diff options
Diffstat (limited to 'Documentation/devicetree')
17 files changed, 299 insertions, 179 deletions
diff --git a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml index 2005014161be..08ed8f52c962 100644 --- a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml +++ b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml @@ -33,6 +33,9 @@ properties: properties: remote-endpoint: maxItems: 1 + clocks: + maxItems: 1 + description: Describes the clock used by audio component. mclk-fs: description: | Multiplication factor between stream rate and codec mclk. @@ -71,9 +74,6 @@ properties: description: CPU to Codec rate channels. $ref: /schemas/types.yaml#/definitions/uint32 - required: - - remote-endpoint - ports: description: multi OF-Graph subnode type: object diff --git a/Documentation/devicetree/bindings/sound/intel,keembay-i2s.yaml b/Documentation/devicetree/bindings/sound/intel,keembay-i2s.yaml index d346e61ab708..dba25c33f0b0 100644 --- a/Documentation/devicetree/bindings/sound/intel,keembay-i2s.yaml +++ b/Documentation/devicetree/bindings/sound/intel,keembay-i2s.yaml @@ -45,6 +45,16 @@ properties: - const: osc - const: apb_clk + dmas: + items: + - description: DMA TX channel + - description: DMA RX channel + + dma-names: + items: + - const: tx + - const: rx + required: - compatible - "#sound-dai-cells" @@ -70,4 +80,6 @@ examples: interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>; clock-names = "osc", "apb_clk"; clocks = <&scmi_clk KEEM_BAY_PSS_AUX_I2S3>, <&scmi_clk KEEM_BAY_PSS_I2S3>; + dmas = <&axi_dma0 29 &axi_dma0 33>; + dma-names = "tx", "rx"; }; diff --git a/Documentation/devicetree/bindings/sound/mt8192-mt6359-rt1015-rt5682.yaml b/Documentation/devicetree/bindings/sound/mt8192-mt6359-rt1015-rt5682.yaml index 54650823b29a..5a5b765b859a 100644 --- a/Documentation/devicetree/bindings/sound/mt8192-mt6359-rt1015-rt5682.yaml +++ b/Documentation/devicetree/bindings/sound/mt8192-mt6359-rt1015-rt5682.yaml @@ -23,6 +23,10 @@ properties: $ref: "/schemas/types.yaml#/definitions/phandle" description: The phandle of MT8192 ASoC platform. + mediatek,hdmi-codec: + $ref: "/schemas/types.yaml#/definitions/phandle" + description: The phandle of HDMI codec. + additionalProperties: false required: @@ -35,6 +39,7 @@ examples: sound: mt8192-sound { compatible = "mediatek,mt8192_mt6359_rt1015_rt5682"; mediatek,platform = <&afe>; + mediatek,hdmi-codec = <&anx_bridge_dp>; pinctrl-names = "aud_clk_mosi_off", "aud_clk_mosi_on"; pinctrl-0 = <&aud_clk_mosi_off>; diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-graph-card.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-graph-card.yaml new file mode 100644 index 000000000000..249970952202 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-graph-card.yaml @@ -0,0 +1,190 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/nvidia,tegra-audio-graph-card.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Audio Graph based Tegra sound card driver + +description: | + This is based on generic audio graph card driver along with additional + customizations for Tegra platforms. It uses the same bindings with + additional standard clock DT bindings required for Tegra. + +maintainers: + - Jon Hunter <jonathanh@nvidia.com> + - Sameer Pujar <spujar@nvidia.com> + +allOf: + - $ref: audio-graph.yaml# + +properties: + compatible: + enum: + - nvidia,tegra210-audio-graph-card + - nvidia,tegra186-audio-graph-card + + clocks: + minItems: 2 + + clock-names: + minItems: 2 + items: + - const: pll_a + - const: plla_out0 + + assigned-clocks: + minItems: 1 + maxItems: 3 + + assigned-clock-parents: + minItems: 1 + maxItems: 3 + + assigned-clock-rates: + minItems: 1 + maxItems: 3 + + iommus: + maxItems: 1 + +required: + - clocks + - clock-names + - assigned-clocks + - assigned-clock-parents + +unevaluatedProperties: false + +examples: + - | + #include<dt-bindings/clock/tegra210-car.h> + + tegra_sound { + compatible = "nvidia,tegra210-audio-graph-card"; + + clocks = <&tegra_car TEGRA210_CLK_PLL_A>, + <&tegra_car TEGRA210_CLK_PLL_A_OUT0>; + clock-names = "pll_a", "plla_out0"; + + assigned-clocks = <&tegra_car TEGRA210_CLK_PLL_A>, + <&tegra_car TEGRA210_CLK_PLL_A_OUT0>, + <&tegra_car TEGRA210_CLK_EXTERN1>; + assigned-clock-parents = <0>, <0>, <&tegra_car TEGRA210_CLK_PLL_A_OUT0>; + assigned-clock-rates = <368640000>, <49152000>, <12288000>; + + dais = /* FE */ + <&admaif1_port>, + /* Router */ + <&xbar_i2s1_port>, + /* I/O DAP Ports */ + <&i2s1_port>; + + label = "jetson-tx1-ape"; + }; + + // The ports are defined for AHUB and its child devices. + ahub@702d0800 { + compatible = "nvidia,tegra210-ahub"; + reg = <0x702d0800 0x800>; + clocks = <&tegra_car TEGRA210_CLK_D_AUDIO>; + clock-names = "ahub"; + assigned-clocks = <&tegra_car TEGRA210_CLK_D_AUDIO>; + assigned-clock-parents = <&tegra_car TEGRA210_CLK_PLL_A_OUT0>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x702d0000 0x702d0000 0x0000e400>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0x0>; + xbar_admaif1_ep: endpoint { + remote-endpoint = <&admaif1_ep>; + }; + }; + + // ... + + xbar_i2s1_port: port@a { + reg = <0xa>; + xbar_i2s1_ep: endpoint { + remote-endpoint = <&i2s1_cif_ep>; + }; + }; + }; + + admaif@702d0000 { + compatible = "nvidia,tegra210-admaif"; + reg = <0x702d0000 0x800>; + dmas = <&adma 1>, <&adma 1>, + <&adma 2>, <&adma 2>, + <&adma 3>, <&adma 3>, + <&adma 4>, <&adma 4>, + <&adma 5>, <&adma 5>, + <&adma 6>, <&adma 6>, + <&adma 7>, <&adma 7>, + <&adma 8>, <&adma 8>, + <&adma 9>, <&adma 9>, + <&adma 10>, <&adma 10>; + dma-names = "rx1", "tx1", + "rx2", "tx2", + "rx3", "tx3", + "rx4", "tx4", + "rx5", "tx5", + "rx6", "tx6", + "rx7", "tx7", + "rx8", "tx8", + "rx9", "tx9", + "rx10", "tx10"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + admaif1_port: port@0 { + reg = <0x0>; + admaif1_ep: endpoint { + remote-endpoint = <&xbar_admaif1_ep>; + }; + }; + + // More ADMAIF ports to follow + }; + }; + + i2s@702d1000 { + compatible = "nvidia,tegra210-i2s"; + clocks = <&tegra_car TEGRA210_CLK_I2S0>; + clock-names = "i2s"; + assigned-clocks = <&tegra_car TEGRA210_CLK_I2S0>; + assigned-clock-parents = <&tegra_car TEGRA210_CLK_PLL_A_OUT0>; + assigned-clock-rates = <1536000>; + reg = <0x702d1000 0x100>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0x0>; + + i2s1_cif_ep: endpoint { + remote-endpoint = <&xbar_i2s1_ep>; + }; + }; + + i2s1_port: port@1 { + reg = <0x1>; + + i2s1_dap: endpoint { + dai-format = "i2s"; + }; + }; + }; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra186-dspk.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra186-dspk.yaml index ed2fb32fcdd4..b8645d9c38ac 100644 --- a/Documentation/devicetree/bindings/sound/nvidia,tegra186-dspk.yaml +++ b/Documentation/devicetree/bindings/sound/nvidia,tegra186-dspk.yaml @@ -17,6 +17,9 @@ maintainers: - Jon Hunter <jonathanh@nvidia.com> - Sameer Pujar <spujar@nvidia.com> +allOf: + - $ref: audio-graph-port.yaml# + properties: $nodename: pattern: "^dspk@[0-9a-f]*$" @@ -55,6 +58,19 @@ properties: The name can be "DSPK1" or "DSPKx", where x depends on the maximum available instances on a Tegra SoC. + ports: + type: object + properties: + port@0: + description: | + DSPK ACIF (Audio Client Interface) port connected to the + corresponding AHUB (Audio Hub) ACIF port. + + port@1: + description: | + DSPK DAP (Digital Audio Port) interface which can be connected + to external audio codec for playback. + required: - compatible - reg @@ -64,7 +80,7 @@ required: - assigned-clock-parents - sound-name-prefix -additionalProperties: false +unevaluatedProperties: false examples: - | diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra210-admaif.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra210-admaif.yaml index c028b259e822..7cee7722df41 100644 --- a/Documentation/devicetree/bindings/sound/nvidia,tegra210-admaif.yaml +++ b/Documentation/devicetree/bindings/sound/nvidia,tegra210-admaif.yaml @@ -17,6 +17,9 @@ maintainers: - Jon Hunter <jonathanh@nvidia.com> - Sameer Pujar <spujar@nvidia.com> +allOf: + - $ref: audio-graph-port.yaml# + properties: $nodename: pattern: "^admaif@[0-9a-f]*$" @@ -37,6 +40,14 @@ properties: dma-names: true + ports: + description: | + Contains list of ACIF (Audio CIF) port nodes for ADMAIF channels. + The number of port nodes depends on the number of ADMAIF channels + that SoC may have. These are interfaced with respective ACIF ports + in AHUB (Audio Hub). Each port is capable of data transfers in + both directions. + if: properties: compatible: @@ -81,7 +92,7 @@ required: - dmas - dma-names -additionalProperties: false +unevaluatedProperties: false examples: - | diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra210-ahub.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra210-ahub.yaml index d77219727768..31f3e51974bb 100644 --- a/Documentation/devicetree/bindings/sound/nvidia,tegra210-ahub.yaml +++ b/Documentation/devicetree/bindings/sound/nvidia,tegra210-ahub.yaml @@ -17,6 +17,9 @@ maintainers: - Jon Hunter <jonathanh@nvidia.com> - Sameer Pujar <spujar@nvidia.com> +allOf: + - $ref: audio-graph-port.yaml# + properties: $nodename: pattern: "^ahub@[0-9a-f]*$" @@ -56,6 +59,13 @@ properties: ranges: true + ports: + description: | + Contains list of ACIF (Audio CIF) port nodes for AHUB (Audio Hub). + These are connected to ACIF interfaces of AHUB clients. Thus the + number of port nodes depend on the number of clients that AHUB may + have depending on the SoC revision. + required: - compatible - reg @@ -67,8 +77,7 @@ required: - "#size-cells" - ranges -additionalProperties: - type: object +unevaluatedProperties: false examples: - | diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra210-dmic.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra210-dmic.yaml index 2a3207b550e7..89f4f471be24 100644 --- a/Documentation/devicetree/bindings/sound/nvidia,tegra210-dmic.yaml +++ b/Documentation/devicetree/bindings/sound/nvidia,tegra210-dmic.yaml @@ -16,6 +16,9 @@ maintainers: - Jon Hunter <jonathanh@nvidia.com> - Sameer Pujar <spujar@nvidia.com> +allOf: + - $ref: audio-graph-port.yaml# + properties: $nodename: pattern: "^dmic@[0-9a-f]*$" @@ -56,6 +59,19 @@ properties: The name can be "DMIC1" or "DMIC2" ... "DMICx", where x depends on the maximum available instances on a Tegra SoC. + ports: + type: object + properties: + port@0: + description: | + DMIC ACIF (Audio Client Interface) port connected to the + corresponding AHUB (Audio Hub) ACIF port. + + port@1: + description: | + DMIC DAP (Digital Audio Port) interface which can be connected + to external audio codec for capture. + required: - compatible - reg @@ -64,7 +80,7 @@ required: - assigned-clocks - assigned-clock-parents -additionalProperties: false +unevaluatedProperties: false examples: - | diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra210-i2s.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra210-i2s.yaml index dfc1bf7b7722..556460332ffb 100644 --- a/Documentation/devicetree/bindings/sound/nvidia,tegra210-i2s.yaml +++ b/Documentation/devicetree/bindings/sound/nvidia,tegra210-i2s.yaml @@ -16,6 +16,9 @@ maintainers: - Jon Hunter <jonathanh@nvidia.com> - Sameer Pujar <spujar@nvidia.com> +allOf: + - $ref: audio-graph-port.yaml# + properties: $nodename: pattern: "^i2s@[0-9a-f]*$" @@ -74,6 +77,19 @@ properties: The name can be "I2S1" or "I2S2" ... "I2Sx", where x depends on the maximum available instances on a Tegra SoC. + ports: + type: object + properties: + port@0: + description: | + I2S ACIF (Audio Client Interface) port connected to the + corresponding AHUB (Audio Hub) ACIF port. + + port@1: + description: | + I2S DAP (Digital Audio Port) interface which can be connected + to external audio codec for playback or capture. + required: - compatible - reg @@ -82,7 +98,7 @@ required: - assigned-clocks - assigned-clock-parents -additionalProperties: false +unevaluatedProperties: false examples: - | diff --git a/Documentation/devicetree/bindings/sound/rt5659.txt b/Documentation/devicetree/bindings/sound/rt5659.txt index 56788f50b6cf..c473df5c878c 100644 --- a/Documentation/devicetree/bindings/sound/rt5659.txt +++ b/Documentation/devicetree/bindings/sound/rt5659.txt @@ -37,10 +37,21 @@ Optional properties: - realtek,jd-src 0: No JD is used 1: using JD3 as JD source + 2: JD source for Intel HDA header - realtek,ldo1-en-gpios : The GPIO that controls the CODEC's LDO1_EN pin. - realtek,reset-gpios : The GPIO that controls the CODEC's RESET pin. +- sound-name-prefix: Please refer to name-prefix.txt + +- ports: A Codec may have a single or multiple I2S interfaces. These + interfaces on Codec side can be described under 'ports' or 'port'. + When the SoC or host device is connected to multiple interfaces of + the Codec, the connectivity can be described using 'ports' property. + If a single interface is used, then 'port' can be used. The usage + depends on the platform or board design. + Please refer to Documentation/devicetree/bindings/graph.txt + Pins on the device (for linking into audio routes) for RT5659/RT5658: * DMIC L1 diff --git a/Documentation/devicetree/bindings/sound/sirf-audio-codec.txt b/Documentation/devicetree/bindings/sound/sirf-audio-codec.txt deleted file mode 100644 index 062f5ec36f9b..000000000000 --- a/Documentation/devicetree/bindings/sound/sirf-audio-codec.txt +++ /dev/null @@ -1,17 +0,0 @@ -SiRF internal audio CODEC - -Required properties: - - - compatible : "sirf,atlas6-audio-codec" or "sirf,prima2-audio-codec" - - - reg : the register address of the device. - - - clocks: the clock of SiRF internal audio codec - -Example: - -audiocodec: audiocodec@b0040000 { - compatible = "sirf,atlas6-audio-codec"; - reg = <0xb0040000 0x10000>; - clocks = <&clks 27>; -}; diff --git a/Documentation/devicetree/bindings/sound/sirf-usp.txt b/Documentation/devicetree/bindings/sound/sirf-usp.txt deleted file mode 100644 index 02f85b32d359..000000000000 --- a/Documentation/devicetree/bindings/sound/sirf-usp.txt +++ /dev/null @@ -1,27 +0,0 @@ -* SiRF SoC USP module - -Required properties: -- compatible: "sirf,prima2-usp-pcm" -- reg: Base address and size entries: -- dmas: List of DMA controller phandle and DMA request line ordered pairs. -- dma-names: Identifier string for each DMA request line in the dmas property. - These strings correspond 1:1 with the ordered pairs in dmas. - - One of the DMA channels will be responsible for transmission (should be - named "tx") and one for reception (should be named "rx"). - -- clocks: USP controller clock source -- pinctrl-names: Must contain a "default" entry. -- pinctrl-NNN: One property must exist for each entry in pinctrl-names. - -Example: -usp0: usp@b0080000 { - compatible = "sirf,prima2-usp-pcm"; - reg = <0xb0080000 0x10000>; - clocks = <&clks 28>; - dmas = <&dmac1 1>, <&dmac1 2>; - dma-names = "rx", "tx"; - pinctrl-names = "default"; - pinctrl-0 = <&usp0_only_utfs_pins_a>; -}; - diff --git a/Documentation/devicetree/bindings/sound/wm8962.txt b/Documentation/devicetree/bindings/sound/wm8962.txt index dcfa9a3369fd..c36c649ddfd0 100644 --- a/Documentation/devicetree/bindings/sound/wm8962.txt +++ b/Documentation/devicetree/bindings/sound/wm8962.txt @@ -9,6 +9,9 @@ Required properties: - reg : the I2C address of the device. Optional properties: + + - clocks : The clock source of the mclk + - spk-mono: This is a boolean property. If present, the SPK_MONO bit of R51 (Class D Control 2) gets set, indicating that the speaker is in mono mode. @@ -27,6 +30,7 @@ Example: wm8962: codec@1a { compatible = "wlf,wm8962"; reg = <0x1a>; + clocks = <&clks IMX6QDL_CLK_CKO>; gpio-cfg = < 0x0000 /* 0:Default */ diff --git a/Documentation/devicetree/bindings/sound/zte,tdm.txt b/Documentation/devicetree/bindings/sound/zte,tdm.txt deleted file mode 100644 index 2a07ca655264..000000000000 --- a/Documentation/devicetree/bindings/sound/zte,tdm.txt +++ /dev/null @@ -1,30 +0,0 @@ -ZTE TDM DAI driver - -Required properties: - -- compatible : should be one of the following. - * zte,zx296718-tdm -- reg : physical base address of the controller and length of memory mapped - region. -- clocks : Pairs of phandle and specifier referencing the controller's clocks. -- clock-names: "wclk" for the wclk. - "pclk" for the pclk. --#clock-cells: should be 1. -- zte,tdm-dma-sysctrl : Reference to the sysctrl controller controlling - the dma. includes: - phandle of sysctrl. - register offset in sysctrl for control dma. - mask of the register that be written to sysctrl. - -Example: - - tdm: tdm@1487000 { - compatible = "zte,zx296718-tdm"; - reg = <0x01487000 0x1000>; - clocks = <&audiocrm AUDIO_TDM_WCLK>, <&audiocrm AUDIO_TDM_PCLK>; - clock-names = "wclk", "pclk"; - #clock-cells = <1>; - pinctrl-names = "default"; - pinctrl-0 = <&tdm_global_pin>; - zte,tdm-dma-sysctrl = <&sysctrl 0x10c 4>; - }; diff --git a/Documentation/devicetree/bindings/sound/zte,zx-aud96p22.txt b/Documentation/devicetree/bindings/sound/zte,zx-aud96p22.txt deleted file mode 100644 index 41bb1040eb71..000000000000 --- a/Documentation/devicetree/bindings/sound/zte,zx-aud96p22.txt +++ /dev/null @@ -1,24 +0,0 @@ -ZTE ZX AUD96P22 Audio Codec - -Required properties: - - compatible: Must be "zte,zx-aud96p22" - - #sound-dai-cells: Should be 0 - - reg: I2C bus slave address of AUD96P22 - -Example: - - i2c0: i2c@1486000 { - compatible = "zte,zx296718-i2c"; - reg = <0x01486000 0x1000>; - interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>; - #address-cells = <1>; - #size-cells = <0>; - clocks = <&audiocrm AUDIO_I2C0_WCLK>; - clock-frequency = <1600000>; - - aud96p22: codec@22 { - compatible = "zte,zx-aud96p22"; - #sound-dai-cells = <0>; - reg = <0x22>; - }; - }; diff --git a/Documentation/devicetree/bindings/sound/zte,zx-i2s.txt b/Documentation/devicetree/bindings/sound/zte,zx-i2s.txt deleted file mode 100644 index 3927251464f0..000000000000 --- a/Documentation/devicetree/bindings/sound/zte,zx-i2s.txt +++ /dev/null @@ -1,45 +0,0 @@ -ZTE ZX296702 I2S controller - -Required properties: - - compatible : Must be one of: - "zte,zx296718-i2s", "zte,zx296702-i2s" - "zte,zx296702-i2s" - - reg : Must contain I2S core's registers location and length - - clocks : Pairs of phandle and specifier referencing the controller's clocks. - - clock-names: "wclk" for the wclk, "pclk" for the pclk to the I2S interface. - - dmas: Pairs of phandle and specifier for the DMA channel that is used by - the core. The core expects two dma channels for transmit. - - dma-names : Must be "tx" and "rx" - -For more details on the 'dma', 'dma-names', 'clock' and 'clock-names' properties -please check: - * resource-names.txt - * clock/clock-bindings.txt - * dma/dma.txt - -Example: - i2s0: i2s@b005000 { - #sound-dai-cells = <0>; - compatible = "zte,zx296718-i2s", "zte,zx296702-i2s"; - reg = <0x0b005000 0x1000>; - clocks = <&audiocrm AUDIO_I2S0_WCLK>, <&audiocrm AUDIO_I2S0_PCLK>; - clock-names = "wclk", "pclk"; - interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>; - dmas = <&dma 5>, <&dma 6>; - dma-names = "tx", "rx"; - }; - - sound { - compatible = "simple-audio-card"; - simple-audio-card,name = "zx296702_snd"; - simple-audio-card,format = "left_j"; - simple-audio-card,bitclock-master = <&sndcodec>; - simple-audio-card,frame-master = <&sndcodec>; - sndcpu: simple-audio-card,cpu { - sound-dai = <&i2s0>; - }; - - sndcodec: simple-audio-card,codec { - sound-dai = <&acodec>; - }; - }; diff --git a/Documentation/devicetree/bindings/sound/zte,zx-spdif.txt b/Documentation/devicetree/bindings/sound/zte,zx-spdif.txt deleted file mode 100644 index 09231d7586b2..000000000000 --- a/Documentation/devicetree/bindings/sound/zte,zx-spdif.txt +++ /dev/null @@ -1,27 +0,0 @@ -ZTE ZX296702 SPDIF controller - -Required properties: - - compatible : Must be "zte,zx296702-spdif" - - reg : Must contain SPDIF core's registers location and length - - clocks : Pairs of phandle and specifier referencing the controller's clocks. - - clock-names: "tx" for the clock to the SPDIF interface. - - dmas: Pairs of phandle and specifier for the DMA channel that is used by - the core. The core expects one dma channel for transmit. - - dma-names : Must be "tx" - -For more details on the 'dma', 'dma-names', 'clock' and 'clock-names' properties -please check: - * resource-names.txt - * clock/clock-bindings.txt - * dma/dma.txt - -Example: - spdif0: spdif0@b004000 { - compatible = "zte,zx296702-spdif"; - reg = <0x0b004000 0x1000>; - clocks = <&lsp0clk ZX296702_SPDIF0_DIV>; - clock-names = "tx"; - interrupts = <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>; - dmas = <&dma 4>; - dma-names = "tx"; - }; |