linux-kernel - Re: [RFC PATCH 3/9] dt-bindings: phy: Add SEC DSIM DPHY bindings

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Message-ID: <20210622165646.GA3838180@robh.at.kernel.org>
Date:   Tue, 22 Jun 2021 10:56:46 -0600
From:   Rob Herring <robh@...nel.org>
To:     Jagan Teki <jagan@...rulasolutions.com>
Cc:     Peng Fan <peng.fan@....com>, Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Tomasz Figa <t.figa@...sung.com>,
        Fancy Fang <chen.fang@....com>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        dri-devel@...ts.freedesktop.org, linux-phy@...ts.infradead.org,
        linux-kernel@...r.kernel.org, NXP Linux Team <linux-imx@....com>,
        linux-amarula@...rulasolutions.com,
        Anthony Brandon <anthony@...rulasolutions.com>,
        Francis Laniel <francis.laniel@...rulasolutions.com>,
        Matteo Lisi <matteo.lisi@...icam.com>,
        Milco Pratesi <milco.pratesi@...icam.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>
Subject: Re: [RFC PATCH 3/9] dt-bindings: phy: Add SEC DSIM DPHY bindings

On Mon, Jun 21, 2021 at 12:54:18PM +0530, Jagan Teki wrote:
> Samsung SEC MIPI DSIM DPHY controller is part of registers
> available in SEC MIPI DSIM bridge for NXP's i.MX8M Mini and
> Nano Processors.
> 
> Add dt-bingings for it.
> 
> Cc: Kishon Vijay Abraham I <kishon@...com>
> Cc: Vinod Koul <vkoul@...nel.org>
> Cc: Rob Herring <robh+dt@...nel.org>
> Signed-off-by: Jagan Teki <jagan@...rulasolutions.com>
> ---
>  .../bindings/phy/samsung,sec-dsim-dphy.yaml   | 56 +++++++++++++++++++
>  1 file changed, 56 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/phy/samsung,sec-dsim-dphy.yaml
> 
> diff --git a/Documentation/devicetree/bindings/phy/samsung,sec-dsim-dphy.yaml b/Documentation/devicetree/bindings/phy/samsung,sec-dsim-dphy.yaml
> new file mode 100644
> index 000000000000..c5770c8035e1
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/samsung,sec-dsim-dphy.yaml
> @@ -0,0 +1,56 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/phy/samsung,sec-dsim-dphy.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Samsung SEC MIPI DSIM DPHY controller on i.MX8M Mini and Nano SoCs
> +
> +maintainers:
> +  - Jagan Teki <jagan@...rulasolutions.com>
> +
> +properties:
> +  "#phy-cells":
> +    const: 0
> +
> +  compatible:
> +    enum:
> +      - fsl,imx8mm-sec-dsim-dphy
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: Phy Ref Clock
> +
> +  clock-names:
> +    items:
> +      - const: phy_ref

'ref' is sufficient.

> +
> +  power-domains:
> +    maxItems: 1
> +    description: phandle to the associated power domain
> +
> +required:
> +  - "#phy-cells"
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/imx8mm-clock.h>
> +    #include <dt-bindings/power/imx8mm-power.h>
> +
> +    dphy: dphy@...100a4 {

phy@...

> +      compatible = "fsl,imx8mm-sec-dsim-dphy";
> +      reg = <0x32e100a4 0xbc>;
> +      clocks = <&clk IMX8MM_CLK_DSI_PHY_REF>;
> +      clock-names = "phy_ref";
> +      power-domains = <&dispmix_blk_ctl IMX8MM_BLK_CTL_PD_DISPMIX_MIPI_DPHY>;
> +      #phy-cells = <0>;
> +    };
> -- 
> 2.25.1
> 
>