From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1TtebB-0000qh-6N for barebox@lists.infradead.org; Fri, 11 Jan 2013 13:24:51 +0000 From: Sascha Hauer Date: Fri, 11 Jan 2013 14:24:36 +0100 Message-Id: <1357910676-4231-17-git-send-email-s.hauer@pengutronix.de> In-Reply-To: <1357910676-4231-1-git-send-email-s.hauer@pengutronix.de> References: <1357910676-4231-1-git-send-email-s.hauer@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 16/16] commands: Add of_node command To: barebox@lists.infradead.org This command allows to create/delete device nodes. Signed-off-by: Sascha Hauer --- commands/Kconfig | 7 ++++ commands/Makefile | 1 + commands/of_node.c | 111 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 119 insertions(+) create mode 100644 commands/of_node.c diff --git a/commands/Kconfig b/commands/Kconfig index c0879b9..9c668c6 100644 --- a/commands/Kconfig +++ b/commands/Kconfig @@ -492,6 +492,13 @@ config CMD_OF_PROPERTY The of_property command allows setting and deleting of properties in the currently loaded devicetree. +config CMD_OF_NODE + tristate + select OFTREE + prompt "of_node" + help + The of_property command allows adding and removing devicetree nodes. + endmenu menu "testing" diff --git a/commands/Makefile b/commands/Makefile index 98d61c6..2df807b 100644 --- a/commands/Makefile +++ b/commands/Makefile @@ -68,6 +68,7 @@ obj-$(CONFIG_CMD_USB) += usb.o obj-$(CONFIG_CMD_TIME) += time.o obj-$(CONFIG_CMD_OFTREE) += oftree.o obj-$(CONFIG_CMD_OF_PROPERTY) += of_property.o +obj-$(CONFIG_CMD_OF_NODE) += of_node.o obj-$(CONFIG_CMD_MAGICVAR) += magicvar.o obj-$(CONFIG_CMD_IOMEM) += iomem.o obj-$(CONFIG_CMD_LINUX_EXEC) += linux_exec.o diff --git a/commands/of_node.c b/commands/of_node.c new file mode 100644 index 0000000..a370e26 --- /dev/null +++ b/commands/of_node.c @@ -0,0 +1,111 @@ +/* + * of_node.c - device tree node handling support + * + * Copyright (c) 2013 Sascha Hauer , Pengutronix + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static int do_of_node(int argc, char *argv[]) +{ + int opt; + int delete = 0; + int create = 0; + char *path = NULL; + struct device_node *node = NULL; + + while ((opt = getopt(argc, argv, "cd")) > 0) { + switch (opt) { + case 'c': + create = 1; + break; + case 'd': + delete = 1; + break; + default: + return COMMAND_ERROR_USAGE; + } + } + + if (optind < argc) { + path = argv[optind]; + } + + if (create) { + char *name; + + if (!path) + return COMMAND_ERROR_USAGE; + + name = xstrdup(basename(path)); + path = dirname(path); + + node = of_find_node_by_path(path); + if (!node) { + printf("Cannot find nodepath %s\n", path); + free(name); + return -ENOENT; + } + + debug("create node \"%s\" \"%s\"\n", path, name); + + of_new_node(node, name); + + free(name); + + return 0; + } + + if (delete) { + if (!path) + return COMMAND_ERROR_USAGE; + + node = of_find_node_by_path(path); + if (!node) { + printf("Cannot find nodepath %s\n", path); + return -ENOENT; + } + + of_free(node); + } + + return 0; +} + +BAREBOX_CMD_HELP_START(of_node) +BAREBOX_CMD_HELP_USAGE("of_node [OPTIONS] [NODE] [NAME]\n") +BAREBOX_CMD_HELP_OPT ("-c", "create a new node\n") +BAREBOX_CMD_HELP_OPT ("-d", "delete a node\n") +BAREBOX_CMD_HELP_END + +BAREBOX_CMD_START(of_node) + .cmd = do_of_node, + .usage = "handle of nodes", + BAREBOX_CMD_HELP(cmd_of_node_help) +BAREBOX_CMD_END -- 1.7.10.4 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox