From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chunyan Zhang Subject: [PATCH V3 3/4] dt-bindings: serial: add a new compatible string for SC9860 Date: Thu, 2 Mar 2017 14:22:09 +0800 Message-ID: <1488435730-6711-4-git-send-email-chunyan.zhang@spreadtrum.com> References: <1488435730-6711-1-git-send-email-chunyan.zhang@spreadtrum.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1488435730-6711-1-git-send-email-chunyan.zhang@spreadtrum.com> 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: robh+dt@kernel.org, mark.rutland@arm.com, gregkh@linuxfoundation.org, catalin.marinas@arm.com, will.deacon@arm.com, arnd@arndb.de Cc: devicetree@vger.kernel.org, orson.zhai@spreadtrum.com, zhang.lyra@gmail.com, linux-kernel@vger.kernel.org, sudeep.holla@arm.com, chunyan.zhang@spreadtrum.com, linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org SC9860 use the same serial device, so added a new compatible string to support SC9860 as well, also added an example of how to describe this serial device in DT. Signed-off-by: Chunyan Zhang --- Documentation/devicetree/bindings/serial/sprd-uart.txt | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/serial/sprd-uart.txt b/Documentation/devicetree/bindings/serial/sprd-uart.txt index 2aff0f2..8bd8144 100644 --- a/Documentation/devicetree/bindings/serial/sprd-uart.txt +++ b/Documentation/devicetree/bindings/serial/sprd-uart.txt @@ -1,7 +1,20 @@ * Spreadtrum serial UART Required properties: -- compatible: must be "sprd,sc9836-uart" +- compatible must contain: + * "sprd,sc9836-uart" for SC9836 and all Spreadtrum SoCs + This also can be specific with: + * "sprd,sc9860-uart" for SC9860 + - reg: offset and length of the register set for the device - interrupts: exactly one interrupt specifier - clocks: phandles to input clocks. + +Example: + uart0: serial@70000000 { + compatible = "sprd,sc9860-uart", + "sprd,sc9836-uart"; + reg = <0x000000 0x100>; + interrupts = ; + clocks = <&ext_26m>; + }; -- 2.7.4