19dbd90f1SSebastian HesselbarthMarvell Orion SoC interrupt controllers 29dbd90f1SSebastian Hesselbarth 39dbd90f1SSebastian Hesselbarth* Main interrupt controller 49dbd90f1SSebastian Hesselbarth 59dbd90f1SSebastian HesselbarthRequired properties: 69dbd90f1SSebastian Hesselbarth- compatible: shall be "marvell,orion-intc" 79dbd90f1SSebastian Hesselbarth- reg: base address(es) of interrupt registers starting with CAUSE register 89dbd90f1SSebastian Hesselbarth- interrupt-controller: identifies the node as an interrupt controller 99dbd90f1SSebastian Hesselbarth- #interrupt-cells: number of cells to encode an interrupt source, shall be 1 109dbd90f1SSebastian Hesselbarth 119dbd90f1SSebastian HesselbarthThe interrupt sources map to the corresponding bits in the interrupt 129dbd90f1SSebastian Hesselbarthregisters, i.e. 139dbd90f1SSebastian Hesselbarth- 0 maps to bit 0 of first base address, 149dbd90f1SSebastian Hesselbarth- 1 maps to bit 1 of first base address, 159dbd90f1SSebastian Hesselbarth- 32 maps to bit 0 of second base address, and so on. 169dbd90f1SSebastian Hesselbarth 179dbd90f1SSebastian HesselbarthExample: 189dbd90f1SSebastian Hesselbarth intc: interrupt-controller { 199dbd90f1SSebastian Hesselbarth compatible = "marvell,orion-intc"; 209dbd90f1SSebastian Hesselbarth interrupt-controller; 219dbd90f1SSebastian Hesselbarth #interrupt-cells = <1>; 229dbd90f1SSebastian Hesselbarth /* Dove has 64 first level interrupts */ 239dbd90f1SSebastian Hesselbarth reg = <0x20200 0x10>, <0x20210 0x10>; 249dbd90f1SSebastian Hesselbarth }; 259dbd90f1SSebastian Hesselbarth 269dbd90f1SSebastian Hesselbarth* Bridge interrupt controller 279dbd90f1SSebastian Hesselbarth 289dbd90f1SSebastian HesselbarthRequired properties: 299dbd90f1SSebastian Hesselbarth- compatible: shall be "marvell,orion-bridge-intc" 309dbd90f1SSebastian Hesselbarth- reg: base address of bridge interrupt registers starting with CAUSE register 319dbd90f1SSebastian Hesselbarth- interrupts: bridge interrupt of the main interrupt controller 329dbd90f1SSebastian Hesselbarth- interrupt-controller: identifies the node as an interrupt controller 339dbd90f1SSebastian Hesselbarth- #interrupt-cells: number of cells to encode an interrupt source, shall be 1 349dbd90f1SSebastian Hesselbarth 359dbd90f1SSebastian HesselbarthOptional properties: 369dbd90f1SSebastian Hesselbarth- marvell,#interrupts: number of interrupts provided by bridge interrupt 379dbd90f1SSebastian Hesselbarth controller, defaults to 32 if not set 389dbd90f1SSebastian Hesselbarth 399dbd90f1SSebastian HesselbarthExample: 409dbd90f1SSebastian Hesselbarth bridge_intc: interrupt-controller { 419dbd90f1SSebastian Hesselbarth compatible = "marvell,orion-bridge-intc"; 429dbd90f1SSebastian Hesselbarth interrupt-controller; 439dbd90f1SSebastian Hesselbarth #interrupt-cells = <1>; 449dbd90f1SSebastian Hesselbarth reg = <0x20110 0x8>; 459dbd90f1SSebastian Hesselbarth interrupts = <0>; 469dbd90f1SSebastian Hesselbarth /* Dove bridge provides 5 interrupts */ 479dbd90f1SSebastian Hesselbarth marvell,#interrupts = <5>; 489dbd90f1SSebastian Hesselbarth }; 49