1*c66ec88fSEmmanuel Vadot* Global Utilities Block 2*c66ec88fSEmmanuel Vadot 3*c66ec88fSEmmanuel VadotThe global utilities block controls power management, I/O device 4*c66ec88fSEmmanuel Vadotenabling, power-on-reset configuration monitoring, general-purpose 5*c66ec88fSEmmanuel VadotI/O signal configuration, alternate function selection for multiplexed 6*c66ec88fSEmmanuel Vadotsignals, and clock control. 7*c66ec88fSEmmanuel Vadot 8*c66ec88fSEmmanuel VadotRequired properties: 9*c66ec88fSEmmanuel Vadot 10*c66ec88fSEmmanuel Vadot - compatible : Should define the compatible device type for 11*c66ec88fSEmmanuel Vadot global-utilities. 12*c66ec88fSEmmanuel Vadot Possible compatibles: 13*c66ec88fSEmmanuel Vadot "fsl,qoriq-device-config-1.0" 14*c66ec88fSEmmanuel Vadot "fsl,qoriq-device-config-2.0" 15*c66ec88fSEmmanuel Vadot "fsl,<chip>-device-config" 16*c66ec88fSEmmanuel Vadot "fsl,<chip>-guts" 17*c66ec88fSEmmanuel Vadot - reg : Offset and length of the register set for the device. 18*c66ec88fSEmmanuel Vadot 19*c66ec88fSEmmanuel VadotRecommended properties: 20*c66ec88fSEmmanuel Vadot 21*c66ec88fSEmmanuel Vadot - fsl,has-rstcr : Indicates that the global utilities register set 22*c66ec88fSEmmanuel Vadot contains a functioning "reset control register" (i.e. the board 23*c66ec88fSEmmanuel Vadot is wired to reset upon setting the HRESET_REQ bit in this register). 24*c66ec88fSEmmanuel Vadot 25*c66ec88fSEmmanuel Vadot - fsl,liodn-bits : Indicates the number of defined bits in the LIODN 26*c66ec88fSEmmanuel Vadot registers, for those SOCs that have a PAMU device. 27*c66ec88fSEmmanuel Vadot 28*c66ec88fSEmmanuel Vadot - little-endian : Indicates that the global utilities block is little 29*c66ec88fSEmmanuel Vadot endian. The default is big endian. 30*c66ec88fSEmmanuel Vadot 31*c66ec88fSEmmanuel VadotExamples: 32*c66ec88fSEmmanuel Vadot global-utilities@e0000 { /* global utilities block */ 33*c66ec88fSEmmanuel Vadot compatible = "fsl,mpc8548-guts"; 34*c66ec88fSEmmanuel Vadot reg = <e0000 1000>; 35*c66ec88fSEmmanuel Vadot fsl,has-rstcr; 36*c66ec88fSEmmanuel Vadot }; 37*c66ec88fSEmmanuel Vadot 38*c66ec88fSEmmanuel Vadot guts: global-utilities@e0000 { 39*c66ec88fSEmmanuel Vadot compatible = "fsl,qoriq-device-config-1.0"; 40*c66ec88fSEmmanuel Vadot reg = <0xe0000 0xe00>; 41*c66ec88fSEmmanuel Vadot fsl,has-rstcr; 42*c66ec88fSEmmanuel Vadot #sleep-cells = <1>; 43*c66ec88fSEmmanuel Vadot fsl,liodn-bits = <12>; 44*c66ec88fSEmmanuel Vadot }; 45