linux-kernel - Re: [PATCH 3/3] arm64: dts: qcom: msm8939-wingtech-wt82918: Add Lenovo Vibe K5 devices

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Message-ID: <630834c52e6b958f92c52d61f9196081@trvn.ru>
Date: Sat, 13 Jul 2024 15:41:02 +0500
From: Nikita Travkin <nikita@...n.ru>
To: Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: Bjorn Andersson <andersson@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 ~postmarketos/upstreaming@...ts.sr.ht, Adam Słaboń
 <asaillen@...tonmail.com>
Subject: Re: [PATCH 3/3] arm64: dts: qcom: msm8939-wingtech-wt82918: Add
 Lenovo Vibe K5 devices

Konrad Dybcio писал(а) 13.07.2024 00:53:
> On 12.07.2024 6:04 PM, Nikita Travkin wrote:
>> From: Adam Słaboń <asaillen@...tonmail.com>
>>
>> This commit introduces multiple hardware variants of Lenovo Vibe K5.
>>
>> - A6020a40 (msm8929-wingtech-wt82918hd)
>> - A6020a46/A6020l36 (msm8939-wingtech-wt82918)
>> - A6020a40 S616 H39 (msm8939-wingtech-wt82918hd)
>>
>> These devices are added with support for many features, notably:
>>
>> - Basic features like USB, mmc/sd storage, wifi, buttons, leds;
>> - Accelerometer;
>> - Touchscreen;
>> - Sound and modem.
>>
>> Note that "HD" variant of K5 is based on msm8929 which is a lower bin
>> of msm8939 SoC. A simple dtsi is added for this soc along with the new
>> devices.
>>
>> Unfortunately, despite the heavy similarities, the combination of minor
>> differences between variants make them incompatible between each other.
>>
>> Signed-off-by: Adam Słaboń <asaillen@...tonmail.com>
>> [Nikita: Minor cleanup, commit message]
>> Signed-off-by: Nikita Travkin <nikita@...n.ru>
>> ---
>>  arch/arm64/boot/dts/qcom/Makefile                  |   3 +
>>  .../boot/dts/qcom/msm8929-wingtech-wt82918hd.dts   |  17 ++
>>  arch/arm64/boot/dts/qcom/msm8929.dtsi              |   5 +
>>  .../boot/dts/qcom/msm8939-wingtech-wt82918.dts     |  16 ++
>>  .../boot/dts/qcom/msm8939-wingtech-wt82918.dtsi    | 254 +++++++++++++++++++++
>>  .../boot/dts/qcom/msm8939-wingtech-wt82918hd.dts   |  16 ++
>>  6 files changed, 311 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
>> index fd4c7c41ddc4..48ec781fa1d8 100644
>> --- a/arch/arm64/boot/dts/qcom/Makefile
>> +++ b/arch/arm64/boot/dts/qcom/Makefile
>> @@ -58,10 +58,13 @@ dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-wingtech-wt86518.dtb
>>  dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-wingtech-wt86528.dtb
>>  dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-wingtech-wt88047.dtb
>>  dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-yiming-uz801v3.dtb
>> +dtb-$(CONFIG_ARCH_QCOM)	+= msm8929-wingtech-wt82918hd.dtb
>>  dtb-$(CONFIG_ARCH_QCOM)	+= msm8939-huawei-kiwi.dtb
>>  dtb-$(CONFIG_ARCH_QCOM)	+= msm8939-longcheer-l9100.dtb
>>  dtb-$(CONFIG_ARCH_QCOM)	+= msm8939-samsung-a7.dtb
>>  dtb-$(CONFIG_ARCH_QCOM)	+= msm8939-sony-xperia-kanuti-tulip.dtb
>> +dtb-$(CONFIG_ARCH_QCOM)	+= msm8939-wingtech-wt82918.dtb
>> +dtb-$(CONFIG_ARCH_QCOM)	+= msm8939-wingtech-wt82918hd.dtb
>>  dtb-$(CONFIG_ARCH_QCOM)	+= msm8953-motorola-potter.dtb
>>  dtb-$(CONFIG_ARCH_QCOM)	+= msm8953-xiaomi-daisy.dtb
>>  dtb-$(CONFIG_ARCH_QCOM)	+= msm8953-xiaomi-mido.dtb
>> diff --git a/arch/arm64/boot/dts/qcom/msm8929-wingtech-wt82918hd.dts b/arch/arm64/boot/dts/qcom/msm8929-wingtech-wt82918hd.dts
>> new file mode 100644
>> index 000000000000..f9a358e852f8
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/qcom/msm8929-wingtech-wt82918hd.dts
>> @@ -0,0 +1,17 @@
>> +// SPDX-License-Identifier: GPL-2.0-only
>> +
>> +/dts-v1/;
>> +
>> +#include "msm8939-wingtech-wt82918.dtsi"
>> +#include "msm8929.dtsi"
>> +
>> +/ {
>> +	model = "Lenovo Vibe K5 (HD) (Wingtech WT82918)";
>> +	compatible = "wingtech,wt82918hd", "qcom,msm8929";
>> +	chassis-type = "handset";
>> +};
>> +
>> +&touchscreen {
>> +	touchscreen-size-x = <720>;
>> +	touchscreen-size-y = <1280>;
>> +};
>> diff --git a/arch/arm64/boot/dts/qcom/msm8929.dtsi b/arch/arm64/boot/dts/qcom/msm8929.dtsi
>> new file mode 100644
>> index 000000000000..c3d1d1ace2f6
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/qcom/msm8929.dtsi
>> @@ -0,0 +1,5 @@
>> +// SPDX-License-Identifier: GPL-2.0-only
>> +
>> +&opp_table {
> 
> No way somebody called the gpu opp table "opp table"..
> 
>> +	/delete-node/ opp-550000000;
> 
> Looking at downstream, seems like there isn't a speedbin fuse for
> this :(
> 
> [...]
> 
>> +
>> +&blsp_i2c2 {
>> +	status = "okay";
>> +
>> +	accelerometer@68 {
>> +		compatible = "invensense,icm20608";
>> +		reg = <0x68>;
>> +
>> +		pinctrl-0 = <&accelerometer_default>;
>> +		pinctrl-names = "default";
> 
> interesting choice to stick pintrl before interrupts
> 

Hm, yeah... I will move it a bit down in v2.

Thanks!
Nikita

>> +
>> +		interrupts-extended = <&tlmm 115 IRQ_TYPE_EDGE_FALLING>;
>> +
>> +		vdd-supply = <&pm8916_l17>;
>> +		vddio-supply = <&pm8916_l6>;
>> +
>> +		mount-matrix = "-1", "0", "0",
>> +				"0", "1", "0",
>> +				"0", "0", "1";
>> +	};
>> +};
> 
> [...]
> 
>> +&pm8916_mpps {
>> +	pwm_out: mpp4-state {
>> +		pins = "mpp4";
>> +		function = "digital";
>> +		power-source = <PM8916_MPP_VPH>;
>> +		output-low;
>> +		qcom,dtest = <1>;
> 
> I think you meant qcom,dtest-output
> 
> looks good otherwise
> 
> Konrad