Re: [PATCH] dt-bindings: dsp: mediatek: add mt8195 dsp document
From: Rob Herring <robh@kernel.org>
Date: 2021-12-16 19:04:06
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alsa-devel, linux-arm-kernel, linux-devicetree, lkml
On Wed, Dec 15, 2021 at 11:19:55AM +0800, YC Hung wrote:
From: "yc.hung" <redacted> This patch adds mt8195 dsp document. Signed-off-by: yc.hung <redacted> --- .../bindings/dsp/mtk,mt8195-dsp.yaml | 116 ++++++++++++++++++
mediatek,mt8195-dsp.yaml
quoted hunk ↗ jump to hunk
1 file changed, 116 insertions(+) create mode 100644 Documentation/devicetree/bindings/dsp/mtk,mt8195-dsp.yamldiff --git a/Documentation/devicetree/bindings/dsp/mtk,mt8195-dsp.yaml b/Documentation/devicetree/bindings/dsp/mtk,mt8195-dsp.yaml new file mode 100644 index 000000000000..33db11ee2336 --- /dev/null +++ b/Documentation/devicetree/bindings/dsp/mtk,mt8195-dsp.yaml@@ -0,0 +1,116 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dsp/mtk,mt8195-dsp.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mediatek mt8195 DSP core + +maintainers: + - YC Hung <yc.hung@mediatek.com> + +description: | + Some boards from mt8195 contain a DSP core used for + advanced pre- and post- audio processing.
blank line
+properties: + compatible: + const: mediatek,mt8195-dsp + + reg: + items: + - description: Address and size of the DSP Cfg registers + - description: Address and size of the DSP SRAM + + reg-names: + items: + - const: cfg + - const: sram + + interrupts: + items: + - description: watchdog interrupt + + interrupt-names: + items: + - const: wdt + + clocks: + items: + - description: mux for audio dsp clock + - description: 26M clock + - description: mux for audio dsp local bus + - description: default audio dsp local bus clock source + - description: clock gate for audio dsp clock + - description: mux for audio dsp access external bus + + clock-names: + items: + - const: adsp_sel + - const: clk26m_ck + - const: audio_local_bus + - const: mainpll_d7_d2 + - const: scp_adsp_audiodsp + - const: audio_h + + power-domains: + maxItems: 1 + + mboxes: + items: + - description: a mailbox is ised for ipc reply between host and audio DSP. + - description: a mailbox is ised for ipc reuqest between host and audio DSP.
typos 'a mailbox is ised for ' part can be dropped.
+ + mbox-names: + items: + - const: mbox0 + - const: mbox1 + + memory-region: + items: + - description: A phandle to a reserved memory region is used for dma buffer between host and DSP. + - description: A phandle to a reserved memory region is used for DSP system memory.
'A phandle to a reserved memory region is used for' part can be dropped.
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - interrupts
+ - interrupt-names
+ - clocks
+ - clock-names
+ - memory-region
+ - power-domains
+ - mbox-names
+ - mboxes
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ adsp: dsp@10803000 {Drop unused labels.
+ compatible = "mediatek,mt8195-dsp"; + reg = <0x10803000 0x1000>, + <0x10840000 0x40000>; + reg-names = "cfg", "sram"; + interrupts = <GIC_SPI 694 IRQ_TYPE_LEVEL_HIGH 0>; + interrupt-names = "wdt"; + clocks = <&topckgen 10>, //CLK_TOP_ADSP + <&clk26m>, + <&topckgen 107>, //CLK_TOP_AUDIO_LOCAL_BUS + <&topckgen 136>, //CLK_TOP_MAINPLL_D7_D2 + <&scp_adsp 0>, //CLK_SCP_ADSP_AUDIODSP + <&topckgen 34>; //CLK_TOP_AUDIO_H + clock-names = "adsp_sel", + "clk26m_ck", + "audio_local_bus", + "mainpll_d7_d2", + "scp_adsp_audiodsp", + "audio_h"; + memory-region = <&adsp_dma_mem_reserved>, + <&adsp_mem_reserved>; + power-domains = <&spm 6>; //MT8195_POWER_DOMAIN_ADSP + mbox-names = "mbox0", "mbox1"; + mboxes = <&adsp_mailbox0>, <&adsp_mailbox1>; + };
Wrong indentation.
-- 2.18.0
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