| 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: <20211207012351.15754-2-prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: Tue, 7 Dec 2021 01:23:49 +0000
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
To: Mauro Carvalho Chehab <mchehab@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Hans Verkuil <hverkuil-cisco@...all.nl>,
Niklas Söderlund
<niklas.soderlund+renesas@...natech.se>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
Sakari Ailus <sakari.ailus@...ux.intel.com>,
Philipp Zabel <p.zabel@...gutronix.de>
Cc: linux-media@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
Prabhakar <prabhakar.csengg@...il.com>,
Biju Das <biju.das.jz@...renesas.com>,
Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [RFC PATCH 1/3] media: dt-bindings: media: Document RZ/G2L CRU block
Document the CRU block found on Renesas RZ/G2L SoC's.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
---
.../bindings/media/renesas,rzg2l-cru.yaml | 227 ++++++++++++++++++
1 file changed, 227 insertions(+)
create mode 100644 Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml
diff --git a/Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml b/Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml
new file mode 100644
index 000000000000..7b2835810516
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/renesas,rzg2l-cru.yaml
@@ -0,0 +1,227 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright (C) 2021 Renesas Electronics Corp.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/renesas,rzg2l-cru.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas RZ/G2L Camera Data Receiving Unit (CRU)
+
+maintainers:
+ - Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
+
+description:
+ The RZ/G2L Camera Data Receiving Unit (CRU) device provides video input
+ capabilities for the Renesas RZ/G2L family of devices.
+
+ Depending on the instance the Image Processing input is connected to
+ external SoC pins or to a CSI-2 receiver.
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - enum:
+ - renesas,r9a07g044-cru # RZ/G2{L,LC}
+ - const: renesas,rzg2l-cru
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 4
+
+ interrupt-names:
+ items:
+ - const: csi2_link_int
+ - const: image_conv_int
+ - const: image_conv_err_int
+ - const: axi_mst_err_int
+
+ clocks:
+ items:
+ - description: Internal clock for connecting CRU and MIPI
+ - description: CRU Main clock
+ - description: CPU Register access clock
+ - description: CRU image transfer clock
+
+ clock-names:
+ items:
+ - const: sysclk
+ - const: vclk
+ - const: pclk
+ - const: aclk
+
+ power-domains:
+ maxItems: 1
+
+ resets:
+ items:
+ - description: CRU_CMN_RSTB reset terminal
+ - description: CRU_PRESETN reset terminal
+ - description: CRU_ARESETN reset terminal
+
+ reset-names:
+ items:
+ - const: cmn-rstb
+ - const: presetn
+ - const: aresetn
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ properties:
+ port@0:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description:
+ Input port node, single endpoint describing a parallel input source.
+
+ properties:
+ endpoint:
+ $ref: video-interfaces.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ hsync-active: true
+
+ vsync-active: true
+
+ bus-width: true
+
+ data-shift: true
+
+ port@1:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description:
+ Input port node, single endpoint describing the CSI-2 transmitter.
+
+ properties:
+ endpoint:
+ $ref: video-interfaces.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ clock-lanes:
+ maxItems: 1
+
+ data-lanes:
+ maxItems: 1
+
+ required:
+ - clock-lanes
+ - data-lanes
+
+ port@2:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ Output port node, describing the RZ/G2L Image Processing module
+ connected the CSI-2 receiver
+
+ properties:
+ endpoint@0:
+ $ref: /schemas/graph.yaml#/properties/endpoint
+ description: Endpoint connected to CSI2.
+
+ anyOf:
+ - required:
+ - endpoint@0
+
+ port@3:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ Input port node, describing the RZ/G2L CSI-2 module connected the
+ Image Processing block.
+
+ properties:
+ endpoint@0:
+ $ref: /schemas/graph.yaml#/properties/endpoint
+ description: Endpoint connected to CSI2.
+
+ anyOf:
+ - required:
+ - endpoint@0
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - interrupt-names
+ - clocks
+ - clock-names
+ - resets
+ - reset-names
+ - power-domains
+
+additionalProperties: false
+
+examples:
+ # Device node example with CSI-2
+ - |
+ #include <dt-bindings/clock/r9a07g044-cpg.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ cru: video@...30000 {
+ compatible = "renesas,r9a07g044-cru", "renesas,rzg2l-cru";
+ reg = <0x10830000 0x10000>;
+ interrupts = <GIC_SPI 166 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "csi2_link_int", "image_conv_int",
+ "image_conv_err_int", "axi_mst_err_int";
+ clocks = <&cpg CPG_MOD R9A07G044_CRU_SYSCLK>,
+ <&cpg CPG_MOD R9A07G044_CRU_VCLK>,
+ <&cpg CPG_MOD R9A07G044_CRU_PCLK>,
+ <&cpg CPG_MOD R9A07G044_CRU_ACLK>;
+ clock-names = "sysclk", "vclk", "pclk", "aclk";
+ power-domains = <&cpg>;
+ resets = <&cpg R9A07G044_CRU_CMN_RSTB>,
+ <&cpg R9A07G044_CRU_PRESETN>,
+ <&cpg R9A07G044_CRU_ARESETN>;
+ reset-names = "cmn-rstb", "presetn", "aresetn";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ reg = <1>;
+
+ csi2_in: endpoint@0 {
+ reg = <0>;
+ clock-lanes = <0>;
+ data-lanes = <1 2>;
+ remote-endpoint = <&ov5645_ep>;
+ };
+ };
+
+ port@2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ reg = <2>;
+
+ csi2cru: endpoint@0 {
+ reg = <0>;
+ remote-endpoint= <&crucsi2>;
+ };
+ };
+
+ port@3 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ reg = <3>;
+
+ crucsi2: endpoint@0 {
+ reg = <0>;
+ remote-endpoint= <&csi2cru>;
+ };
+ };
+ };
+ };
--
2.17.1
Powered by blists - more mailing lists