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Message-ID: <20230525083202.67933-2-jack.zhu@starfivetech.com>
Date: Thu, 25 May 2023 16:31:57 +0800
From: Jack Zhu <jack.zhu@...rfivetech.com>
To: Mauro Carvalho Chehab <mchehab@...nel.org>,
Robert Foss <rfoss@...nel.org>,
Todor Tomov <todor.too@...il.com>,
<bryan.odonoghue@...aro.org>, Rob Herring <robh+dt@...nel.org>,
"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Philipp Zabel <p.zabel@...gutronix.de>,
"Laurent Pinchart" <laurent.pinchart@...asonboard.com>,
Hans Verkuil <hverkuil-cisco@...all.nl>,
Eugen Hristev <eugen.hristev@...labora.com>,
Ezequiel Garcia <ezequiel@...guardiasur.com.ar>
CC: <linux-media@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<devicetree@...r.kernel.org>, <jack.zhu@...rfivetech.com>,
<changhuang.liang@...rfivetech.com>
Subject: [PATCH v6 1/6] media: dt-bindings: Add JH7110 Camera Subsystem
Add the bindings documentation for Starfive JH7110 Camera Subsystem
which is used for handing image sensor data.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Signed-off-by: Jack Zhu <jack.zhu@...rfivetech.com>
---
.../bindings/media/starfive,jh7110-camss.yaml | 180 ++++++++++++++++++
MAINTAINERS | 7 +
2 files changed, 187 insertions(+)
create mode 100644 Documentation/devicetree/bindings/media/starfive,jh7110-camss.yaml
diff --git a/Documentation/devicetree/bindings/media/starfive,jh7110-camss.yaml b/Documentation/devicetree/bindings/media/starfive,jh7110-camss.yaml
new file mode 100644
index 000000000000..c66586d90fa2
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/starfive,jh7110-camss.yaml
@@ -0,0 +1,180 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/starfive,jh7110-camss.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Starfive SoC CAMSS ISP
+
+maintainers:
+ - Jack Zhu <jack.zhu@...rfivetech.com>
+ - Changhuang Liang <changhuang.liang@...rfivetech.com>
+
+description:
+ The Starfive CAMSS ISP is a Camera interface for Starfive JH7110 SoC. It
+ consists of a VIN controller (Video In Controller, a top-level control unit)
+ and an ISP.
+
+properties:
+ compatible:
+ const: starfive,jh7110-camss
+
+ reg:
+ maxItems: 2
+
+ reg-names:
+ items:
+ - const: syscon
+ - const: isp
+
+ clocks:
+ maxItems: 7
+
+ clock-names:
+ items:
+ - const: apb_func
+ - const: wrapper_clk_c
+ - const: dvp_inv
+ - const: axiwr
+ - const: mipi_rx0_pxl
+ - const: ispcore_2x
+ - const: isp_axi
+
+ resets:
+ maxItems: 6
+
+ reset-names:
+ items:
+ - const: wrapper_p
+ - const: wrapper_c
+ - const: axird
+ - const: axiwr
+ - const: isp_top_n
+ - const: isp_top_axi
+
+ power-domains:
+ items:
+ - description: JH7110 ISP Power Domain Switch Controller.
+
+ interrupts:
+ maxItems: 4
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ properties:
+ port@0:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description: Input port for receiving DVP data.
+
+ properties:
+ endpoint:
+ $ref: video-interfaces.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ bus-type:
+ enum: [5, 6]
+
+ bus-width:
+ enum: [8, 10, 12]
+
+ data-shift:
+ enum: [0, 2]
+ default: 0
+
+ hsync-active:
+ enum: [0, 1]
+ default: 1
+
+ vsync-active:
+ enum: [0, 1]
+ default: 1
+
+ required:
+ - bus-type
+ - bus-width
+
+ port@1:
+ $ref: /schemas/graph.yaml#/properties/port
+ description: Input port for receiving CSI data.
+
+ required:
+ - port@0
+ - port@1
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - clocks
+ - clock-names
+ - resets
+ - reset-names
+ - power-domains
+ - interrupts
+ - ports
+
+additionalProperties: false
+
+examples:
+ - |
+ isp@...40000 {
+ compatible = "starfive,jh7110-camss";
+ reg = <0x19840000 0x10000>,
+ <0x19870000 0x30000>;
+ reg-names = "syscon", "isp";
+ clocks = <&ispcrg 0>,
+ <&ispcrg 13>,
+ <&ispcrg 2>,
+ <&ispcrg 12>,
+ <&ispcrg 1>,
+ <&syscrg 51>,
+ <&syscrg 52>;
+ clock-names = "apb_func",
+ "wrapper_clk_c",
+ "dvp_inv",
+ "axiwr",
+ "mipi_rx0_pxl",
+ "ispcore_2x",
+ "isp_axi";
+ resets = <&ispcrg 0>,
+ <&ispcrg 1>,
+ <&ispcrg 10>,
+ <&ispcrg 11>,
+ <&syscrg 41>,
+ <&syscrg 42>;
+ reset-names = "wrapper_p",
+ "wrapper_c",
+ "axird",
+ "axiwr",
+ "isp_top_n",
+ "isp_top_axi";
+ power-domains = <&pwrc 5>;
+ interrupts = <92>, <87>, <88>, <90>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@0 {
+ reg = <0>;
+ vin_from_sc2235: endpoint {
+ remote-endpoint = <&sc2235_to_vin>;
+ bus-type = <5>;
+ bus-width = <8>;
+ data-shift = <2>;
+ hsync-active = <1>;
+ vsync-active = <0>;
+ pclk-sample = <1>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ vin_from_csi2rx: endpoint {
+ remote-endpoint = <&csi2rx_to_vin>;
+ };
+ };
+ };
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index 869e1c7fc869..9ef5d0e5dff0 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -20070,6 +20070,13 @@ M: Ion Badulescu <ionut@...ula.org>
S: Odd Fixes
F: drivers/net/ethernet/adaptec/starfire*
+STARFIVE CAMERA SUBSYSTEM DRIVER
+M: Jack Zhu <jack.zhu@...rfivetech.com>
+M: Changhuang Liang <changhuang.liang@...rfivetech.com>
+L: linux-media@...r.kernel.org
+S: Maintained
+F: Documentation/devicetree/bindings/media/starfive,jh7110-camss.yaml
+
STARFIVE DEVICETREES
M: Emil Renner Berthing <kernel@...il.dk>
S: Maintained
--
2.34.1
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