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pinctrl: qcom: Add pinctrl driver for QCS404 SoC

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Currently this pinctrl driver only supports BLSP UART2 specific pin
configuration.

Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
This commit is contained in:
Sumit Garg 2022-07-12 12:42:10 +05:30 committed by Tom Rini
parent 364c22a84a
commit a8effc2ee4
4 changed files with 58 additions and 0 deletions
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1
arch/arm/mach-snapdragon/Makefile
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@ -15,4 +15,5 @@ obj-y += dram.o
obj-y += pinctrl-snapdragon.o
obj-y += pinctrl-apq8016.o
obj-y += pinctrl-apq8096.o
obj-y += pinctrl-qcs404.o
obj-$(CONFIG_SDM845) += pinctrl-sdm845.o

55
arch/arm/mach-snapdragon/pinctrl-qcs404.c Normal file
View file

@ -0,0 +1,55 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Qualcomm QCS404 pinctrl
*
* (C) Copyright 2022 Sumit Garg <sumit.garg@linaro.org>
*/
#include "pinctrl-snapdragon.h"
#include <common.h>
#define MAX_PIN_NAME_LEN 32
static char pin_name[MAX_PIN_NAME_LEN] __section(".data");
static const char * const msm_pinctrl_pins[] = {
"SDC1_RCLK",
"SDC1_CLK",
"SDC1_CMD",
"SDC1_DATA",
"SDC2_CLK",
"SDC2_CMD",
"SDC2_DATA",
};
static const struct pinctrl_function msm_pinctrl_functions[] = {
{"blsp_uart2", 1},
};
static const char *qcs404_get_function_name(struct udevice *dev,
unsigned int selector)
{
return msm_pinctrl_functions[selector].name;
}
static const char *qcs404_get_pin_name(struct udevice *dev,
unsigned int selector)
{
if (selector < 120) {
snprintf(pin_name, MAX_PIN_NAME_LEN, "GPIO_%u", selector);
return pin_name;
} else {
return msm_pinctrl_pins[selector - 120];
}
}
static unsigned int qcs404_get_function_mux(unsigned int selector)
{
return msm_pinctrl_functions[selector].val;
}
struct msm_pinctrl_data qcs404_data = {
.pin_count = 126,
.functions_count = ARRAY_SIZE(msm_pinctrl_functions),
.get_function_name = qcs404_get_function_name,
.get_function_mux = qcs404_get_function_mux,
.get_pin_name = qcs404_get_pin_name,
};

1
arch/arm/mach-snapdragon/pinctrl-snapdragon.c
View file

@ -119,6 +119,7 @@ static const struct udevice_id msm_pinctrl_ids[] = {
#ifdef CONFIG_SDM845
{ .compatible = "qcom,tlmm-sdm845", .data = (ulong)&sdm845_data },
#endif
{ .compatible = "qcom,tlmm-qcs404", .data = (ulong)&qcs404_data },
{ }
};

1
arch/arm/mach-snapdragon/pinctrl-snapdragon.h
View file

@ -28,5 +28,6 @@ struct pinctrl_function {
extern struct msm_pinctrl_data apq8016_data;
extern struct msm_pinctrl_data apq8096_data;
extern struct msm_pinctrl_data sdm845_data;
extern struct msm_pinctrl_data qcs404_data;
#endif