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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add binding document for iProc based IDM devices. Signed-off-by: Ray Jui --- .../bindings/soc/bcm/brcm,iproc-idm.txt | 44 +++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/bcm/brcm,iproc-idm.txt diff --git a/Documentation/devicetree/bindings/soc/bcm/brcm,iproc-idm.txt b/Documentation/devicetree/bindings/soc/bcm/brcm,iproc-idm.txt new file mode 100644 index 000000000000..388c6b036d7e --- /dev/null +++ b/Documentation/devicetree/bindings/soc/bcm/brcm,iproc-idm.txt @@ -0,0 +1,44 @@ +Broadcom iProc Interconnect Device Management (IDM) device + +The Broadcom iProc IDM device allows control and monitoring of ASIC internal +bus transactions. Most importantly, it can be configured to detect bus +transaction timeout. In such case, critical information such as transaction +address that caused the error, bus master ID of the transaction that caused +the error, and etc., are made available from the IDM device. + +------------------------------------------------------------------------------- + +Required properties for IDM device node: +- compatible: must be "brcm,iproc-idm" +- reg: base address and length of the IDM register space +- interrupt: IDM interrupt number +- brcm,iproc-idm-bus: IDM bus string + +Optional properties for IDM device node: +- brcm,iproc-idm-elog: phandle to the device node of the IDM logging device + +------------------------------------------------------------------------------- + +Required properties for IDM error logging device node: +- compatible: must be "brcm,iproc-idm-elog"; +- reg: base address and length of reserved memory location where IDM error + events can be saved + +------------------------------------------------------------------------------- + +Example: + +idm { + idm-elog { + compatible = "brcm,iproc-idm-elog"; + reg = <0x8f221000 0x1000>; + }; + + idm-mhb-paxc-axi { + compatible = "brcm,iproc-idm"; + reg = <0x60406900 0x200>; + interrupt = ; + brcm,iproc-idm-bus = "idm-mhb-paxc-axi"; + brcm,iproc-idm-elog = <&idm-elog>; + }; +}; -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel