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Tue, 25 Feb 2025 18:15:08 -0800 (PST) From: Chen Wang To: u.kleine-koenig@baylibre.com, aou@eecs.berkeley.edu, arnd@arndb.de, unicorn_wang@outlook.com, conor+dt@kernel.org, guoren@kernel.org, inochiama@outlook.com, krzk+dt@kernel.org, palmer@dabbelt.com, paul.walmsley@sifive.com, robh@kernel.org, tglx@linutronix.de, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, chao.wei@sophgo.com, xiaoguang.xing@sophgo.com, fengchun.li@sophgo.com Subject: [PATCH v5 1/3] dt-bindings: interrupt-controller: Add Sophgo SG2042 MSI Date: Wed, 26 Feb 2025 10:15:01 +0800 Message-Id: <44de02977624be334ba6328acfdbb2a375f2071f.1740535748.git.unicorn_wang@outlook.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250225_181510_632526_51997C98 X-CRM114-Status: GOOD ( 12.17 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Chen Wang Add binding for Sophgo SG2042 MSI controller. Reviewed-by: Rob Herring (Arm) Signed-off-by: Chen Wang --- .../sophgo,sg2042-msi.yaml | 61 +++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/sophgo,sg2042-msi.yaml diff --git a/Documentation/devicetree/bindings/interrupt-controller/sophgo,sg2042-msi.yaml b/Documentation/devicetree/bindings/interrupt-controller/sophgo,sg2042-msi.yaml new file mode 100644 index 000000000000..e1ffd55fa7bf --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/sophgo,sg2042-msi.yaml @@ -0,0 +1,61 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interrupt-controller/sophgo,sg2042-msi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sophgo SG2042 MSI Controller + +maintainers: + - Chen Wang + +description: + This interrupt controller is in Sophgo SG2042 for transforming interrupts from + PCIe MSI to PLIC interrupts. + +allOf: + - $ref: /schemas/interrupt-controller/msi-controller.yaml# + +properties: + compatible: + const: sophgo,sg2042-msi + + reg: + items: + - description: clear register + - description: msi doorbell address + + reg-names: + items: + - const: clr + - const: doorbell + + msi-controller: true + + msi-ranges: + maxItems: 1 + + "#msi-cells": + const: 0 + +required: + - compatible + - reg + - reg-names + - msi-controller + - msi-ranges + - "#msi-cells" + +unevaluatedProperties: false + +examples: + - | + #include + msi-controller@30000000 { + compatible = "sophgo,sg2042-msi"; + reg = <0x30000000 0x4>, <0x30000008 0x4>; + reg-names = "clr", "doorbell"; + msi-controller; + #msi-cells = <0>; + msi-ranges = <&plic 64 IRQ_TYPE_LEVEL_HIGH 32>; + };