linux-kernel - Re: [PATCH 2/3] arm64: dts: qcom: sm8650: add support for the SM8650-HDK board

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Date: Sun, 3 Mar 2024 01:26:14 +0200
From: Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>
To: Neil Armstrong <neil.armstrong@...aro.org>,
 Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konrad.dybcio@...aro.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] arm64: dts: qcom: sm8650: add support for the
 SM8650-HDK board

Hi Neil,

On 2/23/24 10:52, Neil Armstrong wrote:
> The SM8650-HDK is an embedded development platforms for the
> Snapdragon 8 Gen 3 SoC aka SM8650, with the following features:
> - Qualcomm SM8650 SoC
> - 16GiB On-board LPDDR5
> - On-board WiFi 7 + Bluetooth 5.3/BLE
> - On-board UFS4.0
> - M.2 Key B+M Gen3x2 PCIe Slot
> - HDMI Output
> - USB-C Connector with DP Almode & Audio Accessory mode
> - Micro-SDCard Slot
> - Audio Jack with Playback and Microphone
> - 2 On-board Analog microphones
> - 2 On-board Speakers
> - 96Boards Compatible Low-Speed and High-Speed connectors [1]
>    - For Camera, Sensors and external Display cards
>      - Compatible with the Linaro Debug board [2]

what are these [1] and [2] references? Probably there might be some links.

>      - SIM Slot for Modem
>      - Debug connectors
>      - 6x On-Board LEDs
> 
> Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
> ---
>   arch/arm64/boot/dts/qcom/Makefile       |    1 +
>   arch/arm64/boot/dts/qcom/sm8650-hdk.dts | 1259 +++++++++++++++++++++++++++++++
>   2 files changed, 1260 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index 7d40ec5e7d21..4f48c98451de 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -241,6 +241,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= sm8450-sony-xperia-nagara-pdx224.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= sm8550-hdk.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= sm8550-mtp.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= sm8550-qrd.dtb
> +dtb-$(CONFIG_ARCH_QCOM)	+= sm8650-hdk.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= sm8650-mtp.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= sm8650-qrd.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= x1e80100-crd.dtb
> diff --git a/arch/arm64/boot/dts/qcom/sm8650-hdk.dts b/arch/arm64/boot/dts/qcom/sm8650-hdk.dts
> new file mode 100644
> index 000000000000..cb1e0f569483

<snip>

> +
> +&i2c6 {
> +	clock-frequency = <400000>;
> +	status = "okay";
> +

<snip>

> +};
> +
> +&i2c3 {
> +       status = "okay";
> +

<snip>

> +};

Please change the order of i2c3 and i2c6.

<snip>

> +&pcie_1_phy_aux_clk {
> +	clock-frequency = <1000>;
> +};
> +

May be put the clock above after &pcie1_phy like in the list of gcc
source clocks?

> +&pcie0 {
> +	wake-gpios = <&tlmm 96 GPIO_ACTIVE_HIGH>;
> +	perst-gpios = <&tlmm 94 GPIO_ACTIVE_LOW>;
> +
> +	pinctrl-0 = <&pcie0_default_state>;
> +	pinctrl-names = "default";
> +
> +	status = "okay";
> +};
> +
> +&pcie0_phy {
> +	vdda-phy-supply = <&vreg_l1i_0p88>;
> +	vdda-pll-supply = <&vreg_l3i_1p2>;
> +
> +	status = "okay";
> +};
> +
> +&pcie1 {
> +	wake-gpios = <&tlmm 99 GPIO_ACTIVE_HIGH>;
> +	perst-gpios = <&tlmm 97 GPIO_ACTIVE_LOW>;
> +
> +	pinctrl-0 = <&pcie1_default_state>;
> +	pinctrl-names = "default";
> +
> +	status = "okay";
> +};
> +
> +&pcie1_phy {
> +	vdda-phy-supply = <&vreg_l3e_0p9>;
> +	vdda-pll-supply = <&vreg_l3i_1p2>;
> +	vdda-qref-supply = <&vreg_l1i_0p88>;
> +
> +	status = "okay";
> +};
> +

So I've found just these minor things, and I've successfully tested
the dtb on the SM8650-HDK board.

Reviewed-by: Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>
Tested-by: Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>

--
Best wishes,
Vladimir