Re: [PATCH v6 1/5] dt-bindings: media: add mediatek ISP3.0 sensor interface

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Il 29/07/24 16:48, Julien Stephan ha scritto:
From: Louis Kuo <louis.kuo@xxxxxxxxxxxx>

This adds the bindings, for the mediatek ISP3.0 SENINF module embedded in
some Mediatek SoC, such as the mt8365

Signed-off-by: Louis Kuo <louis.kuo@xxxxxxxxxxxx>
Signed-off-by: Phi-Bang Nguyen <pnguyen@xxxxxxxxxxxx>
Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Signed-off-by: Julien Stephan <jstephan@xxxxxxxxxxxx>
---
  .../bindings/media/mediatek,mt8365-seninf.yaml     | 259 +++++++++++++++++++++
  MAINTAINERS                                        |   7 +
  2 files changed, 266 insertions(+)

diff --git a/Documentation/devicetree/bindings/media/mediatek,mt8365-seninf.yaml b/Documentation/devicetree/bindings/media/mediatek,mt8365-seninf.yaml
new file mode 100644
index 000000000000..8bd78ef424ac
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/mediatek,mt8365-seninf.yaml
@@ -0,0 +1,259 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (c) 2023 MediaTek, BayLibre
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/mediatek,mt8365-seninf.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek Sensor Interface 3.0
+

..snip..

+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/mediatek,mt8365-clk.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/phy/phy.h>
+    #include <dt-bindings/power/mediatek,mt8365-power.h>
+
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        csi@15040000 {
+            compatible = "mediatek,mt8365-seninf";
+            reg = <0 0x15040000 0 0x6000>;
+            interrupts = <GIC_SPI 210 IRQ_TYPE_LEVEL_LOW>;
+            clocks = <&camsys CLK_CAM_SENIF>,
+                     <&topckgen CLK_TOP_SENIF_SEL>;
+            clock-names = "camsys", "top_mux";
+
+            power-domains = <&spm MT8365_POWER_DOMAIN_CAM>;
+
+            phys = <&mipi_csi0 PHY_TYPE_DPHY>, <&mipi_csi1>;
+            phy-names = "csi0", "csi1";
+
+            ports {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                port@0 {
+                    reg = <0>;
+                    seninf_in1: endpoint {
+                        clock-lanes = <2>;
+                        data-lanes = <1 3 0 4>;
+                        remote-endpoint = <&isp1_out>;
+                    };
+                };
+
+                port@1 {
+                    reg = <1>;
+                };
+
+                port@2 {
+                    reg = <2>;
+                };
+
+                port@3 {
+                    reg = <3>;
+                };

I don't really get why you got all those empty ports here, as you could simply
avoid adding all of the empty nodes instead.

I don't have strong opinions about that anyway so, regardless of that....

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>

+
+                port@4 {
+                    reg = <4>;
+                    seninf_camsv1_endpoint: endpoint {
+                        remote-endpoint = <&camsv1_endpoint>;
+                    };
+                };
+
+                port@5 {
+                    reg = <5>;
+                    seninf_camsv2_endpoint: endpoint {
+                        remote-endpoint = <&camsv2_endpoint>;
+                    };
+                };
+
+                port@6 {
+                    reg = <6>;
+                };
+
+                port@7 {
+                    reg = <7>;
+                };
+
+                port@8 {
+                    reg = <8>;
+                };
+
+                port@9 {
+                    reg = <9>;
+                };
+            };
+        };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index d6c90161c7bf..6bd7df1c3e08 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14158,6 +14158,13 @@ M:	Sean Wang <sean.wang@xxxxxxxxxxxx>
  S:	Maintained
  F:	drivers/char/hw_random/mtk-rng.c
+MEDIATEK ISP3.0 DRIVER
+M:	Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
+M:	Julien Stephan <jstephan@xxxxxxxxxxxx>
+M:	Andy Hsieh <andy.hsieh@xxxxxxxxxxxx>
+S:	Supported
+F:	Documentation/devicetree/bindings/media/mediatek,mt8365-seninf.yaml
+
  MEDIATEK SMI DRIVER
  M:	Yong Wu <yong.wu@xxxxxxxxxxxx>
  L:	linux-mediatek@xxxxxxxxxxxxxxxxxxx (moderated for non-subscribers)






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