Add the stm32 csi controller description.
Signed-off-by: Alain Volmat <alain.volmat@xxxxxxxxxxx>
---
v2:
- rename into st,stm32mp25-csi.yaml to match compatible
- correct port / data-lanes (remove useless lines &
use data-lanes 1 and 2 instead of 0 and 1)
- correct commit log
---
.../bindings/media/st,stm32mp25-csi.yaml | 125 +++++++++++++++++++++
1 file changed, 125 insertions(+)
diff --git a/Documentation/devicetree/bindings/media/st,stm32mp25-csi.yaml b/Documentation/devicetree/bindings/media/st,stm32mp25-csi.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..33bedfe419244e12dbb98b358821bbc39ea6facf
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/st,stm32mp25-csi.yaml
@@ -0,0 +1,125 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/st,stm32mp25-csi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: STMicroelectronics STM32 CSI controller
+
+description:
+ The STM32 CSI controller allows connecting a CSI based
+ camera to the DCMIPP camera pipeline.
+
+maintainers:
+ - Alain Volmat <alain.volmat@xxxxxxxxxxx>
+
+properties:
+ compatible:
+ enum:
+ - st,stm32mp25-csi
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 3
+
+ clock-names:
+ items:
+ - const: pclk
+ - const: txesc
+ - const: csi2phy
+
+ resets:
+ maxItems: 1
+
+ vdd-supply:
+ description: Digital core power supply (0.91V)
+
+ vdda18-supply:
+ description: System analog power supply (1.8V)
+
+ access-controllers:
+ minItems: 1
+ maxItems: 2
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ properties:
+ port@0:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description:
+ Input port node
+
+ properties:
+ endpoint:
+ $ref: video-interfaces.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ data-lanes:
+ minItems: 1
+ items:
+ - const: 1
+ - const: 2
+
+ required:
+ - data-lanes
+
+ port@1:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ Output port node
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+ - resets
+ - ports
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/st,stm32mp25-rcc.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/media/video-interfaces.h>
+ #include <dt-bindings/reset/st,stm32mp25-rcc.h>
+ csi@48020000 {
+ compatible = "st,stm32mp25-csi";
+ reg = <0x48020000 0x2000>;
+ interrupts = <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>;
+ resets = <&rcc CSI_R>;
+ clocks = <&rcc CK_KER_CSI>, <&rcc CK_KER_CSITXESC>, <&rcc CK_KER_CSIPHY>;
+ clock-names = "pclk", "txesc", "csi2phy";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@0 {
+ reg = <0>;
+ endpoint {
+ remote-endpoint = <&imx335_ep>;
+ data-lanes = <1 2>;
+ bus-type = <MEDIA_BUS_TYPE_CSI2_DPHY>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ endpoint {
+ remote-endpoint = <&dcmipp_0>;
+ };
+ };
+ };
+ };
+
+...
--
2.25.1
