diff options
author | Masahiro Yamada <yamada.m@jp.panasonic.com> | 2015-02-20 08:04:15 (GMT) |
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committer | Tom Rini <trini@ti.com> | 2015-02-21 13:23:52 (GMT) |
commit | ea3857230c2d7428e8c22a9d063b4a5b86b34a0c (patch) | |
tree | 4f8044d927d627bf11548e9f4393f94d4277fb07 /arch/arm/mach-kirkwood/include/mach/gpio.h | |
parent | 3d357619a509eb2b39dc5056731ca08bc2b23e62 (diff) | |
download | u-boot-ea3857230c2d7428e8c22a9d063b4a5b86b34a0c.tar.xz |
ARM: kirkwood: move SoC headers to mach-kirkwood/include/mach
Move arch/arm/include/asm/arch-kirkwood/*
-> arch/arm/mach-kirkwood/include/mach/*
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Stefan Roese <sr@denx.de>
Cc: Prafulla Wadaskar <prafulla@marvell.com>
Cc: Luka Perkov <luka.perkov@sartura.hr>
Diffstat (limited to 'arch/arm/mach-kirkwood/include/mach/gpio.h')
-rw-r--r-- | arch/arm/mach-kirkwood/include/mach/gpio.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/arm/mach-kirkwood/include/mach/gpio.h b/arch/arm/mach-kirkwood/include/mach/gpio.h new file mode 100644 index 0000000..aa8c5da --- /dev/null +++ b/arch/arm/mach-kirkwood/include/mach/gpio.h @@ -0,0 +1,49 @@ +/* + * arch/asm-arm/mach-kirkwood/include/mach/gpio.h + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* + * Based on (mostly copied from) plat-orion based Linux 2.6 kernel driver. + * Removed kernel level irq handling. Took some macros from kernel to + * allow build. + * + * Dieter Kiermaier dk-arm-linux@gmx.de + */ + +#ifndef __KIRKWOOD_GPIO_H +#define __KIRKWOOD_GPIO_H + +/* got from kernel include/linux/bitops.h */ +#define BITS_PER_BYTE 8 +#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long)) + +#define GPIO_MAX 50 +#define GPIO_OFF(pin) (((pin) >> 5) ? 0x0040 : 0x0000) +#define GPIO_OUT(pin) (MVEBU_GPIO0_BASE + GPIO_OFF(pin) + 0x00) +#define GPIO_IO_CONF(pin) (MVEBU_GPIO0_BASE + GPIO_OFF(pin) + 0x04) +#define GPIO_BLINK_EN(pin) (MVEBU_GPIO0_BASE + GPIO_OFF(pin) + 0x08) +#define GPIO_IN_POL(pin) (MVEBU_GPIO0_BASE + GPIO_OFF(pin) + 0x0c) +#define GPIO_DATA_IN(pin) (MVEBU_GPIO0_BASE + GPIO_OFF(pin) + 0x10) +#define GPIO_EDGE_CAUSE(pin) (MVEBU_GPIO0_BASE + GPIO_OFF(pin) + 0x14) +#define GPIO_EDGE_MASK(pin) (MVEBU_GPIO0_BASE + GPIO_OFF(pin) + 0x18) +#define GPIO_LEVEL_MASK(pin) (MVEBU_GPIO0_BASE + GPIO_OFF(pin) + 0x1c) + +/* + * Kirkwood-specific GPIO API + */ + +void kw_gpio_set_valid(unsigned pin, int mode); +int kw_gpio_is_valid(unsigned pin, int mode); +int kw_gpio_direction_input(unsigned pin); +int kw_gpio_direction_output(unsigned pin, int value); +int kw_gpio_get_value(unsigned pin); +void kw_gpio_set_value(unsigned pin, int value); +void kw_gpio_set_blink(unsigned pin, int blink); +void kw_gpio_set_unused(unsigned pin); + +#define GPIO_INPUT_OK (1 << 0) +#define GPIO_OUTPUT_OK (1 << 1) + +#endif |