[v6,3/5] dt-bindings: mailbox: imx-mu: add generic MU channel support
diff mbox series

Message ID 20180722063923.30222-4-o.rempel@pengutronix.de
State Not Applicable
Headers show
Series
  • [v6,1/5] dt-bindings: mailbox: allow mbox-cells to be equal to 0
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Commit Message

Oleksij Rempel July 22, 2018, 6:39 a.m. UTC
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: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
 Documentation/devicetree/bindings/mailbox/fsl,mu.txt | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

Comments

Rob Herring July 24, 2018, 11:19 p.m. UTC | #1
On Sun, Jul 22, 2018 at 08:39:21AM +0200, Oleksij Rempel wrote:
> 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: Dong Aisheng <aisheng.dong@nxp.com>
> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
> ---
>  Documentation/devicetree/bindings/mailbox/fsl,mu.txt | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)

Reviewed-by: Rob Herring <robh@kernel.org>
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Patch
diff mbox series

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:
 --------