padconfig.h

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#ifndef __SOC_NVIDIA_TEGRA210_PAD_CFG_H
#define __SOC_NVIDIA_TEGRA210_PAD_CFG_H
 
#include <stdint.h>
#include <soc/pinmux.h>
 
struct pad_config {
        uint16_t pinmux_flags;  /* PU/PU, OD, INPUT, SFIO, etc */
        uint8_t gpio_index;             /* bank, port, index */
        uint16_t pinmux_index:9;
        uint16_t unused:1;
        uint16_t sfio:1;
        uint16_t gpio_out0:1;
        uint16_t gpio_out1:1;
        uint16_t pad_has_gpio:1;
        uint16_t por_pullup:1;
};
 
#define PAD_CFG_GPIO_INPUT(ball_, pinmux_flgs_)         \
        {                                               \
                .pinmux_flags = pinmux_flgs_ | PINMUX_INPUT_ENABLE,     \
                .gpio_index = PAD_TO_GPIO_##ball_,      \
                .pinmux_index = PINMUX_##ball_##_INDEX, \
                .sfio = 0,                              \
                .pad_has_gpio = PAD_HAS_GPIO_##ball_,   \
        }
 
#define PAD_CFG_GPIO_OUT0(ball_, pinmux_flgs_)          \
        {                                               \
                .pinmux_flags = pinmux_flgs_,           \
                .gpio_index = PAD_TO_GPIO_##ball_,      \
                .pinmux_index = PINMUX_##ball_##_INDEX, \
                .sfio = 0,                              \
                .gpio_out0 = 1,                         \
                .pad_has_gpio = PAD_HAS_GPIO_##ball_,   \
        }
 
#define PAD_CFG_GPIO_OUT1(ball_, pinmux_flgs_)          \
        {                                               \
                .pinmux_flags = pinmux_flgs_,           \
                .gpio_index = PAD_TO_GPIO_##ball_,      \
                .pinmux_index = PINMUX_##ball_##_INDEX, \
                .sfio = 0,                              \
                .gpio_out1 = 1,                         \
                .pad_has_gpio = PAD_HAS_GPIO_##ball_,   \
        }
 
#define PAD_CFG_SFIO(ball_, pinmux_flgs_, sfio_)        \
        {                                               \
                .pinmux_flags = pinmux_flgs_ |          \
                                PINMUX_##ball_##_FUNC_##sfio_,  \
                .gpio_index = PAD_TO_GPIO_##ball_,      \
                .pinmux_index = PINMUX_##ball_##_INDEX, \
                .sfio = 1,                              \
                .pad_has_gpio = PAD_HAS_GPIO_##ball_,   \
        }
 
#define PAD_CFG_UNUSED(ball_)                           \
        {                                               \
                .gpio_index = PAD_TO_GPIO_##ball_,      \
                .pinmux_index = PINMUX_##ball_##_INDEX, \
                .unused = 1,                            \
                .pad_has_gpio = PAD_HAS_GPIO_##ball_,   \
        }
/*
 * Configure the pads associated with entry according to the configuration.
 */
void soc_configure_pads(const struct pad_config * const entries, size_t num);
/* I2C6 requires special init as its pad lives int the SOR/DPAUX block */
void soc_configure_i2c6pad(void);
void soc_configure_host1x(void);
/* APE (Audio Processing Engine) requires special init */
void soc_configure_ape(void);
 
#endif /* __SOC_NVIDIA_TEGRA210_PAD_CFG_H */