This patch adds documentation for the APM X-Gene SoC EDAC DTS binding. Signed-off-by: Feng Kan <fkan@xxxxxxx> Signed-off-by: Loc Ho <lho@xxxxxxx> --- .../devicetree/bindings/edac/apm-xgene-edac.txt | 107 ++++++++++++++++++++ 1 files changed, 107 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/edac/apm-xgene-edac.txt diff --git a/Documentation/devicetree/bindings/edac/apm-xgene-edac.txt b/Documentation/devicetree/bindings/edac/apm-xgene-edac.txt new file mode 100644 index 0000000..548299a --- /dev/null +++ b/Documentation/devicetree/bindings/edac/apm-xgene-edac.txt @@ -0,0 +1,107 @@ +* APM X-Gene SoC EDAC nodes + +EDAC nodes are defined to describe on-chip error detection and correction. +There are four types of EDAC: + + memory controller - Memory controller + PMD (L1/L2) - Processor module unit (PMD) L1/L2 cache + L3 - CPU L3 cache + SoC - SoC IP such as SATA, Ethernet, and etc + +The following section describes the memory controller DT node binding. + +Required properties: +- compatible : Shall be "apm,xgene-edac-mc". +- regmap-pcp : Regmap of the PCP resource. +- regmap-csw : Regmap of the CSW resource. +- regmap-mcba : Regmap of the MCB-A resource. +- regmap-mcbb : Regmap of the MCB-B resource. +- reg : First resource shall be the MCU resource. +- interrupts : Interrupt-specifier for MCU error IRQ(s). + +The following section describes the L1/L2 DT node binding. + +- compatible : Shall be "apm,xgene-edac-pmd". +- regmap-pcp : Regmap of the PCP resource. +- regmap-efuse : Regmap of the PMD efuse resource. +- reg : First resource shall be the PMD resource. +- interrupts : Interrupt-specifier for PMD error IRQ(s). + +The following section describes the L3 DT node binding. + +- compatible : Shall be "apm,xgene-edac-l3". +- regmap-pcp : Regmap of the PCP resource. +- reg : First resource shall be the L3 resource. +- interrupts : Interrupt-specifier for L3 error IRQ(s). + +The following section describes the SoC DT node binding. + +- compatible : Shall be "apm,xgene-edac-soc"". +- regmap-pcp : Regmap of the PCP resource. +- reg : First resource shall be the SoC resource. + Second resource shall be the register bus resource. +- interrupts : Interrupt-specifier for SoC error IRQ(s). + +Example: + efuse: efuse@1054a000 { + compatible = "syscon"; + reg = <0x0 0x1054a000 0x0 0x20>; + }; + + pcperror: pcperror@78800000 { + compatible = "syscon"; + reg = <0x0 0x78800000 0x0 0x100>; + }; + + csw: csw@7e200000 { + compatible = "syscon"; + reg = <0x0 0x7e200000 0x0 0x1000>; + }; + + mcba: mcba@7e700000 { + compatible = "syscon"; + reg = <0x0 0x7e700000 0x0 0x1000>; + }; + + mcbb: mcbb@7e720000 { + compatible = "syscon"; + reg = <0x0 0x7e720000 0x0 0x1000>; + }; + + edacmc0: edacmc0@7e800000 { + compatible = "apm,xgene-edac-mc"; + regmap-pcp = <&pcperror>; + regmap-csw = <&csw>; + regmap-mcba = <&mcba>; + regmap-mcbb = <&mcbb>; + reg = <0x0 0x7e800000 0x0 0x1000>; + interrupts = <0x0 0x20 0x4>, + <0x0 0x21 0x4>; + }; + + edacpmd0: edacpmd0@7c000000 { + compatible = "apm,xgene-edac-pmd"; + regmap-pcp = <&pcperror>; + regmap-efuse = <&efuse>; + reg = <0x0 0x7c000000 0x0 0x200000>; + interrupts = <0x0 0x20 0x4>, + <0x0 0x21 0x4>; + }; + + edacl3: edacl3@7e600000 { + compatible = "apm,xgene-edac-l3"; + regmap-pcp = <&pcperror>; + reg = <0x0 0x7e600000 0x0 0x1000>; + interrupts = <0x0 0x20 0x4>, + <0x0 0x21 0x4>; + }; + + edacsoc: edacsoc@7e930000 { + compatible = "apm,xgene-edac-soc"; + regmap-pcp = <&pcperror>; + reg = <0x0 0x7e930000 0x0 0x1000>, + <0x0 0x7e000000 0x0 0x1000>; + interrupts = <0x0 0x20 0x4>, + <0x0 0x21 0x4>, + <0x0 0x27 0x4>; + }; -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html