diff options
author | Tom Rini <trini@konsulko.com> | 2019-01-21 11:59:21 -0500 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2019-01-21 11:59:21 -0500 |
commit | e8ddbefccd0193340ebbe6fe53c5490624b7c110 (patch) | |
tree | 7d42f09133a50b773ffd2ba213883b23c5f4265f /board/alliedtelesis/common/gpio_hog.c | |
parent | 27fb313dd639efc72beb08124fe4aa37bfd2c299 (diff) | |
parent | 0e31666dfa043ab71fb1fbbba4feacfe8af3e06b (diff) |
Merge git://git.denx.de/u-boot-marvell
- Sync Armada-38x dts with Linux 4.20 from Chris
- Misc changes and enhancements to Turris Mox (v4) from Marek
- Reserve PSCI area for Armada 8k from Heinrich
- New Allied Telesis x530 board (Armada-385) from Chris
- Misc minor changes (defconfig etc)
Diffstat (limited to 'board/alliedtelesis/common/gpio_hog.c')
-rw-r--r-- | board/alliedtelesis/common/gpio_hog.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/board/alliedtelesis/common/gpio_hog.c b/board/alliedtelesis/common/gpio_hog.c new file mode 100644 index 00000000000..1f87b3ac1b7 --- /dev/null +++ b/board/alliedtelesis/common/gpio_hog.c @@ -0,0 +1,36 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018 Allied Telesis Labs + */ + +#include <common.h> +#include <dm.h> +#include <asm/gpio.h> + +DECLARE_GLOBAL_DATA_PTR; + +int gpio_hog_list(struct gpio_desc *gpiod, int max_count, + const char *node_name, const char *gpio_name, int value) +{ + int node; + int count; + int i; + + node = fdt_node_offset_by_compatible(gd->fdt_blob, 0, node_name); + if (node < 0) + return -ENODEV; + + if (!dm_gpio_is_valid(gpiod)) { + count = + gpio_request_list_by_name_nodev(offset_to_ofnode(node), + gpio_name, gpiod, max_count, + GPIOD_IS_OUT); + if (count < 0) + return count; + + for (i = 0; i < count; i++) + dm_gpio_set_value(&gpiod[i], value); + } + + return 0; +} |