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Date: Mon, 31 May 2021 13:23:24 +0200
From: Martin Kepplinger <martin.kepplinger@...i.sm>
To: martin.kepplinger@...i.sm, festevam@...il.com, krzk@...nel.org,
laurent.pinchart@...asonboard.com, mchehab@...nel.org,
robh@...nel.org
Cc: devicetree@...r.kernel.org, kernel@...gutronix.de, kernel@...i.sm,
linux-arm-kernel@...ts.infradead.org, linux-imx@....com,
linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
linux-staging@...ts.linux.dev, shawnguo@...nel.org,
slongerbeam@...il.com, phone-devel@...r.kernel.org
Subject: [PATCH v2 1/3] dt-bindings: media: document the nxp,imx8mq-mipi-csi2 receiver phy and controller
The i.MX8MQ SoC integrates a different MIPI CSI receiver as the i.MX8MM so
describe the DT bindings for it.
Signed-off-by: Martin Kepplinger <martin.kepplinger@...i.sm>
---
.../bindings/media/nxp,imx8mq-mipi-csi2.yaml | 162 ++++++++++++++++++
1 file changed, 162 insertions(+)
create mode 100644 Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml
diff --git a/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml b/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml
new file mode 100644
index 000000000000..4e3b17c220fc
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml
@@ -0,0 +1,162 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/nxp,imx8mq-mipi-csi2.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP and i.MX8MQ MIPI CSI-2 receiver
+
+maintainers:
+ - Martin Kepplinger <martin.kepplinger@...i.sm>
+
+description: |-
+ This binding covers the CSI-2 RX PHY and host controller included in the
+ NXP i.MX8MQ SoC. It handles the sensor/image input and process for all the
+ input imaging devices.
+
+properties:
+ compatible:
+ enum:
+ - fsl,imx8mq-mipi-csi2
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ minItems: 4
+
+ clock-names:
+ minItems: 4
+ items:
+ - const: core
+ - const: esc
+ - const: pxl
+ - const: clko2
+
+ assigned-clocks:
+ maxItems: 3
+
+ assigned-clock-rates:
+ maxItems: 3
+
+ assigned-clock-parents:
+ maxItems: 3
+
+ power-domains:
+ maxItems: 1
+
+ phy-reset:
+ description:
+ The phandle to the imx8mq reset-controller.
+ maxItems: 1
+
+ phy-gpr:
+ description:
+ The phandle to the imx8mq syscon iomux-gpr.
+ maxItems: 1
+
+ interconnects:
+ maxItems: 1
+
+ interconnect-names:
+ const: dram
+
+ 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 the CSI-2 transmitter.
+
+ properties:
+ endpoint:
+ $ref: video-interfaces.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ data-lanes:
+ items:
+ minItems: 1
+ maxItems: 4
+ items:
+ - const: 1
+ - const: 2
+ - const: 3
+ - const: 4
+
+ required:
+ - data-lanes
+
+ port@1:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ Output port node
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - assigned-clocks
+ - assigned-clock-rates
+ - assigned-clock-parents
+ - power-domains
+ - phy-reset
+ - phy-gpr
+ - ports
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/imx8mq-clock.h>
+ #include <dt-bindings/interconnect/imx8mq.h>
+
+ mipi_csi1@...70000 {
+ compatible = "fsl,imx8mq-mipi-csi2";
+ reg = <0x30a70000 0x1000>; /* MIPI CSI1 Controller base addr */
+ clocks = <&clk IMX8MQ_CLK_CSI1_CORE>,
+ <&clk IMX8MQ_CLK_CSI1_ESC>,
+ <&clk IMX8MQ_CLK_CSI1_PHY_REF>,
+ <&clk IMX8MQ_CLK_CLKO2>;
+ clock-names = "core", "esc", "pxl", "clko2";
+ assigned-clocks = <&clk IMX8MQ_CLK_CSI1_CORE>,
+ <&clk IMX8MQ_CLK_CSI1_PHY_REF>,
+ <&clk IMX8MQ_CLK_CSI1_ESC>;
+ assigned-clock-rates = <266000000>, <200000000>, <66000000>;
+ assigned-clock-parents = <&clk IMX8MQ_SYS1_PLL_266M>,
+ <&clk IMX8MQ_SYS2_PLL_1000M>,
+ <&clk IMX8MQ_SYS1_PLL_800M>;
+ power-domains = <&pgc_mipi_csi1>;
+ phy-reset = <&src>;
+ phy-gpr = <&iomuxc_gpr>;
+ interconnects = <&noc IMX8MQ_ICM_CSI1 &noc IMX8MQ_ICS_DRAM>;
+ interconnect-names = "dram";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ imx8mm_mipi_csi_in: endpoint {
+ remote-endpoint = <&imx477_out>;
+ data-lanes = <1 2 3 4>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ imx8mm_mipi_csi_out: endpoint {
+ remote-endpoint = <&csi_in>;
+ };
+ };
+ };
+ };
+
+...
--
2.30.2
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