MLK-15997 Document: mlb: add document for mlb

add document for mlb

Signed-off-by: Gao Pan <pandy.gao@nxp.com>

diff --git a/Documentation/devicetree/bindings/mlb/mxc_mlb.txt b/Documentation/devicetree/bindings/mlb/mxc_mlb.txt
new file mode 100644 (file)
index 0000000..e19c4e3
--- /dev/null
+++ b/Documentation/devicetree/bindings/mlb/mxc_mlb.txt
@@ -0,0 +1,26 @@
+*MediaLB (MLB) for i.MX
+
+Required properties:
+- compatible :
+  - "fsl,imx6sx-mlb50" for MLB compatible with the one integrated on i.MX6SX soc
+  - "fsl,imx6q-mlb150" for MLB compatible with the one integrated on i.MX6Q and i.MX8 soc
+- reg : address and length for mlb registers
+- interrupt-parent : core interrupt controller
+- interrupts : MLB Break/Error interrupt and ahb interrupt
+              Two ahb interrupt for imx6, ahb_int[0] and ahb_int[1]
+              One ahb interrupt for imx8, ahb_int[0]
+- clocks : mlb clock specifier
+
+Examples:
+
+mlb: mlb@5B060000 {
+       compatible = "fsl,imx6q-mlb150";
+       reg = <0x0 0x5B060000 0x0 0x10000>;
+       interrupt-parent = <&gic>;
+       interrupts = <0 265 IRQ_TYPE_LEVEL_HIGH>,
+                    <0 266 IRQ_TYPE_LEVEL_HIGH>;
+       clocks = <&clk IMX8QM_MLB_CLK>,
+                <&clk IMX8QM_MLB_HCLK>,
+                <&clk IMX8QM_MLB_IPG_CLK>;
+       status = "disabled";
+};