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Message-ID: <Zxiq6Dx4eU1PNvzY@linaro.org>
Date: Wed, 23 Oct 2024 10:51:04 +0300
From: Abel Vesa <abel.vesa@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>
Cc: Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org,
Konrad Dybcio <konradybcio@...nel.org>,
Rajendra Nayak <quic_rjendra@...cinc.com>,
Sibi Sankar <quic_sibis@...cinc.com>,
Johan Hovold <johan@...nel.org>,
Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
Trilok Soni <quic_tsoni@...cinc.com>, linux-kernel@...r.kernel.org,
linux-usb@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v3 3/4] arm64: dts: qcom: x1e80100-crd: Add Parade PS8830
related nodes
On 24-10-22 19:24:19, Bjorn Andersson wrote:
> On Tue, Oct 22, 2024 at 01:26:56PM GMT, Abel Vesa wrote:
> > Add nodes for all 3 Parade PS8830 Type-C retimers found on Qualcomm
> > X Elite CRD board, along with all of their voltage regulators. These
> > retimers sit between the Type-C connectors and the PHYs, so describe the
> > pmic glink graph accordingly. On this board, these retimers might be left
> ^ Here would be a good point to split this hunk into two paragraphs.
Will do.
>
> > enabled and configured by the bootloader, so make sure the retimers don't
> > reset their configuration on driver probe.
>
> It would be nice if there was a hint here about how this statement
> manifest itself in the patch.
I'll add the property in the phrasing.
>
>
> Hint:
> https://docs.kernel.org/process/submitting-patches.html#describe-your-changes
> is a good read for how to structure ones commit message - with a problem
> description, then a technical description of the change (i.e. probably
> not something starting with the word "Add"...)
Sure, will reword with "Describe all 3 Parade ...".
>
> Regards,
> Bjorn
Thanks for reviewing.
Abel
>
> >
> > Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
> > ---
> > arch/arm64/boot/dts/qcom/x1e80100-crd.dts | 448 +++++++++++++++++++++++++++++-
> > 1 file changed, 442 insertions(+), 6 deletions(-)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/x1e80100-crd.dts b/arch/arm64/boot/dts/qcom/x1e80100-crd.dts
> > index f5f2659690915f9ba50d15a27c54e3c0f504a14b..7cc45a5cd7eb7e70915d04ea7e181b56f693f768 100644
> > --- a/arch/arm64/boot/dts/qcom/x1e80100-crd.dts
> > +++ b/arch/arm64/boot/dts/qcom/x1e80100-crd.dts
> > @@ -99,7 +99,15 @@ port@1 {
> > reg = <1>;
> >
> > pmic_glink_ss0_ss_in: endpoint {
> > - remote-endpoint = <&usb_1_ss0_qmpphy_out>;
> > + remote-endpoint = <&retimer_ss0_ss_out>;
> > + };
> > + };
> > +
> > + port@2 {
> > + reg = <2>;
> > +
> > + pmic_glink_ss0_con_sbu_in: endpoint {
> > + remote-endpoint = <&retimer_ss0_con_sbu_out>;
> > };
> > };
> > };
> > @@ -128,7 +136,15 @@ port@1 {
> > reg = <1>;
> >
> > pmic_glink_ss1_ss_in: endpoint {
> > - remote-endpoint = <&usb_1_ss1_qmpphy_out>;
> > + remote-endpoint = <&retimer_ss1_ss_out>;
> > + };
> > + };
> > +
> > + port@2 {
> > + reg = <2>;
> > +
> > + pmic_glink_ss1_con_sbu_in: endpoint {
> > + remote-endpoint = <&retimer_ss1_con_sbu_out>;
> > };
> > };
> > };
> > @@ -157,7 +173,15 @@ port@1 {
> > reg = <1>;
> >
> > pmic_glink_ss2_ss_in: endpoint {
> > - remote-endpoint = <&usb_1_ss2_qmpphy_out>;
> > + remote-endpoint = <&retimer_ss2_ss_out>;
> > + };
> > + };
> > +
> > + port@2 {
> > + reg = <2>;
> > +
> > + pmic_glink_ss2_con_sbu_in: endpoint {
> > + remote-endpoint = <&retimer_ss2_con_sbu_out>;
> > };
> > };
> > };
> > @@ -291,6 +315,150 @@ vreg_nvme: regulator-nvme {
> > pinctrl-0 = <&nvme_reg_en>;
> > };
> >
> > + vreg_rtmr0_1p15: regulator-rtmr0-1p15 {
> > + compatible = "regulator-fixed";
> > +
> > + regulator-name = "VREG_RTMR0_1P15";
> > + regulator-min-microvolt = <1150000>;
> > + regulator-max-microvolt = <1150000>;
> > +
> > + gpio = <&pmc8380_5_gpios 8 GPIO_ACTIVE_HIGH>;
> > + enable-active-high;
> > +
> > + pinctrl-0 = <&rtmr0_1p15_reg_en>;
> > + pinctrl-names = "default";
> > +
> > + regulator-boot-on;
> > + };
> > +
> > + vreg_rtmr0_1p8: regulator-rtmr0-1p8 {
> > + compatible = "regulator-fixed";
> > +
> > + regulator-name = "VREG_RTMR0_1P8";
> > + regulator-min-microvolt = <1800000>;
> > + regulator-max-microvolt = <1800000>;
> > +
> > + gpio = <&pm8550ve_9_gpios 8 GPIO_ACTIVE_HIGH>;
> > + enable-active-high;
> > +
> > + pinctrl-0 = <&rtmr0_1p8_reg_en>;
> > + pinctrl-names = "default";
> > +
> > + regulator-boot-on;
> > + };
> > +
> > + vreg_rtmr0_3p3: regulator-rtmr0-3p3 {
> > + compatible = "regulator-fixed";
> > +
> > + regulator-name = "VREG_RTMR0_3P3";
> > + regulator-min-microvolt = <3300000>;
> > + regulator-max-microvolt = <3300000>;
> > +
> > + gpio = <&pm8550_gpios 11 GPIO_ACTIVE_HIGH>;
> > + enable-active-high;
> > +
> > + pinctrl-0 = <&rtmr0_3p3_reg_en>;
> > + pinctrl-names = "default";
> > +
> > + regulator-boot-on;
> > + };
> > +
> > + vreg_rtmr1_1p15: regulator-rtmr1-1p15 {
> > + compatible = "regulator-fixed";
> > +
> > + regulator-name = "VREG_RTMR1_1P15";
> > + regulator-min-microvolt = <1150000>;
> > + regulator-max-microvolt = <1150000>;
> > +
> > + gpio = <&tlmm 188 GPIO_ACTIVE_HIGH>;
> > + enable-active-high;
> > +
> > + pinctrl-0 = <&rtmr1_1p15_reg_en>;
> > + pinctrl-names = "default";
> > +
> > + regulator-boot-on;
> > + };
> > +
> > + vreg_rtmr1_1p8: regulator-rtmr1-1p8 {
> > + compatible = "regulator-fixed";
> > +
> > + regulator-name = "VREG_RTMR1_1P8";
> > + regulator-min-microvolt = <1800000>;
> > + regulator-max-microvolt = <1800000>;
> > +
> > + gpio = <&tlmm 175 GPIO_ACTIVE_HIGH>;
> > + enable-active-high;
> > +
> > + pinctrl-0 = <&rtmr1_1p8_reg_en>;
> > + pinctrl-names = "default";
> > +
> > + regulator-boot-on;
> > + };
> > +
> > + vreg_rtmr1_3p3: regulator-rtmr1-3p3 {
> > + compatible = "regulator-fixed";
> > +
> > + regulator-name = "VREG_RTMR1_3P3";
> > + regulator-min-microvolt = <3300000>;
> > + regulator-max-microvolt = <3300000>;
> > +
> > + gpio = <&tlmm 186 GPIO_ACTIVE_HIGH>;
> > + enable-active-high;
> > +
> > + pinctrl-0 = <&rtmr1_3p3_reg_en>;
> > + pinctrl-names = "default";
> > +
> > + regulator-boot-on;
> > + };
> > +
> > + vreg_rtmr2_1p15: regulator-rtmr2-1p15 {
> > + compatible = "regulator-fixed";
> > +
> > + regulator-name = "VREG_RTMR2_1P15";
> > + regulator-min-microvolt = <1150000>;
> > + regulator-max-microvolt = <1150000>;
> > +
> > + gpio = <&tlmm 189 GPIO_ACTIVE_HIGH>;
> > + enable-active-high;
> > +
> > + pinctrl-0 = <&rtmr2_1p15_reg_en>;
> > + pinctrl-names = "default";
> > +
> > + regulator-boot-on;
> > + };
> > +
> > + vreg_rtmr2_1p8: regulator-rtmr2-1p8 {
> > + compatible = "regulator-fixed";
> > +
> > + regulator-name = "VREG_RTMR2_1P8";
> > + regulator-min-microvolt = <1800000>;
> > + regulator-max-microvolt = <1800000>;
> > +
> > + gpio = <&tlmm 126 GPIO_ACTIVE_HIGH>;
> > + enable-active-high;
> > +
> > + pinctrl-0 = <&rtmr2_1p8_reg_en>;
> > + pinctrl-names = "default";
> > +
> > + regulator-boot-on;
> > + };
> > +
> > + vreg_rtmr2_3p3: regulator-rtmr2-3p3 {
> > + compatible = "regulator-fixed";
> > +
> > + regulator-name = "VREG_RTMR2_3P3";
> > + regulator-min-microvolt = <3300000>;
> > + regulator-max-microvolt = <3300000>;
> > +
> > + gpio = <&tlmm 187 GPIO_ACTIVE_HIGH>;
> > + enable-active-high;
> > +
> > + pinctrl-0 = <&rtmr2_3p3_reg_en>;
> > + pinctrl-names = "default";
> > +
> > + regulator-boot-on;
> > + };
> > +
> > vph_pwr: regulator-vph-pwr {
> > compatible = "regulator-fixed";
> >
> > @@ -709,6 +877,187 @@ keyboard@3a {
> > };
> > };
> >
> > +&i2c1 {
> > + clock-frequency = <400000>;
> > +
> > + status = "okay";
> > +
> > + typec-mux@8 {
> > + compatible = "parade,ps8830";
> > + reg = <0x08>;
> > +
> > + clocks = <&rpmhcc RPMH_RF_CLK5>;
> > + clock-names = "xo";
> > +
> > + vdd-supply = <&vreg_rtmr2_1p15>;
> > + vdd33-supply = <&vreg_rtmr2_3p3>;
> > + vdd33-cap-supply = <&vreg_rtmr2_3p3>;
> > + vddar-supply = <&vreg_rtmr2_1p15>;
> > + vddat-supply = <&vreg_rtmr2_1p15>;
> > + vddio-supply = <&vreg_rtmr2_1p8>;
> > +
> > + reset-gpios = <&tlmm 185 GPIO_ACTIVE_LOW>;
> > +
> > + pinctrl-0 = <&rtmr2_default>;
> > + pinctrl-names = "default";
> > +
> > + orientation-switch;
> > + retimer-switch;
> > +
> > + ps8830,boot-on;
> > +
> > + ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + port@0 {
> > + reg = <0>;
> > +
> > + retimer_ss2_ss_out: endpoint {
> > + remote-endpoint = <&pmic_glink_ss2_ss_in>;
> > + };
> > + };
> > +
> > + port@1 {
> > + reg = <1>;
> > +
> > + retimer_ss2_ss_in: endpoint {
> > + remote-endpoint = <&usb_1_ss2_qmpphy_out>;
> > + };
> > + };
> > +
> > + port@2 {
> > + reg = <2>;
> > +
> > + retimer_ss2_con_sbu_out: endpoint {
> > + remote-endpoint = <&pmic_glink_ss2_con_sbu_in>;
> > + };
> > + };
> > + };
> > + };
> > +};
> > +
> > +&i2c3 {
> > + clock-frequency = <400000>;
> > +
> > + status = "okay";
> > +
> > + typec-mux@8 {
> > + compatible = "parade,ps8830";
> > + reg = <0x08>;
> > +
> > + clocks = <&rpmhcc RPMH_RF_CLK3>;
> > + clock-names = "xo";
> > +
> > + vdd-supply = <&vreg_rtmr0_1p15>;
> > + vdd33-supply = <&vreg_rtmr0_3p3>;
> > + vdd33-cap-supply = <&vreg_rtmr0_3p3>;
> > + vddar-supply = <&vreg_rtmr0_1p15>;
> > + vddat-supply = <&vreg_rtmr0_1p15>;
> > + vddio-supply = <&vreg_rtmr0_1p8>;
> > +
> > + reset-gpios = <&pm8550_gpios 10 GPIO_ACTIVE_LOW>;
> > +
> > + pinctrl-0 = <&rtmr0_default>;
> > + pinctrl-names = "default";
> > +
> > + retimer-switch;
> > + orientation-switch;
> > +
> > + ps8830,boot-on;
> > +
> > + ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + port@0 {
> > + reg = <0>;
> > +
> > + retimer_ss0_ss_out: endpoint {
> > + remote-endpoint = <&pmic_glink_ss0_ss_in>;
> > + };
> > + };
> > +
> > + port@1 {
> > + reg = <1>;
> > +
> > + retimer_ss0_ss_in: endpoint {
> > + remote-endpoint = <&usb_1_ss0_qmpphy_out>;
> > + };
> > + };
> > +
> > + port@2 {
> > + reg = <2>;
> > +
> > + retimer_ss0_con_sbu_out: endpoint {
> > + remote-endpoint = <&pmic_glink_ss0_con_sbu_in>;
> > + };
> > + };
> > + };
> > + };
> > +};
> > +
> > +&i2c7 {
> > + clock-frequency = <400000>;
> > +
> > + status = "okay";
> > +
> > + typec-mux@8 {
> > + compatible = "parade,ps8830";
> > + reg = <0x8>;
> > +
> > + clocks = <&rpmhcc RPMH_RF_CLK4>;
> > + clock-names = "xo";
> > +
> > + vdd-supply = <&vreg_rtmr1_1p15>;
> > + vdd33-supply = <&vreg_rtmr1_3p3>;
> > + vdd33-cap-supply = <&vreg_rtmr1_3p3>;
> > + vddar-supply = <&vreg_rtmr1_1p15>;
> > + vddat-supply = <&vreg_rtmr1_1p15>;
> > + vddio-supply = <&vreg_rtmr1_1p8>;
> > +
> > + reset-gpios = <&tlmm 176 GPIO_ACTIVE_LOW>;
> > +
> > + pinctrl-0 = <&rtmr1_default>;
> > + pinctrl-names = "default";
> > +
> > + retimer-switch;
> > + orientation-switch;
> > +
> > + ps8830,boot-on;
> > +
> > + ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + port@0 {
> > + reg = <0>;
> > +
> > + retimer_ss1_ss_out: endpoint {
> > + remote-endpoint = <&pmic_glink_ss1_ss_in>;
> > + };
> > + };
> > +
> > + port@1 {
> > + reg = <1>;
> > +
> > + retimer_ss1_ss_in: endpoint {
> > + remote-endpoint = <&usb_1_ss1_qmpphy_out>;
> > + };
> > + };
> > +
> > + port@2 {
> > + reg = <2>;
> > +
> > + retimer_ss1_con_sbu_out: endpoint {
> > + remote-endpoint = <&pmic_glink_ss1_con_sbu_in>;
> > + };
> > + };
> > +
> > + };
> > + };
> > +};
> > +
> > &i2c8 {
> > clock-frequency = <400000>;
> >
> > @@ -854,6 +1203,37 @@ &pcie6a_phy {
> > status = "okay";
> > };
> >
> > +&pm8550_gpios {
> > + rtmr0_default: rtmr0-reset-n-active-state {
> > + pins = "gpio10";
> > + function = "normal";
> > + power-source = <1>; /* 1.8V */
> > + };
> > +
> > + rtmr0_3p3_reg_en: rtmr0-3p3-reg-en-state {
> > + pins = "gpio11";
> > + function = "normal";
> > + power-source = <1>; /* 1.8V */
> > + };
> > +};
> > +
> > +&pmc8380_5_gpios {
> > + rtmr0_1p15_reg_en: rtmr0-1p15-reg-en-state {
> > + pins = "gpio8";
> > + function = "normal";
> > + power-source = <1>; /* 1.8V */
> > + bias-disable;
> > + };
> > +};
> > +
> > +&pm8550ve_9_gpios {
> > + rtmr0_1p8_reg_en: rtmr0-1p8-reg-en-state {
> > + pins = "gpio8";
> > + function = "normal";
> > + power-source = <1>; /* 1.8V */
> > + };
> > +};
> > +
> > &pmc8380_3_gpios {
> > edp_bl_en: edp-bl-en-state {
> > pins = "gpio4";
> > @@ -1093,6 +1473,62 @@ wake-n-pins {
> > };
> > };
> >
> > + rtmr1_1p15_reg_en: rtmr1-1p15-reg-en-state {
> > + pins = "gpio188";
> > + function = "gpio";
> > + drive-strength = <2>;
> > + bias-disable;
> > + };
> > +
> > + rtmr1_1p8_reg_en: rtmr1-1p8-reg-en-state {
> > + pins = "gpio175";
> > + function = "gpio";
> > + drive-strength = <2>;
> > + bias-disable;
> > + };
> > +
> > + rtmr1_3p3_reg_en: rtmr1-3p3-reg-en-state {
> > + pins = "gpio186";
> > + function = "gpio";
> > + drive-strength = <2>;
> > + bias-disable;
> > + };
> > +
> > + rtmr1_default: rtmr1-reset-n-active-state {
> > + pins = "gpio176";
> > + function = "gpio";
> > + drive-strength = <2>;
> > + bias-disable;
> > + };
> > +
> > + rtmr2_1p15_reg_en: rtmr2-1p15-reg-en-state {
> > + pins = "gpio189";
> > + function = "gpio";
> > + drive-strength = <2>;
> > + bias-disable;
> > + };
> > +
> > + rtmr2_1p8_reg_en: rtmr2-1p8-reg-en-state {
> > + pins = "gpio126";
> > + function = "gpio";
> > + drive-strength = <2>;
> > + bias-disable;
> > + };
> > +
> > + rtmr2_3p3_reg_en: rtmr2-3p3-reg-en-state {
> > + pins = "gpio187";
> > + function = "gpio";
> > + drive-strength = <2>;
> > + bias-disable;
> > + };
> > +
> > + rtmr2_default: rtmr2-reset-n-active-state {
> > + pins = "gpio185";
> > + function = "gpio";
> > + drive-strength = <2>;
> > + bias-disable;
> > + };
> > +
> > tpad_default: tpad-default-state {
> > pins = "gpio3";
> > function = "gpio";
> > @@ -1160,7 +1596,7 @@ &usb_1_ss0_dwc3_hs {
> > };
> >
> > &usb_1_ss0_qmpphy_out {
> > - remote-endpoint = <&pmic_glink_ss0_ss_in>;
> > + remote-endpoint = <&retimer_ss0_ss_in>;
> > };
> >
> > &usb_1_ss1_hsphy {
> > @@ -1188,7 +1624,7 @@ &usb_1_ss1_dwc3_hs {
> > };
> >
> > &usb_1_ss1_qmpphy_out {
> > - remote-endpoint = <&pmic_glink_ss1_ss_in>;
> > + remote-endpoint = <&retimer_ss1_ss_in>;
> > };
> >
> > &usb_1_ss2_hsphy {
> > @@ -1216,5 +1652,5 @@ &usb_1_ss2_dwc3_hs {
> > };
> >
> > &usb_1_ss2_qmpphy_out {
> > - remote-endpoint = <&pmic_glink_ss2_ss_in>;
> > + remote-endpoint = <&retimer_ss2_ss_in>;
> > };
> >
> > --
> > 2.34.1
> >
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