From mboxrd@z Thu Jan 1 00:00:00 1970 From: o.rempel@pengutronix.de (Oleksij Rempel) Date: Thu, 26 Jul 2018 08:53:28 +0200 Subject: [PATCH v7 3/6] dt-bindings: mailbox: imx-mu: add generic MU channel support In-Reply-To: <20180726065331.6186-1-o.rempel@pengutronix.de> References: <20180726065331.6186-1-o.rempel@pengutronix.de> Message-ID: <20180726065331.6186-4-o.rempel@pengutronix.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Each MU has four pairs of rx/tx data register with four rx/tx interrupts which can also be used as a separate channel. Reviewed-by: Rob Herring Reviewed-by: Dong Aisheng Signed-off-by: Oleksij Rempel --- Documentation/devicetree/bindings/mailbox/fsl,mu.txt | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/mailbox/fsl,mu.txt b/Documentation/devicetree/bindings/mailbox/fsl,mu.txt index 90e4905dfc69..113d6ab931ef 100644 --- a/Documentation/devicetree/bindings/mailbox/fsl,mu.txt +++ b/Documentation/devicetree/bindings/mailbox/fsl,mu.txt @@ -22,7 +22,14 @@ Required properties: - reg : Should contain the registers location and length - interrupts : Interrupt number. The interrupt specifier format depends on the interrupt controller parent. -- #mbox-cells: Must be 0. Number of cells in a mailbox +- #mbox-cells: Must be: + 0 - for single channel mode. i.MX8* SCU protocol specific. + 1 - for multichannel (generic) mode. + +Optional properties: +------------------- +- clocks : phandle to the input clock. +- fsl,mu-side-b : Should be set for side B MU. Examples: -------- -- 2.18.0