The newer Allwinner SoCs have a camera controller that is supported in Linux, with a matching Device Tree binding. Now that we have the DT validation in place, let's convert the device tree bindings for that controller over to a YAML schemas. Signed-off-by: Maxime Ripard <maxime@xxxxxxxxxx> --- .../media/allwinner,sun6i-a31-csi.yaml | 115 ++++++++++++++++++ .../devicetree/bindings/media/sun6i-csi.txt | 61 ---------- 2 files changed, 115 insertions(+), 61 deletions(-) create mode 100644 Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml delete mode 100644 Documentation/devicetree/bindings/media/sun6i-csi.txt diff --git a/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml new file mode 100644 index 000000000000..1fd9b5532a21 --- /dev/null +++ b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml @@ -0,0 +1,115 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/allwinner,sun6i-a31-csi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner A31 CMOS Sensor Interface (CSI) Device Tree Bindings + +maintainers: + - Chen-Yu Tsai <wens@xxxxxxxx> + - Maxime Ripard <mripard@xxxxxxxxxx> + +properties: + compatible: + enum: + - allwinner,sun6i-a31-csi + - allwinner,sun8i-a83t-csi + - allwinner,sun8i-h3-csi + - allwinner,sun8i-v3s-csi + - allwinner,sun50i-a64-csi + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: Bus Clock + - description: Module Clock + - description: DRAM Clock + + clock-names: + items: + - const: bus + - const: mod + - const: ram + + resets: + maxItems: 1 + + # See ./video-interfaces.txt for details + port: + type: object + + properties: + endpoint: + type: object + + properties: + remote-endpoint: true + + bus-width: + enum: [ 8, 10, 12, 16 ] + + pclk-sample: true + hsync-active: true + vsync-active: true + + required: + - bus-width + - remote-endpoint + + required: + - endpoint + + additionalProperties: false + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - resets + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/sun8i-v3s-ccu.h> + #include <dt-bindings/reset/sun8i-v3s-ccu.h> + + csi1: csi@1cb4000 { + compatible = "allwinner,sun8i-v3s-csi"; + reg = <0x01cb4000 0x1000>; + interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&ccu CLK_BUS_CSI>, + <&ccu CLK_CSI1_SCLK>, + <&ccu CLK_DRAM_CSI>; + clock-names = "bus", + "mod", + "ram"; + resets = <&ccu RST_BUS_CSI>; + + port { + /* Parallel bus endpoint */ + csi1_ep: endpoint { + remote-endpoint = <&adv7611_ep>; + bus-width = <16>; + + /* + * If hsync-active/vsync-active are missing, + * embedded BT.656 sync is used. + */ + hsync-active = <0>; /* Active low */ + vsync-active = <0>; /* Active low */ + pclk-sample = <1>; /* Rising */ + }; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/media/sun6i-csi.txt b/Documentation/devicetree/bindings/media/sun6i-csi.txt deleted file mode 100644 index a2e3e56f0257..000000000000 --- a/Documentation/devicetree/bindings/media/sun6i-csi.txt +++ /dev/null @@ -1,61 +0,0 @@ -Allwinner V3s Camera Sensor Interface -------------------------------------- - -Allwinner V3s SoC features a CSI module(CSI1) with parallel interface. - -Required properties: - - compatible: value must be one of: - * "allwinner,sun6i-a31-csi" - * "allwinner,sun8i-a83t-csi" - * "allwinner,sun8i-h3-csi" - * "allwinner,sun8i-v3s-csi" - * "allwinner,sun50i-a64-csi" - - reg: base address and size of the memory-mapped region. - - interrupts: interrupt associated to this IP - - clocks: phandles to the clocks feeding the CSI - * bus: the CSI interface clock - * mod: the CSI module clock - * ram: the CSI DRAM clock - - clock-names: the clock names mentioned above - - resets: phandles to the reset line driving the CSI - -The CSI node should contain one 'port' child node with one child 'endpoint' -node, according to the bindings defined in -Documentation/devicetree/bindings/media/video-interfaces.txt. - -Endpoint node properties for CSI ---------------------------------- -See the video-interfaces.txt for a detailed description of these properties. -- remote-endpoint : (required) a phandle to the bus receiver's endpoint - node -- bus-width: : (required) must be 8, 10, 12 or 16 -- pclk-sample : (optional) (default: sample on falling edge) -- hsync-active : (required; parallel-only) -- vsync-active : (required; parallel-only) - -Example: - -csi1: csi@1cb4000 { - compatible = "allwinner,sun8i-v3s-csi"; - reg = <0x01cb4000 0x1000>; - interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&ccu CLK_BUS_CSI>, - <&ccu CLK_CSI1_SCLK>, - <&ccu CLK_DRAM_CSI>; - clock-names = "bus", "mod", "ram"; - resets = <&ccu RST_BUS_CSI>; - - port { - /* Parallel bus endpoint */ - csi1_ep: endpoint { - remote-endpoint = <&adv7611_ep>; - bus-width = <16>; - - /* If hsync-active/vsync-active are missing, - embedded BT.656 sync is used */ - hsync-active = <0>; /* Active low */ - vsync-active = <0>; /* Active low */ - pclk-sample = <1>; /* Rising */ - }; - }; -}; -- 2.23.0
