1*4882a593SmuzhiyunBinding for CEVA AHCI SATA Controller 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunRequired properties: 4*4882a593Smuzhiyun - reg: Physical base address and size of the controller's register area. 5*4882a593Smuzhiyun - compatible: Compatibility string. Must be 'ceva,ahci-1v84'. 6*4882a593Smuzhiyun - clocks: Input clock specifier. Refer to common clock bindings. 7*4882a593Smuzhiyun - interrupts: Interrupt specifier. Refer to interrupt binding. 8*4882a593Smuzhiyun - ceva,p0-cominit-params: OOB timing value for COMINIT parameter for port 0. 9*4882a593Smuzhiyun - ceva,p1-cominit-params: OOB timing value for COMINIT parameter for port 1. 10*4882a593Smuzhiyun The fields for the above parameter must be as shown below: 11*4882a593Smuzhiyun ceva,pN-cominit-params = /bits/ 8 <CIBGMN CIBGMX CIBGN CINMP>; 12*4882a593Smuzhiyun CINMP : COMINIT Negate Minimum Period. 13*4882a593Smuzhiyun CIBGN : COMINIT Burst Gap Nominal. 14*4882a593Smuzhiyun CIBGMX: COMINIT Burst Gap Maximum. 15*4882a593Smuzhiyun CIBGMN: COMINIT Burst Gap Minimum. 16*4882a593Smuzhiyun - ceva,p0-comwake-params: OOB timing value for COMWAKE parameter for port 0. 17*4882a593Smuzhiyun - ceva,p1-comwake-params: OOB timing value for COMWAKE parameter for port 1. 18*4882a593Smuzhiyun The fields for the above parameter must be as shown below: 19*4882a593Smuzhiyun ceva,pN-comwake-params = /bits/ 8 <CWBGMN CWBGMX CWBGN CWNMP>; 20*4882a593Smuzhiyun CWBGMN: COMWAKE Burst Gap Minimum. 21*4882a593Smuzhiyun CWBGMX: COMWAKE Burst Gap Maximum. 22*4882a593Smuzhiyun CWBGN: COMWAKE Burst Gap Nominal. 23*4882a593Smuzhiyun CWNMP: COMWAKE Negate Minimum Period. 24*4882a593Smuzhiyun - ceva,p0-burst-params: Burst timing value for COM parameter for port 0. 25*4882a593Smuzhiyun - ceva,p1-burst-params: Burst timing value for COM parameter for port 1. 26*4882a593Smuzhiyun The fields for the above parameter must be as shown below: 27*4882a593Smuzhiyun ceva,pN-burst-params = /bits/ 8 <BMX BNM SFD PTST>; 28*4882a593Smuzhiyun BMX: COM Burst Maximum. 29*4882a593Smuzhiyun BNM: COM Burst Nominal. 30*4882a593Smuzhiyun SFD: Signal Failure Detection value. 31*4882a593Smuzhiyun PTST: Partial to Slumber timer value. 32*4882a593Smuzhiyun - ceva,p0-retry-params: Retry interval timing value for port 0. 33*4882a593Smuzhiyun - ceva,p1-retry-params: Retry interval timing value for port 1. 34*4882a593Smuzhiyun The fields for the above parameter must be as shown below: 35*4882a593Smuzhiyun ceva,pN-retry-params = /bits/ 16 <RIT RCT>; 36*4882a593Smuzhiyun RIT: Retry Interval Timer. 37*4882a593Smuzhiyun RCT: Rate Change Timer. 38*4882a593Smuzhiyun 39*4882a593SmuzhiyunOptional properties: 40*4882a593Smuzhiyun - ceva,broken-gen2: limit to gen1 speed instead of gen2. 41*4882a593Smuzhiyun 42*4882a593SmuzhiyunExamples: 43*4882a593Smuzhiyun ahci@fd0c0000 { 44*4882a593Smuzhiyun compatible = "ceva,ahci-1v84"; 45*4882a593Smuzhiyun reg = <0xfd0c0000 0x200>; 46*4882a593Smuzhiyun interrupt-parent = <&gic>; 47*4882a593Smuzhiyun interrupts = <0 133 4>; 48*4882a593Smuzhiyun clocks = <&clkc SATA_CLK_ID>; 49*4882a593Smuzhiyun ceva,p0-cominit-params = /bits/ 8 <0x0F 0x25 0x18 0x29>; 50*4882a593Smuzhiyun ceva,p0-comwake-params = /bits/ 8 <0x04 0x0B 0x08 0x0F>; 51*4882a593Smuzhiyun ceva,p0-burst-params = /bits/ 8 <0x0A 0x08 0x4A 0x06>; 52*4882a593Smuzhiyun ceva,p0-retry-params = /bits/ 16 <0x0216 0x7F06>; 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun ceva,p1-cominit-params = /bits/ 8 <0x0F 0x25 0x18 0x29>; 55*4882a593Smuzhiyun ceva,p1-comwake-params = /bits/ 8 <0x04 0x0B 0x08 0x0F>; 56*4882a593Smuzhiyun ceva,p1-burst-params = /bits/ 8 <0x0A 0x08 0x4A 0x06>; 57*4882a593Smuzhiyun ceva,p1-retry-params = /bits/ 16 <0x0216 0x7F06>; 58*4882a593Smuzhiyun ceva,broken-gen2; 59*4882a593Smuzhiyun }; 60