| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <a0af1d30e79fb1f2567297c951781996836d6db6.1700132457.git.mehdi.djait@bootlin.com>
Date: Thu, 16 Nov 2023 12:04:38 +0100
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
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, michael.riesch@...fvision.net,
Mehdi Djait <mehdi.djait@...tlin.com>
Subject: [PATCH v11 1/3] media: dt-bindings: media: add bindings for Rockchip CIF
Add a documentation for the Rockchip Camera Interface binding.
Signed-off-by: Mehdi Djait <mehdi.djait@...tlin.com>
---
.../bindings/media/rockchip,px30-vip.yaml | 173 ++++++++++++++++++
1 file changed, 173 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..580ed654000c
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/rockchip,px30-vip.yaml
@@ -0,0 +1,173 @@
+# 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 CIF Camera Interface
+
+maintainers:
+ - Mehdi Djait <mehdi.djait@...tlin.com>
+
+description:
+ CIF is a camera interface present on some rockchip SoCs. 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
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ properties:
+ port@0:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description: input port on the parallel interface
+
+ properties:
+ endpoint:
+ $ref: video-interfaces.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ bus-type:
+ enum: [5, 6]
+
+ required:
+ - bus-type
+
+ required:
+ - port@0
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - ports
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/px30-cru.h>
+ #include <dt-bindings/display/sdtv-standards.h>
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/media/video-interfaces.h>
+ #include <dt-bindings/power/px30-power.h>
+
+ parent {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ video-capture@...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>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ cif_in: endpoint {
+ remote-endpoint = <&tw9900_out>;
+ bus-type = <MEDIA_BUS_TYPE_BT656>;
+ };
+ };
+ };
+ };
+
+ composite_connector {
+ compatible = "composite-video-connector";
+ label = "tv";
+ sdtv-standards = <(SDTV_STD_PAL | SDTV_STD_NTSC)>;
+
+ port {
+ composite_to_tw9900: endpoint {
+ remote-endpoint = <&tw9900_to_composite>;
+ };
+ };
+ };
+
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ video-decoder@44 {
+ compatible = "techwell,tw9900";
+ reg = <0x44>;
+
+ vdd-supply = <&tw9900_supply>;
+ reset-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ reg = <0>;
+ tw9900_to_composite: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&composite_to_tw9900>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ tw9900_out: endpoint {
+ remote-endpoint = <&cif_in>;
+ };
+ };
+ };
+ };
+ };
+ };
+...
--
2.41.0
Powered by blists - more mailing lists