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Message-ID: <CAA8EJpoeAeitC=_pbAxFATfxx8UK-4cAQ=Zr3nKc0jhAdoG5fg@mail.gmail.com>
Date: Tue, 11 Jul 2023 13:44:11 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: Andy Gross <agross@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Marijn Suijten <marijn.suijten@...ainline.org>,
linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: qrb2210-rb1: Add regulators
On Tue, 11 Jul 2023 at 13:28, Konrad Dybcio <konrad.dybcio@...aro.org> wrote:
>
> Add and assign RPM regulators coming from PM2250.
>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
> arch/arm64/boot/dts/qcom/qrb2210-rb1.dts | 266 +++++++++++++++++++++++++++++++
> 1 file changed, 266 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
> index ef3616093289..eadba066972e 100644
> --- a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
> +++ b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
> @@ -38,6 +38,91 @@ key-volume-up {
> wakeup-source;
> };
> };
> +
> + vreg_hdmi_out_1p2: regulator-hdmi-out-1p2 {
> + compatible = "regulator-fixed";
> + regulator-name = "VREG_HDMI_OUT_1P2";
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + vin-supply = <&vdc_1v2>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + lt9611_3v3: regulator-lt9611-3v3 {
> + compatible = "regulator-fixed";
> + regulator-name = "LT9611_3V3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + vin-supply = <&vdc_3v3>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + /* Main barrel jack input */
> + vdc_12v: regulator-vdc-12v {
> + compatible = "regulator-fixed";
> + regulator-name = "DC_12V";
> + regulator-min-microvolt = <12000000>;
> + regulator-max-microvolt = <12000000>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + /* 1.2V supply stepped down from the barrel jack input */
> + vdc_1v2: regulator-vdc-1v2 {
> + compatible = "regulator-fixed";
> + regulator-name = "VDC_1V2";
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + vin-supply = <&vdc_12v>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + /* 3.3V supply stepped down from the barrel jack input */
> + vdc_3v3: regulator-vdc-3v3 {
> + compatible = "regulator-fixed";
> + regulator-name = "VDC_3V3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + vin-supply = <&vdc_12v>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + /* 5V supply stepped down from the barrel jack input */
> + vdc_5v: regulator-vdc-5v {
> + compatible = "regulator-fixed";
> + regulator-name = "VDC_5V";
> +
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + /* "Battery" voltage for the SoM, stepped down from the barrel jack input */
> + vdc_vbat_som: regulator-vdc-vbat {
> + compatible = "regulator-fixed";
> + regulator-name = "VBAT_SOM";
> + regulator-min-microvolt = <4200000>;
> + regulator-max-microvolt = <4200000>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + /* PM2250 charger out, supplied by VBAT */
> + vph_pwr: regulator-vph-pwr {
> + compatible = "regulator-fixed";
> + regulator-name = "vph_pwr";
> + regulator-min-microvolt = <3700000>;
> + regulator-max-microvolt = <3700000>;
> + vin-supply = <&vdc_vbat_som>;
> +
> + regulator-always-on;
> + regulator-boot-on;
> + };
> };
>
> &pm2250_resin {
> @@ -49,7 +134,183 @@ &qupv3_id_0 {
> status = "okay";
> };
>
> +&rpm_requests {
> + regulators {
> + compatible = "qcom,rpm-pm2250-regulators";
> + vdd_s3-supply = <&vph_pwr>;
> + vdd_s4-supply = <&vph_pwr>;
> + vdd_l1_l2_l3_l5_l6_l7_l8_l9_l10_l11_l12-supply = <&pm2250_s3>;
> + vdd_l4_l17_l18_l19_l20_l21_l22-supply = <&vph_pwr>;
> + vdd_l13_l14_l15_l16-supply = <&pm2250_s4>;
> +
> + /*
> + * S1 - VDD_APC
> + * S2 - VDD_CX
> + */
> +
> + pm2250_s3: s3 {
> + /* 0.4V-1.6625V -> 1.3V (Power tree requirements) */
> + regulator-min-microvolts = <1350000>;
> + regulator-max-microvolts = <1350000>;
> + regulator-boot-on;
> + };
> +
> + pm2250_s4: s4 {
> + /* 1.2V-2.35V -> 2.05V (Power tree requirements) */
> + regulator-min-microvolts = <2072000>;
> + regulator-max-microvolts = <2072000>;
> + regulator-boot-on;
Do you still need this with the proper foo-supply in place?
> + };
> +
> + /* L1 - VDD_MX */
> +
> + pm2250_l2: l2 {
> + /* LPDDR4X VDD2 */
> + regulator-min-microvolts = <1136000>;
> + regulator-max-microvolts = <1136000>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + pm2250_l3: l3 {
> + /* LPDDR4X VDDQ */
> + regulator-min-microvolts = <616000>;
> + regulator-max-microvolts = <616000>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + pm2250_l4: l4 {
> + /* max = 3.05V -> max = just below 3V (SDHCI2) */
> + regulator-min-microvolts = <1648000>;
> + regulator-max-microvolts = <2992000>;
> + regulator-allow-set-load;
> + };
> +
> + pm2250_l5: l5 {
> + /* CSI/DSI */
> + regulator-min-microvolts = <1232000>;
> + regulator-max-microvolts = <1232000>;
> + regulator-allow-set-load;
> + regulator-boot-on;
why?
> + };
> +
> + pm2250_l6: l6 {
> + /* DRAM PLL */
> + regulator-min-microvolts = <928000>;
> + regulator-max-microvolts = <928000>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + pm2250_l7: l7 {
> + /* Wi-Fi CX/MX */
> + regulator-min-microvolts = <664000>;
> + regulator-max-microvolts = <664000>;
> + };
> +
> + /*
> + * L8 - VDD_LPI_CX
> + * L9 - VDD_LPI_MX
> + */
> +
> + pm2250_l10: l10 {
> + /* Wi-Fi RFA */
> + regulator-min-microvolts = <1300000>;
> + regulator-max-microvolts = <1300000>;
> + };
> +
> + pm2250_l11: l11 {
> + /* GPS RF1 */
> + regulator-min-microvolts = <1000000>;
> + regulator-max-microvolts = <1000000>;
> + regulator-boot-on;
Shouldn't it be handled by the modem on its own?
> + };
> +
> + pm2250_l12: l12 {
> + /* USB PHYs */
> + regulator-min-microvolts = <928000>;
> + regulator-max-microvolts = <928000>;
> + regulator-allow-set-load;
> + regulator-boot-on;
You guess the question (and further on)
> + };
> +
> + pm2250_l13: l13 {
> + /* USB/QFPROM/PLLs */
> + regulator-min-microvolts = <1800000>;
> + regulator-max-microvolts = <1800000>;
> + regulator-allow-set-load;
> + regulator-boot-on;
> + };
> +
> + pm2250_l14: l14 {
> + /* SDHCI1 VQMMC */
> + regulator-min-microvolts = <1800000>;
> + regulator-max-microvolts = <1800000>;
> + regulator-allow-set-load;
> + /* Broken hardware, never turn it off! */
> + regulator-always-on;
> + };
> +
> + pm2250_l15: l15 {
> + /* WCD/DSI/BT VDDIO */
> + regulator-min-microvolts = <1800000>;
> + regulator-max-microvolts = <1800000>;
> + regulator-allow-set-load;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + pm2250_l16: l16 {
> + /* GPS RF2 */
> + regulator-min-microvolts = <1800000>;
> + regulator-max-microvolts = <1800000>;
> + regulator-boot-on;
> + };
> +
> + pm2250_l17: l17 {
> + regulator-min-microvolts = <3000000>;
> + regulator-max-microvolts = <3000000>;
> + };
> +
> + pm2250_l18: l18 {
> + /* VDD_PXn */
> + regulator-min-microvolts = <1800000>;
> + regulator-max-microvolts = <1800000>;
> + };
> +
> + pm2250_l19: l19 {
> + /* VDD_PXn */
> + regulator-min-microvolts = <1800000>;
> + regulator-max-microvolts = <1800000>;
> + };
> +
> + pm2250_l20: l20 {
> + /* SDHCI1 VMMC */
> + regulator-min-microvolts = <2856000>;
> + regulator-max-microvolts = <2856000>;
> + regulator-allow-set-load;
> + };
> +
> + pm2250_l21: l21 {
> + /* SDHCI2 VMMC */
> + regulator-min-microvolts = <2960000>;
> + regulator-max-microvolts = <3300000>;
> + regulator-allow-set-load;
> + regulator-boot-on;
> + };
> +
> + pm2250_l22: l22 {
> + /* Wi-Fi */
> + regulator-min-microvolts = <3312000>;
> + regulator-max-microvolts = <3312000>;
> + };
> + };
> +};
> +
> &sdhc_1 {
> + vmmc-supply = <&pm2250_l20>;
> + vqmmc-supply = <&pm2250_l14>;
> pinctrl-0 = <&sdc1_state_on>;
> pinctrl-1 = <&sdc1_state_off>;
> pinctrl-names = "default", "sleep";
> @@ -61,6 +322,8 @@ &sdhc_1 {
> };
>
> &sdhc_2 {
> + vmmc-supply = <&pm2250_l21>;
> + vqmmc-supply = <&pm2250_l4>;
> cd-gpios = <&tlmm 88 GPIO_ACTIVE_LOW>;
> pinctrl-0 = <&sdc2_state_on &sd_det_in_on>;
> pinctrl-1 = <&sdc2_state_off &sd_det_in_off>;
> @@ -104,6 +367,9 @@ &usb {
> };
>
> &usb_hsphy {
> + vdd-supply = <&pm2250_l12>;
> + vdda-pll-supply = <&pm2250_l13>;
> + vdda-phy-dpdm-supply = <&pm2250_l21>;
> status = "okay";
> };
>
>
> ---
> base-commit: 8e4b7f2f3d6071665b1dfd70786229c8a5d6c256
> change-id: 20230711-topic-rb1_regulator-44c4ade93246
>
> Best regards,
> --
> Konrad Dybcio <konrad.dybcio@...aro.org>
>
--
With best wishes
Dmitry
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