From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bich HEMON Subject: [PATCH 14/20] dt-bindings: serial: document option wake-up interrupt for STM32 USART Date: Mon, 26 Jun 2017 12:49:15 +0000 Message-ID: <1498481318-1894-15-git-send-email-bich.hemon@st.com> References: <1498481318-1894-1-git-send-email-bich.hemon@st.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8BIT Return-path: In-Reply-To: <1498481318-1894-1-git-send-email-bich.hemon-qxv4g6HH51o@public.gmane.org> Content-Language: en-US Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Greg Kroah-Hartman , Rob Herring , Mark Rutland , Maxime Coquelin , Alexandre TORGUE , Jiri Slaby , "linux-serial-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" Cc: Bich HEMON List-Id: devicetree@vger.kernel.org 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. - 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. - 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 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html