From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH V2 3/8] dt-bindings: gpio: vf610: add optional clocks property Date: Wed, 24 Oct 2018 16:55:43 -0500 Message-ID: <20181024215543.GA26387@bogus> References: <1540295058-26090-1-git-send-email-aisheng.dong@nxp.com> <1540295058-26090-4-git-send-email-aisheng.dong@nxp.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <1540295058-26090-4-git-send-email-aisheng.dong@nxp.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org Cc: "A.s. Dong" , Mark Rutland , "dongas86@gmail.com" , "devicetree@vger.kernel.org" , Linus Walleij , "linux@armlinux.org.uk" , Stefan Agner , "linux-gpio@vger.kernel.org" , "robh+dt@kernel.org" , dl-linux-imx , "kernel@pengutronix.de" , Fabio Estevam , "shawnguo@kernel.org" , "linux-arm-kernel@lists.infradead.org" List-Id: linux-gpio@vger.kernel.org On Tue, 23 Oct 2018 11:49:13 +0000, "A.s. Dong" wrote: > On some SoCs(e.g. MX7ULP), GPIO clock is gatable and maybe > disabled by default. Users have to make sure it's enabled before > being able to access controller registers, otherwise an external > abort error may occur. Let's add the optional clocks property to > handle this case. > > For ULP GPIO clock, it includes two separate clocks: one is for > GPIO controller Input/Output function clock while another is > GPIO port control clock for interrupt function. > > Cc: Linus Walleij > Cc: Rob Herring > Cc: Mark Rutland > Cc: Stefan Agner > Cc: linux-gpio@vger.kernel.org > Cc: devicetree@vger.kernel.org > Signed-off-by: Dong Aisheng > --- > v1->v2: > * new patch > --- > Documentation/devicetree/bindings/gpio/gpio-vf610.txt | 6 ++++++ > 1 file changed, 6 insertions(+) > Reviewed-by: Rob Herring