[PATCH v1] dt-bindings: dsp: mediatek: add mt8186 dsp document
Tinghan Shen
tinghan.shen at mediatek.com
Fri Apr 22 00:15:34 PDT 2022
This patch adds mt8186 dsp document. The dsp is used for Sound Open
Firmware driver node. It includes registers, clocks, memory regions,
and mailbox for dsp.
Signed-off-by: Tinghan Shen <tinghan.shen at mediatek.com>
---
This patch depends on MT8186 clock bindings.
https://lore.kernel.org/all/20220409132251.31725-2-chun-jie.chen@mediatek.com/
---
.../bindings/dsp/mediatek,mt8186-dsp.yaml | 93 +++++++++++++++++++
1 file changed, 93 insertions(+)
create mode 100644 Documentation/devicetree/bindings/dsp/mediatek,mt8186-dsp.yaml
diff --git a/Documentation/devicetree/bindings/dsp/mediatek,mt8186-dsp.yaml b/Documentation/devicetree/bindings/dsp/mediatek,mt8186-dsp.yaml
new file mode 100644
index 000000000000..00a79e880895
--- /dev/null
+++ b/Documentation/devicetree/bindings/dsp/mediatek,mt8186-dsp.yaml
@@ -0,0 +1,93 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/dsp/mediatek,mt8186-dsp.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mediatek mt8186 DSP core
+
+maintainers:
+ - Tinghan Shen <tinghan.shen at mediatek.com>
+
+description: |
+ MediaTek mt8186 SoC contains a DSP core used for
+ advanced pre- and post- audio processing.
+
+properties:
+ compatible:
+ const: mediatek,mt8186-dsp
+
+ reg:
+ items:
+ - description: Address and size of the DSP config registers
+ - description: Address and size of the DSP SRAM
+ - description: Address and size of the DSP secure registers
+ - description: Address and size of the DSP bus registers
+
+ reg-names:
+ items:
+ - const: cfg
+ - const: sram
+ - const: sec
+ - const: bus
+
+ clocks:
+ items:
+ - description: mux for audio dsp clock
+ - description: mux for audio dsp local bus
+
+ clock-names:
+ items:
+ - const: audiodsp_sel
+ - const: adsp_bus_sel
+
+ power-domains:
+ maxItems: 1
+
+ mboxes:
+ items:
+ - description: ipc reply between host and audio DSP.
+ - description: ipc request between host and audio DSP.
+
+ mbox-names:
+ items:
+ - const: mbox0
+ - const: mbox1
+
+ memory-region:
+ items:
+ - description: dma buffer between host and DSP.
+ - description: DSP system memory.
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - clocks
+ - clock-names
+ - power-domains
+ - mbox-names
+ - mboxes
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/clock/mt8186-clk.h>
+ dsp at 10680000 {
+ compatible = "mediatek,mt8186-dsp";
+ reg = <0x10680000 0x2000>,
+ <0x10800000 0x100000>,
+ <0x1068b000 0x100>,
+ <0x1068f000 0x1000>;
+ reg-names = "cfg", "sram", "sec", "bus";
+ clocks = <&topckgen CLK_TOP_AUDIODSP>,
+ <&topckgen CLK_TOP_ADSP_BUS>;
+ clock-names = "audiodsp_sel",
+ "adsp_bus_sel";
+ power-domains = <&spm 6>;
+ mbox-names = "mbox0", "mbox1";
+ mboxes = <&adsp_mailbox0>, <&adsp_mailbox1>;
+ };
--
2.18.0
More information about the Linux-mediatek
mailing list