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authorFranck LENORMAND <franck.lenormand@nxp.com>2020-03-04 10:58:16 +0100
committerFranck LENORMAND <franck.lenormand@nxp.com>2020-03-12 09:29:51 +0100
commit7dd4eb4742e9c77e0ef9b458b0a48ec71bdead79 (patch)
treed5b73b3423ad5ec2f0d9c3b57360ab73955182db /Documentation/devicetree/bindings/mailbox
parent13b8e3b1fa0946938fe3836cf2a4d45d9291bb6d (diff)
MLK-23421: dt-bindings: mailbox: imx-mu: add SECO MU support
i.MX8/8X SECO MU is dedicated for communication between kernel and SECO. To use SECO MU more effectivly, add "fsl,imx8-seco-mu" compatible to support fast IPC. Signed-off-by: Peng Fan <peng.fan@nxp.com> Signed-off-by: Franck LENORMAND <franck.lenormand@nxp.com>
Diffstat (limited to 'Documentation/devicetree/bindings/mailbox')
-rw-r--r--Documentation/devicetree/bindings/mailbox/fsl,mu.txt9
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mailbox/fsl,mu.txt b/Documentation/devicetree/bindings/mailbox/fsl,mu.txt
index 9c43357c5924..2dd64b63b10c 100644
--- a/Documentation/devicetree/bindings/mailbox/fsl,mu.txt
+++ b/Documentation/devicetree/bindings/mailbox/fsl,mu.txt
@@ -23,6 +23,8 @@ Required properties:
be included together with SoC specific compatible.
There is a version 1.0 MU on imx7ulp, use "fsl,imx7ulp-mu"
compatible to support it.
+ To communicate with i.MX8 SCU, "fsl,imx8-mu-seco" could be
+ used for fast IPC
- reg : Should contain the registers location and length
- interrupts : Interrupt number. The interrupt specifier format depends
on the interrupt controller parent.
@@ -54,3 +56,10 @@ lsio_mu0: mailbox@5d1b0000 {
interrupts = <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>;
#mbox-cells = <2>;
};
+sec_mu0: mailbox@31560000 {
+ compatible = "fsl,imx8-mu-seco";
+ reg = <0x31560000 0x10000>;
+ interrupts = <GIC_SPI 448 IRQ_TYPE_LEVEL_HIGH>;
+ #mbox-cells = <2>;
+ power-domains = <&pd IMX_SC_R_SECO_MU_2>;
+};