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Add pinctrl driver for Dragonboard820c, currently with only one mux func to initialize pins for serial console. Signed-off-by: Ramon Fried <ramon.fried@gmail.com>
56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Qualcomm APQ8096 pinctrl
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*
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* (C) Copyright 2019 Ramon Fried <ramon.fried@gmail.com>
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*
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*/
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#include "pinctrl-snapdragon.h"
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#include <common.h>
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#define MAX_PIN_NAME_LEN 32
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static char pin_name[MAX_PIN_NAME_LEN];
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static const char * const msm_pinctrl_pins[] = {
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"SDC1_CLK",
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"SDC1_CMD",
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"SDC1_DATA",
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"SDC2_CLK",
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"SDC2_CMD",
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"SDC2_DATA",
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"SDC1_RCLK",
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};
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static const struct pinctrl_function msm_pinctrl_functions[] = {
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{"blsp_uart8", 2},
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};
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static const char *apq8096_get_function_name(struct udevice *dev,
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unsigned int selector)
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{
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return msm_pinctrl_functions[selector].name;
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}
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static const char *apq8096_get_pin_name(struct udevice *dev,
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unsigned int selector)
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{
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if (selector < 150) {
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snprintf(pin_name, MAX_PIN_NAME_LEN, "GPIO_%u", selector);
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return pin_name;
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} else {
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return msm_pinctrl_pins[selector - 150];
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}
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}
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static unsigned int apq8096_get_function_mux(unsigned int selector)
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{
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return msm_pinctrl_functions[selector].val;
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}
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struct msm_pinctrl_data apq8096_data = {
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.pin_count = 157,
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.functions_count = ARRAY_SIZE(msm_pinctrl_functions),
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.get_function_name = apq8096_get_function_name,
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.get_function_mux = apq8096_get_function_mux,
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.get_pin_name = apq8096_get_pin_name,
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};
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