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dt-bindings: remoteproc: imx_rproc: add i.MX8MQ/M support
Add i.MX8MQ/M support, also include mailbox for rpmsg/virtio usage. Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Peng Fan <peng.fan@nxp.com> Link: https://lore.kernel.org/r/1615029865-23312-3-git-send-email-peng.fan@oss.nxp.com Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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@ -4,7 +4,7 @@
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$id: "http://devicetree.org/schemas/remoteproc/fsl,imx-rproc.yaml#"
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$schema: "http://devicetree.org/meta-schemas/core.yaml#"
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title: NXP iMX6SX/iMX7D Co-Processor Bindings
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title: NXP i.MX Co-Processor Bindings
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description:
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This binding provides support for ARM Cortex M4 Co-processor found on some NXP iMX SoCs.
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@ -15,6 +15,8 @@ maintainers:
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properties:
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compatible:
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enum:
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- fsl,imx8mq-cm4
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- fsl,imx8mm-cm4
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- fsl,imx7d-cm4
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- fsl,imx6sx-cm4
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@ -26,6 +28,20 @@ properties:
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description:
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Phandle to syscon block which provide access to System Reset Controller
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mbox-names:
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items:
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- const: tx
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- const: rx
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- const: rxdb
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mboxes:
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description:
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This property is required only if the rpmsg/virtio functionality is used.
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List of <&phandle type channel> - 1 channel for TX, 1 channel for RX, 1 channel for RXDB.
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(see mailbox/fsl,mu.yaml)
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minItems: 1
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maxItems: 3
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memory-region:
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description:
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If present, a phandle for a reserved memory area that used for vdev buffer,
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@ -58,4 +74,17 @@ examples:
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clocks = <&clks IMX7D_ARM_M4_ROOT_CLK>;
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};
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- |
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#include <dt-bindings/clock/imx8mm-clock.h>
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imx8mm-cm4 {
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compatible = "fsl,imx8mm-cm4";
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clocks = <&clk IMX8MM_CLK_M4_DIV>;
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mbox-names = "tx", "rx", "rxdb";
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mboxes = <&mu 0 1
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&mu 1 1
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&mu 3 1>;
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memory-region = <&vdev0buffer>, <&vdev0vring0>, <&vdev0vring1>, <&rsc_table>;
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syscon = <&src>;
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};
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...
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