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u-boot/arch/arm/mach-snapdragon/pinctrl-qcs404.c
Sumit Garg c9ec1971c6 pinctrl: qcs404: Enable I2C pinmux options
Co-developed-by: Mike Worsfold <mworsfold@impinj.com>
Signed-off-by: Mike Worsfold <mworsfold@impinj.com>
Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
2023-02-10 12:50:00 -05:00

68 lines
1.5 KiB
C

// 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},
{"rgmii_int", 1},
{"rgmii_ck", 1},
{"rgmii_tx", 1},
{"rgmii_ctl", 1},
{"rgmii_rx", 1},
{"rgmii_mdio", 1},
{"rgmii_mdc", 1},
{"blsp_i2c0", 3},
{"blsp_i2c1", 2},
{"blsp_i2c_sda_a2", 3},
{"blsp_i2c_scl_a2", 3},
{"blsp_i2c3", 2},
{"blsp_i2c4", 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,
};