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Sat, 11 Apr 2026 11:37:02 -0700 (PDT) Received: from snowman ([2400:7be0:12:e4dd:27b5:1cbd:36ed:c390]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82f0c337b1dsm7350091b3a.18.2026.04.11.11.36.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 11 Apr 2026 11:37:02 -0700 (PDT) From: Khushal Chitturi To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, liviu.dudau@arm.com, sudeep.holla@kernel.org, lpieralisi@kernel.org Cc: pawel.moll@arm.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Khushal Chitturi Subject: [PATCH v2] dt-bindings: ARM: arm,vexpress-scc: convert to DT schema Date: Sun, 12 Apr 2026 00:03:55 +0530 Message-ID: <20260411183355.8847-1-khushalchitturi@gmail.com> X-Mailer: git-send-email 2.53.0 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 ARM Versatile Express Serial Configuration Controller bindings to DT schema. Signed-off-by: Khushal Chitturi --- Changelog: v1 -> v2: - Modified compatible string to use an enum instead of a generic pattern. - Updated maintainers list. .../bindings/arm/arm,vexpress-scc.yaml | 53 +++++++++++++++++++ .../devicetree/bindings/arm/vexpress-scc.txt | 33 ------------ 2 files changed, 53 insertions(+), 33 deletions(-) create mode 100644 Documentation/devicetree/bindings/arm/arm,vexpress-scc.yaml delete mode 100644 Documentation/devicetree/bindings/arm/vexpress-scc.txt diff --git a/Documentation/devicetree/bindings/arm/arm,vexpress-scc.yaml b/Documentation/devicetree/bindings/arm/arm,vexpress-scc.yaml new file mode 100644 index 000000000000..9b8f7e0c4ea0 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/arm,vexpress-scc.yaml @@ -0,0 +1,53 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/arm,vexpress-scc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ARM Versatile Express Serial Configuration Controller + +maintainers: + - Liviu Dudau + - Sudeep Holla + +description: | + Test chips for ARM Versatile Express platform implement SCC (Serial + Configuration Controller) interface, used to set initial conditions + for the test chip. + + In some cases its registers are also mapped in normal address space + and can be used to obtain runtime information about the chip internals + (like silicon temperature sensors) and as interface to other subsystems + like platform configuration control and power management. + +properties: + compatible: + items: + - enum: + - arm,vexpress-scc,v2p-ca15_a7 + - const: arm,vexpress-scc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + +required: + - compatible + +additionalProperties: false + +examples: + - | + bus { + #address-cells = <2>; + #size-cells = <2>; + + scc@7fff0000 { + compatible = "arm,vexpress-scc,v2p-ca15_a7", "arm,vexpress-scc"; + reg = <0 0x7fff0000 0 0x1000>; + interrupts = <0 95 4>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/arm/vexpress-scc.txt b/Documentation/devicetree/bindings/arm/vexpress-scc.txt deleted file mode 100644 index ae5043e42e5d..000000000000 --- a/Documentation/devicetree/bindings/arm/vexpress-scc.txt +++ /dev/null @@ -1,33 +0,0 @@ -ARM Versatile Express Serial Configuration Controller ------------------------------------------------------ - -Test chips for ARM Versatile Express platform implement SCC (Serial -Configuration Controller) interface, used to set initial conditions -for the test chip. - -In some cases its registers are also mapped in normal address space -and can be used to obtain runtime information about the chip internals -(like silicon temperature sensors) and as interface to other subsystems -like platform configuration control and power management. - -Required properties: - -- compatible value: "arm,vexpress-scc,", "arm,vexpress-scc"; - where is the full tile model name (as used - in the tile's Technical Reference Manual), - eg. for Coretile Express A15x2 A7x3 (V2P-CA15_A7): - compatible = "arm,vexpress-scc,v2p-ca15_a7", "arm,vexpress-scc"; - -Optional properties: - -- reg: when the SCC is memory mapped, physical address and size of the - registers window -- interrupts: when the SCC can generate a system-level interrupt - -Example: - - scc@7fff0000 { - compatible = "arm,vexpress-scc,v2p-ca15_a7", "arm,vexpress-scc"; - reg = <0 0x7fff0000 0 0x1000>; - interrupts = <0 95 4>; - }; -- 2.53.0