1*4882a593Smuzhiyun* TI - MPU (Main Processor Unit) subsystem 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunThe MPU subsystem contain one or several ARM cores 4*4882a593Smuzhiyundepending of the version. 5*4882a593SmuzhiyunThe MPU contain CPUs, GIC, L2 cache and a local PRCM. 6*4882a593Smuzhiyun 7*4882a593SmuzhiyunRequired properties: 8*4882a593Smuzhiyun- compatible : Should be "ti,omap3-mpu" for OMAP3 9*4882a593Smuzhiyun Should be "ti,omap4-mpu" for OMAP4 10*4882a593Smuzhiyun Should be "ti,omap5-mpu" for OMAP5 11*4882a593Smuzhiyun- ti,hwmods: "mpu" 12*4882a593Smuzhiyun 13*4882a593SmuzhiyunOptional properties: 14*4882a593Smuzhiyun- sram: Phandle to the ocmcram node 15*4882a593Smuzhiyun 16*4882a593Smuzhiyunam335x and am437x only: 17*4882a593Smuzhiyun- pm-sram: Phandles to ocmcram nodes to be used for power management. 18*4882a593Smuzhiyun First should be type 'protect-exec' for the driver to use to copy 19*4882a593Smuzhiyun and run PM functions, second should be regular pool to be used for 20*4882a593Smuzhiyun data region for code. See Documentation/devicetree/bindings/sram/sram.yaml 21*4882a593Smuzhiyun for more details. 22*4882a593Smuzhiyun 23*4882a593SmuzhiyunExamples: 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun- For an OMAP5 SMP system: 26*4882a593Smuzhiyun 27*4882a593Smuzhiyunmpu { 28*4882a593Smuzhiyun compatible = "ti,omap5-mpu"; 29*4882a593Smuzhiyun ti,hwmods = "mpu" 30*4882a593Smuzhiyun}; 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun- For an OMAP4 SMP system: 33*4882a593Smuzhiyun 34*4882a593Smuzhiyunmpu { 35*4882a593Smuzhiyun compatible = "ti,omap4-mpu"; 36*4882a593Smuzhiyun ti,hwmods = "mpu"; 37*4882a593Smuzhiyun}; 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun- For an OMAP3 monocore system: 41*4882a593Smuzhiyun 42*4882a593Smuzhiyunmpu { 43*4882a593Smuzhiyun compatible = "ti,omap3-mpu"; 44*4882a593Smuzhiyun ti,hwmods = "mpu"; 45*4882a593Smuzhiyun}; 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun- For an AM335x system: 48*4882a593Smuzhiyun 49*4882a593Smuzhiyunmpu { 50*4882a593Smuzhiyun compatible = "ti,omap3-mpu"; 51*4882a593Smuzhiyun ti,hwmods = "mpu"; 52*4882a593Smuzhiyun pm-sram = <&pm_sram_code 53*4882a593Smuzhiyun &pm_sram_data>; 54*4882a593Smuzhiyun}; 55