From mboxrd@z Thu Jan 1 00:00:00 1970 From: fugang.duan@nxp.com Subject: [PATCH RESEND 1/1] dt-bindings: serial: lpuart: add the clock requirement for imx8qxp Date: Thu, 4 Jul 2019 21:43:55 +0800 Message-ID: <20190704134355.2402-1-fugang.duan@nxp.com> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org Cc: gregkh@linuxfoundation.org, festevam@gmail.com, daniel.baluta@gmail.com, fugang.duan@nxp.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org From: Fugang Duan Add the baud clock requirement for imx8qxp. Signed-off-by: Fugang Duan --- Documentation/devicetree/bindings/serial/fsl-lpuart.txt | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/serial/fsl-lpuart.txt b/Documentation/devicetree/bindings/serial/fsl-lpuart.txt index 21483ba..3495eee 100644 --- a/Documentation/devicetree/bindings/serial/fsl-lpuart.txt +++ b/Documentation/devicetree/bindings/serial/fsl-lpuart.txt @@ -13,7 +13,10 @@ Required properties: - reg : Address and length of the register set for the device - interrupts : Should contain uart interrupt - clocks : phandle + clock specifier pairs, one for each entry in clock-names -- clock-names : should contain: "ipg" - the uart clock +- clock-names : For vf610/ls1021a/imx7ulp, "ipg" clock is for uart bus/baud + clock. For imx8qxp lpuart, "ipg" clock is bus clock that is used to access + lpuart controller registers, it also requires "baud" clock for module to + receive/transmit data. Optional properties: - dmas: A list of two dma specifiers, one for each entry in dma-names. -- 2.7.4