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Message-ID: <58C90F8B.7070102@rock-chips.com>
Date: Wed, 15 Mar 2017 17:55:23 +0800
From: Chris Zhong <zyw@...k-chips.com>
To: Heiko Stübner <heiko@...ech.de>
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
Hi Heiko
On 03/15/2017 05:03 PM, Heiko Stübner wrote:
> 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
For RK3399, the grf clock is required, according to the advice provided
by rob[0],
put it into "required properties " is better.
[0] https://patchwork.kernel.org/patch/9220187/
>
> Heiko
>
>
>
--
Chris Zhong
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