17db2f2dfSDaniel Baluta# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 27db2f2dfSDaniel Baluta%YAML 1.2 37db2f2dfSDaniel Baluta--- 47db2f2dfSDaniel Baluta$id: http://devicetree.org/schemas/dsp/fsl,dsp.yaml# 57db2f2dfSDaniel Baluta$schema: http://devicetree.org/meta-schemas/core.yaml# 67db2f2dfSDaniel Baluta 77db2f2dfSDaniel Balutatitle: NXP i.MX8 DSP core 87db2f2dfSDaniel Baluta 97db2f2dfSDaniel Balutamaintainers: 107db2f2dfSDaniel Baluta - Daniel Baluta <daniel.baluta@nxp.com> 117db2f2dfSDaniel Baluta 127db2f2dfSDaniel Balutadescription: | 137db2f2dfSDaniel Baluta Some boards from i.MX8 family contain a DSP core used for 147db2f2dfSDaniel Baluta advanced pre- and post- audio processing. 157db2f2dfSDaniel Baluta 167db2f2dfSDaniel Balutaproperties: 177db2f2dfSDaniel Baluta compatible: 187db2f2dfSDaniel Baluta enum: 197db2f2dfSDaniel Baluta - fsl,imx8qxp-dsp 2035a0f242SDaniel Baluta - fsl,imx8qm-dsp 2135a0f242SDaniel Baluta - fsl,imx8mp-dsp 227db2f2dfSDaniel Baluta 237db2f2dfSDaniel Baluta reg: 24*0499220dSRob Herring maxItems: 1 257db2f2dfSDaniel Baluta 267db2f2dfSDaniel Baluta clocks: 277db2f2dfSDaniel Baluta items: 287db2f2dfSDaniel Baluta - description: ipg clock 297db2f2dfSDaniel Baluta - description: ocram clock 307db2f2dfSDaniel Baluta - description: core clock 317db2f2dfSDaniel Baluta 327db2f2dfSDaniel Baluta clock-names: 337db2f2dfSDaniel Baluta items: 347db2f2dfSDaniel Baluta - const: ipg 357db2f2dfSDaniel Baluta - const: ocram 367db2f2dfSDaniel Baluta - const: core 377db2f2dfSDaniel Baluta 387db2f2dfSDaniel Baluta power-domains: 397db2f2dfSDaniel Baluta description: 407db2f2dfSDaniel Baluta List of phandle and PM domain specifier as documented in 417db2f2dfSDaniel Baluta Documentation/devicetree/bindings/power/power_domain.txt 427db2f2dfSDaniel Baluta maxItems: 4 437db2f2dfSDaniel Baluta 447db2f2dfSDaniel Baluta mboxes: 457db2f2dfSDaniel Baluta description: 467db2f2dfSDaniel Baluta List of <&phandle type channel> - 2 channels for TXDB, 2 channels for RXDB 477db2f2dfSDaniel Baluta (see mailbox/fsl,mu.txt) 487db2f2dfSDaniel Baluta maxItems: 4 497db2f2dfSDaniel Baluta 507db2f2dfSDaniel Baluta mbox-names: 517db2f2dfSDaniel Baluta items: 527db2f2dfSDaniel Baluta - const: txdb0 537db2f2dfSDaniel Baluta - const: txdb1 547db2f2dfSDaniel Baluta - const: rxdb0 557db2f2dfSDaniel Baluta - const: rxdb1 567db2f2dfSDaniel Baluta 577db2f2dfSDaniel Baluta memory-region: 587db2f2dfSDaniel Baluta description: 597db2f2dfSDaniel Baluta phandle to a node describing reserved memory (System RAM memory) 607db2f2dfSDaniel Baluta used by DSP (see bindings/reserved-memory/reserved-memory.txt) 617db2f2dfSDaniel Baluta maxItems: 1 627db2f2dfSDaniel Baluta 637db2f2dfSDaniel Balutarequired: 647db2f2dfSDaniel Baluta - compatible 657db2f2dfSDaniel Baluta - reg 667db2f2dfSDaniel Baluta - clocks 677db2f2dfSDaniel Baluta - clock-names 687db2f2dfSDaniel Baluta - power-domains 697db2f2dfSDaniel Baluta - mboxes 707db2f2dfSDaniel Baluta - mbox-names 717db2f2dfSDaniel Baluta - memory-region 727db2f2dfSDaniel Baluta 737f464532SRob HerringadditionalProperties: false 747f464532SRob Herring 757db2f2dfSDaniel Balutaexamples: 767db2f2dfSDaniel Baluta - | 777db2f2dfSDaniel Baluta #include <dt-bindings/firmware/imx/rsrc.h> 787db2f2dfSDaniel Baluta #include <dt-bindings/clock/imx8-clock.h> 797db2f2dfSDaniel Baluta dsp@596e8000 { 807db2f2dfSDaniel Baluta compatible = "fsl,imx8qxp-dsp"; 817db2f2dfSDaniel Baluta reg = <0x596e8000 0x88000>; 827db2f2dfSDaniel Baluta clocks = <&adma_lpcg IMX_ADMA_LPCG_DSP_IPG_CLK>, 837db2f2dfSDaniel Baluta <&adma_lpcg IMX_ADMA_LPCG_OCRAM_IPG_CLK>, 847db2f2dfSDaniel Baluta <&adma_lpcg IMX_ADMA_LPCG_DSP_CORE_CLK>; 857db2f2dfSDaniel Baluta clock-names = "ipg", "ocram", "core"; 867db2f2dfSDaniel Baluta power-domains = <&pd IMX_SC_R_MU_13A>, 877db2f2dfSDaniel Baluta <&pd IMX_SC_R_MU_13B>, 887db2f2dfSDaniel Baluta <&pd IMX_SC_R_DSP>, 897db2f2dfSDaniel Baluta <&pd IMX_SC_R_DSP_RAM>; 907db2f2dfSDaniel Baluta mbox-names = "txdb0", "txdb1", "rxdb0", "rxdb1"; 917db2f2dfSDaniel Baluta mboxes = <&lsio_mu13 2 0>, <&lsio_mu13 2 1>, <&lsio_mu13 3 0>, <&lsio_mu13 3 1>; 92e2973352SMaxime Ripard memory-region = <&dsp_reserved>; 937db2f2dfSDaniel Baluta }; 94