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| author | Peter Griffin <peter.griffin@linaro.org> | 2015-07-30 18:55:18 +0100 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2015-08-12 20:47:58 -0400 |
| commit | 152f489841769531f2ba7d0ffc7a3bb239c43421 (patch) | |
| tree | d8e42d9d89a1d8d0c1d54a4638d2e2d294d9fec0 /arch | |
| parent | 210fbee901b13d8e21568fc3e00932f3e082c178 (diff) | |
| download | u-boot-152f489841769531f2ba7d0ffc7a3bb239c43421.tar.gz u-boot-152f489841769531f2ba7d0ffc7a3bb239c43421.tar.xz u-boot-152f489841769531f2ba7d0ffc7a3bb239c43421.zip | |
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 <peter.griffin@linaro.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/include/asm/arch-hi6220/gpio.h | 29 |
1 files changed, 29 insertions, 0 deletions
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 0000000000..98122a2f70 --- /dev/null +++ b/arch/arm/include/asm/arch-hi6220/gpio.h @@ -0,0 +1,29 @@ +/* + * Copyright (C) 2015 Linaro + * Peter Griffin <peter.griffin@linaro.org> + * + * 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_ */ |