summaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/soc/fsl/fsl,qman-portal.yaml
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/devicetree/bindings/soc/fsl/fsl,qman-portal.yaml')
-rw-r--r--Documentation/devicetree/bindings/soc/fsl/fsl,qman-portal.yaml110
1 files changed, 110 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/soc/fsl/fsl,qman-portal.yaml b/Documentation/devicetree/bindings/soc/fsl/fsl,qman-portal.yaml
new file mode 100644
index 000000000000..17016184143f
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/fsl/fsl,qman-portal.yaml
@@ -0,0 +1,110 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/fsl/fsl,qman-portal.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: QorIQ DPAA Queue Manager Portals
+
+maintainers:
+ - Frank Li <Frank.Li@nxp.com>
+
+description:
+ Portals are memory mapped interfaces to QMan that allow low-latency, lock-less
+ interaction by software running on processor cores, accelerators and network
+ interfaces with the QMan
+
+properties:
+ compatible:
+ oneOf:
+ - const: fsl,qman-portal
+ - items:
+ - enum:
+ - fsl,ls1043-qman-portal
+ - fsl,ls1046-qman-portal
+ - fsl,qman-portal-1.2.0
+ - const: fsl,qman-portal
+
+ reg:
+ items:
+ - description: the cache-enabled region of the portal
+ - description: the cache-inhibited region of the portal
+
+ interrupts:
+ maxItems: 1
+
+ fsl,liodn:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ description: See pamu.txt. Two LIODN(s). DQRR LIODN (DLIODN) and Frame LIODN
+ (FLIODN)
+
+ fsl,iommu-parent:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: See pamu.txt.
+
+ fsl,qman-channel-id:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: qman channel id.
+
+ cell-index:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ The hardware index of the channel. This can also be
+ determined by dividing any of the channel's 8 work queue
+ IDs by 8
+
+ In addition to these properties the qman-portals should have sub-nodes to
+ represent the HW devices/portals that are connected to the software portal
+ described here
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+additionalProperties: false
+
+patternProperties:
+ '^(fman0|fman1|pme|crypto)+$':
+ type: object
+ properties:
+ fsl,liodn:
+ description: See pamu.txt, PAMU property used for static LIODN assignment
+
+ fsl,iommu-parent:
+ description: See pamu.txt, PAMU property used for dynamic LIODN assignment
+
+ dev-handle:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description:
+ The phandle to the particular hardware device that this
+ portal is connected to.
+
+ additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ qman-portal@0 {
+ compatible = "fsl,qman-portal-1.2.0", "fsl,qman-portal";
+ reg = <0 0x4000>, <0x100000 0x1000>;
+ interrupts = <104 IRQ_TYPE_EDGE_FALLING 0 0>;
+ fsl,liodn = <1 2>;
+ fsl,qman-channel-id = <0>;
+
+ fman0 {
+ fsl,liodn = <0x21>;
+ dev-handle = <&fman0>;
+ };
+
+ fman1 {
+ fsl,liodn = <0xa1>;
+ dev-handle = <&fman1>;
+ };
+
+ crypto {
+ fsl,liodn = <0x41 0x66>;
+ dev-handle = <&crypto>;
+ };
+ };