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| author | Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> | 2022-02-06 16:58:01 +0300 |
|---|---|---|
| committer | Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> | 2022-02-09 17:34:42 +0300 |
| commit | 180a276c99bb861742c5c423d679b0277d4b1c26 (patch) | |
| tree | 99ccabcdf34994af26c1922aca8ac3a163d6a93e /Documentation/devicetree/bindings/memory-controllers/ddr/lpddr3-timings.txt | |
| parent | 425fd283e4a2b929a88483525fda3f90dde8a2d0 (diff) | |
| download | linux-180a276c99bb861742c5c423d679b0277d4b1c26.tar.xz | |
dt-bindings: memory: lpddr3-timings: convert to dtschema
Convert the LPDDR3 memory timings bindings to DT schema format.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220206135807.211767-3-krzysztof.kozlowski@canonical.com
Diffstat (limited to 'Documentation/devicetree/bindings/memory-controllers/ddr/lpddr3-timings.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/memory-controllers/ddr/lpddr3-timings.txt | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/Documentation/devicetree/bindings/memory-controllers/ddr/lpddr3-timings.txt b/Documentation/devicetree/bindings/memory-controllers/ddr/lpddr3-timings.txt deleted file mode 100644 index 84705e50a3fd..000000000000 --- a/Documentation/devicetree/bindings/memory-controllers/ddr/lpddr3-timings.txt +++ /dev/null @@ -1,58 +0,0 @@ -* AC timing parameters of LPDDR3 memories for a given speed-bin. - -The structures are based on LPDDR2 and extended where needed. - -Required properties: -- compatible : Should be "jedec,lpddr3-timings" -- min-freq : minimum DDR clock frequency for the speed-bin. Type is <u32> -- reg : maximum DDR clock frequency for the speed-bin. Type is <u32> - -Optional properties: - -The following properties represent AC timing parameters from the memory -data-sheet of the device for a given speed-bin. All these properties are -of type <u32> and the default unit is ps (pico seconds). -- tRFC -- tRRD -- tRPab -- tRPpb -- tRCD -- tRC -- tRAS -- tWTR -- tWR -- tRTP -- tW2W-C2C -- tR2R-C2C -- tFAW -- tXSR -- tXP -- tCKE -- tCKESR -- tMRD - -Example: - -timings_samsung_K3QF2F20DB_800mhz: lpddr3-timings@800000000 { - compatible = "jedec,lpddr3-timings"; - reg = <800000000>; /* workaround: it shows max-freq */ - min-freq = <100000000>; - tRFC = <65000>; - tRRD = <6000>; - tRPab = <12000>; - tRPpb = <12000>; - tRCD = <10000>; - tRC = <33750>; - tRAS = <23000>; - tWTR = <3750>; - tWR = <7500>; - tRTP = <3750>; - tW2W-C2C = <0>; - tR2R-C2C = <0>; - tFAW = <25000>; - tXSR = <70000>; - tXP = <3750>; - tCKE = <3750>; - tCKESR = <3750>; - tMRD = <7000>; -}; |