Re: [PATCH 5/6] [DO NOT MERGE] ARM: dts: sunxi: bananapi-m2p: Add HDF5640 camera module

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On Fri, Nov 30, 2018 at 1:29 PM Chen-Yu Tsai <wens@xxxxxxxx> wrote:
>
> The Bananapi M2+ comes with an optional sensor based on the ov5640 from
> Omnivision. Enable the support for it in the DT.
>
> Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx>
> ---
>  arch/arm/boot/dts/sunxi-bananapi-m2-plus.dtsi | 87 +++++++++++++++++++
>  1 file changed, 87 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sunxi-bananapi-m2-plus.dtsi b/arch/arm/boot/dts/sunxi-bananapi-m2-plus.dtsi
> index b3283aeb5b7d..d97a98acf378 100644
> --- a/arch/arm/boot/dts/sunxi-bananapi-m2-plus.dtsi
> +++ b/arch/arm/boot/dts/sunxi-bananapi-m2-plus.dtsi
> @@ -89,6 +89,42 @@
>                 };
>         };
>
> +       reg_cam_avdd: cam-avdd {
> +               compatible = "regulator-fixed";
> +               regulator-name = "csi-avdd";
> +               regulator-min-microvolt = <2800000>;
> +               regulator-max-microvolt = <2800000>;
> +               startup-delay-us = <200>; /* 50 us + board delays */
> +               enable-active-high;
> +               gpio = <&pio 3 14 GPIO_ACTIVE_HIGH>; /* PD14 */
> +       };
> +
> +       reg_cam_dovdd: cam-dovdd {
> +               compatible = "regulator-fixed";
> +               regulator-name = "csi-dovdd";
> +               regulator-min-microvolt = <2800000>;
> +               regulator-max-microvolt = <2800000>;
> +               /*
> +                * This regulator also powers the pull-ups for the I2C bus.
> +                * For some reason, if this is turned off, subsequent use
> +                * of the I2C bus, even when turned on, does not work.
> +                */
> +               startup-delay-us = <200>; /* 50 us + board delays */
> +               regulator-always-on;
> +               enable-active-high;
> +               gpio = <&pio 3 14 GPIO_ACTIVE_HIGH>; /* PD14 */
> +       };
> +
> +       reg_cam_dvdd: cam-dvdd {
> +               compatible = "regulator-fixed";
> +               regulator-name = "csi-dvdd";
> +               regulator-min-microvolt = <1500000>;
> +               regulator-max-microvolt = <1500000>;
> +               startup-delay-us = <200>; /* 50 us + board delays */
> +               enable-active-high;
> +               gpio = <&pio 3 14 GPIO_ACTIVE_HIGH>; /* PD14 */
> +       };
> +
>         reg_gmac_3v3: gmac-3v3 {
>                       compatible = "regulator-fixed";
>                       regulator-name = "gmac-3v3";
> @@ -106,6 +142,26 @@
>         };
>  };
>
> +&csi {
> +       status = "okay";
> +
> +       port {
> +               #address-cells = <1>;
> +               #size-cells = <0>;
> +
> +               /* Parallel bus endpoint */
> +               csi_from_ov5640: endpoint {
> +                       remote-endpoint = <&ov5640_to_csi>;
> +                       bus-width = <8>;
> +                       data-shift = <2>;

If I'm not wrong, the data-shift is not available in sun6i at-least in
conf register.



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