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Subject: media: dt-bindings: media: Add Allwinner A10 CSI binding Author: Maxime Ripard <maxime.rip...@bootlin.com> Date: Thu Aug 22 05:21:12 2019 -0300 The Allwinner A10 CMOS Sensor Interface is a camera capture interface also used in later (A10s, A13, A20, R8 and GR8) SoCs. On some SoCs, like the A10, there's multiple instances of that controller, with one instance supporting more channels and having an ISP. [Sakari Ailus: Add type: object to the endpoint node.] Reviewed-by: Rob Herring <r...@kernel.org> Signed-off-by: Maxime Ripard <maxime.rip...@bootlin.com> Signed-off-by: Sakari Ailus <sakari.ai...@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+sams...@kernel.org> .../bindings/media/allwinner,sun4i-a10-csi.yaml | 109 +++++++++++++++++++++ MAINTAINERS | 7 ++ 2 files changed, 116 insertions(+) --- diff --git a/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-csi.yaml b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-csi.yaml new file mode 100644 index 000000000000..27f38eed389e --- /dev/null +++ b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-csi.yaml @@ -0,0 +1,109 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/allwinner,sun4i-a10-csi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner A10 CMOS Sensor Interface (CSI) Device Tree Bindings + +maintainers: + - Chen-Yu Tsai <w...@csie.org> + - Maxime Ripard <maxime.rip...@bootlin.com> + +description: |- + The Allwinner A10 and later has a CMOS Sensor Interface to retrieve + frames from a parallel or BT656 sensor. + +properties: + compatible: + const: allwinner,sun7i-a20-csi0 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: The CSI interface clock + - description: The CSI module clock + - description: The CSI ISP clock + - description: The CSI DRAM clock + + clock-names: + items: + - const: bus + - const: mod + - const: isp + - const: ram + + resets: + maxItems: 1 + + # See ./video-interfaces.txt for details + port: + type: object + additionalProperties: false + + properties: + endpoint: + type: object + + properties: + bus-width: + enum: [8, 16] + + data-active: true + hsync-active: true + pclk-sample: true + remote-endpoint: true + vsync-active: true + + required: + - bus-width + - data-active + - hsync-active + - pclk-sample + - remote-endpoint + - vsync-active + + required: + - endpoint + +required: + - compatible + - reg + - interrupts + - clocks + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/sun7i-a20-ccu.h> + #include <dt-bindings/reset/sun4i-a10-ccu.h> + + csi0: csi@1c09000 { + compatible = "allwinner,sun7i-a20-csi0"; + reg = <0x01c09000 0x1000>; + interrupts = <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&ccu CLK_AHB_CSI0>, <&ccu CLK_CSI0>, + <&ccu CLK_CSI_SCLK>, <&ccu CLK_DRAM_CSI0>; + clock-names = "bus", "mod", "isp", "ram"; + resets = <&ccu RST_CSI0>; + + port { + csi_from_ov5640: endpoint { + remote-endpoint = <&ov5640_to_csi>; + bus-width = <8>; + hsync-active = <1>; /* Active high */ + vsync-active = <0>; /* Active low */ + data-active = <1>; /* Active high */ + pclk-sample = <1>; /* Rising */ + }; + }; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 7dfe381c8b43..496f521356c8 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1421,6 +1421,13 @@ F: drivers/pinctrl/sunxi/ F: drivers/soc/sunxi/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux.git +Allwinner A10 CSI driver +M: Maxime Ripard <mrip...@kernel.org> +L: linux-me...@vger.kernel.org +T: git git://linuxtv.org/media_tree.git +F: Documentation/devicetree/bindings/media/allwinner,sun4i-a10-csi.yaml +S: Maintained + ARM/Amlogic Meson SoC CLOCK FRAMEWORK M: Neil Armstrong <narmstr...@baylibre.com> M: Jerome Brunet <jbru...@baylibre.com> _______________________________________________ linuxtv-commits mailing list linuxtv-commits@linuxtv.org https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
