Thread (9 messages) 9 messages, 2 authors, 2018-07-21

[PATCH v5 2/4] dt-bindings: mailbox: imx-mu: add generic MU channel support

From: aisheng.dong@nxp.com (A.s. Dong)
Date: 2018-07-21 13:19:30
Also in: linux-devicetree

-----Original Message-----
From: Oleksij Rempel [mailto:o.rempel at pengutronix.de]
Sent: Saturday, July 21, 2018 9:08 PM
To: Shawn Guo <shawnguo@kernel.org>; Fabio Estevam
[off-list ref]; Rob Herring [off-list ref]; Mark
Rutland [off-list ref]; A.s. Dong [off-list ref];
Vladimir Zapolskiy [off-list ref]
Cc: Oleksij Rempel <o.rempel@pengutronix.de>; kernel at pengutronix.de;
linux-arm-kernel at lists.infradead.org; devicetree at vger.kernel.org; dl-linux-
imx [off-list ref]
Subject: [PATCH v5 2/4] dt-bindings: mailbox: imx-mu: add generic MU
channel support

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>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>

Regards
Dong Aisheng
quoted hunk ↗ jump to hunk
---
 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
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