On Wed, Jul 31, 2024 at 11:37:03AM +0200, Marc Kleine-Budde wrote: > Add documentation for the rockchip rk3568 CAN-FD controller. > > Co-developed-by: Elaine Zhang <zhangqing@xxxxxxxxxxxxxx> > Signed-off-by: Elaine Zhang <zhangqing@xxxxxxxxxxxxxx> > Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> > --- > .../bindings/net/can/rockchip,canfd.yaml | 76 ++++++++++++++++++++++ rockchip,rk3568-canfd.yaml > MAINTAINERS | 7 ++ > 2 files changed, 83 insertions(+) > > diff --git a/Documentation/devicetree/bindings/net/can/rockchip,canfd.yaml b/Documentation/devicetree/bindings/net/can/rockchip,canfd.yaml > new file mode 100644 > index 000000000000..444269f630f4 > --- /dev/null > +++ b/Documentation/devicetree/bindings/net/can/rockchip,canfd.yaml > @@ -0,0 +1,76 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/net/can/rockchip,canfd.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: > + Rockchip CAN-FD controller > + > +maintainers: > + - Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> > + > +allOf: > + - $ref: can-controller.yaml# > + > +properties: > + compatible: > + oneOf: > + - const: rockchip,rk3568-canfd > + - items: > + - enum: > + - rockchip,rk3568v2-canfd > + - rockchip,rk3568v3-canfd > + - const: rockchip,rk3568-canfd Given you already know there are differences in the versions to handle and there's no existing driver supporting the fallback, I don't know that a fallback is too useful here. > + > + reg: > + maxItems: 1 > + > + interrupts: > + maxItems: 1 > + > + clocks: > + maxItems: 2 > + > + clock-names: > + items: > + - const: baud > + - const: pclk > + > + resets: > + maxItems: 2 > + > + reset-names: > + items: > + - const: core > + - const: apb > + > +required: > + - compatible > + - reg > + - interrupts > + - clocks > + - resets > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/clock/rk3568-cru.h> > + #include <dt-bindings/interrupt-controller/arm-gic.h> > + #include <dt-bindings/interrupt-controller/irq.h> > + > + soc { > + #address-cells = <2>; > + #size-cells = <2>; > + > + can0: can@fe570000 { Drop unused labels. > + compatible = "rockchip,rk3568-canfd"; > + reg = <0x0 0xfe570000 0x0 0x1000>; > + interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&cru CLK_CAN0>, <&cru PCLK_CAN0>; > + clock-names = "baud", "pclk"; > + resets = <&cru SRST_CAN0>, <&cru SRST_P_CAN0>; > + reset-names = "core", "apb"; > + }; > + }; > diff --git a/MAINTAINERS b/MAINTAINERS > index c0a3d9e93689..d225dc39bd89 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -19694,6 +19694,13 @@ F: Documentation/ABI/*/sysfs-driver-hid-roccat* > F: drivers/hid/hid-roccat* > F: include/linux/hid-roccat* > > +ROCKCHIP CAN-FD DRIVER > +M: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> > +R: kernel@xxxxxxxxxxxxxx > +L: linux-can@xxxxxxxxxxxxxxx > +S: Maintained > +F: Documentation/devicetree/bindings/net/can/rockchip,canfd.yaml > + > ROCKCHIP CRYPTO DRIVERS > M: Corentin Labbe <clabbe@xxxxxxxxxxxx> > L: linux-crypto@xxxxxxxxxxxxxxx > > -- > 2.43.0 > >
