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Message-ID: <32db32cb-ff08-93ac-fd33-6306d6eded62@linaro.org>
Date: Wed, 8 Jun 2022 10:24:25 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Bjorn Andersson <bjorn.andersson@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Manivannan Sadhasivam <mani@...nel.org>
Cc: Jassi Brar <jassisinghbrar@...il.com>,
Johan Hovold <johan+linaro@...nel.org>,
linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/4] arm64: dts: qcom: sc8280x: Add reference device
On 07/06/2022 23:41, Bjorn Andersson wrote:
> Add basic support for the SC8280XP reference device, which allows it to
> boot to a shell (using EFIFB) with functional storage (UFS), USB,
> keyboard, touchpad, touchscreen, backlight and remoteprocs.
>
> The PMICs are, per socinfo, reused from other platforms. But given that
> the address of the PMICs doesn't match other cases and that it's
> desirable to label things according to the schematics a new dtsi file is
> created to represent the reference combination of PMICs.
>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> ---
> arch/arm64/boot/dts/qcom/Makefile | 1 +
> arch/arm64/boot/dts/qcom/sc8280xp-crd.dts | 423 +++++++++++++++++++
> arch/arm64/boot/dts/qcom/sc8280xp-pmics.dtsi | 108 +++++
> 3 files changed, 532 insertions(+)
> create mode 100644 arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
> create mode 100644 arch/arm64/boot/dts/qcom/sc8280xp-pmics.dtsi
>
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index 2f8aec2cc6db..ceeae094a59f 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -89,6 +89,7 @@ dtb-$(CONFIG_ARCH_QCOM) += sc7280-herobrine-villager-r0.dtb
> dtb-$(CONFIG_ARCH_QCOM) += sc7280-idp.dtb
> dtb-$(CONFIG_ARCH_QCOM) += sc7280-idp2.dtb
> dtb-$(CONFIG_ARCH_QCOM) += sc7280-crd-r3.dtb
> +dtb-$(CONFIG_ARCH_QCOM) += sc8280xp-crd.dtb
> dtb-$(CONFIG_ARCH_QCOM) += sdm630-sony-xperia-ganges-kirin.dtb
> dtb-$(CONFIG_ARCH_QCOM) += sdm630-sony-xperia-nile-discovery.dtb
> dtb-$(CONFIG_ARCH_QCOM) += sdm630-sony-xperia-nile-pioneer.dtb
> diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
> new file mode 100644
> index 000000000000..1031ee039107
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
> @@ -0,0 +1,423 @@
> +// 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>
> +#include <dt-bindings/input/gpio-keys.h>
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
> +
> +#include "sc8280xp.dtsi"
> +#include "sc8280xp-pmics.dtsi"
> +
> +/ {
> + model = "Qualcomm SC8280XP CRD";
> + compatible = "qcom,sc8280xp-crd", "qcom,sc8280xp";
This needs to be documented in the bindings.
> +
> + aliases {
> + serial0 = &qup2_uart17;
> + };
> +
> + backlight {
> + compatible = "pwm-backlight";
> + pwms = <&pmc8280c_lpg 3 1000000>;
> + enable-gpios = <&pmc8280_1_gpios 8 GPIO_ACTIVE_HIGH>;
> + power-supply = <&vreg_edp_bl>;
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&edp_bl_en>, <&edp_bl_pwm>;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +
> + vreg_edp_bl: edp-bl-regulator {
> + compatible = "regulator-fixed";
> + regulator-name = "VREG_EDP_BL";
> +
> + regulator-min-microvolt = <3600000>;
> + regulator-max-microvolt = <3600000>;
> +
> + gpio = <&pmc8280_1_gpios 9 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&edp_bl_reg_en>;
> +
> + regulator-boot-on;
> + };
> +
> + vreg_misc_3p3: misc-3p3-regulator {
> + compatible = "regulator-fixed";
> + regulator-name = "VREG_MISC_3P3";
> +
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> +
> + gpio = <&pmc8280_1_gpios 0 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + pinctrl-names = "default";
> + pinctrl-0 = <&misc_3p3_reg_en>;
> +
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + reserved-memory {
> + };
> +};
> +
> +&apps_rsc {
> + pmc8280-1-rpmh-regulators {
> + compatible = "qcom,pm8350-rpmh-regulators";
> + qcom,pmic-id = "b";
> +
> + vdd-l3-l5-supply = <&vreg_s11b>;
> +
> + vreg_s11b: smps11 {
> + regulator-name = "vreg_s11b";
> + regulator-min-microvolt = <1272000>;
> + regulator-max-microvolt = <1272000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + };
> +
> + vreg_l3b: ldo3 {
> + regulator-name = "vreg_l3b";
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + vreg_l4b: ldo4 {
> + regulator-name = "vreg_l4b";
> + regulator-min-microvolt = <912000>;
> + regulator-max-microvolt = <912000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + };
> +
> + vreg_l6b: ldo6 {
> + regulator-name = "vreg_l6b";
> + regulator-min-microvolt = <880000>;
> + regulator-max-microvolt = <880000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + regulator-boot-on;
> + };
> + };
> +
> + pmc8280c-rpmh-regulators {
> + compatible = "qcom,pm8350c-rpmh-regulators";
> + qcom,pmic-id = "c";
> +
> + vreg_l1c: ldo1 {
> + regulator-name = "vreg_l1c";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + };
> +
> + vreg_l7c: ldo7 {
> + regulator-name = "vreg_l7c";
> + regulator-min-microvolt = <2504000>;
> + regulator-max-microvolt = <2504000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + };
> +
> + vreg_l13c: ldo13 {
> + regulator-name = "vreg_l13c";
> + regulator-min-microvolt = <3072000>;
> + regulator-max-microvolt = <3072000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + };
> + };
> +
> + pmc8280-2-rpmh-regulators {
> + compatible = "qcom,pm8350-rpmh-regulators";
> + qcom,pmic-id = "d";
> +
> + vdd-l1-l4-supply = <&vreg_s11b>;
> +
> + vreg_l3d: ldo3 {
> + regulator-name = "vreg_l3d";
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + };
> +
> + vreg_l4d: ldo4 {
> + regulator-name = "vreg_l4d";
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + };
> +
> + vreg_l6d: ldo6 {
> + regulator-name = "vreg_l6d";
> + regulator-min-microvolt = <880000>;
> + regulator-max-microvolt = <880000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + };
> +
> + vreg_l7d: ldo7 {
> + regulator-name = "vreg_l7d";
> + regulator-min-microvolt = <3072000>;
> + regulator-max-microvolt = <3072000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + };
> +
> + vreg_l9d: ldo9 {
> + regulator-name = "vreg_l9d";
> + regulator-min-microvolt = <912000>;
> + regulator-max-microvolt = <912000>;
> + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + regulator-allow-set-load;
> + };
> + };
> +
No need for blank line
Best regards,
Krzysztof
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