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dt-bindings: gpio: uniphier: add UniPhier GPIO binding

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This GPIO controller is used on UniPhier SoC family.

The vendor specific property "socionext,interrupt-ranges" is for
specifying interrupt mapping to the parent interrupt controller
because the mapping is not contiguous.  It works like "ranges",
but transforms "interrupts" instead of "reg".

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Masahiro Yamada
2017-10-12 20:36:15 +09:00
committed by Linus Walleij
parent 2cbfca66ba
commit 1c59d04505
3 changed files with 71 additions and 0 deletions
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18
include/dt-bindings/gpio/uniphier-gpio.h Normal file
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/*
* Copyright (C) 2017 Socionext Inc.
* Author: Masahiro Yamada <yamada.masahiro@socionext.com>
*/
#ifndef _DT_BINDINGS_GPIO_UNIPHIER_H
#define _DT_BINDINGS_GPIO_UNIPHIER_H
#define UNIPHIER_GPIO_LINES_PER_BANK 8
#define UNIPHIER_GPIO_IRQ_OFFSET ((UNIPHIER_GPIO_LINES_PER_BANK) * 15)
#define UNIPHIER_GPIO_PORT(bank, line) \
((UNIPHIER_GPIO_LINES_PER_BANK) * (bank) + (line))
#define UNIPHIER_GPIO_IRQ(n) ((UNIPHIER_GPIO_IRQ_OFFSET) + (n))
#endif /* _DT_BINDINGS_GPIO_UNIPHIER_H */