| /* Copyright (c) 2012-2013, 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 <platform/iomap.h> |
| #include <platform/gpio.h> |
| #include <gsbi.h> |
| #include <dev/pm8921.h> |
| #include <sys/types.h> |
| #include <smem.h> |
| |
| void gpio_tlmm_config(uint32_t gpio, uint8_t func, |
| uint8_t dir, uint8_t pull, |
| uint8_t drvstr, uint32_t enable) |
| { |
| unsigned int val = 0; |
| val |= pull; |
| val |= func << 2; |
| val |= drvstr << 6; |
| val |= enable << 9; |
| unsigned int *addr = (unsigned int *)GPIO_CONFIG_ADDR(gpio); |
| writel(val, addr); |
| return; |
| } |
| |
| void gpio_set(uint32_t gpio, uint32_t dir) |
| { |
| unsigned int *addr = (unsigned int *)GPIO_IN_OUT_ADDR(gpio); |
| writel(dir, addr); |
| return; |
| } |
| |
| /* TODO: this and other code below in this file should ideally by in target dir. |
| * keeping it here for this brigup. |
| */ |
| |
| /* Configure gpio for uart - based on gsbi id */ |
| void gpio_config_uart_dm(uint8_t id) |
| { |
| if(board_platform_id() == MPQ8064) |
| { |
| switch (id) { |
| |
| case GSBI_ID_5: |
| /* configure rx gpio */ |
| gpio_tlmm_config(52, 2, GPIO_INPUT, GPIO_NO_PULL, |
| GPIO_8MA, GPIO_DISABLE); |
| /* configure tx gpio */ |
| gpio_tlmm_config(51, 2, GPIO_OUTPUT, GPIO_NO_PULL, |
| GPIO_8MA, GPIO_DISABLE); |
| break; |
| |
| default: |
| ASSERT(0); |
| } |
| } |
| else if((board_platform_id() == APQ8064) || |
| (board_platform_id() == APQ8064AA) || |
| (board_platform_id() == APQ8064AB)) |
| { |
| switch (id) { |
| |
| case GSBI_ID_1: |
| /* configure rx gpio */ |
| gpio_tlmm_config(19, 1, GPIO_INPUT, GPIO_NO_PULL, |
| GPIO_8MA, GPIO_DISABLE); |
| /* configure tx gpio */ |
| gpio_tlmm_config(18, 1, GPIO_OUTPUT, GPIO_NO_PULL, |
| GPIO_8MA, GPIO_DISABLE); |
| break; |
| |
| case GSBI_ID_2: |
| /* configure rx gpio */ |
| gpio_tlmm_config(22, 1, GPIO_INPUT, GPIO_NO_PULL, |
| GPIO_8MA, GPIO_DISABLE); |
| /* configure tx gpio */ |
| gpio_tlmm_config(23, 1, GPIO_OUTPUT, GPIO_NO_PULL, |
| GPIO_8MA, GPIO_DISABLE); |
| break; |
| |
| |
| case GSBI_ID_7: |
| /* configure rx gpio */ |
| gpio_tlmm_config(83, 1, GPIO_INPUT, GPIO_NO_PULL, |
| GPIO_8MA, GPIO_DISABLE); |
| /* configure tx gpio */ |
| gpio_tlmm_config(82, 2, GPIO_OUTPUT, GPIO_NO_PULL, |
| GPIO_8MA, GPIO_DISABLE); |
| break; |
| |
| default: |
| ASSERT(0); |
| } |
| } |
| else |
| { |
| switch (id) { |
| |
| case GSBI_ID_3: |
| /* configure rx gpio */ |
| gpio_tlmm_config(15, 1, GPIO_INPUT, GPIO_NO_PULL, |
| GPIO_8MA, GPIO_DISABLE); |
| /* configure tx gpio */ |
| gpio_tlmm_config(14, 1, GPIO_OUTPUT, GPIO_NO_PULL, |
| GPIO_8MA, GPIO_DISABLE); |
| break; |
| |
| case GSBI_ID_5: |
| /* configure rx gpio */ |
| gpio_tlmm_config(23, 1, GPIO_INPUT, GPIO_NO_PULL, |
| GPIO_8MA, GPIO_DISABLE); |
| /* configure tx gpio */ |
| gpio_tlmm_config(22, 1, GPIO_OUTPUT, GPIO_NO_PULL, |
| GPIO_8MA, GPIO_DISABLE); |
| break; |
| |
| case GSBI_ID_8: |
| /* configure rx gpio */ |
| gpio_tlmm_config(35, 1, GPIO_INPUT, GPIO_NO_PULL, |
| GPIO_8MA, GPIO_DISABLE); |
| /* configure tx gpio */ |
| gpio_tlmm_config(34, 1, GPIO_OUTPUT, GPIO_NO_PULL, |
| GPIO_8MA, GPIO_DISABLE); |
| break; |
| |
| default: |
| ASSERT(0); |
| } |
| } |
| } |
| |
| struct pm8xxx_gpio_init { |
| uint32_t gpio; |
| struct pm8921_gpio config; |
| }; |
| |
| #define PM8XXX_GPIO_INIT(_gpio, _dir, _buf, _val, _pull, _vin, _out_strength, \ |
| _func, _inv, _disable) \ |
| { \ |
| .gpio = _gpio, \ |
| .config = { \ |
| .direction = _dir, \ |
| .output_buffer = _buf, \ |
| .output_value = _val, \ |
| .pull = _pull, \ |
| .vin_sel = _vin, \ |
| .out_strength = _out_strength, \ |
| .function = _func, \ |
| .inv_int_pol = _inv, \ |
| .disable_pin = _disable, \ |
| } \ |
| } |
| |
| #define PM8XXX_GPIO_OUTPUT(_gpio, _val) \ |
| PM8XXX_GPIO_INIT(_gpio, PM_GPIO_DIR_OUT, 0, _val, \ |
| PM_GPIO_PULL_NO, 2, \ |
| PM_GPIO_STRENGTH_HIGH, \ |
| PM_GPIO_FUNC_NORMAL, 1, 0) |
| |
| |
| #define PM8XXX_GPIO_INPUT(_gpio, _pull) \ |
| PM8XXX_GPIO_INIT(_gpio, PM_GPIO_DIR_IN, 0, 0, \ |
| _pull, 2, \ |
| PM_GPIO_STRENGTH_NO, \ |
| PM_GPIO_FUNC_NORMAL, 1, 0) |
| |
| /* Initial pm8038 GPIO configurations */ |
| static struct pm8xxx_gpio_init pm8038_keypad_gpios[] = { |
| /* keys GPIOs */ |
| PM8XXX_GPIO_INPUT(PM_GPIO(3), PM_GPIO_PULL_UP_30), |
| PM8XXX_GPIO_INPUT(PM_GPIO(8), PM_GPIO_PULL_UP_30), |
| PM8XXX_GPIO_INPUT(PM_GPIO(10), PM_GPIO_PULL_UP_30), |
| PM8XXX_GPIO_INPUT(PM_GPIO(11), PM_GPIO_PULL_UP_30), |
| }; |
| |
| static struct pm8xxx_gpio_init pm8921_keypad_gpios[] = { |
| /* keys GPIOs */ |
| PM8XXX_GPIO_INPUT(PM_GPIO(1), PM_GPIO_PULL_UP_31_5), |
| PM8XXX_GPIO_INPUT(PM_GPIO(2), PM_GPIO_PULL_UP_31_5), |
| PM8XXX_GPIO_INPUT(PM_GPIO(3), PM_GPIO_PULL_UP_31_5), |
| PM8XXX_GPIO_INPUT(PM_GPIO(4), PM_GPIO_PULL_UP_31_5), |
| PM8XXX_GPIO_INPUT(PM_GPIO(5), PM_GPIO_PULL_UP_31_5), |
| PM8XXX_GPIO_OUTPUT(PM_GPIO(9), 0), |
| }; |
| |
| /* pm8921 GPIO configuration for APQ8064 keypad */ |
| static struct pm8xxx_gpio_init pm8921_keypad_gpios_apq[] = { |
| /* keys GPIOs */ |
| PM8XXX_GPIO_INPUT(PM_GPIO(35), PM_GPIO_PULL_UP_31_5), |
| PM8XXX_GPIO_INPUT(PM_GPIO(38), PM_GPIO_PULL_UP_31_5), |
| PM8XXX_GPIO_OUTPUT(PM_GPIO(9), 0), |
| }; |
| |
| /* pm8917 GPIO configuration for APQ8064 keypad */ |
| static struct pm8xxx_gpio_init pm8917_keypad_gpios_apq[] = { |
| /* keys GPIOs */ |
| PM8XXX_GPIO_INPUT(PM_GPIO(35), PM_GPIO_PULL_UP_31_5), |
| PM8XXX_GPIO_INPUT(PM_GPIO(30), PM_GPIO_PULL_UP_31_5), |
| PM8XXX_GPIO_OUTPUT(PM_GPIO(9), 0), |
| }; |
| |
| /* pm8917 GPIO configuration for MSM8930 keypad */ |
| static struct pm8xxx_gpio_init pm8917_keypad_gpios[] = { |
| /* keys GPIOs */ |
| PM8XXX_GPIO_INPUT(PM_GPIO(27), PM_GPIO_PULL_UP_30), |
| PM8XXX_GPIO_INPUT(PM_GPIO(28), PM_GPIO_PULL_UP_30), |
| PM8XXX_GPIO_INPUT(PM_GPIO(36), PM_GPIO_PULL_UP_30), |
| PM8XXX_GPIO_INPUT(PM_GPIO(37), PM_GPIO_PULL_UP_30), |
| }; |
| |
| void msm8960_keypad_gpio_init() |
| { |
| int i = 0; |
| int num = 0; |
| |
| num = ARRAY_SIZE(pm8921_keypad_gpios); |
| |
| for(i=0; i < num; i++) |
| { |
| pm8921_gpio_config(pm8921_keypad_gpios[i].gpio, |
| &(pm8921_keypad_gpios[i].config)); |
| } |
| } |
| |
| void msm8930_keypad_gpio_init() |
| { |
| int i = 0; |
| int num = 0; |
| struct pm8xxx_gpio_init *gpio_array; |
| |
| if (platform_pmic_type(PMIC_IS_PM8917)) |
| { |
| num = ARRAY_SIZE(pm8917_keypad_gpios); |
| gpio_array = pm8917_keypad_gpios; |
| } |
| else |
| { |
| num = ARRAY_SIZE(pm8038_keypad_gpios); |
| gpio_array = pm8038_keypad_gpios; |
| } |
| |
| for(i=0; i < num; i++) |
| { |
| pm8921_gpio_config(gpio_array[i].gpio, |
| &(gpio_array[i].config)); |
| } |
| } |
| |
| void apq8064_keypad_gpio_init() |
| { |
| int i = 0; |
| int num = 0; |
| struct pm8xxx_gpio_init *gpio_array; |
| |
| if (platform_pmic_type(PMIC_IS_PM8917)) |
| { |
| num = ARRAY_SIZE(pm8917_keypad_gpios_apq); |
| gpio_array = pm8917_keypad_gpios_apq; |
| } |
| else |
| { |
| num = ARRAY_SIZE(pm8921_keypad_gpios_apq); |
| gpio_array = pm8921_keypad_gpios_apq; |
| } |
| |
| for(i = 0; i < num; i++) |
| { |
| pm8921_gpio_config(gpio_array[i].gpio, |
| &(gpio_array[i].config)); |
| } |
| } |
| |
| #define PM8921_GPIO_OUTPUT_FUNC(_gpio, _val, _func) \ |
| PM8XXX_GPIO_INIT(_gpio, PM_GPIO_DIR_OUT, 0, _val, \ |
| PM_GPIO_PULL_NO, 2, \ |
| PM_GPIO_STRENGTH_HIGH, \ |
| _func, 0, 0) |
| |
| |
| #define PM8921_GPIO_OUTPUT_BUFCONF(_gpio, _val, _strength, _bufconf) \ |
| PM8XXX_GPIO_INIT(_gpio, PM_GPIO_DIR_OUT,\ |
| PM_GPIO_OUT_BUF_##_bufconf, _val, \ |
| PM_GPIO_PULL_NO, 2, \ |
| PM_GPIO_STRENGTH_##_strength, \ |
| PM_GPIO_FUNC_NORMAL, 0, 0) |
| |
| |
| static struct pm8xxx_gpio_init pm8921_display_gpios_apq[] = { |
| /* Display GPIOs */ |
| /* Bl: ON, PWM mode */ |
| PM8921_GPIO_OUTPUT_FUNC(PM_GPIO(26), 1, PM_GPIO_FUNC_2), |
| /* LCD1_PWR_EN_N */ |
| PM8921_GPIO_OUTPUT_BUFCONF(PM_GPIO(36), 0, LOW, OPEN_DRAIN), |
| /* DISP_RESET_N */ |
| PM8921_GPIO_OUTPUT_BUFCONF(PM_GPIO(25), 1, LOW, CMOS), |
| }; |
| |
| void apq8064_display_gpio_init() |
| { |
| int i = 0; |
| int num = 0; |
| |
| num = ARRAY_SIZE(pm8921_display_gpios_apq); |
| |
| for (i = 0; i < num; i++) { |
| pm8921_gpio_config(pm8921_display_gpios_apq[i].gpio, |
| &(pm8921_display_gpios_apq[i].config)); |
| } |
| } |