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Message-ID: <3c5a55cc5873e8d16bd25c5968a0d8b36e180325.1766123192.git.alex.t.tran@gmail.com>
Date: Sat, 20 Dec 2025 14:03:25 -0800
From: Alex Tran <alex.t.tran@...il.com>
To: mchehab@...nel.org,
robh@...nel.org,
krzk+dt@...nel.org,
conor+dt@...nel.org
Cc: pavel@...nel.org,
sakari.ailus@...ux.intel.com,
mehdi.djait@...ux.intel.com,
alex.t.tran@...il.com,
laurent.pinchart@...asonboard.com,
hverkuil+cisco@...nel.org,
linux-media@...r.kernel.org,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v1 2/2] media: dt-bindings: ti,omap3isp: Convert to DT schema
Convert binding for ti,omap3isp from TXT to YAML format.
Signed-off-by: Alex Tran <alex.t.tran@...il.com>
---
.../devicetree/bindings/media/ti,omap3isp.txt | 71 -------
.../bindings/media/ti,omap3isp.yaml | 182 ++++++++++++++++++
2 files changed, 182 insertions(+), 71 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/media/ti,omap3isp.txt
create mode 100644 Documentation/devicetree/bindings/media/ti,omap3isp.yaml
diff --git a/Documentation/devicetree/bindings/media/ti,omap3isp.txt b/Documentation/devicetree/bindings/media/ti,omap3isp.txt
deleted file mode 100644
index ac23de855641..000000000000
--- a/Documentation/devicetree/bindings/media/ti,omap3isp.txt
+++ /dev/null
@@ -1,71 +0,0 @@
-OMAP 3 ISP Device Tree bindings
-===============================
-
-The DT definitions can be found in include/dt-bindings/media/omap3-isp.h.
-
-Required properties
-===================
-
-compatible : must contain "ti,omap3-isp"
-
-reg : the two registers sets (physical address and length) for the
- ISP. The first set contains the core ISP registers up to
- the end of the SBL block. The second set contains the
- CSI PHYs and receivers registers.
-interrupts : the ISP interrupt specifier
-iommus : phandle and IOMMU specifier for the IOMMU that serves the ISP
-syscon : the phandle and register offset to the Complex I/O or CSI-PHY
- register
-ti,phy-type : 0 -- OMAP3ISP_PHY_TYPE_COMPLEX_IO (e.g. 3430)
- 1 -- OMAP3ISP_PHY_TYPE_CSIPHY (e.g. 3630)
-#clock-cells : Must be 1 --- the ISP provides two external clocks,
- cam_xclka and cam_xclkb, at indices 0 and 1,
- respectively. Please find more information on common
- clock bindings in ../clock/clock-bindings.txt.
-
-Port nodes (optional)
----------------------
-
-More documentation on these bindings is available in
-video-interfaces.txt in the same directory.
-
-reg : The interface:
- 0 - parallel (CCDC)
- 1 - CSIPHY1 -- CSI2C / CCP2B on 3630;
- CSI1 -- CSIb on 3430
- 2 - CSIPHY2 -- CSI2A / CCP2B on 3630;
- CSI2 -- CSIa on 3430
-
-Optional properties
-===================
-
-vdd-csiphy1-supply : voltage supply of the CSI-2 PHY 1
-vdd-csiphy2-supply : voltage supply of the CSI-2 PHY 2
-
-Endpoint nodes
---------------
-
-lane-polarities : lane polarity (required on CSI-2)
- 0 -- not inverted; 1 -- inverted
-data-lanes : an array of data lanes from 1 to 3. The length can
- be either 1 or 2. (required on CSI-2)
-clock-lanes : the clock lane (from 1 to 3). (required on CSI-2)
-
-
-Example
-=======
-
- isp@...bc000 {
- compatible = "ti,omap3-isp";
- reg = <0x480bc000 0x12fc
- 0x480bd800 0x0600>;
- interrupts = <24>;
- iommus = <&mmu_isp>;
- syscon = <&scm_conf 0x2f0>;
- ti,phy-type = <OMAP3ISP_PHY_TYPE_CSIPHY>;
- #clock-cells = <1>;
- ports {
- #address-cells = <1>;
- #size-cells = <0>;
- };
- };
diff --git a/Documentation/devicetree/bindings/media/ti,omap3isp.yaml b/Documentation/devicetree/bindings/media/ti,omap3isp.yaml
new file mode 100644
index 000000000000..3f3b0c0f46e5
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/ti,omap3isp.yaml
@@ -0,0 +1,182 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/ti,omap3isp.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments OMAP 3 Image Signal Processor (ISP)
+
+maintainers:
+ - Laurent Pinchart <laurent.pinchart@...asonboard.com>
+ - Sakari Ailus <sakari.ailus@....fi>
+
+description:
+ The OMAP 3 ISP is an image signal processor present in OMAP 3 SoCs.
+
+properties:
+ compatible:
+ const: ti,omap3-isp
+
+ reg:
+ items:
+ - description: Core ISP registers up to the end of the SBL block
+ - description: CSI PHYs and receivers registers
+
+ interrupts:
+ maxItems: 1
+ description: the ISP interrupt specifier
+
+ iommus:
+ maxItems: 1
+ description: phandle and IOMMU specifier for the IOMMU that serves the ISP
+
+ syscon:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ items:
+ - items:
+ - description: phandle to System Control Module
+ - description: register offset to Complex I/O or CSI-PHY register
+ description:
+ Phandle and register offset to the Complex I/O or CSI-PHY register
+
+ ti,phy-type:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 1]
+ description:
+ 0 - OMAP3ISP_PHY_TYPE_COMPLEX_IO (e.g. OMAP 3430)
+ 1 - OMAP3ISP_PHY_TYPE_CSIPHY (e.g. OMAP 3630)
+
+ '#clock-cells':
+ const: 1
+ description:
+ The ISP provides two external clocks, cam_xclka and cam_xclkb,
+ at indices 0 and 1 respectively.
+
+ vdd-csiphy1-supply:
+ description: Voltage supply of the CSI-2 PHY 1
+
+ vdd-csiphy2-supply:
+ description: Voltage supply of the CSI-2 PHY 2
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ properties:
+ port@0:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description: Parallel (CCDC) interface
+
+ properties:
+ endpoint:
+ $ref: /schemas/media/video-interfaces.yaml#
+ unevaluatedProperties: false
+
+ port@1:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description: |
+ CSIPHY1 interface:
+ OMAP 3630: CSI2C / CCP2B
+ OMAP 3430: CSI1 (CSIb)
+
+ properties:
+ endpoint:
+ $ref: /schemas/media/video-interfaces.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ lane-polarities:
+ description: |
+ The lane polarity (required on CSI-2):
+ 0 - not inverted
+ 1 - inverted
+ minItems: 2
+ maxItems: 3
+ items:
+ enum: [0, 1]
+
+ data-lanes:
+ description: Data lanes (required on CSI-2)
+ minItems: 1
+ maxItems: 2
+ items:
+ minimum: 1
+ maximum: 3
+
+ clock-lanes:
+ description: The clock lane (required on CSI-2)
+ maxItems: 1
+ items:
+ minimum: 1
+ maximum: 3
+
+ port@2:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description: |
+ CSIPHY2 interface:
+ OMAP 3630: CSI2A / CCP2B
+ OMAP 3430: CSI2 (CSIa)
+
+ properties:
+ endpoint:
+ $ref: /schemas/media/video-interfaces.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ lane-polarities:
+ description: |
+ The lane polarity (required on CSI-2):
+ 0 - not inverted
+ 1 - inverted
+ minItems: 2
+ maxItems: 3
+ items:
+ enum: [0, 1]
+
+ data-lanes:
+ description: Data lanes (required on CSI-2)
+ minItems: 1
+ maxItems: 2
+ items:
+ minimum: 1
+ maximum: 3
+
+ clock-lanes:
+ description: The clock lane (required on CSI-2)
+ maxItems: 1
+ items:
+ minimum: 1
+ maximum: 3
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - iommus
+ - syscon
+ - ti,phy-type
+ - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/media/omap3-isp.h>
+
+ isp@...bc000 {
+ compatible = "ti,omap3-isp";
+ reg = <0x480bc000 0x12fc>,
+ <0x480bd800 0x0600>;
+ interrupts = <24>;
+ iommus = <&mmu_isp>;
+ syscon = <&scm_conf 0x2f0>;
+ ti,phy-type = <OMAP3ISP_PHY_TYPE_CSIPHY>;
+ #clock-cells = <1>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+ };
--
2.51.0
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