From patchwork Wed May 10 08:53:25 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Wahren X-Patchwork-Id: 760495 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 3wN9Br5FKVz9s2P for ; Wed, 10 May 2017 18:58:44 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752348AbdEJI6H (ORCPT ); Wed, 10 May 2017 04:58:07 -0400 Received: from mout.kundenserver.de ([217.72.192.75]:49195 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752635AbdEJIxv (ORCPT ); Wed, 10 May 2017 04:53:51 -0400 Received: from duckbill-v2-sdk.fritz.box ([109.104.47.221]) by mrelayeu.kundenserver.de (mreue101 [212.227.15.183]) with ESMTPSA (Nemesis) id 0LqlM2-1dcTKn1xVi-00eIz4; Wed, 10 May 2017 10:53:35 +0200 From: Stefan Wahren To: Rob Herring , "David S. Miller" Cc: Mark Rutland , Greg Kroah-Hartman , Jiri Slaby , linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, Stefan Wahren Subject: [PATCH v5 14/17] dt-bindings: slave-device: add current-speed property Date: Wed, 10 May 2017 10:53:25 +0200 Message-Id: <1494406408-31760-15-git-send-email-stefan.wahren@i2se.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1494406408-31760-1-git-send-email-stefan.wahren@i2se.com> References: <1494406408-31760-1-git-send-email-stefan.wahren@i2se.com> X-Provags-ID: V03:K0:Rp0OXxsbcnBC9RW/2gj2Meu+sUNj7kDg6DtjM9TTU+JYn+091Ya th/rs344JzgmzyRQF/+4+bi2B+MIm5hHaXMbVK6+gmAJ6OC027yH9BxGl/l3YcoXqA1q0RX 7vr+FNEJTnWDemmspURqFfsvCdvUdInpPAIseHJ7FtZ0g7hOjYZMT61fM4ydsJOpentXBe2 sqMa60+ntf7+zLFAGalfA== X-UI-Out-Filterresults: notjunk:1; V01:K0:zSPb1DclsgM=:FDL2famo71pjlibWbh562K wE+g6TxWIMhG3ppQH8esRkKU3YY6dDKbKSC5TEUrxpJAHSF9of8mvFD73bVgA6rWYlupBskE2 fXF8ldwW8Ss3BTzMWeIfJ0+jeJlhJjoQdSs0sYTpnzcV2teIix8ZWuppqC3SBjHWZPG9tkKL/ o3NmEu3ZV9AIb07C7f50k42OtEtwME0UDZ7DBzVBb9tVEE6pz8G8gx2HViSLHKzLPKUPg5ikE zqF/m+N8kNCLwZyDdmMfPnWUbCNOTL19P0S2FaVn7M77ShdWKKK17Fi+xxLr4vL60QPMoGoK3 +Zdq4Tc2tfjtDDhqcgEoeJW9Hp8knDBasRLnhP8rTRFpBx5P1P8icYN9Ibj+uPYmnSSZmDYGI wdw1dCBrzM50rAKe7Ay+O6AaFFsJLgKl1vse/WW+LgJiWeX+8ru/buqWONBIDxkHeIVYqIcJM ARsgerDc5mZXtO6Uz0lld2oUezCWYuJw/w4SzAt8ZD3rrtZgCJlqD60dFuQIdgGR0umPswYO5 2Ac0V2v/tT26PQ7LZtAE3Fw2pu35lrnaJZ+EqsXMQY8CVgQ1KfYVULBRWQRN52TmqpkoRALxI ZGaJ0Wg84XbdfKr0dKURczWL/PVvfE1QwrGCYTDAMzSr23u81PHzHmg3nhwiTn6OuhpAsfbVr f7P5732rKNCJWrh/FQ94U4VvNjqomGrFkpXuS3W6I0rLzALvnVAE3El5rsy/deLHqBjA= 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: