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

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

[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-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
---

 .../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.txt b/Documentation/devicetree/bindings/display/rockchip/dw_mipi_dsi_rockchip.txt
index 188f6f7..7e17a60 100644
--- a/Documentation/devicetree/bindings/display/rockchip/dw_mipi_dsi_rockchip.txt
+++ b/Documentation/devicetree/bindings/display/rockchip/dw_mipi_dsi_rockchip.txt
@@ -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].
 - rockchip,grf: this soc should set GRF regs to mux vopl/vopb.
 - ports: contain a port node with endpoint definitions as defined in [2].
   For vopb,set the reg = <0> and set the reg = <1> for vopl.
-- 
2.6.3

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

[Heiko Stübner]

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-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
> ---
> 
>  .../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
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Re: [PATCH 1/3] dt-bindings: add the grf clock for dw-mipi-dsi

[Chris Zhong]

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

[Heiko Stübner]

Am Mittwoch, 15. März 2017, 17:55:23 CET schrieb Chris Zhong:
> 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@rock-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/

ok, but it should probably be made clear, that this is rk3399-specific
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