[PATCH can-next 01/21] dt-bindings: can: rockchip_canfd: add binding for rockchip CAN-FD controller

From: Marc Kleine-Budde
Date: Mon Jul 29 2024 - 09:07:17 EST


Add the binding of the rockchip rk3568 CAN-FD controller to the device
tree bindings documentation.

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 ++++++++++++++++++++++
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..85f7ea68d8b9
--- /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
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 2
+
+ clock-names:
+ items:
+ - const: baudclk
+ - const: apb_pclk
+
+ resets:
+ maxItems: 2
+
+ reset-names:
+ items:
+ - const: can
+ - const: can-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 {
+ 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 = "baudclk", "apb_pclk";
+ resets = <&cru SRST_CAN0>, <&cru SRST_P_CAN0>;
+ reset-names = "can", "can-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