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Message-Id: <20241217-v6-8-topic-rk3568-vicap-v2-3-b1d488fcc0d3@wolfvision.net>
Date: Tue, 17 Dec 2024 16:55:15 +0100
From: Michael Riesch <michael.riesch@...fvision.net>
To: Mehdi Djait <mehdi.djait@...ux.intel.com>,
Maxime Chevallier <maxime.chevallier@...tlin.com>,
Théo Lebrun <theo.lebrun@...tlin.com>,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Rob Herring <robh+dt@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>,
Kever Yang <kever.yang@...k-chips.com>,
Nicolas Dufresne <nicolas@...fresne.ca>,
Sebastian Fricke <sebastian.fricke@...labora.com>,
Alexander Shiyan <eagle.alexander923@...il.com>,
Val Packett <val@...kett.cool>, Rob Herring <robh@...nel.org>,
Philipp Zabel <p.zabel@...gutronix.de>,
Sakari Ailus <sakari.ailus@...ux.intel.com>
Cc: linux-media@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org,
Michael Riesch <michael.riesch@...fvision.net>
Subject: [PATCH v2 3/6] media: dt-bindings: media: add bindings for
rockchip rk3568 vicap
Add documentation for the Rockchip RK3568 Video Capture (VICAP) unit.
Signed-off-by: Michael Riesch <michael.riesch@...fvision.net>
---
.../bindings/media/rockchip,rk3568-vicap.yaml | 168 +++++++++++++++++++++
MAINTAINERS | 1 +
2 files changed, 169 insertions(+)
diff --git a/Documentation/devicetree/bindings/media/rockchip,rk3568-vicap.yaml b/Documentation/devicetree/bindings/media/rockchip,rk3568-vicap.yaml
new file mode 100644
index 000000000000..ef7b14ca6879
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/rockchip,rk3568-vicap.yaml
@@ -0,0 +1,168 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/rockchip,rk3568-vicap.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip RK3568 Video Capture (VICAP)
+
+maintainers:
+ - Michael Riesch <michael.riesch@...fvision.net>
+
+description:
+ The Rockchip RK3568 Video Capture (VICAP) block features a digital video
+ port (DVP, a parallel video interface) and a MIPI CSI-2 port. It receives
+ the data from camera sensors, video decoders, or other companion ICs and
+ transfers it into system main memory by AXI bus.
+
+properties:
+ compatible:
+ const: rockchip,rk3568-vicap
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: ACLK
+ - description: HCLK
+ - description: DCLK
+ - description: ICLK
+
+ clock-names:
+ items:
+ - const: aclk
+ - const: hclk
+ - const: dclk
+ - const: iclk
+
+ rockchip,cif-clk-delaynum:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 127
+ description:
+ Delay the DVP path clock input to align the sampling phase, only valid
+ in dual edge sampling mode.
+
+ iommus:
+ maxItems: 1
+
+ resets:
+ items:
+ - description: ARST
+ - description: HRST
+ - description: DRST
+ - description: PRST
+ - description: IRST
+
+ reset-names:
+ items:
+ - const: arst
+ - const: hrst
+ - const: drst
+ - const: prst
+ - const: irst
+
+ rockchip,grf:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description:
+ Phandle to general register file used for video input block control.
+
+ 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:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - ports
+
+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>
+ #include <dt-bindings/power/rk3568-power.h>
+ #include <dt-bindings/media/video-interfaces.h>
+
+ parent {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ vicap: video-capture@...e0000 {
+ compatible = "rockchip,rk3568-vicap";
+ reg = <0x0 0xfdfe0000 0x0 0x200>;
+ interrupts = <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>;
+ assigned-clocks = <&cru DCLK_VICAP>;
+ assigned-clock-rates = <300000000>;
+ clocks = <&cru ACLK_VICAP>, <&cru HCLK_VICAP>,
+ <&cru DCLK_VICAP>, <&cru ICLK_VICAP_G>;
+ clock-names = "aclk", "hclk", "dclk", "iclk";
+ iommus = <&vicap_mmu>;
+ power-domains = <&power RK3568_PD_VI>;
+ resets = <&cru SRST_A_VICAP>, <&cru SRST_H_VICAP>,
+ <&cru SRST_D_VICAP>, <&cru SRST_P_VICAP>,
+ <&cru SRST_I_VICAP>;
+ reset-names = "arst", "hrst", "drst", "prst", "irst";
+ rockchip,grf = <&grf>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ vicap_dvp: port@0 {
+ reg = <0>;
+
+ vicap_dvp_input: endpoint {
+ bus-type = <MEDIA_BUS_TYPE_BT656>;
+ bus-width = <16>;
+ pclk-sample = <MEDIA_PCLK_SAMPLE_DUAL_EDGE>;
+ remote-endpoint = <&it6801_output>;
+ };
+ };
+
+ vicap_mipi: port@1 {
+ reg = <1>;
+ };
+ };
+ };
+
+ vicap_mmu: iommu@...e0800 {
+ compatible = "rockchip,rk3568-iommu";
+ reg = <0x0 0xfdfe0800 0x0 0x100>;
+ interrupts = <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cru ACLK_VICAP>, <&cru HCLK_VICAP>;
+ clock-names = "aclk", "iface";
+ #iommu-cells = <0>;
+ power-domains = <&power RK3568_PD_VI>;
+ rockchip,disable-mmu-reset;
+ };
+ };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 1138c8858bc7..8dbeb2927a08 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -20223,6 +20223,7 @@ M: Michael Riesch <michael.riesch@...fvision.net>
L: linux-media@...r.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/media/rockchip,px30-vip.yaml
+F: Documentation/devicetree/bindings/media/rockchip,rk3568-vicap.yaml
ROCKCHIP CRYPTO DRIVERS
M: Corentin Labbe <clabbe@...libre.com>
--
2.34.1
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