linux-kernel - Re: [PATCH v8 3/3] arm64: dts: exynos: Add support for S6E3HA2 panel device on TM2 board

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Date:   Wed, 11 Jan 2017 10:39:33 +0100
From:   Andrzej Hajda <a.hajda@...sung.com>
To:     Inki Dae <inki.dae@...sung.com>,
        Hoegeun Kwon <hoegeun.kwon@...sung.com>, krzk@...nel.org,
        robh@...nel.org, thierry.reding@...il.com, airlied@...ux.ie,
        kgene@...nel.org
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        cw00.choi@...sung.com, jh80.chung@...sung.com,
        andi.shyti@...sung.com, Hyungwon Hwang <human.hwang@...sung.com>
Subject: Re: [PATCH v8 3/3] arm64: dts: exynos: Add support for S6E3HA2 panel
 device on TM2 board

On 11.01.2017 09:40, Inki Dae wrote:
>
> 2017년 01월 11일 16:46에 Andrzej Hajda 이(가) 쓴 글:
>> On 11.01.2017 07:33, Hoegeun Kwon wrote:
>>> From: Hyungwon Hwang <human.hwang@...sung.com>
>>>
>>> This patch add the panel device tree node for S6E3HA2 display
>>> controller to TM2 dts.
>>>
>>> Signed-off-by: Hyungwon Hwang <human.hwang@...sung.com>
>>> Signed-off-by: Andrzej Hajda <a.hajda@...sung.com>
>>> Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
>>> Signed-off-by: Hoegeun Kwon <hoegeun.kwon@...sung.com>
>>> Tested-by: Chanwoo Choi <cw00.choi@...sung.com>
>>> ---
>>>  arch/arm64/boot/dts/exynos/exynos5433-tm2.dts | 12 ++++++++++++
>>>  1 file changed, 12 insertions(+)
>>>
>>> diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
>>> index ddba2f8..6d362f9 100644
>>> --- a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
>>> +++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
>>> @@ -18,6 +18,18 @@
>>>  	compatible = "samsung,tm2", "samsung,exynos5433";
>>>  };
>>>  
>>> +&dsi {
>>> +	panel@0 {
>>> +		compatible = "samsung,s6e3ha2";
>>> +		reg = <0>;
>>> +		vdd3-supply = <&ldo27_reg>;
>>> +		vci-supply = <&ldo28_reg>;
>>> +		reset-gpios = <&gpg0 0 GPIO_ACTIVE_LOW>;
>>> +		enable-gpios = <&gpf1 5 GPIO_ACTIVE_HIGH>;
>>> +		te-gpios = <&gpf1 3 GPIO_ACTIVE_HIGH>;
>> The same here (as in 1st comment) , te-gpios should be dropper - decon
>> uses hw-trigger.
> Reasonable to remove te-gpios property but this change would make MIPI-DSI driver probing to be failed so MIPI-DSI driver should be fixed together.
>
> Thanks.

OK, I forgot it was not yet ported to mainline.

Regards
Andrzej

>
>> Regards
>> Andrzej
>>> +	};
>>> +};
>>> +
>>>  &hsi2c_9 {
>>>  	status = "okay";
>>>  
>>
>>
>>
>