linux-kernel - Re: [PATCH v2 2/2] arm64: dts: qcom: msm8939-samsung-a7: Add initial dts

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Message-ID: <5fbba4e8-a8d9-0e99-e112-31b5781c1648@linaro.org>
Date:   Fri, 23 Jun 2023 11:27:52 +0100
From:   Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To:     "Lin, Meng-Bo" <linmengbo0689@...tonmail.com>,
        linux-kernel@...r.kernel.org
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Stephan Gerhold <stephan@...hold.net>,
        Nikita Travkin <nikita@...n.ru>, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht
Subject: Re: [PATCH v2 2/2] arm64: dts: qcom: msm8939-samsung-a7: Add initial
 dts

On 23/06/2023 11:02, Lin, Meng-Bo wrote:
> This dts adds support for Samsung Galaxy A7 smartphone released in 2015.
> 
> Add a device tree for A7 with initial support for:
> 
> - GPIO keys
> - Hall Sensor
> - SDHCI (internal and external storage)
> - USB Device Mode
> - UART (on USB connector via the SM5502 MUIC)
> - WCNSS (WiFi/BT)
> - Regulators
> - Touch key
> - Accelerometer/Magnetometer
> - Fuelgauge
> - NFC
> - Vibrator
> - Touchscreen
> 
> Signed-off-by: Lin, Meng-Bo <linmengbo0689@...tonmail.com>
> ---
>   arch/arm64/boot/dts/qcom/Makefile             |   1 +
>   .../boot/dts/qcom/msm8939-samsung-a7.dts      | 495 ++++++++++++++++++
>   2 files changed, 496 insertions(+)
>   create mode 100644 arch/arm64/boot/dts/qcom/msm8939-samsung-a7.dts
> 
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index 337abc4ceb17..23fd31d4bf5a 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -39,6 +39,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-thwc-uf896.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-thwc-ufi001c.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-wingtech-wt88047.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-yiming-uz801v3.dtb
> +dtb-$(CONFIG_ARCH_QCOM)	+= msm8939-samsung-a7.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= msm8939-sony-xperia-kanuti-tulip.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= msm8953-motorola-potter.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= msm8953-xiaomi-daisy.dtb
> diff --git a/arch/arm64/boot/dts/qcom/msm8939-samsung-a7.dts b/arch/arm64/boot/dts/qcom/msm8939-samsung-a7.dts
> new file mode 100644
> index 000000000000..66e56ac59998
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/msm8939-samsung-a7.dts
> @@ -0,0 +1,495 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +
> +/dts-v1/;
> +
> +#include "msm8939-pm8916.dtsi"
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
> +
> +/ {
> +	model = "Samsung Galaxy A7 (2015)";
> +	compatible = "samsung,a7", "qcom,msm8939";
> +	chassis-type = "handset";

Will the downstream bootloader accept this dts without

         // This is used by the bootloader to find the correct DTB
         qcom,msm-id = <239 0>;
         qcom,board-id = <0xEF08FF1 1>;

?

https://github.com/msm8916-mainline/lk2nd/blob/master/dts/msm8916/msm8939-samsung-r01.dts#L10

---
bod