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Message-ID: <8fc661d7-6f75-59d8-fa19-76193ed2f4fe@somainline.org>
Date: Wed, 22 Jun 2022 14:37:02 +0200
From: Konrad Dybcio <konrad.dybcio@...ainline.org>
To: Bjorn Andersson <bjorn.andersson@...aro.org>,
Andy Gross <agross@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc: Rob Herring <robh+dt@...nel.org>,
Manivannan Sadhasivam <mani@...nel.org>,
Jassi Brar <jassisinghbrar@...il.com>,
linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 5/6] arm64: dts: qcom: add SA8540P and ADP
On 22.06.2022 06:12, Bjorn Andersson wrote:
> Introduce the Qualcomm SA8540P automotive platform and the SA8295P ADP
> development board.
So are SA8295P and SA8540P the same SoCs? Or is it a board name?
>
> The SA8540P and SC8280XP are fairly similar, so the SA8540P is built
> ontop of the SC8280XP dtsi to reduce duplication. As more advanced
> features are integrated this might be re-evaluated.
>
> This initial contribution supports SMP, CPUFreq, cluster idle, UFS, RPMh
> regulators, debug UART, PMICs, remoteprocs (NSPs crashes shortly after
> booting) and USB.
>
> The SA8295P ADP contains four PM8450 PMICs, which according to their
> revid are compatible with PM8150. They are defined within the ADP for
> now, to avoid creating additional .dtsi files for PM8150 with just
> addresses changed - and to allow using the labels from the schematics.
>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> Reviewed-by: Johan Hovold <johan+linaro@...nel.org>
> ---
> arch/arm64/boot/dts/qcom/Makefile | 1 +
> arch/arm64/boot/dts/qcom/sa8295p-adp.dts | 427 +++++++++++++++++++++++
> arch/arm64/boot/dts/qcom/sa8540p.dtsi | 133 +++++++
> 3 files changed, 561 insertions(+)
> create mode 100644 arch/arm64/boot/dts/qcom/sa8295p-adp.dts
> create mode 100644 arch/arm64/boot/dts/qcom/sa8540p.dtsi
>
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index ceeae094a59f..2f416b84b71c 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -52,6 +52,7 @@ dtb-$(CONFIG_ARCH_QCOM) += qcs404-evb-1000.dtb
> dtb-$(CONFIG_ARCH_QCOM) += qcs404-evb-4000.dtb
> dtb-$(CONFIG_ARCH_QCOM) += qrb5165-rb5.dtb
> dtb-$(CONFIG_ARCH_QCOM) += sa8155p-adp.dtb
> +dtb-$(CONFIG_ARCH_QCOM) += sa8295p-adp.dtb
> dtb-$(CONFIG_ARCH_QCOM) += sc7180-idp.dtb
> dtb-$(CONFIG_ARCH_QCOM) += sc7180-trogdor-coachz-r1.dtb
> dtb-$(CONFIG_ARCH_QCOM) += sc7180-trogdor-coachz-r1-lte.dtb
> diff --git a/arch/arm64/boot/dts/qcom/sa8295p-adp.dts b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
> new file mode 100644
> index 000000000000..8dbcd95966b0
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
> @@ -0,0 +1,427 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (c) 2021, The Linux Foundation. All rights reserved.
> + * Copyright (c) 2022, Linaro Limited
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/gpio/gpio.h>
Can be moved to SoC dtsi.
> +#include <dt-bindings/input/gpio-keys.h>
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
> +#include <dt-bindings/spmi/spmi.h>
> +
> +#include "sa8540p.dtsi"
> +
> +/ {
> + model = "Qualcomm SA8295P ADP";
> + compatible = "qcom,sa8295p-adp", "qcom,sa8540p";
> +
> + aliases {
> + serial0 = &qup2_uart17;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +
> + reserved-memory {
> + };
Seems redundant.
> +};
> +
> +&apps_rsc {
> + pmm8540-a-regulators {
> + compatible = "qcom,pm8150-rpmh-regulators";
> + qcom,pmic-id = "a";
> +
> + vreg_l3a: ldo3 {
> + regulator-name = "vreg_l3a";
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1208000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + };
> +
> + vreg_l5a: ldo5 {
> + regulator-name = "vreg_l5a";
> + regulator-min-microvolt = <912000>;
> + regulator-max-microvolt = <912000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + };
> +
> + vreg_l7a: ldo7 {
> + regulator-name = "vreg_l7a";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + };
> +
> + vreg_l13a: ldo13 {
> + regulator-name = "vreg_l13a";
> + regulator-min-microvolt = <3072000>;
> + regulator-max-microvolt = <3072000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + };
> + };
> +
> + pmm8540-c-regulators {
> + compatible = "qcom,pm8150-rpmh-regulators";
> + qcom,pmic-id = "c";
> +
> + vreg_l1c: ldo1 {
> + regulator-name = "vreg_l1c";
> + regulator-min-microvolt = <912000>;
> + regulator-max-microvolt = <912000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + };
> +
> + vreg_l2c: ldo2 {
> + regulator-name = "vreg_l2c";
> + regulator-min-microvolt = <3072000>;
> + regulator-max-microvolt = <3072000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + };
> +
> + vreg_l3c: ldo3 {
> + regulator-name = "vreg_l3c";
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + };
> +
> + vreg_l4c: ldo4 {
> + regulator-name = "vreg_l4c";
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1208000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + };
> +
> + vreg_l6c: ldo6 {
> + regulator-name = "vreg_l6c";
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + };
> +
> + vreg_l7c: ldo7 {
> + regulator-name = "vreg_l7c";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + };
> +
> + vreg_l10c: ldo10 {
> + regulator-name = "vreg_l10c";
> + regulator-min-microvolt = <2504000>;
> + regulator-max-microvolt = <2504000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + };
> +
> + vreg_l17c: ldo17 {
> + regulator-name = "vreg_l17c";
> + regulator-min-microvolt = <2504000>;
> + regulator-max-microvolt = <2504000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + };
> + };
> +
> + pmm8540-g-regulators {
> + compatible = "qcom,pm8150-rpmh-regulators";
> + qcom,pmic-id = "g";
> +
> + vreg_l3g: ldo3 {
> + regulator-name = "vreg_l3g";
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + };
> +
> + vreg_l7g: ldo7 {
> + regulator-name = "vreg_l7g";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + };
> +
> + vreg_l8g: ldo8 {
> + regulator-name = "vreg_l8g";
> + regulator-min-microvolt = <880000>;
> + regulator-max-microvolt = <880000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + };
> + };
> +};
> +
> +&qup2 {
> + status = "okay";
> +};
> +
> +&qup2_uart17 {
> + compatible = "qcom,geni-debug-uart";
> + status = "okay";
> +};
> +
> +&remoteproc_adsp {
> + status = "okay";
> + firmware-name = "qcom/sa8540p/adsp.mbn";
> +};
> +
> +&remoteproc_nsp0 {
> + status = "okay";
> + firmware-name = "qcom/sa8540p/cdsp.mbn";
> +};
> +
> +&remoteproc_nsp1 {
> + status = "okay";
> + firmware-name = "qcom/sa8540p/cdsp1.mbn";
> +};
> +
> +&spmi_bus {
> + pm8450a: pmic@0 {
> + compatible = "qcom,pm8150", "qcom,spmi-pmic";
> + reg = <0x0 SPMI_USID>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + pm8450a_gpios: gpio@...0 {
> + compatible = "qcom,pm8150-gpio";
> + reg = <0xc000>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + };
> + };
> +
> + pm8450c: pmic@4 {
> + compatible = "qcom,pm8150", "qcom,spmi-pmic";
> + reg = <0x4 SPMI_USID>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + pm8450c_gpios: gpio@...0 {
> + compatible = "qcom,pm8150-gpio";
> + reg = <0xc000>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + };
> + };
> +
> + pm8450e: pmic@8 {
> + compatible = "qcom,pm8150", "qcom,spmi-pmic";
> + reg = <0x8 SPMI_USID>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + pm8450e_gpios: gpio@...0 {
> + compatible = "qcom,pm8150-gpio";
> + reg = <0xc000>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + };
> + };
> +
> + pm8450g: pmic@c {
> + compatible = "qcom,pm8150", "qcom,spmi-pmic";
> + reg = <0xc SPMI_USID>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + pm8450g_gpios: gpio@...0 {
> + compatible = "qcom,pm8150-gpio";
> + reg = <0xc000>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + };
> + };
> +};
> +
> +&ufs_mem_hc {
> + status = "okay";
> +
> + reset-gpios = <&tlmm 228 GPIO_ACTIVE_LOW>;
> +
> + vcc-supply = <&vreg_l17c>;
> + vcc-max-microamp = <800000>;
> + vccq-supply = <&vreg_l6c>;
> + vccq-max-microamp = <900000>;
> +};
> +
> +&ufs_mem_phy {
> + status = "okay";
> +
> + vdda-phy-supply = <&vreg_l8g>;
> + vdda-pll-supply = <&vreg_l3g>;
> +};
> +
> +&ufs_card_hc {
> + status = "okay";
> +
> + reset-gpios = <&tlmm 229 GPIO_ACTIVE_LOW>;
> +
> + vcc-supply = <&vreg_l10c>;
> + vcc-max-microamp = <800000>;
> + vccq-supply = <&vreg_l3c>;
> + vccq-max-microamp = <900000>;
> +};
> +
> +&ufs_card_phy {
> + status = "okay";
> +
> + vdda-phy-supply = <&vreg_l8g>;
> + vdda-pll-supply = <&vreg_l3g>;
> +};
> +
> +&usb_0 {
> + status = "okay";
> +};
> +
> +&usb_0_dwc3 {
> + /* TODO: Define USB-C connector properly */
> + dr_mode = "peripheral";
> +};
> +
> +&usb_0_hsphy {
> + status = "okay";
> +
> + vdda-pll-supply = <&vreg_l5a>;
> + vdda18-supply = <&vreg_l7a>;
> + vdda33-supply = <&vreg_l13a>;
> +};
> +
> +&usb_0_qmpphy {
> + status = "okay";
> +
> + vdda-phy-supply = <&vreg_l3a>;
> + vdda-pll-supply = <&vreg_l5a>;
> +};
> +
> +&usb_1 {
> + status = "okay";
> +};
> +
> +&usb_1_dwc3 {
> + /* TODO: Define USB-C connector properly */
> + dr_mode = "host";
> +};
> +
> +&usb_1_hsphy {
> + status = "okay";
> +
> + vdda-pll-supply = <&vreg_l1c>;
> + vdda18-supply = <&vreg_l7c>;
> + vdda33-supply = <&vreg_l2c>;
> +};
> +
> +&usb_1_qmpphy {
> + status = "okay";
> +
> + vdda-phy-supply = <&vreg_l4c>;
> + vdda-pll-supply = <&vreg_l1c>;
> +};
> +
> +&usb_2_hsphy0 {
> + status = "okay";
> +
> + vdda-pll-supply = <&vreg_l5a>;
> + vdda18-supply = <&vreg_l7g>;
> + vdda33-supply = <&vreg_l13a>;
> +};
> +
> +&usb_2_hsphy1 {
> + status = "okay";
> +
> + vdda-pll-supply = <&vreg_l5a>;
> + vdda18-supply = <&vreg_l7g>;
> + vdda33-supply = <&vreg_l13a>;
> +};
> +
> +&usb_2_hsphy2 {
> + status = "okay";
> +
> + vdda-pll-supply = <&vreg_l5a>;
> + vdda18-supply = <&vreg_l7g>;
> + vdda33-supply = <&vreg_l13a>;
> +};
> +
> +&usb_2_hsphy3 {
> + status = "okay";
> +
> + vdda-pll-supply = <&vreg_l5a>;
> + vdda18-supply = <&vreg_l7g>;
> + vdda33-supply = <&vreg_l13a>;
> +};
> +
> +&usb_2_qmpphy0 {
> + status = "okay";
> +
> + vdda-phy-supply = <&vreg_l3a>;
> + vdda-pll-supply = <&vreg_l5a>;
> +};
> +
> +&usb_2_qmpphy1 {
> + status = "okay";
> +
> + vdda-phy-supply = <&vreg_l3a>;
> + vdda-pll-supply = <&vreg_l5a>;
> +};
> +
> +&xo_board_clk {
> + clock-frequency = <38400000>;
> +};
Not entirely the best place to ask, but I only noticed now.. Is this expected to be variable? Can the SoC even run properly with the XO at different frequencies?
> +
> +/* PINCTRL */
Seems redundant.
Konrad
> +&pm8450c_gpios {
> + usb2_en_state: usb2-en-state {
> + pins = "gpio9";
> + function = "normal";
> + output-high;
> + power-source = <0>;
> + };
> +};
> +
> +&pm8450e_gpios {
> + usb3_en_state: usb3-en-state {
> + pins = "gpio5";
> + function = "normal";
> + output-high;
> + power-source = <0>;
> + };
> +};
> +
> +&pm8450g_gpios {
> + usb4_en_state: usb4-en-state {
> + pins = "gpio5";
> + function = "normal";
> + output-high;
> + power-source = <0>;
> + };
> +
> + usb5_en_state: usb5-en-state {
> + pins = "gpio9";
> + function = "normal";
> + output-high;
> + power-source = <0>;
> + };
> +};
> diff --git a/arch/arm64/boot/dts/qcom/sa8540p.dtsi b/arch/arm64/boot/dts/qcom/sa8540p.dtsi
> new file mode 100644
> index 000000000000..8ea2886fbab2
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/sa8540p.dtsi
> @@ -0,0 +1,133 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (c) 2021, The Linux Foundation. All rights reserved.
> + * Copyright (c) 2022, Linaro Limited
> + */
> +
> +#include "sc8280xp.dtsi"
> +
> +/delete-node/ &cpu0_opp_table;
> +/delete-node/ &cpu4_opp_table;
> +
> +/ {
> + cpu0_opp_table: cpu0-opp-table {
> + compatible = "operating-points-v2";
> + opp-shared;
> +
> + opp-403200000 {
> + opp-hz = /bits/ 64 <403200000>;
> + };
> + opp-499200000 {
> + opp-hz = /bits/ 64 <499200000>;
> + };
> + opp-595200000 {
> + opp-hz = /bits/ 64 <595200000>;
> + };
> + opp-710400000 {
> + opp-hz = /bits/ 64 <710400000>;
> + };
> + opp-806400000 {
> + opp-hz = /bits/ 64 <806400000>;
> + };
> + opp-902400000 {
> + opp-hz = /bits/ 64 <902400000>;
> + };
> + opp-1017600000 {
> + opp-hz = /bits/ 64 <1017600000>;
> + };
> + opp-1113600000 {
> + opp-hz = /bits/ 64 <1113600000>;
> + };
> + opp-1209600000 {
> + opp-hz = /bits/ 64 <1209600000>;
> + };
> + opp-1324800000 {
> + opp-hz = /bits/ 64 <1324800000>;
> + };
> + opp-1440000000 {
> + opp-hz = /bits/ 64 <1440000000>;
> + };
> + opp-1555200000 {
> + opp-hz = /bits/ 64 <1555200000>;
> + };
> + opp-1670400000 {
> + opp-hz = /bits/ 64 <1670400000>;
> + };
> + opp-1785600000 {
> + opp-hz = /bits/ 64 <1785600000>;
> + };
> + opp-1881600000 {
> + opp-hz = /bits/ 64 <1881600000>;
> + };
> + opp-2016000000 {
> + opp-hz = /bits/ 64 <2016000000>;
> + };
> + opp-2131200000 {
> + opp-hz = /bits/ 64 <2131200000>;
> + };
> + opp-2246400000 {
> + opp-hz = /bits/ 64 <2246400000>;
> + };
> + };
> +
> + cpu4_opp_table: cpu4-opp-table {
> + compatible = "operating-points-v2";
> + opp-shared;
> +
> + opp-825600000 {
> + opp-hz = /bits/ 64 <825600000>;
> + };
> + opp-940800000 {
> + opp-hz = /bits/ 64 <940800000>;
> + };
> + opp-1056000000 {
> + opp-hz = /bits/ 64 <1056000000>;
> + };
> + opp-1171200000 {
> + opp-hz = /bits/ 64 <1171200000>;
> + };
> + opp-1286400000 {
> + opp-hz = /bits/ 64 <1286400000>;
> + };
> + opp-1401600000 {
> + opp-hz = /bits/ 64 <1401600000>;
> + };
> + opp-1516800000 {
> + opp-hz = /bits/ 64 <1516800000>;
> + };
> + opp-1632000000 {
> + opp-hz = /bits/ 64 <1632000000>;
> + };
> + opp-1747200000 {
> + opp-hz = /bits/ 64 <1747200000>;
> + };
> + opp-1862400000 {
> + opp-hz = /bits/ 64 <1862400000>;
> + };
> + opp-1977600000 {
> + opp-hz = /bits/ 64 <1977600000>;
> + };
> + opp-2073600000 {
> + opp-hz = /bits/ 64 <2073600000>;
> + };
> + opp-2169600000 {
> + opp-hz = /bits/ 64 <2169600000>;
> + };
> + opp-2284800000 {
> + opp-hz = /bits/ 64 <2284800000>;
> + };
> + opp-2380800000 {
> + opp-hz = /bits/ 64 <2380800000>;
> + };
> + opp-2496000000 {
> + opp-hz = /bits/ 64 <2496000000>;
> + };
> + opp-2592000000 {
> + opp-hz = /bits/ 64 <2592000000>;
> + };
> + };
> +};
> +
> +&rpmhpd {
> + compatible = "qcom,sa8540p-rpmhpd";
> +};
>
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