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charset=us-ascii Content-Disposition: inline In-Reply-To: <20250922071543.73923-2-zhangqing@rock-chips.com> X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Sep 22, 2025 at 03:15:40PM +0800, Elaine Zhang wrote: > Add documentation for the rockchip rk3576 CAN-FD controller. > > Signed-off-by: Elaine Zhang > --- > .../net/can/rockchip,rk3568v2-canfd.yaml | 47 +++++++++++++++++-- > 1 file changed, 44 insertions(+), 3 deletions(-) > > diff --git a/Documentation/devicetree/bindings/net/can/rockchip,rk3568v2-canfd.yaml b/Documentation/devicetree/bindings/net/can/rockchip,rk3568v2-canfd.yaml > index a077c0330013..74b1a502f0b7 100644 > --- a/Documentation/devicetree/bindings/net/can/rockchip,rk3568v2-canfd.yaml > +++ b/Documentation/devicetree/bindings/net/can/rockchip,rk3568v2-canfd.yaml > @@ -10,13 +10,11 @@ title: > maintainers: > - Marc Kleine-Budde > > -allOf: > - - $ref: can-controller.yaml# > - > properties: > compatible: > oneOf: > - const: rockchip,rk3568v2-canfd > + - const: rockchip,rk3576-canfd Combine these 2 into an enum. > - items: > - const: rockchip,rk3568v3-canfd > - const: rockchip,rk3568v2-canfd > @@ -43,6 +41,31 @@ properties: > - const: core > - const: apb > > + dmas: > + maxItems: 1 > + > + dma-names: > + items: > + - const: rx > + > +allOf: > + - $ref: can-controller.yaml# > + - if: > + properties: > + compatible: > + contains: > + const: rockchip,rk3576-canfd > + required: > + - compatible > + then: > + required: > + - dmas > + - dma-names > + else: > + properties: > + dmas: false > + dma-names: false > + > required: > - compatible > - reg > @@ -72,3 +95,21 @@ examples: > reset-names = "core", "apb"; > }; > }; > + > + - | > + soc { > + #address-cells = <2>; > + #size-cells = <2>; > + > + can@2ac00000 { > + compatible = "rockchip,rk3576-canfd"; > + reg = <0x0 0x2ac00000 0x0 0x1000>; > + interrupts = ; > + clocks = <&cru CLK_CAN0>, <&cru PCLK_CAN0>; > + clock-names = "baud", "pclk"; > + resets = <&cru SRST_CAN0>, <&cru SRST_P_CAN0>; > + reset-names = "core", "apb"; > + dmas = <&dmac0 20>; > + dma-names = "rx"; > + }; > + }; > -- > 2.34.1 >