1eef691c8STai Nguyen* APM X-Gene SoC PMU bindings 2eef691c8STai Nguyen 3eef691c8STai NguyenThis is APM X-Gene SoC PMU (Performance Monitoring Unit) module. 4eef691c8STai NguyenThe following PMU devices are supported: 5eef691c8STai Nguyen 6eef691c8STai Nguyen L3C - L3 cache controller 7eef691c8STai Nguyen IOB - IO bridge 8eef691c8STai Nguyen MCB - Memory controller bridge 9eef691c8STai Nguyen MC - Memory controller 10eef691c8STai Nguyen 11eef691c8STai NguyenThe following section describes the SoC PMU DT node binding. 12eef691c8STai Nguyen 13eef691c8STai NguyenRequired properties: 14eef691c8STai Nguyen- compatible : Shall be "apm,xgene-pmu" for revision 1 or 15eef691c8STai Nguyen "apm,xgene-pmu-v2" for revision 2. 16eef691c8STai Nguyen- regmap-csw : Regmap of the CPU switch fabric (CSW) resource. 17eef691c8STai Nguyen- regmap-mcba : Regmap of the MCB-A (memory bridge) resource. 18eef691c8STai Nguyen- regmap-mcbb : Regmap of the MCB-B (memory bridge) resource. 19eef691c8STai Nguyen- reg : First resource shall be the CPU bus PMU resource. 20eef691c8STai Nguyen- interrupts : Interrupt-specifier for PMU IRQ. 21eef691c8STai Nguyen 22eef691c8STai NguyenRequired properties for L3C subnode: 23eef691c8STai Nguyen- compatible : Shall be "apm,xgene-pmu-l3c". 24eef691c8STai Nguyen- reg : First resource shall be the L3C PMU resource. 25eef691c8STai Nguyen 26eef691c8STai NguyenRequired properties for IOB subnode: 27eef691c8STai Nguyen- compatible : Shall be "apm,xgene-pmu-iob". 28eef691c8STai Nguyen- reg : First resource shall be the IOB PMU resource. 29eef691c8STai Nguyen 30eef691c8STai NguyenRequired properties for MCB subnode: 31eef691c8STai Nguyen- compatible : Shall be "apm,xgene-pmu-mcb". 32eef691c8STai Nguyen- reg : First resource shall be the MCB PMU resource. 33eef691c8STai Nguyen- enable-bit-index : The bit indicates if the according MCB is enabled. 34eef691c8STai Nguyen 35eef691c8STai NguyenRequired properties for MC subnode: 36eef691c8STai Nguyen- compatible : Shall be "apm,xgene-pmu-mc". 37eef691c8STai Nguyen- reg : First resource shall be the MC PMU resource. 38eef691c8STai Nguyen- enable-bit-index : The bit indicates if the according MC is enabled. 39eef691c8STai Nguyen 40eef691c8STai NguyenExample: 41eef691c8STai Nguyen csw: csw@7e200000 { 42eef691c8STai Nguyen compatible = "apm,xgene-csw", "syscon"; 43eef691c8STai Nguyen reg = <0x0 0x7e200000 0x0 0x1000>; 44eef691c8STai Nguyen }; 45eef691c8STai Nguyen 46eef691c8STai Nguyen mcba: mcba@7e700000 { 47eef691c8STai Nguyen compatible = "apm,xgene-mcb", "syscon"; 48eef691c8STai Nguyen reg = <0x0 0x7e700000 0x0 0x1000>; 49eef691c8STai Nguyen }; 50eef691c8STai Nguyen 51eef691c8STai Nguyen mcbb: mcbb@7e720000 { 52eef691c8STai Nguyen compatible = "apm,xgene-mcb", "syscon"; 53eef691c8STai Nguyen reg = <0x0 0x7e720000 0x0 0x1000>; 54eef691c8STai Nguyen }; 55eef691c8STai Nguyen 56eef691c8STai Nguyen pmu: pmu@78810000 { 57eef691c8STai Nguyen compatible = "apm,xgene-pmu-v2"; 58eef691c8STai Nguyen #address-cells = <2>; 59eef691c8STai Nguyen #size-cells = <2>; 60eef691c8STai Nguyen ranges; 61eef691c8STai Nguyen regmap-csw = <&csw>; 62eef691c8STai Nguyen regmap-mcba = <&mcba>; 63eef691c8STai Nguyen regmap-mcbb = <&mcbb>; 64eef691c8STai Nguyen reg = <0x0 0x78810000 0x0 0x1000>; 65eef691c8STai Nguyen interrupts = <0x0 0x22 0x4>; 66eef691c8STai Nguyen 67eef691c8STai Nguyen pmul3c@7e610000 { 68eef691c8STai Nguyen compatible = "apm,xgene-pmu-l3c"; 69eef691c8STai Nguyen reg = <0x0 0x7e610000 0x0 0x1000>; 70eef691c8STai Nguyen }; 71eef691c8STai Nguyen 72eef691c8STai Nguyen pmuiob@7e940000 { 73eef691c8STai Nguyen compatible = "apm,xgene-pmu-iob"; 74eef691c8STai Nguyen reg = <0x0 0x7e940000 0x0 0x1000>; 75eef691c8STai Nguyen }; 76eef691c8STai Nguyen 77eef691c8STai Nguyen pmucmcb@7e710000 { 78eef691c8STai Nguyen compatible = "apm,xgene-pmu-mcb"; 79eef691c8STai Nguyen reg = <0x0 0x7e710000 0x0 0x1000>; 80eef691c8STai Nguyen enable-bit-index = <0>; 81eef691c8STai Nguyen }; 82eef691c8STai Nguyen 83eef691c8STai Nguyen pmucmcb@7e730000 { 84eef691c8STai Nguyen compatible = "apm,xgene-pmu-mcb"; 85eef691c8STai Nguyen reg = <0x0 0x7e730000 0x0 0x1000>; 86eef691c8STai Nguyen enable-bit-index = <1>; 87eef691c8STai Nguyen }; 88eef691c8STai Nguyen 89eef691c8STai Nguyen pmucmc@7e810000 { 90eef691c8STai Nguyen compatible = "apm,xgene-pmu-mc"; 91eef691c8STai Nguyen reg = <0x0 0x7e810000 0x0 0x1000>; 92eef691c8STai Nguyen enable-bit-index = <0>; 93eef691c8STai Nguyen }; 94eef691c8STai Nguyen 95eef691c8STai Nguyen pmucmc@7e850000 { 96eef691c8STai Nguyen compatible = "apm,xgene-pmu-mc"; 97eef691c8STai Nguyen reg = <0x0 0x7e850000 0x0 0x1000>; 98eef691c8STai Nguyen enable-bit-index = <1>; 99eef691c8STai Nguyen }; 100eef691c8STai Nguyen 101eef691c8STai Nguyen pmucmc@7e890000 { 102eef691c8STai Nguyen compatible = "apm,xgene-pmu-mc"; 103eef691c8STai Nguyen reg = <0x0 0x7e890000 0x0 0x1000>; 104eef691c8STai Nguyen enable-bit-index = <2>; 105eef691c8STai Nguyen }; 106eef691c8STai Nguyen 107eef691c8STai Nguyen pmucmc@7e8d0000 { 108eef691c8STai Nguyen compatible = "apm,xgene-pmu-mc"; 109eef691c8STai Nguyen reg = <0x0 0x7e8d0000 0x0 0x1000>; 110eef691c8STai Nguyen enable-bit-index = <3>; 111eef691c8STai Nguyen }; 112eef691c8STai Nguyen }; 113