From: Svyatoslav Ryhel Date: Mon, 27 Apr 2026 07:03:08 +0000 (+0300) Subject: dt-bindings: memory: Document Tegra114 External Memory Controller X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a4f97f9467661602bd6bf614bcee884502794d43;p=thirdparty%2Fkernel%2Flinux.git dt-bindings: memory: Document Tegra114 External Memory Controller Include Tegra114 support into existing Tegra124 EMC schema with the most notable difference being the amount of EMC timings and a few SoC unique entries. Signed-off-by: Svyatoslav Ryhel Reviewed-by: Rob Herring (Arm) Link: https://patch.msgid.link/20260427070312.81679-4-clamor95@gmail.com Signed-off-by: Krzysztof Kozlowski --- diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra124-emc.yaml b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra124-emc.yaml index f5f03bf364137..9398aae490933 100644 --- a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra124-emc.yaml +++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra124-emc.yaml @@ -16,7 +16,9 @@ description: | properties: compatible: - const: nvidia,tegra124-emc + enum: + - nvidia,tegra114-emc + - nvidia,tegra124-emc reg: maxItems: 1 @@ -29,6 +31,9 @@ properties: items: - const: emc + interrupts: + maxItems: 1 + "#interconnect-cells": const: 0 @@ -164,153 +169,12 @@ patternProperties: nvidia,emc-configuration: description: EMC timing characterization data. These are the registers (see - section "15.6.2 EMC Registers" in the TRM) whose values need to + section "20.11.2 EMC Registers" in the Tegra114 TRM or section + "15.6.2 EMC Registers" in the Tegra124 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 - - description: EMC_RFC_SLR - - description: EMC_RAS - - description: EMC_RP - - description: EMC_R2W - - description: EMC_W2R - - description: EMC_R2P - - description: EMC_W2P - - description: EMC_RD_RCD - - description: EMC_WR_RCD - - description: EMC_RRD - - description: EMC_REXT - - description: EMC_WEXT - - description: EMC_WDV - - description: EMC_WDV_MASK - - description: EMC_QUSE - - description: EMC_QUSE_WIDTH - - description: EMC_IBDLY - - description: EMC_EINPUT - - description: EMC_EINPUT_DURATION - - description: EMC_PUTERM_EXTRA - - description: EMC_PUTERM_WIDTH - - description: EMC_PUTERM_ADJ - - description: EMC_CDB_CNTL_1 - - description: EMC_CDB_CNTL_2 - - description: EMC_CDB_CNTL_3 - - description: EMC_QRST - - description: EMC_QSAFE - - description: EMC_RDV - - description: EMC_RDV_MASK - - description: EMC_REFRESH - - description: EMC_BURST_REFRESH_NUM - - description: EMC_PRE_REFRESH_REQ_CNT - - description: EMC_PDEX2WR - - description: EMC_PDEX2RD - - description: EMC_PCHG2PDEN - - description: EMC_ACT2PDEN - - description: EMC_AR2PDEN - - description: EMC_RW2PDEN - - description: EMC_TXSR - - description: EMC_TXSRDLL - - description: EMC_TCKE - - description: EMC_TCKESR - - description: EMC_TPD - - description: EMC_TFAW - - description: EMC_TRPAB - - description: EMC_TCLKSTABLE - - description: EMC_TCLKSTOP - - description: EMC_TREFBW - - description: EMC_FBIO_CFG6 - - description: EMC_ODT_WRITE - - description: EMC_ODT_READ - - description: EMC_FBIO_CFG5 - - description: EMC_CFG_DIG_DLL - - description: EMC_CFG_DIG_DLL_PERIOD - - description: EMC_DLL_XFORM_DQS0 - - description: EMC_DLL_XFORM_DQS1 - - description: EMC_DLL_XFORM_DQS2 - - description: EMC_DLL_XFORM_DQS3 - - description: EMC_DLL_XFORM_DQS4 - - description: EMC_DLL_XFORM_DQS5 - - description: EMC_DLL_XFORM_DQS6 - - description: EMC_DLL_XFORM_DQS7 - - description: EMC_DLL_XFORM_DQS8 - - description: EMC_DLL_XFORM_DQS9 - - description: EMC_DLL_XFORM_DQS10 - - description: EMC_DLL_XFORM_DQS11 - - description: EMC_DLL_XFORM_DQS12 - - description: EMC_DLL_XFORM_DQS13 - - description: EMC_DLL_XFORM_DQS14 - - description: EMC_DLL_XFORM_DQS15 - - description: EMC_DLL_XFORM_QUSE0 - - description: EMC_DLL_XFORM_QUSE1 - - description: EMC_DLL_XFORM_QUSE2 - - description: EMC_DLL_XFORM_QUSE3 - - description: EMC_DLL_XFORM_QUSE4 - - description: EMC_DLL_XFORM_QUSE5 - - description: EMC_DLL_XFORM_QUSE6 - - description: EMC_DLL_XFORM_QUSE7 - - description: EMC_DLL_XFORM_ADDR0 - - description: EMC_DLL_XFORM_ADDR1 - - description: EMC_DLL_XFORM_ADDR2 - - description: EMC_DLL_XFORM_ADDR3 - - description: EMC_DLL_XFORM_ADDR4 - - description: EMC_DLL_XFORM_ADDR5 - - description: EMC_DLL_XFORM_QUSE8 - - description: EMC_DLL_XFORM_QUSE9 - - description: EMC_DLL_XFORM_QUSE10 - - description: EMC_DLL_XFORM_QUSE11 - - description: EMC_DLL_XFORM_QUSE12 - - description: EMC_DLL_XFORM_QUSE13 - - description: EMC_DLL_XFORM_QUSE14 - - description: EMC_DLL_XFORM_QUSE15 - - description: EMC_DLI_TRIM_TXDQS0 - - description: EMC_DLI_TRIM_TXDQS1 - - description: EMC_DLI_TRIM_TXDQS2 - - description: EMC_DLI_TRIM_TXDQS3 - - description: EMC_DLI_TRIM_TXDQS4 - - description: EMC_DLI_TRIM_TXDQS5 - - description: EMC_DLI_TRIM_TXDQS6 - - description: EMC_DLI_TRIM_TXDQS7 - - description: EMC_DLI_TRIM_TXDQS8 - - description: EMC_DLI_TRIM_TXDQS9 - - description: EMC_DLI_TRIM_TXDQS10 - - description: EMC_DLI_TRIM_TXDQS11 - - description: EMC_DLI_TRIM_TXDQS12 - - description: EMC_DLI_TRIM_TXDQS13 - - description: EMC_DLI_TRIM_TXDQS14 - - description: EMC_DLI_TRIM_TXDQS15 - - description: EMC_DLL_XFORM_DQ0 - - description: EMC_DLL_XFORM_DQ1 - - description: EMC_DLL_XFORM_DQ2 - - description: EMC_DLL_XFORM_DQ3 - - description: EMC_DLL_XFORM_DQ4 - - description: EMC_DLL_XFORM_DQ5 - - description: EMC_DLL_XFORM_DQ6 - - description: EMC_DLL_XFORM_DQ7 - - description: EMC_XM2CMDPADCTRL - - description: EMC_XM2CMDPADCTRL4 - - description: EMC_XM2CMDPADCTRL5 - - description: EMC_XM2DQPADCTRL2 - - description: EMC_XM2DQPADCTRL3 - - description: EMC_XM2CLKPADCTRL - - description: EMC_XM2CLKPADCTRL2 - - description: EMC_XM2COMPPADCTRL - - description: EMC_XM2VTTGENPADCTRL - - description: EMC_XM2VTTGENPADCTRL2 - - description: EMC_XM2VTTGENPADCTRL3 - - description: EMC_XM2DQSPADCTRL3 - - description: EMC_XM2DQSPADCTRL4 - - description: EMC_XM2DQSPADCTRL5 - - description: EMC_XM2DQSPADCTRL6 - - description: EMC_DSR_VTTGEN_DRV - - description: EMC_TXDSRVTTGEN - - description: EMC_FBIO_SPARE - - description: EMC_ZCAL_WAIT_CNT - - description: EMC_MRS_WAIT_CNT2 - - description: EMC_CTT - - description: EMC_CTT_DURATION - - description: EMC_CFG_PIPE - - description: EMC_DYN_SELF_REF_CONTROL - - description: EMC_QPOP + minItems: 97 + maxItems: 143 required: - clock-frequency @@ -318,9 +182,7 @@ patternProperties: - nvidia,emc-auto-cal-config2 - nvidia,emc-auto-cal-config3 - nvidia,emc-auto-cal-interval - - nvidia,emc-bgbias-ctl0 - nvidia,emc-cfg - - nvidia,emc-cfg-2 - nvidia,emc-ctt-term-ctrl - nvidia,emc-mode-1 - nvidia,emc-mode-2 @@ -344,6 +206,22 @@ required: - "#interconnect-cells" - operating-points-v2 +allOf: + - if: + properties: + compatible: + contains: + enum: + - nvidia,tegra124-emc + then: + patternProperties: + "^emc-timings-[0-9]+$": + patternProperties: + "^timing-[0-9]+$": + required: + - nvidia,emc-bgbias-ctl0 + - nvidia,emc-cfg-2 + additionalProperties: false examples: