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Diffstat (limited to '')
| -rw-r--r-- | Documentation/devicetree/bindings/memory-controllers/nvidia,tegra124-emc.yaml | 33 |
1 files changed, 25 insertions, 8 deletions
diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra124-emc.yaml b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra124-emc.yaml index 3e0a8a92d652..9163c3f12a85 100644 --- a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra124-emc.yaml +++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra124-emc.yaml @@ -29,11 +29,24 @@ properties: items: - const: emc + "#interconnect-cells": + const: 0 + nvidia,memory-controller: $ref: /schemas/types.yaml#/definitions/phandle description: phandle of the memory controller node + power-domains: + maxItems: 1 + description: + Phandle of the SoC "core" power domain. + + operating-points-v2: + description: + Should contain freqs and voltages and opp-supported-hw property, which + is a bitfield indicating SoC speedo ID mask. + patternProperties: "^emc-timings-[0-9]+$": type: object @@ -73,10 +86,9 @@ patternProperties: timings nvidia,emc-auto-cal-interval: - allOf: - - $ref: /schemas/types.yaml#/definitions/uint32 description: pad calibration interval in microseconds + $ref: /schemas/types.yaml#/definitions/uint32 minimum: 0 maximum: 2097151 @@ -136,11 +148,10 @@ patternProperties: value of the EMC_XM2DQSPADCTRL2 register for this set of timings nvidia,emc-zcal-cnt-long: - allOf: - - $ref: /schemas/types.yaml#/definitions/uint32 description: number of EMC clocks to wait before issuing any commands after clock change + $ref: /schemas/types.yaml#/definitions/uint32 minimum: 0 maximum: 1023 @@ -150,12 +161,11 @@ patternProperties: value of the EMC_ZCAL_INTERVAL register for this set of timings nvidia,emc-configuration: - allOf: - - $ref: /schemas/types.yaml#/definitions/uint32-array description: EMC timing characterization data. These are the registers (see section "15.6.2 EMC Registers" in the TRM) whose values need to be specified, according to the board documentation. + $ref: /schemas/types.yaml#/definitions/uint32-array items: - description: EMC_RC - description: EMC_RFC @@ -330,6 +340,8 @@ required: - clocks - clock-names - nvidia,memory-controller + - "#interconnect-cells" + - operating-points-v2 additionalProperties: false @@ -340,7 +352,7 @@ examples: mc: memory-controller@70019000 { compatible = "nvidia,tegra124-mc"; - reg = <0x0 0x70019000 0x0 0x1000>; + reg = <0x70019000 0x1000>; clocks = <&tegra_car TEGRA124_CLK_MC>; clock-names = "mc"; @@ -348,15 +360,20 @@ examples: #iommu-cells = <1>; #reset-cells = <1>; + #interconnect-cells = <1>; }; external-memory-controller@7001b000 { compatible = "nvidia,tegra124-emc"; - reg = <0x0 0x7001b000 0x0 0x1000>; + reg = <0x7001b000 0x1000>; clocks = <&car TEGRA124_CLK_EMC>; clock-names = "emc"; nvidia,memory-controller = <&mc>; + operating-points-v2 = <&dvfs_opp_table>; + power-domains = <&domain>; + + #interconnect-cells = <0>; emc-timings-0 { nvidia,ram-code = <3>; |