linux-kernel - Re: [PATCH v5 2/3] clk: meson: add DT documentation for emmc clock controller

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <efc5b030-f344-80ce-f57e-582207f436fe@amlogic.com>
Date:   Fri, 19 Oct 2018 23:50:08 +0800
From:   Jianxin Pan <jianxin.pan@...ogic.com>
To:     Stephen Boyd <sboyd@...nel.org>,
        Jerome Brunet <jbrunet@...libre.com>,
        Neil Armstrong <narmstrong@...libre.com>
CC:     Yixun Lan <yixun.lan@...ogic.com>,
        Kevin Hilman <khilman@...libre.com>,
        Carlo Caione <carlo@...one.org>,
        Michael Turquette <mturquette@...libre.com>,
        Rob Herring <robh@...nel.org>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Boris Brezillon <boris.brezillon@...tlin.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Liang Yang <liang.yang@...ogic.com>,
        Jian Hu <jian.hu@...ogic.com>,
        Qiufang Dai <qiufang.dai@...ogic.com>,
        Hanjie Lin <hanjie.lin@...ogic.com>,
        Victor Wan <victor.wan@...ogic.com>,
        <linux-clk@...r.kernel.org>, <linux-amlogic@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5 2/3] clk: meson: add DT documentation for emmc clock
 controller

On 2018/10/19 1:08, Stephen Boyd wrote:
> 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?
OK. This clock is used by nand and emmc. I will add a new example for emmc too.
Thank you for your review.
> 
>> +- 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@...0 {
>> +       compatible = "amlogic,axg-mmc-clkc", "syscon";
>> +       reg = <0x0 0x7000 0x0 0x4>;
>> +       #clock-cells = <1>;
>> +
>> +       clock-names = "clkin0", "clkin1";
>> +       clocks = <&clkc CLKID_SD_MMC_C_CLK0>,
>> +                <&clkc CLKID_FCLK_DIV2>;
>> +};
> 
> .
>