From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752655AbcEDNU2 (ORCPT ); Wed, 4 May 2016 09:20:28 -0400 Received: from mail.kernel.org ([198.145.29.136]:46547 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751136AbcEDNUZ (ORCPT ); Wed, 4 May 2016 09:20:25 -0400 Date: Wed, 4 May 2016 08:20:20 -0500 From: Rob Herring To: Ray Jui Cc: Linus Walleij , Alexandre Courbot , linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, devicetree@vger.kernel.org Subject: Re: [PATCH v2 1/2] dt-bindings: Update iProc GPIO bindings Message-ID: <20160504132020.GA21065@rob-hp-laptop> References: <1462222308-4869-1-git-send-email-ray.jui@broadcom.com> <1462222308-4869-2-git-send-email-ray.jui@broadcom.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1462222308-4869-2-git-send-email-ray.jui@broadcom.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 02, 2016 at 01:51:47PM -0700, Ray Jui wrote: > Update the iProc GPIO binding document to add new compatible strings > "brcm,iproc-gpio-v2" and "brcm,iproc-gpio-v3" for the 2nd and 3rd > generation of the iProc GPIO controllers > > Signed-off-by: Ray Jui > --- > Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt | 11 ++++++++++- > 1 file changed, 10 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt b/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt > index e427792..3a56649 100644 > --- a/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt > +++ b/Documentation/devicetree/bindings/pinctrl/brcm,iproc-gpio.txt > @@ -4,7 +4,16 @@ Required properties: > > - compatible: > Must be "brcm,cygnus-ccm-gpio", "brcm,cygnus-asiu-gpio", > - "brcm,cygnus-crmu-gpio" or "brcm,iproc-gpio" > + or "brcm,cygnus-crmu-gpio" for Cygnus SoCs > + > + "brcm,iproc-gpio" for the first generation of the GPIO controller that > + supports full-featured pinctrl and GPIO functions used in iProc based SoCs > + > + "brcm,iproc-gpio-v2" for the second generation of the GPIO controller that > + has the drive strength pinctrl support disabled, e.g., in the iProc NSP SoC > + > + "brcm,iproc-gpio-v3" for the third generation of the GPIO controller that > + has the general pinctrl support completely disabled You can have these for driver matching, but you still need SoC specific compatible strings. Rob