From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bich HEMON Subject: [PATCH 1/2] dt-bindings: serial: stm32: add RS485 optional properties Date: Wed, 28 Feb 2018 10:56:18 +0000 Message-ID: <1519815373-22940-2-git-send-email-bich.hemon@st.com> References: <1519815373-22940-1-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: <1519815373-22940-1-git-send-email-bich.hemon@st.com> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: Greg Kroah-Hartman , Rob Herring , 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" Cc: Bich HEMON List-Id: linux-serial@vger.kernel.org Add options for enabling RS485 hardware control and configuring Driver Enable signal: - rs485-rts-delay - rs485-rx-during-tx - rs485-rts-active-low - linux,rs485-enabled-at-boot-time Signed-off-by: Bich Hemon --- Documentation/devicetree/bindings/serial/st,stm32-usart.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt index aaeb564..81e0011 100644 --- a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt +++ b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt @@ -16,6 +16,8 @@ Required properties: Optional properties: - pinctrl: The reference on the pins configuration - st,hw-flow-ctrl: bool flag to enable hardware flow control. +- rs485-rts-delay, rs485-rx-during-tx, rs485-rts-active-low, + linux,rs485-enabled-at-boot-time: see rs485.txt. - dmas: phandle(s) to DMA controller node(s). Refer to stm32-dma.txt - dma-names: "rx" and/or "tx" - wakeup-source: bool flag to indicate this device has wakeup capabilities -- 1.9.1