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drivers/pinctrl/pinctrl-sandbox.c
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d41ce506b Initial Release, ... |
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/* * Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com> * * SPDX-License-Identifier: GPL-2.0+ */ /* #define DEBUG */ #include <common.h> #include <dm.h> #include <dm/pinctrl.h> static const char * const sandbox_pins[] = { "SCL", "SDA", "TX", "RX", }; static const char * const sandbox_groups[] = { "i2c", "serial_a", "serial_b", "spi", }; static const char * const sandbox_functions[] = { "i2c", "serial", "spi", }; static const struct pinconf_param sandbox_conf_params[] = { { "bias-disable", PIN_CONFIG_BIAS_DISABLE, 0 }, { "bias-high-impedance", PIN_CONFIG_BIAS_HIGH_IMPEDANCE, 0 }, { "bias-bus-hold", PIN_CONFIG_BIAS_BUS_HOLD, 0 }, { "bias-pull-up", PIN_CONFIG_BIAS_PULL_UP, 1 }, { "bias-pull-down", PIN_CONFIG_BIAS_PULL_DOWN, 1 }, { "bias-pull-pin-default", PIN_CONFIG_BIAS_PULL_PIN_DEFAULT, 1 }, { "drive-open-drain", PIN_CONFIG_DRIVE_OPEN_DRAIN, 0 }, { "drive-open-source", PIN_CONFIG_DRIVE_OPEN_SOURCE, 0 }, { "drive-strength", PIN_CONFIG_DRIVE_STRENGTH, 0 }, { "input-enable", PIN_CONFIG_INPUT_ENABLE, 1 }, { "input-disable", PIN_CONFIG_INPUT_ENABLE, 0 }, }; static int sandbox_get_pins_count(struct udevice *dev) { return ARRAY_SIZE(sandbox_pins); } static const char *sandbox_get_pin_name(struct udevice *dev, unsigned selector) { return sandbox_pins[selector]; } static int sandbox_get_groups_count(struct udevice *dev) { return ARRAY_SIZE(sandbox_groups); } static const char *sandbox_get_group_name(struct udevice *dev, unsigned selector) { return sandbox_groups[selector]; } static int sandbox_get_functions_count(struct udevice *dev) { return ARRAY_SIZE(sandbox_functions); } static const char *sandbox_get_function_name(struct udevice *dev, unsigned selector) { return sandbox_functions[selector]; } static int sandbox_pinmux_set(struct udevice *dev, unsigned pin_selector, unsigned func_selector) { debug("sandbox pinmux: pin = %d (%s), function = %d (%s) ", pin_selector, sandbox_get_pin_name(dev, pin_selector), func_selector, sandbox_get_function_name(dev, func_selector)); return 0; } static int sandbox_pinmux_group_set(struct udevice *dev, unsigned group_selector, unsigned func_selector) { debug("sandbox pinmux: group = %d (%s), function = %d (%s) ", group_selector, sandbox_get_group_name(dev, group_selector), func_selector, sandbox_get_function_name(dev, func_selector)); return 0; } static int sandbox_pinconf_set(struct udevice *dev, unsigned pin_selector, unsigned param, unsigned argument) { debug("sandbox pinconf: pin = %d (%s), param = %d, arg = %d ", pin_selector, sandbox_get_pin_name(dev, pin_selector), param, argument); return 0; } static int sandbox_pinconf_group_set(struct udevice *dev, unsigned group_selector, unsigned param, unsigned argument) { debug("sandbox pinconf: group = %d (%s), param = %d, arg = %d ", group_selector, sandbox_get_group_name(dev, group_selector), param, argument); return 0; } const struct pinctrl_ops sandbox_pinctrl_ops = { .get_pins_count = sandbox_get_pins_count, .get_pin_name = sandbox_get_pin_name, .get_groups_count = sandbox_get_groups_count, .get_group_name = sandbox_get_group_name, .get_functions_count = sandbox_get_functions_count, .get_function_name = sandbox_get_function_name, .pinmux_set = sandbox_pinmux_set, .pinmux_group_set = sandbox_pinmux_group_set, .pinconf_num_params = ARRAY_SIZE(sandbox_conf_params), .pinconf_params = sandbox_conf_params, .pinconf_set = sandbox_pinconf_set, .pinconf_group_set = sandbox_pinconf_group_set, .set_state = pinctrl_generic_set_state, }; static const struct udevice_id sandbox_pinctrl_match[] = { { .compatible = "sandbox,pinctrl" }, { /* sentinel */ } }; U_BOOT_DRIVER(sandbox_pinctrl) = { .name = "sandbox_pinctrl", .id = UCLASS_PINCTRL, .of_match = sandbox_pinctrl_match, .ops = &sandbox_pinctrl_ops, }; |