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Message-ID: <01d0b807-6201-43fb-8286-df04d722610f@quicinc.com>
Date: Sat, 7 Dec 2024 23:57:54 +0800
From: "Aiqun Yu (Maria)" <quic_aiquny@...cinc.com>
To: Stephan Gerhold <stephan.gerhold@...aro.org>,
Bjorn Andersson
<andersson@...nel.org>,
Konrad Dybcio <konradybcio@...nel.org>
CC: 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>,
Abel Vesa
<abel.vesa@...aro.org>, Johan Hovold <johan@...nel.org>
Subject: Re: [PATCH] arm64: dts: qcom: x1e80100-pmics: Enable all SMB2360
separately
On 12/4/2024 12:27 AM, Stephan Gerhold wrote:
> At the moment, x1e80100-pmics.dtsi enables two of the SMB2360 PMICs by
> default and only leaves the third disabled. This was introduced in commit
One correction: it’s not only the third PMIC that is disabled. Both the
third (smb2360_2) and fourth (smb2360_3) are disabled. This information
is verified from link[1]:
[1]https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/arch/arm64/boot/dts/qcom/x1e80100-pmics.dtsi
> a237b8da413c ("arm64: dts: qcom: x1e80100: Disable SMB2360_2 by default").
> This is inconsistent and confusing. Some laptops will even need SMB2360_1
> disabled by default if they just have a single USB-C port.
>
> Make this consistent by keeping all SMB2360 disabled in x1e80100-pmics.dtsi
> and enable them separately for all boards where needed. That way it is
> always clear which ones are available and avoids accidentally trying to
> read/write from missing chips when some of the PMICs are not present.
>
> Signed-off-by: Stephan Gerhold <stephan.gerhold@...aro.org>
> ---
> arch/arm64/boot/dts/qcom/x1e001de-devkit.dts | 8 ++++++++
> arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts | 8 ++++++++
> arch/arm64/boot/dts/qcom/x1e80100-asus-vivobook-s15.dts | 8 ++++++++
> arch/arm64/boot/dts/qcom/x1e80100-crd.dts | 8 ++++++++
> arch/arm64/boot/dts/qcom/x1e80100-dell-xps13-9345.dts | 8 ++++++++
> arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts | 8 ++++++++
> arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi | 8 ++++++++
> arch/arm64/boot/dts/qcom/x1e80100-pmics.dtsi | 4 ++++
> arch/arm64/boot/dts/qcom/x1e80100-qcp.dts | 8 ++++++++
> 9 files changed, 68 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/x1e001de-devkit.dts b/arch/arm64/boot/dts/qcom/x1e001de-devkit.dts
> index c9db6298d528ed505bae08e91bf4da02faef7d76..c3ec0bb2c42dfed9f5e9f56f18874b4ae6c0632c 100644
> --- a/arch/arm64/boot/dts/qcom/x1e001de-devkit.dts
> +++ b/arch/arm64/boot/dts/qcom/x1e001de-devkit.dts
> @@ -1062,11 +1062,19 @@ &remoteproc_cdsp {
> status = "okay";
> };
>
> +&smb2360_0 {
> + status = "okay";
> +};
> +
> &smb2360_0_eusb2_repeater {
> vdd18-supply = <&vreg_l3d_1p8>;
> vdd3-supply = <&vreg_l2b_3p0>;
> };
>
> +&smb2360_1 {
> + status = "okay";
> +};
> +
> &smb2360_1_eusb2_repeater {
> vdd18-supply = <&vreg_l3d_1p8>;
> vdd3-supply = <&vreg_l14b_3p0>;
> diff --git a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts
> index 975550139e1024420ed335a2a46e4d54df7ee423..4097d2677285757ce67eef76d8d17669c7130001 100644
> --- a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts
> +++ b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts
> @@ -635,11 +635,19 @@ &remoteproc_cdsp {
> status = "okay";
> };
>
> +&smb2360_0 {
> + status = "okay";
> +};
> +
> &smb2360_0_eusb2_repeater {
> vdd18-supply = <&vreg_l3d_1p8>;
> vdd3-supply = <&vreg_l2b_3p0>;
> };
>
> +&smb2360_1 {
> + status = "okay";
> +};
> +
> &smb2360_1_eusb2_repeater {
> vdd18-supply = <&vreg_l3d_1p8>;
> vdd3-supply = <&vreg_l14b_3p0>;
> diff --git a/arch/arm64/boot/dts/qcom/x1e80100-asus-vivobook-s15.dts b/arch/arm64/boot/dts/qcom/x1e80100-asus-vivobook-s15.dts
> index f25991b887de3fca0092c5f81c881c5d8bd71aac..10f140ed08f47f2cd96e953d4ad3c75f3aad002a 100644
> --- a/arch/arm64/boot/dts/qcom/x1e80100-asus-vivobook-s15.dts
> +++ b/arch/arm64/boot/dts/qcom/x1e80100-asus-vivobook-s15.dts
> @@ -501,11 +501,19 @@ &remoteproc_cdsp {
> status = "okay";
> };
>
> +&smb2360_0 {
> + status = "okay";
> +};
> +
> &smb2360_0_eusb2_repeater {
> vdd18-supply = <&vreg_l3d_1p8>;
> vdd3-supply = <&vreg_l2b_3p0>;
> };
>
> +&smb2360_1 {
> + status = "okay";
> +};
> +
> &smb2360_1_eusb2_repeater {
> vdd18-supply = <&vreg_l3d_1p8>;
> vdd3-supply = <&vreg_l14b_3p0>;
> diff --git a/arch/arm64/boot/dts/qcom/x1e80100-crd.dts b/arch/arm64/boot/dts/qcom/x1e80100-crd.dts
> index 39f9d9cdc10d8e79824b72288e2529536144fa9e..81c519e690f325f2d4d36c4a99061649da65ec87 100644
> --- a/arch/arm64/boot/dts/qcom/x1e80100-crd.dts
> +++ b/arch/arm64/boot/dts/qcom/x1e80100-crd.dts
> @@ -932,11 +932,19 @@ &remoteproc_cdsp {
> status = "okay";
> };
>
> +&smb2360_0 {
> + status = "okay";
> +};
> +
> &smb2360_0_eusb2_repeater {
> vdd18-supply = <&vreg_l3d_1p8>;
> vdd3-supply = <&vreg_l2b_3p0>;
> };
>
> +&smb2360_1 {
> + status = "okay";
> +};
> +
> &smb2360_1_eusb2_repeater {
> vdd18-supply = <&vreg_l3d_1p8>;
> vdd3-supply = <&vreg_l14b_3p0>;
> diff --git a/arch/arm64/boot/dts/qcom/x1e80100-dell-xps13-9345.dts b/arch/arm64/boot/dts/qcom/x1e80100-dell-xps13-9345.dts
> index b112092fbb9fd955adca1ae8a76294c776fa2d1e..288e818961670be0d25b696730e7186a8d61b56e 100644
> --- a/arch/arm64/boot/dts/qcom/x1e80100-dell-xps13-9345.dts
> +++ b/arch/arm64/boot/dts/qcom/x1e80100-dell-xps13-9345.dts
> @@ -905,11 +905,19 @@ &remoteproc_cdsp {
> status = "okay";
> };
>
> +&smb2360_0 {
> + status = "okay";
> +};
> +
> &smb2360_0_eusb2_repeater {
> vdd18-supply = <&vreg_l3d_1p8>;
> vdd3-supply = <&vreg_l2b_3p0>;
> };
>
> +&smb2360_1 {
> + status = "okay";
> +};
> +
> &smb2360_1_eusb2_repeater {
> vdd18-supply = <&vreg_l3d_1p8>;
> vdd3-supply = <&vreg_l14b_3p0>;
> diff --git a/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts b/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
> index ca5a808f2c7df66a861a933df407fd4bdaea3fe1..3d7e0230dc0381a2c2a3b0c5b766f5b854777937 100644
> --- a/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
> +++ b/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
> @@ -717,11 +717,19 @@ &remoteproc_cdsp {
> status = "okay";
> };
>
> +&smb2360_0 {
> + status = "okay";
> +};
> +
> &smb2360_0_eusb2_repeater {
> vdd18-supply = <&vreg_l3d_1p8>;
> vdd3-supply = <&vreg_l2b_3p0>;
> };
>
> +&smb2360_1 {
> + status = "okay";
> +};
> +
> &smb2360_1_eusb2_repeater {
> vdd18-supply = <&vreg_l3d_1p8>;
> vdd3-supply = <&vreg_l14b_3p0>;
> diff --git a/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi b/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi
> index 6835fdeef3aec10206e8b2839d23e4f3494afe1e..6941945b2f9a7e7b11598705fa22d3a6f2cc01c7 100644
> --- a/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi
> +++ b/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi
> @@ -718,11 +718,19 @@ &remoteproc_cdsp {
> status = "okay";
> };
>
> +&smb2360_0 {
> + status = "okay";
> +};
> +
> &smb2360_0_eusb2_repeater {
> vdd18-supply = <&vreg_l3d>;
> vdd3-supply = <&vreg_l2b>;
> };
>
> +&smb2360_1 {
> + status = "okay";
> +};
> +
> &smb2360_1_eusb2_repeater {
> vdd18-supply = <&vreg_l3d>;
> vdd3-supply = <&vreg_l14b>;
> diff --git a/arch/arm64/boot/dts/qcom/x1e80100-pmics.dtsi b/arch/arm64/boot/dts/qcom/x1e80100-pmics.dtsi
> index 5b54ee79f048e3208cbcd6f91e0cec073420fe63..d7a2a2b8fc6c30bdb10df81eac7d92306998838f 100644
> --- a/arch/arm64/boot/dts/qcom/x1e80100-pmics.dtsi
> +++ b/arch/arm64/boot/dts/qcom/x1e80100-pmics.dtsi
> @@ -491,6 +491,8 @@ smb2360_0: pmic@7 {
> #address-cells = <1>;
> #size-cells = <0>;
>
> + status = "disabled";
> +
> smb2360_0_eusb2_repeater: phy@...0 {
> compatible = "qcom,smb2360-eusb2-repeater";
> reg = <0xfd00>;
> @@ -504,6 +506,8 @@ smb2360_1: pmic@a {
> #address-cells = <1>;
> #size-cells = <0>;
>
> + status = "disabled";
> +
> smb2360_1_eusb2_repeater: phy@...0 {
> compatible = "qcom,smb2360-eusb2-repeater";
> reg = <0xfd00>;
> diff --git a/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts b/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts
> index 5ef030c60abe2998d093ee60a6754a90cd5aaf72..ffd28fd8059895ec345f4ee8fe6a2c37e7989747 100644
> --- a/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts
> +++ b/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts
> @@ -731,11 +731,19 @@ &remoteproc_cdsp {
> status = "okay";
> };
>
> +&smb2360_0 {
> + status = "okay";
> +};
> +
> &smb2360_0_eusb2_repeater {
> vdd18-supply = <&vreg_l3d_1p8>;
> vdd3-supply = <&vreg_l2b_3p0>;
> };
>
> +&smb2360_1 {
> + status = "okay";
> +};
> +
> &smb2360_1_eusb2_repeater {
> vdd18-supply = <&vreg_l3d_1p8>;
> vdd3-supply = <&vreg_l14b_3p0>;
>
> ---
> base-commit: 12b080aaf4275c579c91106ed926044b4d5df0af
> change-id: 20241129-x1e80100-disable-smb2360-20cec1656411
>
> Best regards,
--
Thx and BRs,
Aiqun(Maria) Yu
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