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Message-Id: <20240903-c3isp-v1-1-8af0edcc13c8@amlogic.com>
Date: Tue, 03 Sep 2024 14:57:05 +0800
From: Keke Li via B4 Relay <devnull+keke.li.amlogic.com@...nel.org>
To: Mauro Carvalho Chehab <mchehab@...nel.org>,
Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>
Cc: linux-media@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, kieran.bingham@...asonboard.com,
laurent.pinchart@...asonboard.com, dan.scally@...asonboard.com,
Keke Li <keke.li@...ogic.com>
Subject: [PATCH 1/9] dt-bindings: media: Add amlogic,c3-mipi-csi2.yaml
From: Keke Li <keke.li@...ogic.com>
c3-mipi-csi2 is used to receive mipi data
from image sensor.
Signed-off-by: Keke Li <keke.li@...ogic.com>
---
.../bindings/media/amlogic,c3-mipi-csi2.yaml | 130 +++++++++++++++++++++
1 file changed, 130 insertions(+)
diff --git a/Documentation/devicetree/bindings/media/amlogic,c3-mipi-csi2.yaml b/Documentation/devicetree/bindings/media/amlogic,c3-mipi-csi2.yaml
new file mode 100644
index 000000000000..85d3088d6f9f
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/amlogic,c3-mipi-csi2.yaml
@@ -0,0 +1,130 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/amlogic,c3-mipi-csi2.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Amlogic C3 MIPI CSI-2 receiver
+
+maintainers:
+ - Keke Li <keke.li@...ogic.com>
+
+description: |-
+ MIPI CSI-2 receiver contains CSI-2 RX PHY and host controller.
+ It receives the MIPI data from the image sensor and sends MIPI data
+ to MIPI adapter.
+
+properties:
+ compatible:
+ enum:
+ - amlogic,c3-mipi-csi2
+
+ reg:
+ minItems: 3
+ maxItems: 3
+
+ reg-names:
+ items:
+ - const: csi_aphy
+ - const: csi_dphy
+ - const: csi_host
+
+ power-domains:
+ maxItems: 1
+
+ clocks:
+ minItems: 2
+
+ clock-names:
+ items:
+ - const: vapb
+ - const: csi_phy0
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ properties:
+ port@0:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description: input port node, connected to sensor.
+
+ properties:
+ endpoint:
+ $ref: video-interfaces.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ data-lanes:
+ minItems: 1
+ maxItems: 4
+
+ required:
+ - data-lanes
+
+ port@1:
+ $ref: /schemas/graph.yaml#/properties/port
+ description: output port node
+
+ required:
+ - port@0
+ - port@1
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - power-domains
+ - clocks
+ - clock-names
+ - ports
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/amlogic,c3-peripherals-clkc.h>
+ #include <dt-bindings/power/amlogic,c3-pwrc.h>
+
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ csi: csi@...18000 {
+ compatible = "amlogic,c3-mipi-csi2";
+
+ reg = <0x0 0xff018000 0x0 0x400>,
+ <0x0 0xff019000 0x0 0x300>,
+ <0x0 0xff01a000 0x0 0x100>;
+
+ reg-names = "csi_aphy", "csi_dphy", "csi_host";
+
+ power-domains = <&pwrc PWRC_C3_MIPI_ISP_WRAP_ID>;
+
+ clocks = <&clkc_periphs CLKID_VAPB>,
+ <&clkc_periphs CLKID_CSI_PHY0>;
+
+ clock-names = "vapb", "csi_phy0";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ c3_mipi_csi_in: endpoint {
+ remote-endpoint = <&imx290_out>;
+ data-lanes = <1 2 3 4>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ c3_mipi_csi_out: endpoint {
+ remote-endpoint = <&c3_adap_in>;
+ };
+ };
+ };
+ };
+ };
+...
--
2.45.2
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