[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.txtb/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