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![Tom Rini](/assets/img/avatar_default.png)
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
41 lines
918 B
C
41 lines
918 B
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (c) 2011, Google Inc. All rights reserved.
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*/
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#ifndef _TEGRA_GPIO_H_
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#define _TEGRA_GPIO_H_
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#include <dt-bindings/gpio/tegra-gpio.h>
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#define TEGRA_GPIOS_PER_PORT 8
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#define TEGRA_PORTS_PER_BANK 4
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#define MAX_NUM_GPIOS (TEGRA_GPIO_PORTS * TEGRA_GPIO_BANKS * 8)
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#define GPIO_NAME_SIZE 20 /* gpio_request max label len */
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#define GPIO_BANK(x) ((x) >> 5)
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#define GPIO_PORT(x) (((x) >> 3) & 0x3)
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#define GPIO_FULLPORT(x) ((x) >> 3)
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#define GPIO_BIT(x) ((x) & 0x7)
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enum tegra_gpio_init {
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TEGRA_GPIO_INIT_IN,
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TEGRA_GPIO_INIT_OUT0,
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TEGRA_GPIO_INIT_OUT1,
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};
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struct tegra_gpio_config {
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u32 gpio:16;
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u32 init:2;
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};
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/**
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* Configure a list of GPIOs
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*
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* @param config List of GPIO configurations
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* @param len Number of config items in list
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*/
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void gpio_config_table(const struct tegra_gpio_config *config, int len);
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#endif /* TEGRA_GPIO_H_ */
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