[PATCH v12 0/2] Add i.MX8ULP ISI and CSI-2 support

[PATCH v12 0/2] Add i.MX8ULP ISI and CSI-2 support

[Guoniu Zhou]

Add support for the Image Sensing Interface (ISI) and MIPI CSI-2 receiver
on i.MX8ULP.

Signed-off-by: Guoniu Zhou <guoniu.zhou@oss.nxp.com>
---
This was previously sent as patch 5/5 in the v10 series based on media
tree [1]. Patches 1-4 have already been applied to linux-next tree.

Changes in v12:
- Add one new patch
- Swap ISI axi and apb clocks to align with dt-binding requirements 
- Update commit message
- See each patch's changelog for details.

Changes in v11:
- Rebased on latest media/next
- Removed #include <dt-bindings/reset/imx8ulp-pcc-reset.h> which was
  deleted by Rob's dt-bindings cleanup series [2]
- Replaced reset macros with numeric values and added comments to
  document the reset indices
- Link to v10: https://lore.kernel.org/r/20251205-csi2_imx8ulp-v10-5-190cdadb20a3@nxp.com

Changes in v6:
- Update compatible string in dts for csi node.
- Link to v5: https://lore.kernel.org/r/20250901-csi2_imx8ulp-v5-4-67964d1471f3@nxp.com

Changes in v4:
- Change csr clock name to pclk which is more readability.
- Link to v3: https://lore.kernel.org/all/20250825-csi2_imx8ulp-v3-4-35885aba62bc@nxp.com

Changes in v3:
- Change pclk clock name to csr to match IP port name.
- Link to v2: https://lore.kernel.org/all/20250822-csi2_imx8ulp-v2-4-26a444394965@nxp.com

Changes in v2:
- Move dts patch as the last one.
- Add "fsl,imx8qxp-mipi-csi2" to compatible string list of csi node.
- Link to v1: https://lore.kernel.org/all/20250812081923.1019345-3-guoniu.zhou@oss.nxp.com

[1] https://lore.kernel.org/all/20251205-csi2_imx8ulp-v10-0-190cdadb20a3@nxp.com/
[2] https://lore.kernel.org/all/20251212231203.727227-1-robh@kernel.org/

---
Guoniu Zhou (2):
      media: dt-bindings: nxp,imx8-isi: Drop fsl,blk-ctrl requirement for i.MX8ULP
      arm64: dts: imx8ulp: Add MIPI CSI-2 and ISI nodes

 .../devicetree/bindings/media/nxp,imx8-isi.yaml    |  4 +-
 arch/arm64/boot/dts/freescale/imx8ulp.dtsi         | 66 ++++++++++++++++++++++
 2 files changed, 69 insertions(+), 1 deletion(-)
---
base-commit: 4fbeef21f5387234111b5d52924e77757626faa5
change-id: 20250819-csi2_imx8ulp-9db386dd6bdf

Best regards,
-- 
Guoniu Zhou <guoniu.zhou@oss.nxp.com>

[PATCH v12 1/2] media: dt-bindings: nxp,imx8-isi: Drop fsl,blk-ctrl requirement for i.MX8ULP

[Guoniu Zhou]

The i.MX8ULP variant does not require the fsl,blk-ctrl property. Add
fsl,imx8ulp-isi to the exception list alongside fsl,imx91-isi.

Fixes: 288517a3c6c9 ("dt-bindings: media: nxp,imx8-isi: Add i.MX8ULP ISI compatible string")
Cc: stable@vger.kernel.org
Signed-off-by: Guoniu Zhou <guoniu.zhou@oss.nxp.com>
---
Changes in v12:
- New added in v12
---
 Documentation/devicetree/bindings/media/nxp,imx8-isi.yaml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/media/nxp,imx8-isi.yaml b/Documentation/devicetree/bindings/media/nxp,imx8-isi.yaml
index b59c4ce30b8b..279c9cd3034a 100644
--- a/Documentation/devicetree/bindings/media/nxp,imx8-isi.yaml
+++ b/Documentation/devicetree/bindings/media/nxp,imx8-isi.yaml
@@ -117,7 +117,9 @@ allOf:
         compatible:
           not:
             contains:
-              const: fsl,imx91-isi
+              enum:
+                - fsl,imx8ulp-isi
+                - fsl,imx91-isi
     then:
       required:
         - fsl,blk-ctrl

-- 
2.34.1

Re: [PATCH v12 1/2] media: dt-bindings: nxp,imx8-isi: Drop fsl,blk-ctrl requirement for i.MX8ULP

[Conor Dooley]

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On Fri, Apr 24, 2026 at 02:49:50PM +0800, Guoniu Zhou wrote:
> The i.MX8ULP variant does not require the fsl,blk-ctrl property. Add
> fsl,imx8ulp-isi to the exception list alongside fsl,imx91-isi.
> 
> Fixes: 288517a3c6c9 ("dt-bindings: media: nxp,imx8-isi: Add i.MX8ULP ISI compatible string")
> Cc: stable@vger.kernel.org
> Signed-off-by: Guoniu Zhou <guoniu.zhou@oss.nxp.com>

Acked-by: Conor Dooley <conor.dooley@microchip.com>
pw-bot: not-applicable

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