[PATCH v5 2/4] dt-bindings: mailbox: imx-mu: add generic MU channel support
From: o.rempel@pengutronix.de (Oleksij Rempel)
Date: 2018-07-21 13:08:25
Also in:
linux-devicetree
Subsystem:
mailbox api, open firmware and flattened device tree bindings, the rest · Maintainers:
Jassi Brar, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Each MU has four pairs of rx/tx data register with four rx/tx interrupts which can also be used as a separate channel. Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> --- 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