_config(gpio_array[i].gpio,
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&(gpio_array[i].config));
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}
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}
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void apq8064_keypad_gpio_init()
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{
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int i = 0;
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int num = 0;
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struct pm8xxx_gpio_init *gpio_array;
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if (platform_pmic_type(PMIC_IS_PM8917))
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{
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num = ARRAY_SIZE(pm8917_keypad_gpios_apq);
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gpio_array = pm8917_keypad_gpios_apq;
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}
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else
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{
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num = ARRAY_SIZE(pm8921_keypad_gpios_apq);
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gpio_array = pm8921_keypad_gpios_apq;
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}
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for(i = 0; i < num; i++)
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{
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pm8921_gpio_config(gpio_array[i].gpio,
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&(gpio_array[i].config));
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}
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}
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#define PM8921_GPIO_OUTPUT_FUNC(_gpio, _val, _func) \
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PM8XXX_GPIO_INIT(_gpio, PM_GPIO_DIR_OUT, 0, _val, \
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PM_GPIO_PULL_NO, 2, \
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PM_GPIO_STRENGTH_HIGH, \
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_func, 0, 0)
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#define PM8921_GPIO_OUTPUT_BUFCONF(_gpio, _val, _strength, _bufconf) \
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PM8XXX_GPIO_INIT(_gpio, PM_GPIO_DIR_OUT,\
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PM_GPIO_OUT_BUF_##_bufconf, _val, \
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PM_GPIO_PULL_NO, 2, \
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PM_GPIO_STRENGTH_##_strength, \
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PM_GPIO_FUNC_NORMAL, 0, 0)
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static struct pm8xxx_gpio_init pm8921_display_gpios_apq[] = {
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/* Display GPIOs */
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/* Bl: ON, PWM mode */
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PM8921_GPIO_OUTPUT_FUNC(PM_GPIO(26), 1, PM_GPIO_FUNC_2),
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/* LCD1_PWR_EN_N */
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PM8921_GPIO_OUTPUT_BUFCONF(PM_GPIO(36), 0, LOW, OPEN_DRAIN),
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/* DISP_RESET_N */
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PM8921_GPIO_OUTPUT_BUFCONF(PM_GPIO(25), 1, LOW, CMOS),
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};
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void apq8064_display_gpio_init()
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{
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int i = 0;
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int num = 0;
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num = ARRAY_SIZE(pm8921_display_gpios_apq);
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for (i = 0; i < num; i++) {
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pm8921_gpio_config(pm8921_display_gpios_apq[i].gpio,
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&(pm8921_display_gpios_apq[i].config));
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}
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}
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