Path: csiph.com!news.mixmin.net!news.unit0.net!news.panservice.it!bofh.it!news.nic.it!robomod From: Rob Herring Newsgroups: linux.kernel Subject: Re: [PATCH 14/20] dt-bindings: serial: document option wake-up interrupt for STM32 USART Date: Wed, 28 Jun 2017 20:20:03 +0200 Message-ID: References: X-Google-Dkim-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=g6yjBLklm8Z97+/98AHlKf4HBsdQBqbGi5joAE1Q2o8=; b=MNS/0jKPwiUUghGJyw++luXszBJa0+2Pn6qBbn66yQaddqbDaXCzB6XMAdwpCOrOa8 T55fVja46ynPty0mKhHfwJhh8uVZ8GAABo7J23pjcYJjdpWaigJqcGOZYarft8mNxPlA d2bONFMdFg209obakFpgmzO7jwIU3iXMMKuv/PYku+QRUvZk6nTVRjJdNXVRsaN6e1wh 4CLiRVs0U6o3Vn1e6zMSNlipdJL9wjN7EuQnCo4l2GvsWz97OTewECndn/XGL7Q65dVV EEbAom68JwEi2n7MKshrzPZhZGswsP+48Y+eZXp1MqVnk1jX6j9KidzwnjCFnO79qlKh mtnA== X-Gm-Message-State: AKS2vOwzjfI0LyAVTzIaCCBq+Pv23VbLAR2rtRr2NX3p0qfmdu8zC+5S CgIy0eaXez9U4Q== X-Received: by 10.36.120.67 with SMTP id p64mr9514558itc.23.1498673415185; Wed, 28 Jun 2017 11:10:15 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: NeoMutt/20170113 (1.7.2) Sender: robomod@news.nic.it List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Approved: robomod@news.nic.it Lines: 56 Organization: linux.* mail to news gateway X-Original-Cc: Greg Kroah-Hartman , Mark Rutland , Maxime Coquelin , Alexandre TORGUE , Jiri Slaby , "linux-serial@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" X-Original-Date: Wed, 28 Jun 2017 13:10:13 -0500 X-Original-Message-ID: <20170628181013.pv2f7acbckgnsnhg@rob-hp-laptop> X-Original-References: <1498481318-1894-1-git-send-email-bich.hemon@st.com> <1498481318-1894-15-git-send-email-bich.hemon@st.com> X-Original-Sender: linux-kernel-owner@vger.kernel.org Xref: csiph.com linux.kernel:1677040 On Mon, Jun 26, 2017 at 12:49:15PM +0000, Bich HEMON wrote: > From: Bich Hemon > > Introduce new compatibles for "st,stm32h7-usart" and "st,stm32h7-uart". > This new compatible allow to use optional wake-up interrupt. > > Signed-off-by: Fabrice Gasnier > --- > .../devicetree/bindings/serial/st,stm32-usart.txt | 20 ++++++++++++++++---- > 1 file changed, 16 insertions(+), 4 deletions(-) > > diff --git a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt > index a229b14..3b42138 100644 > --- a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt > +++ b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt > @@ -2,11 +2,14 @@ > > Required properties: > - compatible: Can be either "st,stm32-usart", "st,stm32-uart", > -"st,stm32f7-usart" or "st,stm32f7-uart" depending on whether > -the device supports synchronous mode and is compatible with > -stm32(f4) or stm32f7. > +"st,stm32f7-usart", "st,stm32f7-uart", "st,stm32h7-usart" or > +st,stm32h7-uart depending on whether the device supports synchronous > +mode and is compatible with stm32(f4), stm32f7 or stm32h7. Please reformat as 1 valid set of compatibles per line. > - reg: The address and length of the peripheral registers space > -- interrupts: The interrupt line of the USART instance > +- interrupts or interrupts-extended: Must contain first, the interrupt > + line specifier for the USART instance. An optional wake-up interrupt > + specifier can be added. Then, -extended variant may be needed to specify > + interrupts parent controllers. Just describe the interrupts property and what the interrupts are. interrupts-extended is implied if it is necessary. > - clocks: The input clock of the USART instance > > Optional properties: > @@ -53,3 +56,12 @@ usart1: serial@40011000 { > <&dma2 7 4 0x414 0x0>; > dma-names = "rx", "tx"; > }; > + > +uart4: serial@40010000 { > + compatible = "st,stm32h7-uart"; > + reg = <0x40010000 0x400>; > + interrupts-extended = <&intc GIC_SPI 52 IRQ_TYPE_NONE>, > + <&aiec 30 1>; > + clocks = <&rcc UART4_K>; > + status = "disabled"; > +}; > -- > 1.9.1