[PATCH v1 1/5] dt-bindings: memory: Document Tegra114 Memory Controller
From: Svyatoslav Ryhel <hidden>
Date: 2026-01-26 19:08:07
Also in:
linux-tegra, lkml
Subsystem:
memory controller drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Krzysztof Kozlowski, Rob Herring, Conor Dooley, Linus Torvalds
Add Tegra114 support into existing Tegra124 MC schema with the most notable difference in the amount of EMEM timings. Signed-off-by: Svyatoslav Ryhel <redacted> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> --- .../nvidia,tegra124-mc.yaml | 31 +++++-------------- 1 file changed, 8 insertions(+), 23 deletions(-)
diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra124-mc.yaml b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra124-mc.yaml
index 7b18b4d11e0a..f8747cebb680 100644
--- a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra124-mc.yaml
+++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra124-mc.yaml@@ -19,7 +19,9 @@ description: | properties: compatible: - const: nvidia,tegra124-mc + enum: + - nvidia,tegra114-mc + - nvidia,tegra124-mc reg: maxItems: 1
@@ -64,29 +66,12 @@ patternProperties: nvidia,emem-configuration: $ref: /schemas/types.yaml#/definitions/uint32-array - description: | + description: Values to be written to the EMEM register block. See section - "15.6.1 MC Registers" in the TRM. - items: - - description: MC_EMEM_ARB_CFG - - description: MC_EMEM_ARB_OUTSTANDING_REQ - - description: MC_EMEM_ARB_TIMING_RCD - - description: MC_EMEM_ARB_TIMING_RP - - description: MC_EMEM_ARB_TIMING_RC - - description: MC_EMEM_ARB_TIMING_RAS - - description: MC_EMEM_ARB_TIMING_FAW - - description: MC_EMEM_ARB_TIMING_RRD - - description: MC_EMEM_ARB_TIMING_RAP2PRE - - description: MC_EMEM_ARB_TIMING_WAP2PRE - - description: MC_EMEM_ARB_TIMING_R2R - - description: MC_EMEM_ARB_TIMING_W2W - - description: MC_EMEM_ARB_TIMING_R2W - - description: MC_EMEM_ARB_TIMING_W2R - - description: MC_EMEM_ARB_DA_TURNS - - description: MC_EMEM_ARB_DA_COVERS - - description: MC_EMEM_ARB_MISC0 - - description: MC_EMEM_ARB_MISC1 - - description: MC_EMEM_ARB_RING1_THROTTLE + "20.11.1 MC Registers" in the Tegea114 TRM or + "15.6.1 MC Registers" in the Tegra124 TRM. + minItems: 18 + maxItems: 19 required: - clock-frequency
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2.51.0