From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bich HEMON Subject: [PATCH 02/20] dt-bindings: serial: each stm32 usart needs an alias Date: Mon, 26 Jun 2017 12:49:09 +0000 Message-ID: <1498481318-1894-3-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="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1498481318-1894-1-git-send-email-bich.hemon@st.com> Content-Language: en-US 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 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: devicetree@vger.kernel.org From: Bich Hemon Each usart controller should have an alias correctly numbered in "aliases" node. Signed-off-by: Gerald Baeza --- Documentation/devicetree/bindings/serial/st,stm32-usart.txt | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt index 85ec5f2..a229b14 100644 --- a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt +++ b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt @@ -15,14 +15,23 @@ Optional properties: - dmas: phandle(s) to DMA controller node(s). Refer to stm32-dma.txt - dma-names: "rx" and/or "tx" +Note: Each usart controller should have an alias correctly numbered +in "aliases" node. + Examples: -usart4: serial@40004c00 { +aliases { + serial0 = &usart1; + serial1 = &usart2; + serial3 = &uart4; +}; + +uart4: serial@40004c00 { compatible = "st,stm32-uart"; reg = <0x40004c00 0x400>; interrupts = <52>; clocks = <&clk_pclk1>; pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_usart4>; + pinctrl-0 = <&pinctrl_uart4>; }; usart2: serial@40004400 { -- 1.9.1