| Message ID | 20180721130827.944-3-o.rempel@pengutronix.de |
|---|---|
| State | Superseded, archived |
| Headers | show |
| Series | None | expand |
> -----Original Message----- > From: Oleksij Rempel [mailto:o.rempel@pengutronix.de] > Sent: Saturday, July 21, 2018 9:08 PM > To: Shawn Guo <shawnguo@kernel.org>; Fabio Estevam > <fabio.estevam@nxp.com>; Rob Herring <robh+dt@kernel.org>; Mark > Rutland <mark.rutland@arm.com>; A.s. Dong <aisheng.dong@nxp.com>; > Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> > Cc: Oleksij Rempel <o.rempel@pengutronix.de>; kernel@pengutronix.de; > linux-arm-kernel@lists.infradead.org; devicetree@vger.kernel.org; dl-linux- > imx <linux-imx@nxp.com> > 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 > --- > 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 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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: --------
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(-)