From 152f489841769531f2ba7d0ffc7a3bb239c43421 Mon Sep 17 00:00:00 2001 From: Peter Griffin Date: Thu, 30 Jul 2015 18:55:18 +0100 Subject: dm: gpio: hi6220: Add a hi6220 GPIO driver model driver. This patch adds support for the GPIO perif found on hi6220 SoC. Signed-off-by: Peter Griffin --- arch/arm/include/asm/arch-hi6220/gpio.h | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 arch/arm/include/asm/arch-hi6220/gpio.h (limited to 'arch/arm/include/asm/arch-hi6220/gpio.h') diff --git a/arch/arm/include/asm/arch-hi6220/gpio.h b/arch/arm/include/asm/arch-hi6220/gpio.h new file mode 100644 index 0000000..98122a2 --- /dev/null +++ b/arch/arm/include/asm/arch-hi6220/gpio.h @@ -0,0 +1,29 @@ +/* + * Copyright (C) 2015 Linaro + * Peter Griffin + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _HI6220_GPIO_H_ +#define _HI6220_GPIO_H_ + +#define HI6220_GPIO_BASE(bank) (((bank < 4) ? 0xf8011000 : \ + 0xf7020000 - 0x4000) + (0x1000 * bank)) + +#define BIT(x) (1 << (x)) + +#define HI6220_GPIO_PER_BANK 8 +#define HI6220_GPIO_DIR 0x400 + +struct gpio_bank { + u8 *base; /* address of registers in physical memory */ +}; + +/* Information about a GPIO bank */ +struct hikey_gpio_platdata { + int bank_index; + unsigned int base; /* address of registers in physical memory */ +}; + +#endif /* _HI6220_GPIO_H_ */ -- cgit v1.1