From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Yong Deng <yong.deng@magewell.com>
Cc: Maxime Ripard <maxime.ripard@bootlin.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>, Chen-Yu Tsai <wens@csie.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"David S. Miller" <davem@davemloft.net>,
Andrew Morton <akpm@linux-foundation.org>,
Arnd Bergmann <arnd@arndb.de>,
Hans Verkuil <hans.verkuil@cisco.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Neil Armstrong <narmstrong@baylibre.com>,
Philipp Zabel <p.zabel@pengutronix.de>,
Jacopo Mondi <jacopo+renesas@jmondi.org>,
Thomas Gleixner <tglx@linutronix.de>,
Todor Tomov <todor.tomov@linaro.org>,
linux-media@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com,
Sakari Ailus <sakari.ailus@linux.intel.com>
Subject: Re: [PATCH v12 1/2] dt-bindings: media: Add Allwinner V3s Camera Sensor Interface (CSI)
Date: Tue, 30 Oct 2018 15:06:24 +0200 [thread overview]
Message-ID: <308184907.pMD7ZDI2dr@avalon> (raw)
In-Reply-To: <1540887143-27904-1-git-send-email-yong.deng@magewell.com>
Hi Yong,
Thank you for the patch.
On Tuesday, 30 October 2018 10:12:23 EET Yong Deng wrote:
> Add binding documentation for Allwinner V3s CSI.
>
> Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
> Reviewed-by: Rob Herring <robh@kernel.org>
> Signed-off-by: Yong Deng <yong.deng@magewell.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> ---
> .../devicetree/bindings/media/sun6i-csi.txt | 56 +++++++++++++++++++
> 1 file changed, 56 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/sun6i-csi.txt
>
> diff --git a/Documentation/devicetree/bindings/media/sun6i-csi.txt
> b/Documentation/devicetree/bindings/media/sun6i-csi.txt new file mode
> 100644
> index 000000000000..443e18c181b3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/sun6i-csi.txt
> @@ -0,0 +1,56 @@
> +Allwinner V3s Camera Sensor Interface
> +-------------------------------------
> +
> +Allwinner V3s SoC features a CSI module(CSI1) with parallel interface.
> +
> +Required properties:
> + - compatible: value must be "allwinner,sun8i-v3s-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 */
> + };
> + };
> +};
--
Regards,
Laurent Pinchart
next prev parent reply other threads:[~2018-10-30 21:59 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-30 8:12 [PATCH v12 1/2] dt-bindings: media: Add Allwinner V3s Camera Sensor Interface (CSI) Yong Deng
2018-10-30 13:06 ` Laurent Pinchart [this message]
2018-11-23 7:45 ` jacopo mondi
2018-11-23 8:01 ` Yong
2018-11-23 8:13 ` jacopo mondi
2018-11-23 8:33 ` Yong
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