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Sat, 15 Aug 2026 11:53:52 -0700 (PDT) From: Bhargav Joshi Date: Sun, 16 Aug 2026 00:23:00 +0530 Subject: [PATCH v2 2/2] dt-bindings: mfd: ti,keystone-devctrl: Convert to DT schema 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: 7bit Message-Id: <20260816-ti-keystone-devctrl-v2-2-5ab1e13c15c1@gmail.com> References: <20260816-ti-keystone-devctrl-v2-0-5ab1e13c15c1@gmail.com> In-Reply-To: <20260816-ti-keystone-devctrl-v2-0-5ab1e13c15c1@gmail.com> To: Lee Jones , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Ivan Khoronzhuk , Nishanth Menon , Santosh Shilimkar Cc: mfd@lists.linux.dev, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, goledhruva@gmail.com, m-chawdhry@ti.com, daniel.baluta@gmail.com, simona.toaca@nxp.com, j.bhargav.u@gmail.com, linux-arm-kernel@lists.infradead.org X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1786819992; l=4318; i=j.bhargav.u@gmail.com; h=from:subject:message-id; bh=TsN72N+hkJvAQl8CkzfNLqHYseFH06ElrzzP5rsMKyw=; b=uRDyzbTCz1K4RRIHatznqaz/5k5+xEFzai99gT93Mq+Cp0RJx/rmAguaVj44/UvC4HPJH6ZdE GazBrxm4IOmDlc1kGO5wAAksx7T9oivA7w+dnDpNtcpJ93ud+lzg5GJ X-Developer-Key: i=j.bhargav.u@gmail.com; a=ed25519; pk=IqNDwUZKECEA+n8wXctFLBbYL9NhFstZNbOznm/nX1k= Convert the Texas Instruments Keystone Device State Control binding from legacy text format to DT schema. During the conversion, the following updates were made: - Add "simple-mfd" to compatibles matching existing dts usage. - Add required bus properties #address-cells, #size-cells, and ranges which were missing in text binding. - Document child nodes gpio, interrupt-controller, and reset-controller. Signed-off-by: Bhargav Joshi --- Note: Running dt_binding_check on patch will yield a warning for 'ti,keystone-reset' in the example block. The YAML conversion patch for that child node is already in progress here: https://lore.kernel.org/linux-devicetree/20260813-ti-keystone-reset-v1-1-189389503324@gmail.com/ --- .../bindings/mfd/ti,keystone-devctrl.yaml | 84 ++++++++++++++++++++++ .../bindings/mfd/ti-keystone-devctrl.txt | 19 ----- 2 files changed, 84 insertions(+), 19 deletions(-) diff --git a/Documentation/devicetree/bindings/mfd/ti,keystone-devctrl.yaml b/Documentation/devicetree/bindings/mfd/ti,keystone-devctrl.yaml new file mode 100644 index 000000000000..dd73b62357ca --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/ti,keystone-devctrl.yaml @@ -0,0 +1,84 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/ti,keystone-devctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments Keystone Device State Control + +maintainers: + - Ivan Khoronzhuk + +description: + The Keystone II devices have a set of registers that are used to control the + status of its peripherals. This node is intended to allow access to this + functionality. + +properties: + compatible: + items: + - const: ti,keystone-devctrl + - const: syscon + - const: simple-mfd + + reg: + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + + ranges: true + +patternProperties: + "^gpio@[0-9a-f]+$": + type: object + description: Keystone DSP GPIO controller + + "^interrupt-controller@[0-9a-f]+$": + type: object + description: Keystone DSP to ARM interrupt controller + + "^reset-controller@[0-9a-f]+$": + type: object + description: Keystone reset controller + +required: + - compatible + - reg + - "#address-cells" + - "#size-cells" + - ranges + +additionalProperties: false + +examples: + - | + #include + + device-state-control@2620000 { + compatible = "ti,keystone-devctrl", "syscon", "simple-mfd"; + reg = <0x02620000 0x1000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x02620000 0x1000>; + + interrupt-controller@2a0 { + compatible = "ti,keystone-irq"; + reg = <0x2a0 0x4>; + interrupts = ; + interrupt-controller; + #interrupt-cells = <1>; + ti,syscon-dev = <&devctrl 0x2a0>; + }; + + reset-controller@328 { + compatible = "ti,keystone-reset"; + reg = <0x328 0x10>; + ti,syscon-pll = <&pllctrl 0xe4>; + ti,syscon-dev = <&devctrl 0x328>; + ti,wdt-list = <0>; + }; + }; diff --git a/Documentation/devicetree/bindings/mfd/ti-keystone-devctrl.txt b/Documentation/devicetree/bindings/mfd/ti-keystone-devctrl.txt deleted file mode 100644 index 71a1f5963936..000000000000 --- a/Documentation/devicetree/bindings/mfd/ti-keystone-devctrl.txt +++ /dev/null @@ -1,19 +0,0 @@ -* Device tree bindings for Texas Instruments keystone device state control - -The Keystone II devices have a set of registers that are used to control -the status of its peripherals. This node is intended to allow access to -this functionality. - -Required properties: - -- compatible: "ti,keystone-devctrl", "syscon" - -- reg: contains offset/length value for device state control - registers space. - -Example: - -devctrl: device-state-control@02620000 { - compatible = "ti,keystone-devctrl", "syscon"; - reg = <0x02620000 0x1000>; -}; -- 2.55.0