610d78915e
Add pinctrl driver for the TLMM block found in the SM8650 SoC. This driver only handles the gpio and qup2_se7 pinmux, and makes sure the pinconf applies on SDC2 pins. Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Acked-by: Sumit Garg <sumit.garg@linaro.org> Reviewed-by: Caleb Connolly <caleb.connolly@linaro.org> Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
76 lines
1.7 KiB
C
76 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Qualcomm sm8650 pinctrl
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*
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* (C) Copyright 2024 Linaro Ltd.
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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 struct pinctrl_function msm_pinctrl_functions[] = {
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{"qup2_se7", 1},
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{"gpio", 0},
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};
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static const char *sm8650_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 *sm8650_get_pin_name(struct udevice *dev,
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unsigned int selector)
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{
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static const char *special_pins_names[] = {
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"ufs_reset",
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"sdc2_clk",
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"sdc2_cmd",
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"sdc2_data",
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};
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if (selector >= 210 && selector <= 213)
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snprintf(pin_name, MAX_PIN_NAME_LEN, special_pins_names[selector - 210]);
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else
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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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}
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static unsigned int sm8650_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 struct msm_pinctrl_data sm8650_data = {
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.pin_data = {
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.pin_count = 214,
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.special_pins_start = 210,
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},
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.functions_count = ARRAY_SIZE(msm_pinctrl_functions),
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.get_function_name = sm8650_get_function_name,
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.get_function_mux = sm8650_get_function_mux,
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.get_pin_name = sm8650_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,sm8650-tlmm", .data = (ulong)&sm8650_data },
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{ /* Sentinel */ }
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};
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U_BOOT_DRIVER(pinctrl_sm8650) = {
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.name = "pinctrl_sm8650",
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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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};
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