diff options
author | Stephane Dion <stephane.dion_1@nxp.com> | 2019-06-13 17:29:30 +0200 |
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committer | Silvano di Ninno <silvano.dininno@nxp.com> | 2019-12-05 16:26:06 +0100 |
commit | 8517b82c84a544778f1f27f130c236cd30fb082d (patch) | |
tree | 564237fbf3be1726aea5bf5d210b041a9840a565 /Documentation | |
parent | 51ee01ba92534e2c57f0844a40c3223b041042f2 (diff) |
SHE-17 dt-bindings: add i.MX8 SECO MU driver bindings
Documentation of device-tree entry describing messaging
unit (MU) used to communicate with SECO core on i.MX8.
Signed-off-by: Stephane Dion <stephane.dion_1@nxp.com>
(cherry picked from commit 238c7e4dab3b500c61b7def62dcd940b9c103658)
(cherry picked from commit 610cf8e7345367e980ad694343af2d5d73a60cef)
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/soc/fsl/imx_seco_mu.txt | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/soc/fsl/imx_seco_mu.txt b/Documentation/devicetree/bindings/soc/fsl/imx_seco_mu.txt new file mode 100644 index 000000000000..0813955af851 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/fsl/imx_seco_mu.txt @@ -0,0 +1,24 @@ +NXP i.MX8 SECO MU + +Driver for exchanging messages with SECO core on i.MX8 SOC. +Communication with SECO is performed through a Messaging Unit (MU). +Exposes a char device to user-space. + +Required properties: + - compatible : Contains "fsl,imx8-seco-mu". + - reg : Offset and length of the register set for the device. + - power-domains : phandle pointing to power domain. + - interrupts : the interrupt line from the MU. + - fsl,seco_mu_id : Index of this MU from SECO point of view. + - fsl,seco_max_users: Maximum number of users allowed to share this MU. + +Example: +mu_seco2: mu@31560000 { + compatible = "fsl,imx8-seco-mu"; + reg = <0x0 0x31560000 0x0 0x10000>; + power-domains = <&pd_seco_mu_2>; + interrupts = <GIC_SPI 448 IRQ_TYPE_LEVEL_HIGH>; + fsl,seco_mu_id = <2>; + fsl,seco_max_users = <2>; + status = "okay"; +}; |