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Mon, 12 Oct 2026 12:02:49 -0700 (PDT) From: Alex Elder To: tglx@kernel.org, radu@rendec.net, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: p.zabel@pengutronix.de, mohd.anwar@oss.qualcomm.com, lorenzo.bianconi@oss.qualcomm.com, danielt@kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Daniel Thompson Subject: [PATCH 1/2] dt-bindings: interrupt-controller: introduce toshiba,tc9564-msigen.yaml Date: Mon, 12 Oct 2026 14:02:43 -0500 Message-ID: <20261012190245.3988619-2-elder@riscstar.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261012190245.3988619-1-elder@riscstar.com> References: <20261012190245.3988619-1-elder@riscstar.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Define the binding for the MSIGEN interrupt controller present in the Toshiba TC9564 SoC. Co-developed-by: Daniel Thompson Signed-off-by: Daniel Thompson Signed-off-by: Alex Elder --- .../toshiba,tc9564-msigen.yaml | 70 +++++++++++++++++++ MAINTAINERS | 6 ++ 2 files changed, 76 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/toshiba,tc9564-msigen.yaml diff --git a/Documentation/devicetree/bindings/interrupt-controller/toshiba,tc9564-msigen.yaml b/Documentation/devicetree/bindings/interrupt-controller/toshiba,tc9564-msigen.yaml new file mode 100644 index 0000000000000..39dc63964bd52 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/toshiba,tc9564-msigen.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interrupt-controller/toshiba,tc9564-msigen.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Toshiba TC9564 MSIGEN Interrupt Controller + +maintainers: + - Daniel Thompson + - Alex Elder + +description: | + The Toshiba TC9564 is an SoC accessed by a host system through the + upstream PCIe port on the PCIe switch it implements. The switch + includes an embedded PCIe endpoint that provides access to various + SoC peripherals (including an interrupt controller) via its BARs. + + The TC9564 MSIGEN (MSI Generator) provides an interrupt controller + with 25 hardware interrupt lines. It aggregates internal interrupts + and generates a single PCIe MSI to the host. Each PCIe function + implements an MSIGEN instance. + + Each MSIGEN uses a gated clock and reset line. These are provided + by the clock and reset controllers internal to the TC9564. + +allOf: + - $ref: /schemas/interrupt-controller.yaml# + +properties: + compatible: + const: toshiba,tc9564-msigen + + reg: + maxItems: 1 + + interrupt-controller: true + + '#interrupt-cells': + const: 1 + + clocks: + maxItems: 1 + description: Gate clock from the TC9564 clock controller + + resets: + maxItems: 1 + description: Reset signal from the TC9564 reset controller + +required: + - compatible + - reg + - interrupt-controller + - '#interrupt-cells' + +additionalProperties: false + +examples: + - | + #include + #include + + interrupt-controller@f000 { + compatible = "toshiba,tc9564-msigen"; + reg = <0xf000 0x100>; + interrupt-controller; + #interrupt-cells = <1>; + clocks = <&tc9564_clock0 CLOCK_MSIGEN>; + resets = <&tc9564_reset0 RESET_MSIGEN>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 252b6d7ee1638..9e73a912f0c0f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -28173,6 +28173,12 @@ F: Documentation/devicetree/bindings/media/i2c/toshiba,tc358743.yaml F: drivers/media/i2c/tc358743* F: include/media/i2c/tc358743.h +TOSHIBA TC9564 MSIGEN DRIVER +M: Alex Elder +M: Daniel Thompson +S: Maintained +F: Documentation/devicetree/bindings/interrupt-controller/toshiba,tc9564-msigen.yaml + TOSHIBA TC9564 PCI DRIVER M: Alex Elder M: Daniel Thompson -- 2.53.0