From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yong Deng Subject: [PATCH RFC 2/2] dt-bindings: add binding documentation for Allwinner CSI Date: Tue, 27 Jun 2017 19:07:34 +0800 Message-ID: <1498561654-14658-3-git-send-email-yong.deng@magewell.com> References: <1498561654-14658-1-git-send-email-yong.deng@magewell.com> Return-path: In-Reply-To: <1498561654-14658-1-git-send-email-yong.deng-+3dxTMOEIRNWk0Htik3J/w@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: mchehab-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org, wens-jdAy2FN1RRM@public.gmane.org, hans.verkuil-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org, peter.griffin-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, hugues.fruchet-qxv4g6HH51o@public.gmane.org, krzk-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, bparrot-l0cyMroinI0@public.gmane.org, arnd-r2nGTMty4D4@public.gmane.org, jean-christophe.trotin-qxv4g6HH51o@public.gmane.org, benjamin.gaignard-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, tiffany.lin-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, kamil-MZ2JYD8fkKLYtjvyW6yDsg@public.gmane.org, kieran+renesas-7hKh/agyDeatmTQ+vhA3Yw@public.gmane.org, andrew-ct.chen-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, yong.deng-+3dxTMOEIRNWk0Htik3J/w@public.gmane.org, linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org List-Id: devicetree@vger.kernel.org Add binding documentation for Allwinner CSI. Signed-off-by: Yong Deng --- .../devicetree/bindings/media/sunxi-csi.txt | 51 ++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/sunxi-csi.txt diff --git a/Documentation/devicetree/bindings/media/sunxi-csi.txt b/Documentation/devicetree/bindings/media/sunxi-csi.txt new file mode 100644 index 0000000..770be0e --- /dev/null +++ b/Documentation/devicetree/bindings/media/sunxi-csi.txt @@ -0,0 +1,51 @@ +Allwinner V3s Camera Sensor 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 + * ahb: 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 + +- ports: A ports node with endpoint definitions as defined in + Documentation/devicetree/bindings/media/video-interfaces.txt. The + first port should be the input endpoints, the second one the outputs + +Example: + + csi1: csi@01cb4000 { + compatible = "allwinner,sun8i-v3s-csi"; + reg = <0x01cb4000 0x1000>; + interrupts = ; + clocks = <&ccu CLK_BUS_CSI>, + <&ccu CLK_CSI1_SCLK>, + <&ccu CLK_DRAM_CSI>; + clock-names = "ahb", "mod", "ram"; + resets = <&ccu RST_BUS_CSI>; + + port { + #address-cells = <1>; + #size-cells = <0>; + + /* Parallel bus endpoint */ + csi1_0: endpoint@0 { + reg = <0>; + remote = <&adv7611_1>; + bus-width = <16>; + data-shift = <0>; + + /* If hsync-active/vsync-active are missing, + embedded BT.656 sync is used */ + hsync-active = <0>; /* Active low */ + vsync-active = <0>; /* Active low */ + data-active = <1>; /* Active high */ + pclk-sample = <1>; /* Rising */ + }; + }; + }; + -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html