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(unknown [58.22.7.114]) by smtp.qiye.163.com (Hmail) with ESMTP id 279245efa; Wed, 29 Oct 2025 11:23:06 +0800 (GMT+08:00) From: Elaine Zhang To: zhangqing@rock-chips.com, mkl@pengutronix.de, kernel@pengutronix.de, mailhol.vincent@wanadoo.fr, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, heiko@sntech.de, cl@rock-chips.com Cc: linux-can@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v8 1/4] dt-bindings: can: rockchip_canfd: add rk3576 CAN controller Date: Wed, 29 Oct 2025 11:22:59 +0800 Message-Id: <20251029032302.1238973-2-zhangqing@rock-chips.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251029032302.1238973-1-zhangqing@rock-chips.com> References: <20251029032302.1238973-1-zhangqing@rock-chips.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-HM-Tid: 0a9a2dfd9bdf03a3kunm7a63a81221fae0 X-HM-MType: 1 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFDSUNOT01LS0k3V1ktWUFJV1kPCRoVCBIfWUFZQx1OGlYYSE0fTklDGB0aGExWFRQJFh oXVRMBExYaEhckFA4PWVdZGBILWUFZTkNVSUlVTFVKSk9ZV1kWGg8SFR0UWUFZT0tIVUpLSU9PT0 hVSktLVUpCS0tZBg++ DKIM-Signature: a=rsa-sha256; b=HMj0gdizPja9VnGatBWPlspiQNLedvlyC/fenVNzSjLnZbfsrkmcZiHQRRR1FPlS5hsgqpMeP6S9pVkKULBgCLvkTfnt07Jft2JkLUWBDtiQyK4FNYBawo4SlDws5Vg+Kts0/mpElNQ4iFq+j8HoWIl2FRVw9bhKiZ10RJbJAlE=; c=relaxed/relaxed; s=default; d=rock-chips.com; v=1; bh=qBF8NQ+gz/Co43k3lCfeYj4HVeTRzJ0rhrStOL7jBNs=; h=date:mime-version:subject:message-id:from; Content-Type: text/plain; charset="utf-8" Add documentation for the rockchip rk3576 CAN controller. Signed-off-by: Elaine Zhang --- .../net/can/rockchip,rk3568v2-canfd.yaml | 52 +++++++++++++++++-- 1 file changed, 48 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/net/can/rockchip,rk3568v2-ca= nfd.yaml b/Documentation/devicetree/bindings/net/can/rockchip,rk3568v2-canf= d.yaml index a077c0330013..30782218728e 100644 --- a/Documentation/devicetree/bindings/net/can/rockchip,rk3568v2-canfd.yaml +++ b/Documentation/devicetree/bindings/net/can/rockchip,rk3568v2-canfd.yaml @@ -10,13 +10,12 @@ title: maintainers: - Marc Kleine-Budde =20 -allOf: - - $ref: can-controller.yaml# - properties: compatible: oneOf: - - const: rockchip,rk3568v2-canfd + - enum: + - rockchip,rk3568v2-canfd + - rockchip,rk3576-can - items: - const: rockchip,rk3568v3-canfd - const: rockchip,rk3568v2-canfd @@ -43,6 +42,33 @@ properties: - const: core - const: apb =20 + dmas: + maxItems: 1 + + dma-names: + items: + - const: rx + +allOf: + - $ref: can-controller.yaml# + - if: + properties: + compatible: + contains: + const: rockchip,rk3576-can + then: + properties: + dmas: + minItems: 1 + maxItems: 2 + dma-names: + minItems: 1 + maxItems: 2 + else: + properties: + dmas: false + dma-names: false + required: - compatible - reg @@ -72,3 +98,21 @@ examples: reset-names =3D "core", "apb"; }; }; + + - | + soc { + #address-cells =3D <2>; + #size-cells =3D <2>; + + can@2ac00000 { + compatible =3D "rockchip,rk3576-can"; + reg =3D <0x0 0x2ac00000 0x0 0x1000>; + interrupts =3D ; + clocks =3D <&cru CLK_CAN0>, <&cru PCLK_CAN0>; + clock-names =3D "baud", "pclk"; + resets =3D <&cru SRST_CAN0>, <&cru SRST_P_CAN0>; + reset-names =3D "core", "apb"; + dmas =3D <&dmac0 20>; + dma-names =3D "rx"; + }; + }; --=20 2.34.1