On Mon, May 26, 2025 at 02:25:56PM +0800, Elaine Zhang wrote:
quoted hunk ↗ jump to hunk
Add documentation for the rockchip rk3576 CAN-FD controller.
Signed-off-by: Elaine Zhang <redacted>
---
.../net/can/rockchip,rk3568v2-canfd.yaml | 41 +++++++++++++++++++
1 file changed, 41 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/can/rockchip,rk3568v2-canfd.yaml b/Documentation/devicetree/bindings/net/can/rockchip,rk3568v2-canfd.yaml
index a077c0330013..c6595fef6cb5 100644
--- a/Documentation/devicetree/bindings/net/can/rockchip,rk3568v2-canfd.yaml
+++ b/Documentation/devicetree/bindings/net/can/rockchip,rk3568v2-canfd.yaml
@@ -12,11 +12,27 @@ maintainers:
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
Once the allOf contains more than just an include it should be moved
down below the properties that it is constraining. Otherwise, I think
this looks fine.
quoted hunk ↗ jump to hunk
properties:
compatible:
oneOf:
- const: rockchip,rk3568v2-canfd
+ - const: rockchip,rk3576-canfd
- items:
- const: rockchip,rk3568v3-canfd
- const: rockchip,rk3568v2-canfd@@ -43,6 +59,13 @@ properties:
- const: core
- const: apb
+ dmas:
+ maxItems: 1
+
+ dma-names:
+ items:
+ - const: rx
+
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 = <GIC_SPI 121 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";
+ dmas = <&dmac0 20>;
+ dma-names = "rx";
+ };
+ };--
2.34.1