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Mon, 17 Aug 2026 03:02:12 -0700 (PDT) Received: from localhost.localdomain ([82.137.32.242]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-4999610ed6dsm170661445e9.8.2026.08.17.03.02.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Aug 2026 03:02:11 -0700 (PDT) From: Eduard Bostina To: Conor Dooley , devicetree@vger.kernel.org, Eduard Bostina , Krzysztof Kozlowski , Lee Jones , linux-kernel@vger.kernel.org, mfd@lists.linux.dev, Rob Herring Cc: daniel.baluta@nxp.com, simona.toaca@nxp.com, goledhruva@gmail.com, m-chawdhry@ti.com Subject: [PATCH v3] dt-bindings: mfd: Convert TI TWL6040 to DT schema Date: Mon, 17 Aug 2026 10:02:07 +0000 Message-ID: <20260817100207.2970303-1-egbostina@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: 8bit Convert the Texas Instruments TWL6040 audio codecs family bindings to DT schema. During the conversion, the following updates were made: - Changed 'twl6040,audpwron-gpio' to 'ti,audpwron-gpio', which was misnamed in the old txt binding. - Made 'gpio-controller', '#gpio-cells', and 'ti,audpwron-gpio' optional because modern platforms do not require them. - Renamed the vibra 'vddvibl_uV'/'vddvibr_uV' properties to 'ti,vddvibl-uV'/'ti,vddvibr-uV', the names actually read by the twl6040-vibra driver. - Required 'vddvibl-supply' and 'vddvibr-supply' when the 'vibra' child node is present, since the twl6040-vibra driver unconditionally requests both. Signed-off-by: Eduard Bostina --- Changes in v3: - Required 'vddvibl-supply' and 'vddvibr-supply' when the 'vibra' child node is present, since the twl6040-vibra driver requests both unconditionally. Link to v2: https://lore.kernel.org/all/20260816092847.2522994-1-egbostina@gmail.com/ Link to v1: https://lore.kernel.org/all/20260815083451.2147129-1-egbostina@gmail.com/ .../devicetree/bindings/mfd/ti,twl6040.yaml | 151 ++++++++++++++++++ .../devicetree/bindings/mfd/twl6040.txt | 67 -------- 2 files changed, 151 insertions(+), 67 deletions(-) create mode 100644 Documentation/devicetree/bindings/mfd/ti,twl6040.yaml delete mode 100644 Documentation/devicetree/bindings/mfd/twl6040.txt diff --git a/Documentation/devicetree/bindings/mfd/ti,twl6040.yaml b/Documentation/devicetree/bindings/mfd/ti,twl6040.yaml new file mode 100644 index 000000000000..0d4e620d25a5 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/ti,twl6040.yaml @@ -0,0 +1,151 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/ti,twl6040.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments TWL6040 family audio codec + +maintainers: + - Eduard Bostina + +description: + The TWL6040s are 8-channel high quality low-power audio codecs providing + audio, vibra and GPO functionality on OMAP4+ platforms. They are connected + to the host processor via i2c for commands, McPDM for audio data and + commands. + +properties: + compatible: + enum: + - ti,twl6040 + - ti,twl6041 + + reg: + const: 0x4b + + interrupts: + maxItems: 1 + + gpio-controller: true + + "#gpio-cells": + const: 1 + + "#clock-cells": + const: 0 + + ti,audpwron-gpio: + maxItems: 1 + description: Power on GPIO line for the twl6040 + + vio-supply: + description: Regulator for the twl6040 VIO supply + + v2v1-supply: + description: Regulator for the twl6040 V2V1 supply + + enable-active-high: + type: boolean + description: To power on the twl6040 during boot. + + clocks: + minItems: 1 + maxItems: 2 + + clock-names: + minItems: 1 + maxItems: 2 + items: + enum: + - clk32k + - mclk + + vddvibl-supply: + description: Regulator for the left vibra motor + + vddvibr-supply: + description: Regulator for the right vibra motor + + vibra: + type: object + additionalProperties: false + properties: + ti,vibldrv-res: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Resistance parameter for left driver + ti,vibrdrv-res: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Resistance parameter for right driver + ti,viblmotor-res: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Resistance parameter for left motor + ti,vibrmotor-res: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Resistance parameter for right motor + ti,vddvibl-uV: + $ref: /schemas/types.yaml#/definitions/uint32 + description: vddvibl default voltage if it needs to be changed + ti,vddvibr-uV: + $ref: /schemas/types.yaml#/definitions/uint32 + description: vddvibr default voltage if it needs to be changed + + required: + - ti,vibldrv-res + - ti,vibrdrv-res + - ti,viblmotor-res + - ti,vibrmotor-res + +required: + - compatible + - reg + - interrupts + - "#clock-cells" + - vio-supply + - v2v1-supply + +allOf: + - if: + required: + - vibra + then: + required: + - vddvibl-supply + - vddvibr-supply + +additionalProperties: false + +examples: + - | + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + audio-codec@4b { + compatible = "ti,twl6040"; + reg = <0x4b>; + interrupts = <0 119 IRQ_TYPE_LEVEL_HIGH>; + interrupt-parent = <&gic>; + gpio-controller; + #gpio-cells = <1>; + #clock-cells = <0>; + ti,audpwron-gpio = <&gpio4 31 0>; + + vio-supply = <&v1v8>; + v2v1-supply = <&v2v1>; + enable-active-high; + + /* regulators for vibra motor */ + vddvibl-supply = <&vbat>; + vddvibr-supply = <&vbat>; + + vibra { + ti,vibldrv-res = <8>; + ti,vibrdrv-res = <3>; + ti,viblmotor-res = <10>; + ti,vibrmotor-res = <10>; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/mfd/twl6040.txt b/Documentation/devicetree/bindings/mfd/twl6040.txt deleted file mode 100644 index dfd8683ede0c..000000000000 --- a/Documentation/devicetree/bindings/mfd/twl6040.txt +++ /dev/null @@ -1,67 +0,0 @@ -Texas Instruments TWL6040 family - -The TWL6040s are 8-channel high quality low-power audio codecs providing audio, -vibra and GPO functionality on OMAP4+ platforms. -They are connected to the host processor via i2c for commands, McPDM for audio -data and commands. - -Required properties: -- compatible : "ti,twl6040" for twl6040, "ti,twl6041" for twl6041 -- reg: must be 0x4b for i2c address -- interrupts: twl6040 has one interrupt line connecteded to the main SoC -- gpio-controller: -- #gpio-cells = <1>: twl6040 provides GPO lines. -- #clock-cells = <0>; twl6040 is a provider of pdmclk which is used by McPDM -- twl6040,audpwron-gpio: Power on GPIO line for the twl6040 - -- vio-supply: Regulator for the twl6040 VIO supply -- v2v1-supply: Regulator for the twl6040 V2V1 supply - -Optional properties, nodes: -- enable-active-high: To power on the twl6040 during boot. -- clocks: phandle to the clk32k and/or to mclk clock provider -- clock-names: Must be "clk32k" for the 32K clock and "mclk" for the MCLK. - -Vibra functionality -Required properties: -- vddvibl-supply: Regulator for the left vibra motor -- vddvibr-supply: Regulator for the right vibra motor -- vibra { }: Configuration section for vibra parameters containing the following - properties: -- ti,vibldrv-res: Resistance parameter for left driver -- ti,vibrdrv-res: Resistance parameter for right driver -- ti,viblmotor-res: Resistance parameter for left motor -- ti,viblmotor-res: Resistance parameter for right motor - -Optional properties within vibra { } section: -- vddvibl_uV: If the vddvibl default voltage need to be changed -- vddvibr_uV: If the vddvibr default voltage need to be changed - -Example: -&i2c1 { - twl6040: twl@4b { - compatible = "ti,twl6040"; - - interrupts = <0 119 4>; - interrupt-parent = <&gic>; - twl6040,audpwron-gpio = <&gpio4 31 0>; - - vio-supply = <&v1v8>; - v2v1-supply = <&v2v1>; - enable-active-high; - - /* regulators for vibra motor */ - vddvibl-supply = <&vbat>; - vddvibr-supply = <&vbat>; - - vibra { - /* Vibra driver, motor resistance parameters */ - ti,vibldrv-res = <8>; - ti,vibrdrv-res = <3>; - ti,viblmotor-res = <10>; - ti,vibrmotor-res = <10>; - }; - }; -}; - -/include/ "twl6040.dtsi" -- 2.43.0