linux-kernel - Re: [PATCH v9 4/4] arm64: dts: qcom: aim300: add AIM300 AIoT

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Date: Wed, 29 May 2024 18:18:53 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Tengfei Fan <quic_tengfan@...cinc.com>
Cc: andersson@...nel.org, konrad.dybcio@...aro.org, robh@...nel.org, 
	krzk+dt@...nel.org, conor+dt@...nel.org, linux-arm-msm@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, kernel@...cinc.com, 
	Qiang Yu <quic_qianyu@...cinc.com>, Ziyue Zhang <quic_ziyuzhan@...cinc.com>
Subject: Re: [PATCH v9 4/4] arm64: dts: qcom: aim300: add AIM300 AIoT

On Wed, May 29, 2024 at 06:09:26PM +0800, Tengfei Fan wrote:
> Add AIM300 AIoT Carrier board DTS support, including usb, UART, PCIe,
> I2C functions support.
> Here is a diagram of AIM300 AIoT Carrie Board and SoM
>  +--------------------------------------------------+
>  |             AIM300 AIOT Carrier Board            |
>  |                                                  |
>  |           +-----------------+                    |
>  |power----->| Fixed regulator |---------+          |
>  |           +-----------------+         |          |
>  |                                       |          |
>  |                                       v VPH_PWR  |
>  | +----------------------------------------------+ |
>  | |                          AIM300 SOM |        | |
>  | |                                     |VPH_PWR | |
>  | |                                     v        | |
>  | |   +-------+       +--------+     +------+    | |
>  | |   | UFS   |       | QCS8550|     |PMIC  |    | |
>  | |   +-------+       +--------+     +------+    | |
>  | |                                              | |
>  | +----------------------------------------------+ |
>  |                                                  |
>  |                    +----+          +------+      |
>  |                    |USB |          | UART |      |
>  |                    +----+          +------+      |
>  +--------------------------------------------------+
> 
> Co-developed-by: Qiang Yu <quic_qianyu@...cinc.com>
> Signed-off-by: Qiang Yu <quic_qianyu@...cinc.com>
> Co-developed-by: Ziyue Zhang <quic_ziyuzhan@...cinc.com>
> Signed-off-by: Ziyue Zhang <quic_ziyuzhan@...cinc.com>
> Signed-off-by: Tengfei Fan <quic_tengfan@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/Makefile             |   1 +
>  .../boot/dts/qcom/qcs8550-aim300-aiot.dts     | 322 ++++++++++++++++++
>  2 files changed, 323 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/qcom/qcs8550-aim300-aiot.dts

[trimmed]

> +&remoteproc_adsp {
> +	firmware-name = "qcom/qcs8550/adsp.mbn",
> +			"qcom/qcs8550/adsp_dtbs.elf";

Please excuse me, I think I missed those on the previous run.

adsp_dtb.mbn

> +	status = "okay";
> +};
> +
> +&remoteproc_cdsp {
> +	firmware-name = "qcom/qcs8550/cdsp.mbn",
> +			"qcom/qcs8550/cdsp_dtbs.elf";

cdsp_dtb.mbn

> +	status = "okay";
> +};
> +
> +&swr1 {
> +	status = "okay";
> +};
> +
> +&swr2 {
> +	status = "okay";
> +};
> +
> +&tlmm {
> +	gpio-reserved-ranges = <32 8>;
> +
> +	dsi_active: dsi-active-state {
> +		pins = "gpio133";
> +		function = "gpio";
> +		drive-strength = <8>;
> +		bias-disable;
> +	};

s/dsi/panel[-_]reset/

> +
> +	dsi_suspend: dsi-suspend-state {
> +		pins = "gpio133";
> +		function = "gpio";
> +		drive-strength = <2>;
> +		bias-pull-down;
> +	};
> +
> +	te_active: te-active-state {
> +		pins = "gpio86";
> +		function = "mdp_vsync";
> +		drive-strength = <2>;
> +		bias-pull-down;
> +	};
> +
> +	te_suspend: te-suspend-state {
> +		pins = "gpio86";
> +		function = "mdp_vsync";
> +		drive-strength = <2>;
> +		bias-pull-down;
> +	};

What is the difference between these two?

> +};

-- 
With best wishes
Dmitry