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/linux/arch/arm64/boot/dts/freescale/
H A Dimx8mm-ddr4-evk.dts11 model = "FSL i.MX8MM DDR4 EVK with CYW43455 WIFI/BT board";
12 compatible = "fsl,imx8mm-ddr4-evk", "fsl,imx8mm";
H A Dimx8mn-ddr4-evk.dts12 model = "NXP i.MX8MNano DDR4 EVK board";
13 compatible = "fsl,imx8mn-ddr4-evk", "fsl,imx8mn";
H A Dfsl-ls1028a-rdb.dts217 /* AT24C04C 512-byte DDR4 SPD EEPROM */
/linux/drivers/misc/eeprom/
H A Dee1004.c3 * ee1004 - driver for DDR4 SPD EEPROMs
21 * DDR4 memory modules use special EEPROMs following the Jedec EE1004
201 * Check DIMM type and SPD revision; if it is a DDR4 in ee1004_probe_temp_sensor()
349 MODULE_DESCRIPTION("Driver for EE1004-compliant DDR4 SPD EEPROMs");
/linux/samples/damon/
H A DKconfig38 node0 is for DDR5 DRAMs connected via DIMM, while node1 is for DDR4
/linux/Documentation/devicetree/bindings/memory-controllers/
H A Dnuvoton,npcm-memory-controller.yaml14 The Nuvoton BMC SoC supports DDR4 memory with or without ECC (error correction
H A Dxlnx,versal-ddrmc-edac.yaml14 The integrated DDR Memory Controllers (DDRMCs) support both DDR4 and LPDDR4/
H A Dsnps,dw-umctl2-ddrc.yaml15 working with the memory devices supporting up to (LP)DDR4 protocol. It can
/linux/Documentation/admin-guide/perf/
H A Dthunderx2-pmu.rst6 PMUs such as the Level 3 Cache (L3C), DDR4 Memory Controller (DMC) and
/linux/Documentation/devicetree/bindings/regulator/
H A Drenesas,raa215300.yaml14 32-bit and 64-bit MCU and MPU applications. It supports DDR3, DDR3L, DDR4,
/linux/Documentation/hwmon/
H A Dpxe1610.rst51 Used for DDR3/DDR4 Memory power regulation for Intel VR13 and
/linux/drivers/nvmem/
H A Dqnap-mcu-eeprom.c3 * ee1004 - driver for DDR4 SPD EEPROMs
/linux/drivers/edac/
H A Dedac_mc.c159 [MEM_DDR4] = "Unbuffered-DDR4",
160 [MEM_RDDR4] = "Registered-DDR4",
161 [MEM_LPDDR4] = "Low-Power-DDR4-RAM",
162 [MEM_LRDDR4] = "Load-Reduced-DDR4-RAM",
H A Dsb_edac.c518 * - 4 DDR4 channels, 3 DPC per channel
521 * - 4 DDR4 channels, 3 DPC per channel
526 * - each scalable memory buffer supports 4 DDR3/DDR4 channels, 3 DPC
635 * - 4 DDR4 channels, 3 DPC per channel
638 * - 4 DDR4 channels, 3 DPC per channel
643 * - each scalable memory buffer supports 4 DDR3/DDR4 channels, 3 DPC
960 * ddr3_width on the documentation but also valid for DDR4 on in ibridge_get_width()
968 /* ddr3_width on the documentation but also valid for DDR4 */ in broadwell_get_width()
974 /* DDR4 RDIMMS and LRDIMMS are supported */ in knl_get_memory_type()
1642 /* For DDR4, this is fixed. */ in __populate_dimms()
/linux/arch/arm64/boot/dts/amlogic/
H A Damlogic-c3-c302x-aw409.dts89 ddr4_2v5: regulator-ddr4-2v5 {
H A Damlogic-c3-c308l-aw419.dts90 ddr4_2v5: regulator-ddr4-2v5 {
/linux/drivers/hwmon/
H A Dintel-m10-bmc-hwmon.c257 { 0x16c, 0x0, 0x0, 0x0, 0x0, 1, "DDR4 1.2V Voltage" },
273 { 0x168, 0x0, 0x0, 0x0, 0x0, 1, "DDR4 1.2V Current" },
/linux/arch/arm64/boot/dts/rockchip/
H A Drk3568-evb1-v10.dts15 model = "Rockchip RK3568 EVB1 DDR4 V10 Board";
/linux/sound/soc/intel/avs/
H A Dboard_selection.c52 DMI_MATCH(DMI_BOARD_NAME, "Kabylake R DDR4 RVP"),
/linux/tools/perf/pmu-events/arch/x86/icelakex/
H A Duncore-memory.json1212 "BriefDescription": "Scoreboard Prefetch Inserts : DDR4",
1242 "BriefDescription": "Scoreboard Prefetch Occupancy : DDR4",
/linux/drivers/gpu/drm/radeon/
H A Datombios.h164 #define MEMTYPE_DDR4 "DDR4"
6397 …UCHAR ucMemoryType; // [7:4]=0x1:DDR1;=0x2:DDR2;=0x3:DDR3;=0x4:DDR4;[3:0…
6424 …UCHAR ucMemoryType; // [7:4]=0x1:DDR1;=0x2:DDR2;=0x3:DDR3;=0x4:DDR4;[3:0…
6556 …UCHAR ucMemoryType; // [7:4]=0x1:DDR1;=0x2:DDR2;=0x3:DDR3;=0x4:DDR4;[3:0…
6602 …UCHAR ucMemoryType; // [7:4]=0x1:DDR1;=0x2:DDR2;=0x3:DDR3;=0x4:DDR4; 0x5:DDR…
6644 …UCHAR ucMemoryType; // [7:4]=0x1:DDR1;=0x2:DDR2;=0x3:DDR3;=0x4:DDR4; 0x5:DDR…
6675 …UCHAR ucMemoryType; // [7:4]=0x1:DDR1;=0x2:DDR2;=0x3:DDR3;=0x4:DDR4; 0x5:DDR…
/linux/tools/perf/pmu-events/arch/x86/emeraldrapids/
H A Duncore-memory.json3736 "BriefDescription": "Scoreboard Prefetch Inserts : DDR4",
3766 "BriefDescription": "Scoreboard Prefetch Occupancy : DDR4",
4068 "BriefDescription": "2LM Tag check hit in near memory cache (DDR4)",
/linux/tools/perf/pmu-events/arch/x86/sapphirerapids/
H A Duncore-memory.json3736 "BriefDescription": "Scoreboard Prefetch Inserts : DDR4",
3766 "BriefDescription": "Scoreboard Prefetch Occupancy : DDR4",
4068 "BriefDescription": "2LM Tag check hit in near memory cache (DDR4)",
/linux/drivers/gpu/drm/amd/include/
H A Datombios.h172 #define MEMTYPE_DDR4 "DDR4"
7606 …UCHAR ucMemoryType; // [7:4]=0x1:DDR1;=0x2:DDR2;=0x3:DDR3;=0x4:DDR4;[3:0…
7633 …UCHAR ucMemoryType; // [7:4]=0x1:DDR1;=0x2:DDR2;=0x3:DDR3;=0x4:DDR4;[3:0…
7769 …UCHAR ucMemoryType; // [7:4]=0x1:DDR1;=0x2:DDR2;=0x3:DDR3;=0x4:DDR4;[3…
7815 …UCHAR ucMemoryType; // [7:4]=0x1:DDR1;=0x2:DDR2;=0x3:DDR3;=0x4:DDR4; 0x5:DDR…
7857 …UCHAR ucMemoryType; // [7:4]=0x1:DDR1;=0x2:DDR2;=0x3:DDR3;=0x4:DDR4; 0x5:DDR…
7889 …UCHAR ucMemoryType; // [7:4]=0x1:DDR1;=0x2:DDR2;=0x3:DDR3;=0x4:DDR4; 0x5:DDR…
/linux/tools/perf/pmu-events/arch/x86/snowridgex/
H A Duncore-cache.json5043 "BriefDescription": "TOR Inserts : DDR4 Access",
5049 …"PublicDescription": "TOR Inserts : DDR4 Access : Counts the number of entries successfully insert…
5057 "EventName": "UNC_CHA_TOR_INSERTS.DDR4",
5828 "BriefDescription": "TOR Occupancy : DDR4 Access",
5834 …"PublicDescription": "TOR Occupancy : DDR4 Access : For each cycle, this event accumulates the num…

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