[PATCH 0/4] Mediatek MT8189 JPEG support

[PATCH 0/4] Mediatek MT8189 JPEG support

[Jianhua Lin]

This series is based on tag: next-20251211, linux-next/master

Jianhua Lin (4):
  arm64: dts: mt8188: update JPEG encoder/decoder compatible
  dt-bindings: media: mediatek-jpeg-decoder: add MT8189 compatible
    string
  dt-bindings: media: mediatek-jpeg-encoder: add MT8189 compatible
    string
  media: mediatek: jpeg: add compatible for MT8189 SoC

 .../bindings/media/mediatek-jpeg-decoder.yaml | 46 +++++++++++++++++--
 .../bindings/media/mediatek-jpeg-encoder.yaml | 27 ++++++++---
 arch/arm64/boot/dts/mediatek/mt8188.dtsi      |  9 ++--
 .../platform/mediatek/jpeg/mtk_jpeg_core.c    | 44 ++++++++++++++++++
 4 files changed, 109 insertions(+), 17 deletions(-)

-- 
2.45.2

[PATCH 1/4] arm64: dts: mt8188: update JPEG encoder/decoder compatible

[Jianhua Lin]

The MT8188 JPEG encoder and decoder shares the same architecture
and features as the MT8189 JPEG encoder and decoder.
This improvement enables the MT8188 JPEG encoder and decoder to
support a 34-bit iova address-space.
Therefore, update "mediatek,mtk-jpgenc" to "mediatek,mt8189-jpgenc",
update "mediatek,mt2701-jpgdec" to "mediatek,mt8189-jpgdec".

Signed-off-by: Jianhua Lin <jianhua.lin@mediatek.com>
---
 arch/arm64/boot/dts/mediatek/mt8188.dtsi | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt8188.dtsi b/arch/arm64/boot/dts/mediatek/mt8188.dtsi
index 90c388f1890f..ff9a774f5911 100644
--- a/arch/arm64/boot/dts/mediatek/mt8188.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8188.dtsi
@@ -2846,7 +2846,7 @@ video_encoder: video-encoder@1a020000 {
 		};
 
 		jpeg_encoder: jpeg-encoder@1a030000 {
-			compatible = "mediatek,mt8188-jpgenc", "mediatek,mtk-jpgenc";
+			compatible = "mediatek,mt8188-jpgenc", "mediatek,mt8189-jpgenc";
 			reg = <0 0x1a030000 0 0x10000>;
 			clocks = <&vencsys CLK_VENC1_JPGENC>;
 			clock-names = "jpgenc";
@@ -2859,11 +2859,10 @@ jpeg_encoder: jpeg-encoder@1a030000 {
 		};
 
 		jpeg_decoder: jpeg-decoder@1a040000 {
-			compatible = "mediatek,mt8188-jpgdec", "mediatek,mt2701-jpgdec";
+			compatible = "mediatek,mt8188-jpgdec", "mediatek,mt8189-jpgdec";
 			reg = <0 0x1a040000 0 0x10000>;
-			clocks = <&vencsys CLK_VENC1_LARB>,
-				 <&vencsys CLK_VENC1_JPGDEC>;
-			clock-names = "jpgdec-smi", "jpgdec";
+			clocks = <&vencsys CLK_VENC1_JPGDEC>;
+			clock-names = "jpgdec";
 			interrupts = <GIC_SPI 355 IRQ_TYPE_LEVEL_HIGH 0>;
 			iommus = <&vdo_iommu M4U_PORT_L19_JPGDEC_WDMA_0>,
 				 <&vdo_iommu M4U_PORT_L19_JPGDEC_BSDMA_0>,
-- 
2.45.2

[PATCH 2/4] dt-bindings: media: mediatek-jpeg-decoder: add MT8189 compatible string

[Jianhua Lin]

Compared to the previous generation IC, the MT8189 uses 34-bit
iova address-space. Therefore, add "mediatek,mt8189-jpgdec"
compatible to the binding document.

Signed-off-by: Jianhua Lin <jianhua.lin@mediatek.com>
---
 .../bindings/media/mediatek-jpeg-decoder.yaml | 46 +++++++++++++++++--
 1 file changed, 41 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/media/mediatek-jpeg-decoder.yaml b/Documentation/devicetree/bindings/media/mediatek-jpeg-decoder.yaml
index a4aacd3eb189..935a908465c8 100644
--- a/Documentation/devicetree/bindings/media/mediatek-jpeg-decoder.yaml
+++ b/Documentation/devicetree/bindings/media/mediatek-jpeg-decoder.yaml
@@ -19,11 +19,15 @@ properties:
           - enum:
               - mediatek,mt8173-jpgdec
               - mediatek,mt2701-jpgdec
+              - mediatek,mt8189-jpgdec
       - items:
           - enum:
               - mediatek,mt7623-jpgdec
-              - mediatek,mt8188-jpgdec
           - const: mediatek,mt2701-jpgdec
+      - items:
+          - enum:
+              - mediatek,mt8188-jpgdec
+          - const: mediatek,mt8189-jpgdec
 
   reg:
     maxItems: 1
@@ -32,13 +36,16 @@ properties:
     maxItems: 1
 
   clocks:
+    minItems: 1
     maxItems: 2
-    minItems: 2
 
   clock-names:
-    items:
-      - const: jpgdec-smi
-      - const: jpgdec
+    minItems: 1
+    maxItems: 2
+
+  mediatek,larb:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: a phandle to the smi_larb node.
 
   power-domains:
     maxItems: 1
@@ -51,6 +58,35 @@ properties:
       Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml for details.
       Ports are according to the HW.
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - mediatek,mt8189-jpgdec
+
+    then:
+      properties:
+        clock-names:
+          items:
+            - const: jpgdec
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - mediatek,mt8173-jpgdec
+              - mediatek,mt2701-jpgdec
+
+    then:
+      properties:
+        clock-names:
+          items:
+            - const: jpgdec-smi
+            - const: jpgdec
+
 required:
   - compatible
   - reg
-- 
2.45.2

Re: [PATCH 2/4] dt-bindings: media: mediatek-jpeg-decoder: add MT8189 compatible string

[Krzysztof Kozlowski]

On 12/12/2025 02:52, Jianhua Lin wrote:
> Compared to the previous generation IC, the MT8189 uses 34-bit
> iova address-space. Therefore, add "mediatek,mt8189-jpgdec"
> compatible to the binding document.
> 
> Signed-off-by: Jianhua Lin <jianhua.lin@mediatek.com>
> ---
>  .../bindings/media/mediatek-jpeg-decoder.yaml | 46 +++++++++++++++++--
>  1 file changed, 41 insertions(+), 5 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/media/mediatek-jpeg-decoder.yaml b/Documentation/devicetree/bindings/media/mediatek-jpeg-decoder.yaml
> index a4aacd3eb189..935a908465c8 100644
> --- a/Documentation/devicetree/bindings/media/mediatek-jpeg-decoder.yaml
> +++ b/Documentation/devicetree/bindings/media/mediatek-jpeg-decoder.yaml
> @@ -19,11 +19,15 @@ properties:
>            - enum:
>                - mediatek,mt8173-jpgdec
>                - mediatek,mt2701-jpgdec
> +              - mediatek,mt8189-jpgdec
>        - items:
>            - enum:
>                - mediatek,mt7623-jpgdec
> -              - mediatek,mt8188-jpgdec

That's ABI beak completely unexplained in the commit msg.

No, please read carefully writing bindings doc before posting next DT patch.

I am not reviewing the rest.

Best regards,
Krzysztof

[PATCH 3/4] dt-bindings: media: mediatek-jpeg-encoder: add MT8189 compatible string

[Jianhua Lin]

Compared to the previous generation IC, the MT8189 uses 34-bit
iova address-space. Therefore, add "mediatek,mt8189-jpgenc"
compatible to the binding document.

Signed-off-by: Jianhua Lin <jianhua.lin@mediatek.com>
---
 .../bindings/media/mediatek-jpeg-encoder.yaml | 27 ++++++++++++++-----
 1 file changed, 20 insertions(+), 7 deletions(-)

diff --git a/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.yaml b/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.yaml
index 5b15f8977f67..3044c7fc5c18 100644
--- a/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.yaml
+++ b/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.yaml
@@ -14,13 +14,22 @@ description: |-
 
 properties:
   compatible:
-    items:
-      - enum:
-          - mediatek,mt2701-jpgenc
-          - mediatek,mt8183-jpgenc
-          - mediatek,mt8186-jpgenc
-          - mediatek,mt8188-jpgenc
-      - const: mediatek,mtk-jpgenc
+    oneOf:
+      - items:
+          - enum:
+              - mediatek,mtk-jpgenc
+              - mediatek,mt8189-jpgenc
+      - items:
+          - enum:
+              - mediatek,mt2701-jpgenc
+              - mediatek,mt8183-jpgenc
+              - mediatek,mt8186-jpgenc
+          - const: mediatek,mtk-jpgenc
+      - items:
+          - enum:
+              - mediatek,mt8188-jpgenc
+          - const: mediatek,mt8189-jpgenc
+
   reg:
     maxItems: 1
 
@@ -34,6 +43,10 @@ properties:
     items:
       - const: jpgenc
 
+  mediatek,larb:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: a phandle to the smi_larb node.
+
   power-domains:
     maxItems: 1
 
-- 
2.45.2

Re: [PATCH 3/4] dt-bindings: media: mediatek-jpeg-encoder: add MT8189 compatible string

[Krzysztof Kozlowski]

On 12/12/2025 02:52, Jianhua Lin wrote:
> Compared to the previous generation IC, the MT8189 uses 34-bit
> iova address-space. Therefore, add "mediatek,mt8189-jpgenc"
> compatible to the binding document.
> 
> Signed-off-by: Jianhua Lin <jianhua.lin@mediatek.com>
> ---
>  .../bindings/media/mediatek-jpeg-encoder.yaml | 27 ++++++++++++++-----
>  1 file changed, 20 insertions(+), 7 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.yaml b/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.yaml
> index 5b15f8977f67..3044c7fc5c18 100644
> --- a/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.yaml
> +++ b/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.yaml
> @@ -14,13 +14,22 @@ description: |-
>  
>  properties:
>    compatible:
> -    items:
> -      - enum:
> -          - mediatek,mt2701-jpgenc
> -          - mediatek,mt8183-jpgenc
> -          - mediatek,mt8186-jpgenc
> -          - mediatek,mt8188-jpgenc
> -      - const: mediatek,mtk-jpgenc
> +    oneOf:
> +      - items:
> +          - enum:
> +              - mediatek,mtk-jpgenc

NAK, makes absolutely no sense. It is contradictory to the main DT
rules, expressed in writing bindings or on numerous presentations.

You cannot have generic front compatible because it expressed nothing.
Plus this is really, really not properly explained in the commit msg.

Did you receive proper internal review, before posting? Considering
absolutely poor quality patches from Mediatek, I find it as a
requirement now.

Best regards,
Krzysztof

[PATCH 4/4] media: mediatek: jpeg: add compatible for MT8189 SoC

[Jianhua Lin]

add jpeg decoder and encoder compatible for MT8189 SoC.

Signed-off-by: Jianhua Lin <jianhua.lin@mediatek.com>
---
 .../platform/mediatek/jpeg/mtk_jpeg_core.c    | 44 +++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c
index d08fe365cbb2..9ea8d8f56e9b 100644
--- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c
+++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c
@@ -1866,6 +1866,10 @@ static struct clk_bulk_data mt8173_jpeg_dec_clocks[] = {
 	{ .id = "jpgdec" },
 };
 
+static struct clk_bulk_data mtk_jpeg_dec_clocks[] = {
+	{ .id = "jpgdec" },
+};
+
 static const struct mtk_jpeg_variant mt8173_jpeg_drvdata = {
 	.clks = mt8173_jpeg_dec_clocks,
 	.num_clks = ARRAY_SIZE(mt8173_jpeg_dec_clocks),
@@ -1897,6 +1901,38 @@ static const struct mtk_jpeg_variant mtk_jpeg_drvdata = {
 	.multi_core = false,
 };
 
+static const struct mtk_jpeg_variant mtk8189_jpegenc_drvdata = {
+	.clks = mtk_jpeg_clocks,
+	.num_clks = ARRAY_SIZE(mtk_jpeg_clocks),
+	.formats = mtk_jpeg_enc_formats,
+	.num_formats = MTK_JPEG_ENC_NUM_FORMATS,
+	.qops = &mtk_jpeg_enc_qops,
+	.irq_handler = mtk_jpeg_enc_irq,
+	.hw_reset = mtk_jpeg_enc_reset,
+	.m2m_ops = &mtk_jpeg_enc_m2m_ops,
+	.dev_name = "mtk-jpeg-enc",
+	.ioctl_ops = &mtk_jpeg_enc_ioctl_ops,
+	.out_q_default_fourcc = V4L2_PIX_FMT_YUYV,
+	.cap_q_default_fourcc = V4L2_PIX_FMT_JPEG,
+	.support_34bit = true,
+};
+
+static const struct mtk_jpeg_variant mtk8189_jpegdec_drvdata = {
+	.clks = mtk_jpeg_dec_clocks,
+	.num_clks = ARRAY_SIZE(mtk_jpeg_dec_clocks),
+	.formats = mtk_jpeg_dec_formats,
+	.num_formats = MTK_JPEG_DEC_NUM_FORMATS,
+	.qops = &mtk_jpeg_dec_qops,
+	.irq_handler = mtk_jpeg_dec_irq,
+	.hw_reset = mtk_jpeg_dec_reset,
+	.m2m_ops = &mtk_jpeg_dec_m2m_ops,
+	.dev_name = "mtk-jpeg-dec",
+	.ioctl_ops = &mtk_jpeg_dec_ioctl_ops,
+	.out_q_default_fourcc = V4L2_PIX_FMT_JPEG,
+	.cap_q_default_fourcc = V4L2_PIX_FMT_YUV420M,
+	.support_34bit = true,
+};
+
 static struct mtk_jpeg_variant mtk8195_jpegenc_drvdata = {
 	.formats = mtk_jpeg_enc_formats,
 	.num_formats = MTK_JPEG_ENC_NUM_FORMATS,
@@ -1936,6 +1972,14 @@ static const struct of_device_id mtk_jpeg_match[] = {
 		.compatible = "mediatek,mtk-jpgenc",
 		.data = &mtk_jpeg_drvdata,
 	},
+	{
+		.compatible = "mediatek,mt8189-jpgenc",
+		.data = &mtk8189_jpegenc_drvdata,
+	},
+	{
+		.compatible = "mediatek,mt8189-jpgdec",
+		.data = &mtk8189_jpegdec_drvdata,
+	},
 	{
 		.compatible = "mediatek,mt8195-jpgenc",
 		.data = &mtk8195_jpegenc_drvdata,
-- 
2.45.2