linux-kernel - Re: [PATCH v2 05/19] ARM: dts: imx6-sabresd: add OV5642 and OV5640 camera sensors

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Message-ID: <CAOMZO5CibSU45Cw1d8ZipiGSVfhCQ4uP4XiNuWTGLa5eHmC6Qg@mail.gmail.com>
Date:   Wed, 4 Jan 2017 13:26:18 -0200
From:   Fabio Estevam <festevam@...il.com>
To:     Steve Longerbeam <slongerbeam@...il.com>
Cc:     Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <kernel@...gutronix.de>,
        Fabio Estevam <fabio.estevam@....com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King - ARM Linux <linux@...linux.org.uk>,
        mchehab@...nel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        devel@...verdev.osuosl.org,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Steve Longerbeam <steve_longerbeam@...tor.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        linux-media <linux-media@...r.kernel.org>
Subject: Re: [PATCH v2 05/19] ARM: dts: imx6-sabresd: add OV5642 and OV5640
 camera sensors

On Tue, Jan 3, 2017 at 6:57 PM, Steve Longerbeam <slongerbeam@...il.com> wrote:

> +       camera: ov5642@3c {
> +               compatible = "ovti,ov5642";
> +               pinctrl-names = "default";
> +               pinctrl-0 = <&pinctrl_ov5642>;
> +               clocks = <&clks IMX6QDL_CLK_CKO>;
> +               clock-names = "xclk";
> +               reg = <0x3c>;
> +               xclk = <24000000>;
> +               DOVDD-supply = <&vgen4_reg>; /* 1.8v */
> +               AVDD-supply = <&vgen5_reg>;  /* 2.8v, rev C board is VGEN3
> +                                               rev B board is VGEN5 */

Please use vgen3 so that by default we have the valid AVDD-supply for
revC boards which is more recent and more the users have access to.

> +       mipi_camera: ov5640@3c {
> +               compatible = "ovti,ov5640_mipi";
> +               pinctrl-names = "default";
> +               pinctrl-0 = <&pinctrl_ov5640>;
> +               reg = <0x3c>;
> +               clocks = <&clks IMX6QDL_CLK_CKO>;
> +               clock-names = "xclk";
> +               xclk = <24000000>;
> +               DOVDD-supply = <&vgen4_reg>; /* 1.8v */
> +               AVDD-supply = <&vgen5_reg>;  /* 2.8v, rev C board is VGEN3
> +                                               rev B board is VGEN5 */

Same here.

> +               pinctrl_ov5640: ov5640grp {
> +                       fsl,pins = <
> +                               MX6QDL_PAD_SD1_DAT2__GPIO1_IO19 0x80000000
> +                               MX6QDL_PAD_SD1_CLK__GPIO1_IO20  0x80000000

Please avoid all the 0x80000000 IOMUX settings and replace them by
their real values.