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To:     Jerome Brunet <jbrunet@baylibre.com>,
        Jianxin Pan <jianxin.pan@amlogic.com>,
        Neil Armstrong <narmstrong@baylibre.com>
From:   Stephen Boyd <sboyd@kernel.org>
In-Reply-To: <1539839245-13793-3-git-send-email-jianxin.pan@amlogic.com>
Cc:     Yixun Lan <yixun.lan@amlogic.com>,
        Jianxin Pan <jianxin.pan@amlogic.com>,
        Kevin Hilman <khilman@baylibre.com>,
        Carlo Caione <carlo@caione.org>,
        Michael Turquette <mturquette@baylibre.com>,
        Rob Herring <robh@kernel.org>,
        Miquel Raynal <miquel.raynal@bootlin.com>,
        Boris Brezillon <boris.brezillon@bootlin.com>,
        Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
        Liang Yang <liang.yang@amlogic.com>,
        Jian Hu <jian.hu@amlogic.com>,
        Qiufang Dai <qiufang.dai@amlogic.com>,
        Hanjie Lin <hanjie.lin@amlogic.com>,
        Victor Wan <victor.wan@amlogic.com>, linux-clk@vger.kernel.org,
        linux-amlogic@lists.infradead.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
References: <1539839245-13793-1-git-send-email-jianxin.pan@amlogic.com>
 <1539839245-13793-3-git-send-email-jianxin.pan@amlogic.com>
Message-ID: <153988248599.5275.8444799485095155762@swboyd.mtv.corp.google.com>
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Subject: Re: [PATCH v5 2/3] clk: meson: add DT documentation for emmc clock controller
Date:   Thu, 18 Oct 2018 10:08:05 -0700
Sender: linux-kernel-owner@vger.kernel.org
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Quoting Jianxin Pan (2018-10-17 22:07:24)
> diff --git a/Documentation/devicetree/bindings/clock/amlogic,mmc-clkc.txt=
 b/Documentation/devicetree/bindings/clock/amlogic,mmc-clkc.txt
> new file mode 100644
> index 0000000..9e6d343
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/amlogic,mmc-clkc.txt
> @@ -0,0 +1,31 @@
> +* Amlogic MMC Sub Clock Controller Driver
> +
> +The Amlogic MMC clock controller generates and supplies clock to support
> +MMC and NAND controller
> +
> +Required Properties:
> +
> +- compatible: should be:
> +               "amlogic,gx-mmc-clkc"
> +               "amlogic,axg-mmc-clkc"
> +
> +- #clock-cells: should be 1.
> +- clocks: phandles to clocks corresponding to the clock-names property
> +- clock-names: list of parent clock names
> +       - "clkin0", "clkin1"
> +
> +Parent node should have the following properties :

The example only has one node. Can you add two nodes?

> +- compatible: "amlogic,axg-mmc-clkc", "syscon".
> +- reg: base address and size of the MMC control register space.
> +
> +Example: Clock controller node:
> +
> +sd_mmc_c_clkc: clock-controller@7000 {
> +       compatible =3D "amlogic,axg-mmc-clkc", "syscon";
> +       reg =3D <0x0 0x7000 0x0 0x4>;
> +       #clock-cells =3D <1>;
> +
> +       clock-names =3D "clkin0", "clkin1";
> +       clocks =3D <&clkc CLKID_SD_MMC_C_CLK0>,
> +                <&clkc CLKID_FCLK_DIV2>;
> +};