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095d96d67e
Add GPIO pinctrl function to enable driving GPIO pins as output low or high. Signed-off-by: Sumit Garg <sumit.garg@linaro.org> Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
84 lines
1.8 KiB
C
84 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Qualcomm APQ8016 pinctrl
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*
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* (C) Copyright 2018 Ramon Fried <ramon.fried@gmail.com>
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*
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*/
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#include <common.h>
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#include <dm.h>
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#include "pinctrl-qcom.h"
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#define MAX_PIN_NAME_LEN 32
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static char pin_name[MAX_PIN_NAME_LEN] __section(".data");
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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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"qdsd_clk",
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"qdsd_cmd",
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"qdsd_data0",
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"qdsd_data1",
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"qdsd_data2",
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"qdsd_data3",
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};
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static const struct pinctrl_function msm_pinctrl_functions[] = {
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{"gpio", 0},
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{"blsp_uart1", 2},
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{"blsp_uart2", 2},
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};
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static const char *apq8016_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 *apq8016_get_pin_name(struct udevice *dev,
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unsigned int selector)
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{
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if (selector < 122) {
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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 - 122];
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}
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}
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static unsigned int apq8016_get_function_mux(__maybe_unused unsigned int pin,
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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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static const struct msm_pinctrl_data apq8016_data = {
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.pin_data = {
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.pin_count = 133,
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.special_pins_start = 122,
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},
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.functions_count = ARRAY_SIZE(msm_pinctrl_functions),
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.get_function_name = apq8016_get_function_name,
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.get_function_mux = apq8016_get_function_mux,
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.get_pin_name = apq8016_get_pin_name,
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};
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static const struct udevice_id msm_pinctrl_ids[] = {
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{ .compatible = "qcom,msm8916-pinctrl", .data = (ulong)&apq8016_data },
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{ /* Sentinal */ }
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};
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U_BOOT_DRIVER(pinctrl_apq8016) = {
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.name = "pinctrl_apq8016",
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.id = UCLASS_NOP,
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.of_match = msm_pinctrl_ids,
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.ops = &msm_pinctrl_ops,
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.bind = msm_pinctrl_bind,
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.flags = DM_FLAG_PRE_RELOC,
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};
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