linux-kernel - Re: [PATCH v3 3/4] ARM: dts: qcom: Add support for Samsung Galaxy Tab 4 10.1 LTE (SM-T535)

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Message-ID: <714040ef-a032-41b4-9612-c739ecc25d33@postmarketos.org>
Date:   Tue, 31 Oct 2023 14:52:15 +0100
From:   Stefan Hansson <newbyte@...tmarketos.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org
Subject: Re: [PATCH v3 3/4] ARM: dts: qcom: Add support for Samsung Galaxy Tab
 4 10.1 LTE (SM-T535)



On 2023-10-31 12:08, Konrad Dybcio wrote:
> On 25.10.2023 10:37, Stefan Hansson wrote:
>> Add a device tree for the Samsung Galaxy Tab 4 10.1 (SM-T535) LTE tablet
>> based on the MSM8926 platform.
>>
>> Signed-off-by: Stefan Hansson <newbyte@...tmarketos.org>
>> ---
>>   arch/arm/boot/dts/qcom/Makefile               |  1 +
>>   .../qcom/qcom-msm8926-samsung-matisselte.dts  | 36 +++++++++++++++++++
>>   2 files changed, 37 insertions(+)
>>   create mode 100644 arch/arm/boot/dts/qcom/qcom-msm8926-samsung-matisselte.dts
>>
>> diff --git a/arch/arm/boot/dts/qcom/Makefile b/arch/arm/boot/dts/qcom/Makefile
>> index a3d293e40820..cab35eeb30f6 100644
>> --- a/arch/arm/boot/dts/qcom/Makefile
>> +++ b/arch/arm/boot/dts/qcom/Makefile
>> @@ -34,6 +34,7 @@ dtb-$(CONFIG_ARCH_QCOM) += \
>>   	qcom-msm8916-samsung-serranove.dtb \
>>   	qcom-msm8926-microsoft-superman-lte.dtb \
>>   	qcom-msm8926-microsoft-tesla.dtb \
>> +	qcom-msm8926-samsung-matisselte.dtb \
>>   	qcom-msm8960-cdp.dtb \
>>   	qcom-msm8960-samsung-expressatt.dtb \
>>   	qcom-msm8974-lge-nexus5-hammerhead.dtb \
>> diff --git a/arch/arm/boot/dts/qcom/qcom-msm8926-samsung-matisselte.dts b/arch/arm/boot/dts/qcom/qcom-msm8926-samsung-matisselte.dts
>> new file mode 100644
>> index 000000000000..6e25b1a74ce5
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/qcom/qcom-msm8926-samsung-matisselte.dts
>> @@ -0,0 +1,36 @@
>> +// SPDX-License-Identifier: BSD-3-Clause
>> +/*
>> + * Copyright (c) 2022, Matti Lehtimäki <matti.lehtimaki@...il.com>
>> + * Copyright (c) 2023, Stefan Hansson <newbyte@...tmarketos.org>
>> + */
>> +
>> +/dts-v1/;
>> +
>> +#include "qcom-msm8226-samsung-matisse-common.dtsi"
>> +
>> +/ {
>> +	model = "Samsung Galaxy Tab 4 10.1 LTE";
>> +	compatible = "samsung,matisselte", "qcom,msm8926", "qcom,msm8226";
>> +	chassis-type = "tablet";
>> +};
>> +
>> +&pm8226_l3 {
>> +	regulator-max-microvolt = <1350000>;
>> +};
>> +
>> +&pm8226_s4 {
>> +	regulator-max-microvolt = <2200000>;
>> +};
>> +
>> +&reg_tsp_3p3v {
>> +	gpio = <&tlmm 32 GPIO_ACTIVE_HIGH>;
>> +};
>> +
>> +&sdhc_2 {
>> +	/* SD card fails to probe with error -110 */
>> +	status = "disabled";
> Can you give us some logs?

I tested it again just now, and it worked without issues. Maybe I used a 
defective SD card to test it or hadn't inserted it properly. I'll send 
another revision fixing this.

> Konrad

Stefan