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([103.249.241.52]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82f6744b350sm5322841b3a.54.2026.04.16.08.24.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Apr 2026 08:24:58 -0700 (PDT) From: Chaitanya Sabnis To: Max Filippov , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Chaitanya Sabnis Subject: [PATCH] ASoC: dt-bindings: cdns: Convert xtfpga I2S to dt-schema Date: Thu, 16 Apr 2026 20:53:29 +0530 Message-ID: <20260416152329.6016-1-chaitanya.msabnis@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Convert the Cadence XTensa FPGA I2S controller plain-text binding documentation to standard dt-schema (YAML). The hardware requires exactly one memory region, one interrupt line, and one phandle to the master clock. Verified these constraints against the driver source in sound/soc/xtensa/xtfpga-i2s.c. Signed-off-by: Chaitanya Sabnis Reviewed-by: Max Filippov --- .../bindings/sound/cdns,xtfpga-i2s.txt | 18 ------- .../bindings/sound/cdns,xtfpga-i2s.yaml | 48 +++++++++++++++++++ 2 files changed, 48 insertions(+), 18 deletions(-) delete mode 100644 Documentation/devicetree/bindings/sound/cdns,xtfpga-i2s= .txt create mode 100644 Documentation/devicetree/bindings/sound/cdns,xtfpga-i2s= .yaml diff --git a/Documentation/devicetree/bindings/sound/cdns,xtfpga-i2s.txt b/= Documentation/devicetree/bindings/sound/cdns,xtfpga-i2s.txt deleted file mode 100644 index 860fc0da39c0..000000000000 --- a/Documentation/devicetree/bindings/sound/cdns,xtfpga-i2s.txt +++ /dev/null @@ -1,18 +0,0 @@ -Bindings for I2S controller built into xtfpga Xtensa bitstreams. - -Required properties: -- compatible: shall be "cdns,xtfpga-i2s". -- reg: memory region (address and length) with device registers. -- interrupts: interrupt for the device. -- clocks: phandle to the clk used as master clock. I2S bus clock - is derived from it. - -Examples: - - i2s0: xtfpga-i2s@d080000 { - #sound-dai-cells =3D <0>; - compatible =3D "cdns,xtfpga-i2s"; - reg =3D <0x0d080000 0x40>; - interrupts =3D <2 1>; - clocks =3D <&cdce706 4>; - }; diff --git a/Documentation/devicetree/bindings/sound/cdns,xtfpga-i2s.yaml b= /Documentation/devicetree/bindings/sound/cdns,xtfpga-i2s.yaml new file mode 100644 index 000000000000..9a4a9db3c159 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/cdns,xtfpga-i2s.yaml @@ -0,0 +1,48 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/cdns,xtfpga-i2s.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cadence XTensa FPGA I2S Controller + +maintainers: + - Max Filippov + +allOf: + - $ref: dai-common.yaml# + +properties: + compatible: + const: cdns,xtfpga-i2s + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + description: phandle to the clk used as master clock. I2S bus clock is= derived from it. + + "#sound-dai-cells": + const: 0 + +required: + - compatible + - reg + - interrupts + - clocks + +unevaluatedProperties: false + +examples: + - | + i2s@d080000 { + compatible =3D "cdns,xtfpga-i2s"; + reg =3D <0x0d080000 0x40>; + interrupts =3D <2 1>; + clocks =3D <&cdce706 4>; + #sound-dai-cells =3D <0>; + }; --=20 2.43.0