linux-kernel - Re: [PATCH 1/3] dt-bindings: add the grf clock for dw-mipi-dsi

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Date:   Wed, 15 Mar 2017 10:03:15 +0100
From:   Heiko Stübner <heiko@...ech.de>
To:     Chris Zhong <zyw@...k-chips.com>
Cc:     linux-rockchip@...ts.infradead.org,
        Mark Yao <mark.yao@...k-chips.com>,
        David Airlie <airlied@...ux.ie>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] dt-bindings: add the grf clock for dw-mipi-dsi

Am Mittwoch, 15. März 2017, 16:42:30 CET schrieb Chris Zhong:
> For RK3399, the grf clock should be controlled by dw-mipi-dsi driver,
> add the description for this clock.
> 
> Signed-off-by: Chris Zhong <zyw@...k-chips.com>
> ---
> 
>  .../devicetree/bindings/display/rockchip/dw_mipi_dsi_rockchip.txt       | 2
> +- 1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git
> a/Documentation/devicetree/bindings/display/rockchip/dw_mipi_dsi_rockchip.t
> xt
> b/Documentation/devicetree/bindings/display/rockchip/dw_mipi_dsi_rockchip.t
> xt index 188f6f7..7e17a60 100644
> ---
> a/Documentation/devicetree/bindings/display/rockchip/dw_mipi_dsi_rockchip.t
> xt +++
> b/Documentation/devicetree/bindings/display/rockchip/dw_mipi_dsi_rockchip.t
> xt @@ -10,7 +10,7 @@ Required properties:
>  - interrupts: Represent the controller's interrupt to the CPU(s).
>  - clocks, clock-names: Phandles to the controller's pll reference
>    clock(ref) and APB clock(pclk). For RK3399, a phy config clock
> -  (phy_cfg) is additional required. As described in [1].
> +  (phy_cfg) and a grf clock(grf) are additional required. As described in
> [1].

your "grf" clock is optional, as it is not present on all socs (like the 
rk3288) so should probably move to a separate section and not be in the 
required properties


Heiko