linux-kernel - [PATCH can-next v5 01/20] dt-bindings: can: rockchip

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Message-Id: <20240904-rockchip-canfd-v5-1-8ae22bcb27cc@pengutronix.de>
Date: Wed, 04 Sep 2024 10:12:45 +0200
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: kernel@...gutronix.de, Alibek Omarov <a1ba.omarov@...il.com>, 
 Vincent Mailhol <mailhol.vincent@...adoo.fr>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>, 
 Philipp Zabel <p.zabel@...gutronix.de>, 
 Elaine Zhang <zhangqing@...k-chips.com>, 
 David Jander <david.jander@...tonic.nl>
Cc: Simon Horman <horms@...nel.org>, linux-can@...r.kernel.org, 
 netdev@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org, 
 linux-kernel@...r.kernel.org, Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [PATCH can-next v5 01/20] dt-bindings: can: rockchip_canfd: add
 rockchip CAN-FD controller

Add documentation for the rockchip rk3568 CAN-FD controller.

Co-developed-by: Elaine Zhang <zhangqing@...k-chips.com>
Signed-off-by: Elaine Zhang <zhangqing@...k-chips.com>
Tested-by: Alibek Omarov <a1ba.omarov@...il.com>
Reviewed-by: Rob Herring (Arm) <robh@...nel.org>
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
---
 .../bindings/net/can/rockchip,rk3568v2-canfd.yaml  | 74 ++++++++++++++++++++++
 MAINTAINERS                                        |  7 ++
 2 files changed, 81 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/can/rockchip,rk3568v2-canfd.yaml b/Documentation/devicetree/bindings/net/can/rockchip,rk3568v2-canfd.yaml
new file mode 100644
index 000000000000..a077c0330013
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/can/rockchip,rk3568v2-canfd.yaml
@@ -0,0 +1,74 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/can/rockchip,rk3568v2-canfd.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title:
+  Rockchip CAN-FD controller
+
+maintainers:
+  - Marc Kleine-Budde <mkl@...gutronix.de>
+
+allOf:
+  - $ref: can-controller.yaml#
+
+properties:
+  compatible:
+    oneOf:
+      - const: rockchip,rk3568v2-canfd
+      - items:
+          - const: rockchip,rk3568v3-canfd
+          - const: rockchip,rk3568v2-canfd
+
+  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>;
+
+        can@...70000 {
+            compatible = "rockchip,rk3568v2-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 baf88e74c907..aa0e023955cf 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -19730,6 +19730,13 @@ 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@...gutronix.de>
+R:	kernel@...gutronix.de
+L:	linux-can@...r.kernel.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/net/can/rockchip,rk3568v2-canfd.yaml
+
 ROCKCHIP CRYPTO DRIVERS
 M:	Corentin Labbe <clabbe@...libre.com>
 L:	linux-crypto@...r.kernel.org

-- 
2.45.2