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/linux/Documentation/devicetree/bindings/memory-controllers/ddr/
H A Djedec,ddr4.yaml4 $id: http://devicetree.org/schemas/memory-controllers/ddr/jedec,ddr4.yaml#
7 title: DDR4 SDRAM compliant to JEDEC JESD79-4D
18 - pattern: "^ddr4-[0-9a-f]{4},[a-z]{1,20}-[0-9a-f]{2}$"
19 - const: jedec,ddr4
31 compatible = "ddr4-00ff,azaz-ff", "jedec,ddr4";
H A Djedec,sdram-props.yaml29 For DDR4 SDRAM with SPD, according to JEDEC SPD4.1.2.L-6:
51 - DDR4 SDRAM, decoded from the SPD from byte 349 according to
64 - DDR4 SDRAM, decoded from the SPD from bits 3-0 of byte 4 according to
87 - DDR4 SDRAM, decoded from the SPD from bits 2-0 of byte 12 according to
H A Djedec,sdram-channel.yaml25 - jedec,ddr4-channel
72 const: jedec,ddr4-channel
76 $ref: /schemas/memory-controllers/ddr/jedec,ddr4.yaml#
/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
22 * DDR4 memory modules use special EEPROMs following the Jedec EE1004
202 * Check DIMM type and SPD revision; if it is a DDR4 in ee1004_probe_temp_sensor()
350 MODULE_DESCRIPTION("Driver for EE1004-compliant DDR4 SPD EEPROMs");
H A DKconfig111 tristate "SPD EEPROMs on DDR4 memory modules"
117 the JEDEC EE1004 standard. These are typically found on DDR4
/linux/samples/damon/
H A DKconfig38 node0 is for DDR5 DRAMs connected via DIMM, while node1 is for DDR4
/linux/include/linux/
H A Dedac.h179 * @MEM_DDR4: Unbuffered DDR4 RAM
180 * @MEM_RDDR4: Registered DDR4 RAM
181 * This is a variant of the DDR4 memories.
182 * @MEM_LRDDR4: Load-Reduced DDR4 memory.
183 * @MEM_LPDDR4: Low-Power DDR4 memory.
/linux/Documentation/devicetree/bindings/edac/
H A Daspeed,ast2400-sdram-edac.yaml13 The Aspeed BMC SoC supports DDR3 and DDR4 memory with and without ECC (error
/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 Dstarfive,jh7110-dmc.yaml13 JH7110 DDR external memory interface LPDDR4/DDR4/DDR3/LPDDR3 32-bit at
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/drivers/nvmem/
H A Dqnap-mcu-eeprom.c3 * ee1004 - driver for DDR4 SPD EEPROMs
/linux/Documentation/hwmon/
H A Dpxe1610.rst51 Used for DDR3/DDR4 Memory power regulation for Intel VR13 and
/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.c519 * - 4 DDR4 channels, 3 DPC per channel
522 * - 4 DDR4 channels, 3 DPC per channel
527 * - each scalable memory buffer supports 4 DDR3/DDR4 channels, 3 DPC
636 * - 4 DDR4 channels, 3 DPC per channel
639 * - 4 DDR4 channels, 3 DPC per channel
644 * - each scalable memory buffer supports 4 DDR3/DDR4 channels, 3 DPC
969 * ddr3_width on the documentation but also valid for DDR4 on in ibridge_get_width()
977 /* ddr3_width on the documentation but also valid for DDR4 */ in broadwell_get_width()
983 /* DDR4 RDIMMS and LRDIMMS are supported */ in knl_get_memory_type()
1651 /* 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/sound/soc/intel/avs/boards/
H A Drt298.c25 DMI_MATCH(DMI_BOARD_NAME, "Kabylake R DDR4 RVP"),
/linux/drivers/perf/
H A DKconfig218 in the DDR4 Memory Controller (DMC).

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