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[94.59.215.181]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4804244c6cesm2005735e9.0.2026.01.20.11.06.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 20 Jan 2026 11:06:28 -0800 (PST) From: "Anton D. Stavinskii" Date: Tue, 20 Jan 2026 23:06:08 +0400 Subject: [PATCH v4 6/6] riscv: dts: sophgo: dts nodes for i2s tdm modules Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260120-cv1800b-i2s-driver-v4-6-6ef787dc6426@gmail.com> References: <20260120-cv1800b-i2s-driver-v4-0-6ef787dc6426@gmail.com> In-Reply-To: <20260120-cv1800b-i2s-driver-v4-0-6ef787dc6426@gmail.com> To: Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen Wang , Inochi Amaoto , Jaroslav Kysela , Takashi Iwai , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Cc: linux-sound@vger.kernel.org, devicetree@vger.kernel.org, sophgo@lists.linux.dev, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, "Anton D. Stavinskii" X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1768935966; l=4275; i=stavinsky@gmail.com; s=20260115; h=from:subject:message-id; bh=X+s12PRGw5dEE4UNo2e5A0PjiGovDts5oKNtEN72P90=; b=Cwq4vdM8lAMNexXf49piuwk9NPj4tlC29MXQjZSSksluPp5PAggrMazkMg2b0Y8QaQtdqFUDc 1DAE12pFXwmCl8OKZPgqfeXsmPUQBgO22kRGdD2kMXHTTkzfheVfobG X-Developer-Key: i=stavinsky@gmail.com; a=ed25519; pk=2WxGZ1zd1vQwSPFCSks6zrADqUDBUdtq39lElk4ZE7Q= Introduced I2S nodes and internal dac and adc nodes as well The new header file provided in order to make DMA channel names more readable. Signed-off-by: Anton D. Stavinskii --- arch/riscv/boot/dts/sophgo/cv180x-dmamux.h | 57 ++++++++++++++++++++++++++= ++++ arch/riscv/boot/dts/sophgo/cv180x.dtsi | 55 ++++++++++++++++++++++++++= ++ 2 files changed, 112 insertions(+) diff --git a/arch/riscv/boot/dts/sophgo/cv180x-dmamux.h b/arch/riscv/boot/d= ts/sophgo/cv180x-dmamux.h new file mode 100644 index 000000000000..6314bf6e9dc8 --- /dev/null +++ b/arch/riscv/boot/dts/sophgo/cv180x-dmamux.h @@ -0,0 +1,57 @@ +/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */ +/* + * Copyright (C) 2025 Inochi Amaoto + */ + +#ifndef _SOPHGO_CV18XX_DMAMUX +#define _SOPHGO_CV18XX_DMAMUX + +#define DMA_I2S0_RX 0 +#define DMA_I2S0_TX 1 +#define DMA_I2S1_RX 2 +#define DMA_I2S1_TX 3 +#define DMA_I2S2_RX 4 +#define DMA_I2S2_TX 5 +#define DMA_I2S3_RX 6 +#define DMA_I2S3_TX 7 +#define DMA_UART0_RX 8 +#define DMA_UART0_TX 9 +#define DMA_UART1_RX 10 +#define DMA_UART1_TX 11 +#define DMA_UART2_RX 12 +#define DMA_UART2_TX 13 +#define DMA_UART3_RX 14 +#define DMA_UART3_TX 15 +#define DMA_SPI0_RX 16 +#define DMA_SPI0_TX 17 +#define DMA_SPI1_RX 18 +#define DMA_SPI1_TX 19 +#define DMA_SPI2_RX 20 +#define DMA_SPI2_TX 21 +#define DMA_SPI3_RX 22 +#define DMA_SPI3_TX 23 +#define DMA_I2C0_RX 24 +#define DMA_I2C0_TX 25 +#define DMA_I2C1_RX 26 +#define DMA_I2C1_TX 27 +#define DMA_I2C2_RX 28 +#define DMA_I2C2_TX 29 +#define DMA_I2C3_RX 30 +#define DMA_I2C3_TX 31 +#define DMA_I2C4_RX 32 +#define DMA_I2C4_TX 33 +#define DMA_TDM0_RX 34 +#define DMA_TDM0_TX 35 +#define DMA_TDM1_RX 36 +#define DMA_AUDSRC 37 +#define DMA_SPI_NAND 38 +#define DMA_SPI_NOR 39 +#define DMA_UART4_RX 40 +#define DMA_UART4_TX 41 +#define DMA_SPI_NOR1 42 + +#define DMA_CPU_A53 0 +#define DMA_CPU_C906_0 1 +#define DMA_CPU_C906_1 2 + +#endif // _SOPHGO_CV18XX_DMAMUX diff --git a/arch/riscv/boot/dts/sophgo/cv180x.dtsi b/arch/riscv/boot/dts/s= ophgo/cv180x.dtsi index 06b0ce5a2db7..ebe5e8113939 100644 --- a/arch/riscv/boot/dts/sophgo/cv180x.dtsi +++ b/arch/riscv/boot/dts/sophgo/cv180x.dtsi @@ -8,6 +8,7 @@ #include #include #include "cv18xx-reset.h" +#include "cv180x-dmamux.h" =20 / { #address-cells =3D <1>; @@ -448,6 +449,60 @@ usb: usb@4340000 { status =3D "disabled"; }; =20 + i2s0: i2s@4100000 { + compatible =3D "sophgo,cv1800b-i2s"; + reg =3D <0x04100000 0x1000>; + clocks =3D <&clk CLK_APB_I2S0>, <&clk CLK_SDMA_AUD0>; + clock-names =3D "i2s", "mclk"; + dmas =3D <&dmamux DMA_I2S0_RX 1>, <&dmamux DMA_I2S0_TX 1>; + dma-names =3D "rx", "tx"; + status =3D "disabled"; + }; + + i2s1: i2s@4110000 { + compatible =3D "sophgo,cv1800b-i2s"; + reg =3D <0x04110000 0x1000>; + clocks =3D <&clk CLK_APB_I2S1>, <&clk CLK_SDMA_AUD1>; + clock-names =3D "i2s", "mclk"; + dmas =3D <&dmamux DMA_I2S1_RX 1>, <&dmamux DMA_I2S1_TX 1>; + dma-names =3D "rx", "tx"; + status =3D "disabled"; + }; + + i2s2: i2s@4120000 { + compatible =3D "sophgo,cv1800b-i2s"; + reg =3D <0x04120000 0x1000>; + clocks =3D <&clk CLK_APB_I2S2>, <&clk CLK_SDMA_AUD2>; + clock-names =3D "i2s", "mclk"; + dmas =3D <&dmamux DMA_I2S2_RX 1>, <&dmamux DMA_I2S2_TX 1>; + dma-names =3D "rx", "tx"; + status =3D "disabled"; + }; + + i2s3: i2s@4130000 { + compatible =3D "sophgo,cv1800b-i2s"; + reg =3D <0x04130000 0x1000>; + clocks =3D <&clk CLK_APB_I2S3>, <&clk CLK_SDMA_AUD3>; + clock-names =3D "i2s", "mclk"; + dmas =3D <&dmamux DMA_I2S3_RX 1>, <&dmamux DMA_I2S3_TX 1>; + dma-names =3D "rx", "tx"; + status =3D "disabled"; + }; + + int_adc: codec@300a100 { + compatible =3D "sophgo,cv1800b-sound-adc"; + #sound-dai-cells =3D <0>; + reg =3D <0x300a100 0x100>; + status =3D "disabled"; + }; + + int_dac: codec@300a000 { + compatible =3D "sophgo,cv1800b-sound-dac"; + #sound-dai-cells =3D <0>; + reg =3D <0x300a000 0x100>; + status =3D "disabled"; + }; + rtc@5025000 { compatible =3D "sophgo,cv1800b-rtc", "syscon"; reg =3D <0x5025000 0x2000>; --=20 2.43.0