diff options
Diffstat (limited to 'Documentation/devicetree/bindings/powerpc/fsl/srio-rmu.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/powerpc/fsl/srio-rmu.txt | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/Documentation/devicetree/bindings/powerpc/fsl/srio-rmu.txt b/Documentation/devicetree/bindings/powerpc/fsl/srio-rmu.txt deleted file mode 100644 index b9a8a2bcfae..00000000000 --- a/Documentation/devicetree/bindings/powerpc/fsl/srio-rmu.txt +++ /dev/null @@ -1,163 +0,0 @@ -Message unit node: - -For SRIO controllers that implement the message unit as part of the controller -this node is required. For devices with RMAN this node should NOT exist. The -node is composed of three types of sub-nodes ("fsl-srio-msg-unit", -"fsl-srio-dbell-unit" and "fsl-srio-port-write-unit"). - -See srio.txt for more details about generic SRIO controller details. - - - compatible - Usage: required - Value type: <string> - Definition: Must include "fsl,srio-rmu-vX.Y", "fsl,srio-rmu". - - The version X.Y should match the general SRIO controller's IP Block - revision register's Major(X) and Minor (Y) value. - - - reg - Usage: required - Value type: <prop-encoded-array> - Definition: A standard property. Specifies the physical address and - length of the SRIO configuration registers for message units - and doorbell units. - - - fsl,liodn - Usage: optional-but-recommended (for devices with PAMU) - Value type: <prop-encoded-array> - Definition: The logical I/O device number for the PAMU (IOMMU) to be - correctly configured for SRIO accesses. The property should - not exist on devices that do not support PAMU. - - The LIODN value is associated with all RMU transactions - (msg-unit, doorbell, port-write). - -Sub-Nodes for RMU: The RMU node is composed of multiple sub-nodes that -correspond to the actual sub-controllers in the RMU. The manual for a given -SoC will detail which and how many of these sub-controllers are implemented. - -Message Unit: - - - compatible - Usage: required - Value type: <string> - Definition: Must include "fsl,srio-msg-unit-vX.Y", "fsl,srio-msg-unit". - - The version X.Y should match the general SRIO controller's IP Block - revision register's Major(X) and Minor (Y) value. - - - reg - Usage: required - Value type: <prop-encoded-array> - Definition: A standard property. Specifies the physical address and - length of the SRIO configuration registers for message units - and doorbell units. - - - interrupts - Usage: required - Value type: <prop_encoded-array> - Definition: Specifies the interrupts generated by this device. The - value of the interrupts property consists of one interrupt - specifier. The format of the specifier is defined by the - binding document describing the node's interrupt parent. - - A pair of IRQs are specified in this property. The first - element is associated with the transmit (TX) interrupt and the - second element is associated with the receive (RX) interrupt. - -Doorbell Unit: - - - compatible - Usage: required - Value type: <string> - Definition: Must include: - "fsl,srio-dbell-unit-vX.Y", "fsl,srio-dbell-unit" - - The version X.Y should match the general SRIO controller's IP Block - revision register's Major(X) and Minor (Y) value. - - - reg - Usage: required - Value type: <prop-encoded-array> - Definition: A standard property. Specifies the physical address and - length of the SRIO configuration registers for message units - and doorbell units. - - - interrupts - Usage: required - Value type: <prop_encoded-array> - Definition: Specifies the interrupts generated by this device. The - value of the interrupts property consists of one interrupt - specifier. The format of the specifier is defined by the - binding document describing the node's interrupt parent. - - A pair of IRQs are specified in this property. The first - element is associated with the transmit (TX) interrupt and the - second element is associated with the receive (RX) interrupt. - -Port-Write Unit: - - - compatible - Usage: required - Value type: <string> - Definition: Must include: - "fsl,srio-port-write-unit-vX.Y", "fsl,srio-port-write-unit" - - The version X.Y should match the general SRIO controller's IP Block - revision register's Major(X) and Minor (Y) value. - - - reg - Usage: required - Value type: <prop-encoded-array> - Definition: A standard property. Specifies the physical address and - length of the SRIO configuration registers for message units - and doorbell units. - - - interrupts - Usage: required - Value type: <prop_encoded-array> - Definition: Specifies the interrupts generated by this device. The - value of the interrupts property consists of one interrupt - specifier. The format of the specifier is defined by the - binding document describing the node's interrupt parent. - - A single IRQ that handles port-write conditions is - specified by this property. (Typically shared with error). - - Note: All other standard properties (see the ePAPR) are allowed - but are optional. - -Example: - rmu: rmu@d3000 { - compatible = "fsl,srio-rmu"; - reg = <0xd3000 0x400>; - ranges = <0x0 0xd3000 0x400>; - fsl,liodn = <0xc8>; - - message-unit@0 { - compatible = "fsl,srio-msg-unit"; - reg = <0x0 0x100>; - interrupts = < - 60 2 0 0 /* msg1_tx_irq */ - 61 2 0 0>;/* msg1_rx_irq */ - }; - message-unit@100 { - compatible = "fsl,srio-msg-unit"; - reg = <0x100 0x100>; - interrupts = < - 62 2 0 0 /* msg2_tx_irq */ - 63 2 0 0>;/* msg2_rx_irq */ - }; - doorbell-unit@400 { - compatible = "fsl,srio-dbell-unit"; - reg = <0x400 0x80>; - interrupts = < - 56 2 0 0 /* bell_outb_irq */ - 57 2 0 0>;/* bell_inb_irq */ - }; - port-write-unit@4e0 { - compatible = "fsl,srio-port-write-unit"; - reg = <0x4e0 0x20>; - interrupts = <16 2 1 11>; - }; - }; |