Bindings/devfreq/rk3399_dmc.txt

22 			 a DCF interrupt is triggered.
36 				  placed into power-down mode if bus is idle
41 				  placed into self-refresh mode if bus is idle
43 				  clocks freq is half of DRAM clock), default
44 				  value is "0".
49 				  clock arg gating started if bus is idle for
54 				  self-refresh power down mode if bus is idle
56 				  This parameter is for LPDDR4 only.
61 				  be gated if bus is idle for standby_idle * DFI
65 				  When DDR frequency is less than DRAM_DLL_DISB_FREQ,
70 				  MHz (Mega Hz). When DDR frequency is less than
74 - rockchip,ddr3_odt_dis_freq :	  When the DRAM type is DDR3, this parameter defines
76 				  when the DDR frequency is  less then ddr3_odt_dis_freq,
80 - rockchip,ddr3_drv :		  When the DRAM type is DDR3, this parameter defines
82 				  value is 40.
84 - rockchip,ddr3_odt :		  When the DRAM type is DDR3, this parameter defines
86 				  is 120.
88 - rockchip,phy_ddr3_ca_drv :	  When the DRAM type is DDR3, this parameter defines
91 				  Default value is 40.
93 - rockchip,phy_ddr3_dq_drv :	  When the DRAM type is DDR3, this parameter defines
95 				  driver strength. Default value is 40.
97 - rockchip,phy_ddr3_odt : 	  When the DRAM type is DDR3, this parameter defines
98 				  the PHY side ODT strength. Default value is 240.
100 - rockchip,lpddr3_odt_dis_freq : When the DRAM type is LPDDR3, this parameter defines
102 				  When DDR frequency is less then ddr3_odt_dis_freq,
106 - rockchip,lpddr3_drv :		  When the DRAM type is LPDDR3, this parameter defines
108 				  value is 34.
110 - rockchip,lpddr3_odt :		  When the DRAM type is LPDDR3, this parameter defines
112 				  is 240.
114 - rockchip,phy_lpddr3_ca_drv :	  When the DRAM type is LPDDR3, this parameter defines
117 				  Default value is 40.
119 - rockchip,phy_lpddr3_dq_drv :	  When the DRAM type is LPDDR3, this parameter defines
121 				  driver strength. Default value is 40.
123 - rockchip,phy_lpddr3_odt : 	  When dram type is LPDDR3, this parameter define
124 				  the phy side odt strength, default value is 240.
126 - rockchip,lpddr4_odt_dis_freq : When the DRAM type is LPDDR4, this parameter
128 				  MHz (Mega Hz). When the DDR frequency is less then
132 - rockchip,lpddr4_drv :		  When the DRAM type is LPDDR4, this parameter defines
134 				  value is 60.
136 - rockchip,lpddr4_dq_odt : 	  When the DRAM type is LPDDR4, this parameter defines
138 				  Default value is 40.
140 - rockchip,lpddr4_ca_odt :	  When the DRAM type is LPDDR4, this parameter defines
142 				  Default value is 40.
144 - rockchip,phy_lpddr4_ca_drv :	  When the DRAM type is LPDDR4, this parameter defines
146 				  line) driver strength. Default value is 40.
148 - rockchip,phy_lpddr4_ck_cs_drv : When the DRAM type is LPDDR4, this parameter defines
150 				  strength. Default value is 80.
152 - rockchip,phy_lpddr4_dq_drv :	  When the DRAM type is LPDDR4, this parameter defines
154 				  driver strength. Default value is 80.
156 - rockchip,phy_lpddr4_odt :	  When the DRAM type is LPDDR4, this parameter defines
157 				  the PHY side ODT strength. Default value is 60.