linux-kernel - Re: [PATCH v2] arm64: dts: rockchip: add "rockchip,grf" property for RK3399 PMUCRU/CRU

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Date:   Mon, 9 Jan 2017 10:52:29 -0800
From:   Doug Anderson <dianders@...gle.com>
To:     Xing Zheng <zhengxing@...k-chips.com>
Cc:     Heiko Stübner <heiko@...ech.de>,
        "open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Caesar Wang <wxt@...k-chips.com>,
        Brian Norris <briannorris@...omium.org>,
        Shawn Lin <shawn.lin@...k-chips.com>,
        Jianqun Xu <jay.xu@...k-chips.com>,
        Elaine Zhang <zhangqing@...k-chips.com>,
        David Wu <david.wu@...k-chips.com>,
        William wu <wulf@...k-chips.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] arm64: dts: rockchip: add "rockchip,grf" property for
 RK3399 PMUCRU/CRU

Hi,

On Sun, Jan 8, 2017 at 11:02 PM, Xing Zheng <zhengxing@...k-chips.com> wrote:
> The structure rockchip_clk_provider needs to refer the GRF regmap
> in somewhere, if the CRU node has not "rockchip,grf" property,
> calling syscon_regmap_lookup_by_phandle will return an invalid GRF
> regmap, and the MUXGRF type clock will be not supported.
>
> Therefore, we need to add them.
>
> Signed-off-by: Xing Zheng <zhengxing@...k-chips.com>
> ---
>
> Changes in v2:
> - referring pmugrf for PMUGRU
> - fix the typo "invaild" in COMMIT message
>
>  arch/arm64/boot/dts/rockchip/rk3399.dtsi | 2 ++
>  1 file changed, 2 insertions(+)

This looks sane to me, but before you land it you need to first send
up a (separate) patch that adjusts:

Documentation/devicetree/bindings/clock/rockchip,rk3399-cru.txt

...it would also be sorta nice if you included an a patch in your
series that actually uses this new functionality.


-Doug