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charset="utf-8" Message-Id: <20261104-a9-i2c-v7-1-b31f2b53faf4@amlogic.com> References: <20261104-a9-i2c-v7-0-b31f2b53faf4@amlogic.com> In-Reply-To: <20261104-a9-i2c-v7-0-b31f2b53faf4@amlogic.com> To: Junyi Zhao , Andi Shyti , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Xianwei Zhao Cc: Junyi Zhao , linux-i2c@vger.kernel.org, linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Xianwei Zhao , Conor Dooley X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1793786462; l=1772; i=xianwei.zhao@amlogic.com; s=20251216; h=from:subject:message-id; bh=Sz+UB7O1ObrX0Ep7OtBMUUtSVaLagIleTbf9GlXMQy8=; b=WhtEilMMr8PFBI9Pb17tCw2h/eTSiut7hp/36JutLYvH6xzDA5FVFYAnrXIQWffZnoFVuReL8 ZoSMrKJfqQFBC+BZT7oS260qrELYZMPCpVwQPCszgatkGwIhHxVh6t7 X-Developer-Key: i=xianwei.zhao@amlogic.com; a=ed25519; pk=dWwxtWCxC6FHRurOmxEtr34SuBYU+WJowV/ZmRJ7H+k= X-Endpoint-Received: by B4 Relay for xianwei.zhao@amlogic.com/20251216 with auth_id=578 X-Original-From: Xianwei Zhao Reply-To: xianwei.zhao@amlogic.com Content-Transfer-Encoding: 7bit From: Xianwei Zhao Add a Device Tree binding for the I2C controller found on the Amlogic A9 SoC. Acked-by: Conor Dooley Signed-off-by: Xianwei Zhao --- .../devicetree/bindings/i2c/amlogic,a9-i2c.yaml | 56 ++++++++++++++++++++++ 1 file changed, 56 insertions(+) diff --git a/Documentation/devicetree/bindings/i2c/amlogic,a9-i2c.yaml b/Documentation/devicetree/bindings/i2c/amlogic,a9-i2c.yaml new file mode 100644 index 000000000000..31ddc6d23732 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/amlogic,a9-i2c.yaml @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/amlogic,a9-i2c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Amlogic A9 I2C Controller + +maintainers: + - Xianwei Zhao + - Junyi Zhao + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +properties: + compatible: + const: amlogic,a9-i2c + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + dmas: + items: + - description: DMA controller phandle and request line for RX + - description: DMA controller phandle and request line for TX + + dma-names: + items: + - const: rx + - const: tx + +required: + - compatible + - reg + - interrupts + - clocks + +unevaluatedProperties: false + +examples: + - | + i2c@3a4400 { + compatible = "amlogic,a9-i2c"; + reg = <0x3a4400 0x3c>; + interrupts = <0 164 1>; + clocks = <&clkc_periphs 11>; + #address-cells = <1>; + #size-cells = <0>; + }; -- 2.52.0