linux-kernel - [PATCH v8 1/3] media: dt-bindings: media: add bindings for Rockchip VIP

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Message-ID: <e4661737c6a33881ae2e2b2c3a5694fc758f35d4.1697446303.git.mehdi.djait@bootlin.com>
Date:   Mon, 16 Oct 2023 11:00:03 +0200
From:   Mehdi Djait <mehdi.djait@...tlin.com>
To:     mchehab@...nel.org, heiko@...ech.de, hverkuil-cisco@...all.nl,
        krzysztof.kozlowski+dt@...aro.org, robh+dt@...nel.org,
        conor+dt@...nel.org, ezequiel@...guardiasur.com.ar
Cc:     linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, thomas.petazzoni@...tlin.com,
        alexandre.belloni@...tlin.com, maxime.chevallier@...tlin.com,
        paul.kocialkowski@...tlin.com,
        Mehdi Djait <mehdi.djait@...tlin.com>,
        Rob Herring <robh@...nel.org>
Subject: [PATCH v8 1/3] media: dt-bindings: media: add bindings for Rockchip VIP

Add a documentation for the Rockchip Video Input Processor
binding.

The PX30 SoC is the only platform supported so far.

Reviewed-by: Rob Herring <robh@...nel.org>
Signed-off-by: Mehdi Djait <mehdi.djait@...tlin.com>
---
 .../bindings/media/rockchip,px30-vip.yaml     | 93 +++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/rockchip,px30-vip.yaml

diff --git a/Documentation/devicetree/bindings/media/rockchip,px30-vip.yaml b/Documentation/devicetree/bindings/media/rockchip,px30-vip.yaml
new file mode 100644
index 000000000000..41f0cd58372d
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/rockchip,px30-vip.yaml
@@ -0,0 +1,93 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/rockchip,px30-vip.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip VIP Camera Interface
+
+maintainers:
+  - Mehdi Djait <mehdi.djait@...tlin.com>
+
+description: |-
+  Rockchip VIP is the Video Input Processor of the rockchip PX30 SoC. It
+  receives the data from Camera sensor or CCIR656 encoder and transfers it into
+  system main memory by AXI bus.
+
+properties:
+  compatible:
+    const: rockchip,px30-vip
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: ACLK
+      - description: HCLK
+      - description: PCLK
+
+  clock-names:
+    items:
+      - const: aclk
+      - const: hclk
+      - const: pclk
+
+  resets:
+    items:
+      - description: AXI
+      - description: AHB
+      - description: PCLK IN
+
+  reset-names:
+    items:
+      - const: axi
+      - const: ahb
+      - const: pclkin
+
+  power-domains:
+    maxItems: 1
+
+  port:
+    $ref: /schemas/graph.yaml#/properties/port
+    description: A connection to a sensor or decoder
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - port
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/px30-cru.h>
+    #include <dt-bindings/power/px30-power.h>
+
+    parent {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        vip@...90000 {
+            compatible = "rockchip,px30-vip";
+            reg = <0x0 0xff490000 0x0 0x200>;
+            interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
+            clocks = <&cru ACLK_CIF>, <&cru HCLK_CIF>, <&cru PCLK_CIF>;
+            clock-names = "aclk", "hclk", "pclk";
+            resets = <&cru SRST_CIF_A>, <&cru SRST_CIF_H>, <&cru SRST_CIF_PCLKIN>;
+            reset-names = "axi", "ahb", "pclkin";
+            power-domains = <&power PX30_PD_VI>;
+            port {
+                endpoint {
+                    remote-endpoint = <&tw9900_out>;
+                };
+            };
+        };
+    };
+...
-- 
2.41.0