1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 $id: http://devicetree.org/schemas/dsp/fsl,dsp.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NXP i.MX8 DSP core
10 - Daniel Baluta <daniel.baluta@nxp.com>
13 Some boards from i.MX8 family contain a DSP core used for
14 advanced pre- and post- audio processing.
22 description: Should contain register location and length
26 - description: ipg clock
27 - description: ocram clock
28 - description: core clock
38 List of phandle and PM domain specifier as documented in
39 Documentation/devicetree/bindings/power/power_domain.txt
44 List of <&phandle type channel> - 2 channels for TXDB, 2 channels for RXDB
45 (see mailbox/fsl,mu.txt)
57 phandle to a node describing reserved memory (System RAM memory)
58 used by DSP (see bindings/reserved-memory/reserved-memory.txt)
73 #include <dt-bindings/firmware/imx/rsrc.h>
74 #include <dt-bindings/clock/imx8-clock.h>
76 compatible = "fsl,imx8qxp-dsp";
77 reg = <0x596e8000 0x88000>;
78 clocks = <&adma_lpcg IMX_ADMA_LPCG_DSP_IPG_CLK>,
79 <&adma_lpcg IMX_ADMA_LPCG_OCRAM_IPG_CLK>,
80 <&adma_lpcg IMX_ADMA_LPCG_DSP_CORE_CLK>;
81 clock-names = "ipg", "ocram", "core";
82 power-domains = <&pd IMX_SC_R_MU_13A>,
83 <&pd IMX_SC_R_MU_13B>,
85 <&pd IMX_SC_R_DSP_RAM>;
86 mbox-names = "txdb0", "txdb1", "rxdb0", "rxdb1";
87 mboxes = <&lsio_mu13 2 0>, <&lsio_mu13 2 1>, <&lsio_mu13 3 0>, <&lsio_mu13 3 1>;
88 memory-region = <&dsp_reserved>;