From: Paul Kocialkowski <paulk@sys-base•io>
To: linux-media@vger•kernel.org, devicetree@vger•kernel.org,
linux-arm-kernel@lists•infradead.org,
linux-sunxi@lists•linux.dev, linux-kernel@vger•kernel.org
Cc: Yong Deng <yong.deng@magewell•com>,
Paul Kocialkowski <paulk@sys-base•io>,
Mauro Carvalho Chehab <mchehab@kernel•org>,
Rob Herring <robh@kernel•org>,
Krzysztof Kozlowski <krzk+dt@kernel•org>,
Conor Dooley <conor+dt@kernel•org>,
Chen-Yu Tsai <wens@kernel•org>,
Jernej Skrabec <jernej.skrabec@gmail•com>,
Samuel Holland <samuel@sholland•org>,
Michael Turquette <mturquette@baylibre•com>,
Stephen Boyd <sboyd@kernel•org>,
Brian Masney <bmasney@redhat•com>,
Maxime Ripard <mripard@kernel•org>,
Paul Kocialkowski <paul.kocialkowski@bootlin•com>
Subject: [PATCH v9 6/9] ARM: dts: sun8i: v3s: Add support for the ISP
Date: Mon, 18 May 2026 17:33:35 +0200 [thread overview]
Message-ID: <20260518153339.619947-7-paulk@sys-base.io> (raw)
In-Reply-To: <20260518153339.619947-1-paulk@sys-base.io>
From: Paul Kocialkowski <paul.kocialkowski@bootlin•com>
The V3s (and related platforms) come with an instance of the A31 ISP.
Even though it is very close to the A31 ISP, it is not exactly
register-compatible and a dedicated compatible only is used as a
result.
Just like most other blocks of the camera pipeline, the ISP uses
the common CSI bus, module and ram clock as well as reset.
A port connection to the ISP is added to CSI0 for convenience since
CSI0 serves for MIPI CSI-2 interface support, which is likely to
receive raw data that will need to be processed by the ISP to produce
a final image.
The interconnects property is used to inherit the proper DMA offset.
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin•com>
---
arch/arm/boot/dts/allwinner/sun8i-v3s.dtsi | 35 ++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/arch/arm/boot/dts/allwinner/sun8i-v3s.dtsi b/arch/arm/boot/dts/allwinner/sun8i-v3s.dtsi
index bfe02295f45d..f63534a02706 100644
--- a/arch/arm/boot/dts/allwinner/sun8i-v3s.dtsi
+++ b/arch/arm/boot/dts/allwinner/sun8i-v3s.dtsi
@@ -695,6 +695,14 @@ csi0_in_mipi_csi2: endpoint {
remote-endpoint = <&mipi_csi2_out_csi0>;
};
};
+
+ port@2 {
+ reg = <2>;
+
+ csi0_out_isp: endpoint {
+ remote-endpoint = <&isp_in_csi0>;
+ };
+ };
};
};
@@ -753,5 +761,32 @@ csi1: camera@1cb4000 {
resets = <&ccu RST_BUS_CSI>;
status = "disabled";
};
+
+ isp: isp@1cb8000 {
+ compatible = "allwinner,sun8i-v3s-isp";
+ reg = <0x01cb8000 0x1000>;
+ interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&ccu CLK_BUS_CSI>,
+ <&ccu CLK_CSI_SCLK>,
+ <&ccu CLK_DRAM_CSI>;
+ clock-names = "bus", "mod", "ram";
+ resets = <&ccu RST_BUS_CSI>;
+ interconnects = <&mbus 5>;
+ interconnect-names = "dma-mem";
+ status = "disabled";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ isp_in_csi0: endpoint {
+ remote-endpoint = <&csi0_out_isp>;
+ };
+ };
+ };
+ };
};
};
--
2.54.0
next prev parent reply other threads:[~2026-05-18 15:37 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-18 15:33 [PATCH v9 0/9] Allwinner A31/A83T MIPI CSI-2 and A31 ISP / Platform Support Paul Kocialkowski
2026-05-18 15:33 ` [PATCH v9 1/9] dt-bindings: media: sun6i-a31-csi: Add optional interconnect properties Paul Kocialkowski
2026-05-18 15:33 ` [PATCH v9 2/9] dt-bindings: media: sun6i-a31-isp: " Paul Kocialkowski
2026-05-18 15:33 ` [PATCH v9 3/9] clk: sunxi-ng: v3s: Export MBUS and DRAM clocks to the public header Paul Kocialkowski
2026-05-18 15:33 ` [PATCH v9 4/9] ARM: dts: sun8i: v3s: Add mbus node to represent the interconnect Paul Kocialkowski
2026-05-18 15:33 ` [PATCH v9 5/9] ARM: dts: sun8i: v3s: Add nodes for MIPI CSI-2 support Paul Kocialkowski
2026-05-18 15:33 ` Paul Kocialkowski [this message]
2026-05-18 15:33 ` [PATCH v9 7/9] ARM: dts: sun8i: a83t: Add MIPI CSI-2 controller node Paul Kocialkowski
2026-05-18 15:33 ` [PATCH v9 8/9] ARM: dts: sun8i-a83t: Add BananaPi M3 OV5640 camera overlay Paul Kocialkowski
2026-05-24 20:24 ` Chen-Yu Tsai
2026-05-18 15:33 ` [PATCH v9 9/9] ARM: dts: sun8i-a83t: Add BananaPi M3 OV8865 " Paul Kocialkowski
2026-05-24 19:36 ` (subset) [PATCH v9 0/9] Allwinner A31/A83T MIPI CSI-2 and A31 ISP / Platform Support Chen-Yu Tsai
2026-05-24 20:26 ` Chen-Yu Tsai
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