From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jlqAG-0008R9-L6 for barebox@lists.infradead.org; Thu, 18 Jun 2020 08:44:53 +0000 From: Ahmad Fatoum Date: Thu, 18 Jun 2020 10:44:46 +0200 Message-Id: <20200618084446.9684-1-a.fatoum@pengutronix.de> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH] Documentation: devicetree: hint at libfdt being available To: barebox@lists.infradead.org Cc: Ahmad Fatoum Since 7e5a875fff7d ("Compile libfdt for barebox"), we now also have libfdt for operating on flattened device trees out of the PBL. Document this. Signed-off-by: Ahmad Fatoum --- Documentation/devicetree/index.rst | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/index.rst b/Documentation/devicetree/index.rst index 908652642b9a..70ff9bc74a9c 100644 --- a/Documentation/devicetree/index.rst +++ b/Documentation/devicetree/index.rst @@ -3,9 +3,11 @@ Barebox devicetree handling and bindings The preferred way of adding board support to barebox is to have devices on non-enumerable buses probed from device tree. -barebox imports the Linux OpenFirmware ``of_*``-API functions for device tree -parsing, which makes porting the device tree specific bits from device drivers -very straight forward. +barebox provide both the Linux OpenFirmware ``of_*`` and the libfdt ``fdt_`` APIs +for device tree parsing. The former makes porting the device tree specific +bits from Linux device drivers very straight forward, while the latter can be +used for very early (PBL) handling of flattened device trees, should this be +necessary. Additionally, barebox has support for programmatically fixing up device trees it passes to the kernel, either directly via ``of_register_fixup`` or via device -- 2.27.0 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox