From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH v2] dt-bindings: serial: add documentation for Rx in-band wakeup support Date: Tue, 9 Jul 2019 14:04:13 -0600 Message-ID: <20190709200413.GA31193@bogus> References: <20190619084110.136713-1-tientzu@chromium.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20190619084110.136713-1-tientzu-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+glpam-linux-mediatek=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org Cc: mark.rutland-5wv7dgnIgG8@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, drinkcat-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, changqi.hu-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-serial-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Claire Chang List-Id: devicetree@vger.kernel.org On Wed, 19 Jun 2019 16:41:10 +0800, Claire Chang wrote: > To support Rx in-band wakeup, one must create an interrupt specifier with > edge sensitivity on Rx pin and an addtional pinctrl to reconfigure Rx pin > to normal GPIO in sleep state. Driver will switch to sleep mode pinctrl and > enable irq wake before suspend and restore to default settings when > resuming. > > Signed-off-by: Claire Chang > --- > changes in v2: > just document 'interrupts' instead of 'interrupts-extended' > > .../devicetree/bindings/serial/mtk-uart.txt | 13 +++++++++++-- > 1 file changed, 11 insertions(+), 2 deletions(-) > Applied, thanks. Rob