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Date: Fri, 23 Oct 2020 19:45:32 +0200 From: Paul Kocialkowski <paul.kocialkowski@...tlin.com> To: linux-media@...r.kernel.org, devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org, linux-sunxi@...glegroups.com Cc: Mauro Carvalho Chehab <mchehab@...nel.org>, Rob Herring <robh+dt@...nel.org>, Maxime Ripard <mripard@...nel.org>, Chen-Yu Tsai <wens@...e.org>, Yong Deng <yong.deng@...ewell.com>, Kishon Vijay Abraham I <kishon@...com>, Vinod Koul <vkoul@...nel.org>, Helen Koike <helen.koike@...labora.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Philipp Zabel <p.zabel@...gutronix.de>, Paul Kocialkowski <paul.kocialkowski@...tlin.com>, Hans Verkuil <hans.verkuil@...co.com>, Sakari Ailus <sakari.ailus@...ux.intel.com>, Thomas Petazzoni <thomas.petazzoni@...tlin.com>, Hans Verkuil <hverkuil@...all.nl>, kevin.lhopital@...mail.com Subject: [PATCH 00/14] Allwinner MIPI CSI-2 support for A31/V3s/A83T This series introduces support for MIPI CSI-2, with the A31 controller that is found on most SoCs (A31, V3s and probably V5) as well as the A83T-specific controller. While the former uses the same MIPI D-PHY that is already supported for DSI, the latter embeds its own D-PHY. In order to distinguish the use of the D-PHY between Rx mode (for MIPI CSI-2) and Tx mode (for MIPI DSI), a submode is introduced for D-PHY in the PHY API. This allows adding Rx support in the A31 D-PHY driver. A few changes and fixes are applied to the A31 CSI controller driver, in order to support the MIPI CSI-2 use-case. Follows is the V4L2 device topology representing the interactions between the MIPI CSI-2 sensor, the MIPI CSI-2 controller (which controls the D-PHY) and the CSI controller: - entity 1: sun6i-csi (1 pad, 1 link) type Node subtype V4L flags 0 device node name /dev/video0 pad0: Sink <- "sun6i-mipi-csi2":1 [ENABLED,IMMUTABLE] - entity 5: sun6i-mipi-csi2 (2 pads, 2 links) type V4L2 subdev subtype Unknown flags 0 pad0: Sink <- "ov5648 0-0036":0 [ENABLED,IMMUTABLE] pad1: Source -> "sun6i-csi":0 [ENABLED,IMMUTABLE] - entity 8: ov5648 0-0036 (1 pad, 1 link) type V4L2 subdev subtype Sensor flags 0 device node name /dev/v4l-subdev0 pad0: Source [fmt:SBGGR8_1X8/640x480@...0 field:none colorspace:raw xfer:none ycbcr:601 quantization:full-range] -> "sun6i-mipi-csi2":0 [ENABLED,IMMUTABLE] Happy reviewing! Paul Kocialkowski (14): phy: Distinguish between Rx and Tx for MIPI D-PHY with submodes phy: allwinner: phy-sun6i-mipi-dphy: Support D-PHY Rx mode for MIPI CSI-2 media: sun6i-csi: Support an optional dedicated memory pool media: sun6i-csi: Fix the image storage bpp for 10/12-bit Bayer formats media: sun6i-csi: Only configure the interface data width for parallel media: sun6i-csi: Support feeding from the MIPI CSI-2 controller dt-bindings: media: i2c: Add A31 MIPI CSI-2 bindings documentation media: sunxi: Add support for the A31 MIPI CSI-2 controller ARM: dts: sun8i: v3s: Add CSI0 camera interface node ARM: dts: sun8i: v3s: Add MIPI D-PHY and MIPI CSI-2 interface nodes dt-bindings: media: i2c: Add A83T MIPI CSI-2 bindings documentation media: sunxi: Add support for the A83T MIPI CSI-2 controller ARM: dts: sun8i: a83t: Add MIPI CSI-2 controller node media: sunxi: sun8i-a83t-mipi-csi2: Avoid using the (unsolicited) interrupt .../media/allwinner,sun6i-a31-mipi-csi2.yaml | 168 +++++ .../media/allwinner,sun8i-a83t-mipi-csi2.yaml | 158 +++++ arch/arm/boot/dts/sun8i-a83t.dtsi | 26 + arch/arm/boot/dts/sun8i-v3s.dtsi | 62 ++ drivers/media/platform/sunxi/Kconfig | 2 + drivers/media/platform/sunxi/Makefile | 2 + .../platform/sunxi/sun6i-csi/sun6i_csi.c | 54 +- .../platform/sunxi/sun6i-csi/sun6i_csi.h | 20 +- .../platform/sunxi/sun6i-mipi-csi2/Kconfig | 11 + .../platform/sunxi/sun6i-mipi-csi2/Makefile | 4 + .../sunxi/sun6i-mipi-csi2/sun6i_mipi_csi2.c | 635 +++++++++++++++++ .../sunxi/sun6i-mipi-csi2/sun6i_mipi_csi2.h | 116 +++ .../sunxi/sun8i-a83t-mipi-csi2/Kconfig | 11 + .../sunxi/sun8i-a83t-mipi-csi2/Makefile | 4 + .../sun8i-a83t-mipi-csi2/sun8i_a83t_dphy.c | 92 +++ .../sun8i-a83t-mipi-csi2/sun8i_a83t_dphy.h | 39 ++ .../sun8i_a83t_mipi_csi2.c | 660 ++++++++++++++++++ .../sun8i_a83t_mipi_csi2.h | 196 ++++++ drivers/phy/allwinner/phy-sun6i-mipi-dphy.c | 164 ++++- drivers/staging/media/rkisp1/rkisp1-isp.c | 3 +- include/linux/phy/phy-mipi-dphy.h | 13 + 21 files changed, 2408 insertions(+), 32 deletions(-) create mode 100644 Documentation/devicetree/bindings/media/allwinner,sun6i-a31-mipi-csi2.yaml create mode 100644 Documentation/devicetree/bindings/media/allwinner,sun8i-a83t-mipi-csi2.yaml create mode 100644 drivers/media/platform/sunxi/sun6i-mipi-csi2/Kconfig create mode 100644 drivers/media/platform/sunxi/sun6i-mipi-csi2/Makefile create mode 100644 drivers/media/platform/sunxi/sun6i-mipi-csi2/sun6i_mipi_csi2.c create mode 100644 drivers/media/platform/sunxi/sun6i-mipi-csi2/sun6i_mipi_csi2.h create mode 100644 drivers/media/platform/sunxi/sun8i-a83t-mipi-csi2/Kconfig create mode 100644 drivers/media/platform/sunxi/sun8i-a83t-mipi-csi2/Makefile create mode 100644 drivers/media/platform/sunxi/sun8i-a83t-mipi-csi2/sun8i_a83t_dphy.c create mode 100644 drivers/media/platform/sunxi/sun8i-a83t-mipi-csi2/sun8i_a83t_dphy.h create mode 100644 drivers/media/platform/sunxi/sun8i-a83t-mipi-csi2/sun8i_a83t_mipi_csi2.c create mode 100644 drivers/media/platform/sunxi/sun8i-a83t-mipi-csi2/sun8i_a83t_mipi_csi2.h -- 2.28.0
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