summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/sound/mt8195-afe-pcm.yaml
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/devicetree/bindings/sound/mt8195-afe-pcm.yaml')
-rw-r--r--Documentation/devicetree/bindings/sound/mt8195-afe-pcm.yaml200
1 files changed, 200 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/mt8195-afe-pcm.yaml b/Documentation/devicetree/bindings/sound/mt8195-afe-pcm.yaml
new file mode 100644
index 000000000..4452a4070
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/mt8195-afe-pcm.yaml
@@ -0,0 +1,200 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/mt8195-afe-pcm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mediatek AFE PCM controller for mt8195
+
+maintainers:
+ - Trevor Wu <trevor.wu@mediatek.com>
+
+properties:
+ compatible:
+ const: mediatek,mt8195-audio
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+ reset-names:
+ const: audiosys
+
+ memory-region:
+ maxItems: 1
+ description: |
+ Shared memory region for AFE memif. A "shared-dma-pool".
+ See ../reserved-memory/reserved-memory.txt for details.
+
+ mediatek,topckgen:
+ $ref: "/schemas/types.yaml#/definitions/phandle"
+ description: The phandle of the mediatek topckgen controller
+
+ power-domains:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: 26M clock
+ - description: audio pll1 clock
+ - description: audio pll2 clock
+ - description: clock divider for i2si1_mck
+ - description: clock divider for i2si2_mck
+ - description: clock divider for i2so1_mck
+ - description: clock divider for i2so2_mck
+ - description: clock divider for dptx_mck
+ - description: a1sys hoping clock
+ - description: audio intbus clock
+ - description: audio hires clock
+ - description: audio local bus clock
+ - description: mux for dptx_mck
+ - description: mux for i2so1_mck
+ - description: mux for i2so2_mck
+ - description: mux for i2si1_mck
+ - description: mux for i2si2_mck
+ - description: audio infra 26M clock
+ - description: infra bus clock
+
+ clock-names:
+ items:
+ - const: clk26m
+ - const: apll1_ck
+ - const: apll2_ck
+ - const: apll12_div0
+ - const: apll12_div1
+ - const: apll12_div2
+ - const: apll12_div3
+ - const: apll12_div9
+ - const: a1sys_hp_sel
+ - const: aud_intbus_sel
+ - const: audio_h_sel
+ - const: audio_local_bus_sel
+ - const: dptx_m_sel
+ - const: i2so1_m_sel
+ - const: i2so2_m_sel
+ - const: i2si1_m_sel
+ - const: i2si2_m_sel
+ - const: infra_ao_audio_26m_b
+ - const: scp_adsp_audiodsp
+
+ mediatek,etdm-in1-chn-disabled:
+ $ref: /schemas/types.yaml#/definitions/uint8-array
+ maxItems: 24
+ description: Specify which input channel should be disabled.
+
+ mediatek,etdm-in2-chn-disabled:
+ $ref: /schemas/types.yaml#/definitions/uint8-array
+ maxItems: 16
+ description: Specify which input channel should be disabled.
+
+patternProperties:
+ "^mediatek,etdm-in[1-2]-mclk-always-on-rate-hz$":
+ description: Specify etdm in mclk output rate for always on case.
+
+ "^mediatek,etdm-out[1-3]-mclk-always-on-rate-hz$":
+ description: Specify etdm out mclk output rate for always on case.
+
+ "^mediatek,etdm-in[1-2]-multi-pin-mode$":
+ type: boolean
+ description: if present, the etdm data mode is I2S.
+
+ "^mediatek,etdm-out[1-3]-multi-pin-mode$":
+ type: boolean
+ description: if present, the etdm data mode is I2S.
+
+ "^mediatek,etdm-in[1-2]-cowork-source$":
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: |
+ etdm modules can share the same external clock pin. Specify
+ which etdm clock source is required by this etdm in moudule.
+ enum:
+ - 0 # etdm1_in
+ - 1 # etdm2_in
+ - 2 # etdm1_out
+ - 3 # etdm2_out
+
+ "^mediatek,etdm-out[1-2]-cowork-source$":
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: |
+ etdm modules can share the same external clock pin. Specify
+ which etdm clock source is required by this etdm out moudule.
+ enum:
+ - 0 # etdm1_in
+ - 1 # etdm2_in
+ - 2 # etdm1_out
+ - 3 # etdm2_out
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - resets
+ - reset-names
+ - mediatek,topckgen
+ - power-domains
+ - clocks
+ - clock-names
+ - memory-region
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ afe: mt8195-afe-pcm@10890000 {
+ compatible = "mediatek,mt8195-audio";
+ reg = <0x10890000 0x10000>;
+ interrupts = <GIC_SPI 822 IRQ_TYPE_LEVEL_HIGH 0>;
+ resets = <&watchdog 14>;
+ reset-names = "audiosys";
+ mediatek,topckgen = <&topckgen>;
+ power-domains = <&spm 7>; //MT8195_POWER_DOMAIN_AUDIO
+ memory-region = <&snd_dma_mem_reserved>;
+ clocks = <&clk26m>,
+ <&topckgen 163>, //CLK_TOP_APLL1
+ <&topckgen 166>, //CLK_TOP_APLL2
+ <&topckgen 233>, //CLK_TOP_APLL12_DIV0
+ <&topckgen 234>, //CLK_TOP_APLL12_DIV1
+ <&topckgen 235>, //CLK_TOP_APLL12_DIV2
+ <&topckgen 236>, //CLK_TOP_APLL12_DIV3
+ <&topckgen 238>, //CLK_TOP_APLL12_DIV9
+ <&topckgen 100>, //CLK_TOP_A1SYS_HP_SEL
+ <&topckgen 33>, //CLK_TOP_AUD_INTBUS_SEL
+ <&topckgen 34>, //CLK_TOP_AUDIO_H_SEL
+ <&topckgen 107>, //CLK_TOP_AUDIO_LOCAL_BUS_SEL
+ <&topckgen 98>, //CLK_TOP_DPTX_M_SEL
+ <&topckgen 94>, //CLK_TOP_I2SO1_M_SEL
+ <&topckgen 95>, //CLK_TOP_I2SO2_M_SEL
+ <&topckgen 96>, //CLK_TOP_I2SI1_M_SEL
+ <&topckgen 97>, //CLK_TOP_I2SI2_M_SEL
+ <&infracfg_ao 50>, //CLK_INFRA_AO_AUDIO_26M_B
+ <&scp_adsp 0>; //CLK_SCP_ADSP_AUDIODSP
+ clock-names = "clk26m",
+ "apll1_ck",
+ "apll2_ck",
+ "apll12_div0",
+ "apll12_div1",
+ "apll12_div2",
+ "apll12_div3",
+ "apll12_div9",
+ "a1sys_hp_sel",
+ "aud_intbus_sel",
+ "audio_h_sel",
+ "audio_local_bus_sel",
+ "dptx_m_sel",
+ "i2so1_m_sel",
+ "i2so2_m_sel",
+ "i2si1_m_sel",
+ "i2si2_m_sel",
+ "infra_ao_audio_26m_b",
+ "scp_adsp_audiodsp";
+ };
+
+...