From patchwork Tue May 23 13:12:51 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Wahren X-Patchwork-Id: 765956 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3wXGJN3Ndcz9sPF for ; Tue, 23 May 2017 23:16:36 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763456AbdEWNQe (ORCPT ); Tue, 23 May 2017 09:16:34 -0400 Received: from mout.kundenserver.de ([212.227.17.24]:63943 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S967523AbdEWNOr (ORCPT ); Tue, 23 May 2017 09:14:47 -0400 Received: from duckbill-v2-sdk.fritz.box ([109.104.44.37]) by mrelayeu.kundenserver.de (mreue101 [212.227.15.183]) with ESMTPSA (Nemesis) id 0MGzMw-1d9Frd3xQI-00Do7m; Tue, 23 May 2017 15:13:24 +0200 From: Stefan Wahren To: Rob Herring , Mark Rutland , "David S. Miller" Cc: Greg Kroah-Hartman , Jiri Slaby , Lino Sanfilippo , Jakub Kicinski , devicetree@vger.kernel.org, netdev@vger.kernel.org, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, Stefan Wahren Subject: [PATCH v6 net-next 15/17] dt-bindings: slave-device: add current-speed property Date: Tue, 23 May 2017 15:12:51 +0200 Message-Id: <1495545173-22150-16-git-send-email-stefan.wahren@i2se.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1495545173-22150-1-git-send-email-stefan.wahren@i2se.com> References: <1495545173-22150-1-git-send-email-stefan.wahren@i2se.com> X-Provags-ID: V03:K0:MHCd5PnTGsx1C0oo7ETgsEvwKPJsk4MyFe0iQNHjgLGfQdHEUwz r1XM0X+9o/d9TxlQLeVNObGGfGK32ngegoBXOnUgbzFlIGnbXAlHjdKlTn/ufDt4cxK0BRE 1Dgr5lCYOrU1R/VD/pLSmCwXfZezR8s7MHd6IuoJwfCHvEl0scp/jgIvShrcxmRJs7gbrjt NRc+FRbjkE1gBi6zl6AOQ== X-UI-Out-Filterresults: notjunk:1; V01:K0:O33y4UCFNQM=:GyA5QJh4aenT/5Sv8Tsbcg 2Y/qu6KZyJGUtS0PNCjcYQLw1e4FfWH63kBN5DBU6oez5LFOf466ikM99BjvGkeyXCaqRfNPu xWE/hLZms8LcUbUUJLmjx0QOQjF8R7HoKJ1RCC8hin9nBOSVML1OzvQ5kVgnt4SRaePzZBbLT TKY1rcfAD0RkCSOrYlmZo/O8ev4eQVAa1W4WEvuqBcCQj1cTz8m7yhYcn5VuIwNiz/oxo3h/0 R58581xqUl7cx5M+9A4UBUiHRO009K3YQfhLh8sLy5JS914lPVeT29s5vgTdNseSmkvFLwY6j ScXaQ5sZ19LhQ8tiRd/XfEixrkxtPFqqQ8A7ANblYgs61GYuUFTBxqahxKf1ijBEWA6+wWhAM /xYEDALK9TiffxfbvrsrN4ZFdRNSdLMnif01DU4LCNT08/ozI7BDTtKjv/3pWROgNKfcIfsSh HjfNegpygRuP9Rd36FkV4tJ52irr10caG2Uk9oOROy+E9LZ5Nh17Q/BCUH0psKqCh2bi7lfxo AEQZcF3ddTw0uwuUfjsEnBnRdeFaPEVRcO8VsLYZL+dLLC6drVaka9foXA91x02s6NMvbC0E1 2UdQhpwtZuTc58iiazxrq//BtPUPLphEC1Z50cveQyrjUhbAtam9hUq4d0DAhf9wkYzwmeXdQ 5IBvyVGKPg06fP59kXMJuiXUmV7Pr8VXNsa7wIUmW034XolFbpJlPh1hxNQP4UO+MN3A= Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This adds a new DT property to define the current baud rate of the slave device. Signed-off-by: Stefan Wahren Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/serial/slave-device.txt | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Documentation/devicetree/bindings/serial/slave-device.txt b/Documentation/devicetree/bindings/serial/slave-device.txt index f660379..40110e0 100644 --- a/Documentation/devicetree/bindings/serial/slave-device.txt +++ b/Documentation/devicetree/bindings/serial/slave-device.txt @@ -21,6 +21,15 @@ Optional Properties: can support. For example, a particular board has some signal quality issue or the host processor can't support higher baud rates. +- current-speed : The current baud rate the device operates at. This should + only be present in case a driver has no chance to know + the baud rate of the slave device. + Examples: + * device supports auto-baud + * the rate is setup by a bootloader and there is no + way to reset the device + * device baud rate is configured by its firmware but + there is no way to request the actual settings Example: