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arm: mach-snapdragon: add pinctrl driver for db820c
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>
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parent
604aa9d30b
commit
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4 changed files with 61 additions and 3 deletions
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@ -6,8 +6,9 @@ obj-$(CONFIG_TARGET_DRAGONBOARD820C) += clock-apq8096.o
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obj-$(CONFIG_TARGET_DRAGONBOARD820C) += sysmap-apq8096.o
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obj-$(CONFIG_TARGET_DRAGONBOARD410C) += clock-apq8016.o
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obj-$(CONFIG_TARGET_DRAGONBOARD410C) += sysmap-apq8016.o
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obj-$(CONFIG_TARGET_DRAGONBOARD410C) += pinctrl-apq8016.o
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obj-$(CONFIG_TARGET_DRAGONBOARD410C) += pinctrl-snapdragon.o
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obj-y += misc.o
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obj-y += clock-snapdragon.o
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obj-y += dram.o
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obj-y += pinctrl-snapdragon.o
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obj-y += pinctrl-apq8016.o
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obj-y += pinctrl-apq8096.o
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56
arch/arm/mach-snapdragon/pinctrl-apq8096.c
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56
arch/arm/mach-snapdragon/pinctrl-apq8096.c
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@ -0,0 +1,56 @@
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// 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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@ -113,8 +113,8 @@ static struct pinctrl_ops msm_pinctrl_ops = {
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};
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static const struct udevice_id msm_pinctrl_ids[] = {
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{ .compatible = "qcom,tlmm-msm8916", .data = (ulong)&apq8016_data },
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{ .compatible = "qcom,tlmm-apq8016", .data = (ulong)&apq8016_data },
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{ .compatible = "qcom,tlmm-apq8096", .data = (ulong)&apq8096_data },
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{ }
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};
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@ -26,5 +26,6 @@ struct pinctrl_function {
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};
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extern struct msm_pinctrl_data apq8016_data;
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extern struct msm_pinctrl_data apq8096_data;
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#endif
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