Date:   Thu, 18 Nov 2021 21:51:10 -0600
From:   Bjorn Andersson <bjorn.andersson@linaro.org>
To:     Katherine Perez <kaperez@linux.microsoft.com>
Cc:     Andy Gross <agross@kernel.org>, Rob Herring <robh+dt@kernel.org>,
        linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, Felipe Balbi <balbi@kernel.org>
Subject: Re: [RESEND PATCH 1/2] arm64: dts: add minimal DTS for Microsoft
 Surface Duo2
Message-ID: <YZcfLkzinKwKhhJK@builder.lan>
References: <20211116235045.3748572-1-kaperez@linux.microsoft.com>
 <20211116235045.3748572-2-kaperez@linux.microsoft.com>
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In-Reply-To: <20211116235045.3748572-2-kaperez@linux.microsoft.com>
Precedence: bulk

On Tue 16 Nov 17:50 CST 2021, Katherine Perez wrote:

> This is a minimal devicetree for Microsoft Surface Duo 2 with SM8350
> Chipset
> 

Thanks Katherine, really nice to see this initial support. Looking
forward to see it grow. Just two small nits below.

> Signed-off-by: Katherine Perez <kaperez@linux.microsoft.com>
> ---
>  arch/arm64/boot/dts/qcom/Makefile             |   1 +
>  .../qcom/sm8350-microsoft-surface-duo2.dts    | 363 ++++++++++++++++++
>  2 files changed, 364 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/qcom/sm8350-microsoft-surface-duo2.dts
> 
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index 6b816eb33309..a8cc6bd3c423 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -106,4 +106,5 @@ dtb-$(CONFIG_ARCH_QCOM)	+= sm8250-mtp.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sm8250-sony-xperia-edo-pdx203.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sm8250-sony-xperia-edo-pdx206.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sm8350-hdk.dtb
> +dtb-$(CONFIG_ARCH_QCOM)	+= sm8350-microsoft-surface-duo2.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sm8350-mtp.dtb
> diff --git a/arch/arm64/boot/dts/qcom/sm8350-microsoft-surface-duo2.dts b/arch/arm64/boot/dts/qcom/sm8350-microsoft-surface-duo2.dts
> new file mode 100644
> index 000000000000..941eac43614f
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/sm8350-microsoft-surface-duo2.dts
> @@ -0,0 +1,363 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (C) 2021, Microsoft Corporation
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
> +#include "sm8350.dtsi"
> +#include "pm8350.dtsi"
> +#include "pm8350b.dtsi"
> +#include "pm8350c.dtsi"
> +#include "pmk8350.dtsi"
> +#include "pmr735a.dtsi"
> +#include "pmr735b.dtsi"
> +
> +/ {
> +	model = "Microsoft Surface Duo 2";
> +	compatible = "microsoft,surface-duo2", "qcom,sm8350";
> +

Can you please add:

	chassis-type = "handset";

> +	aliases {
> +		serial0 = &uart2;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	vph_pwr: vph-pwr-regulator {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vph_pwr";
> +		regulator-min-microvolt = <3700000>;
> +		regulator-max-microvolt = <3700000>;
> +
> +		regulator-always-on;
> +		regulator-boot-on;
> +	};
> +};
> +
> +&adsp {
> +	status = "okay";
> +	firmware-name = "qcom/sm8350/adsp.mbn";

I have hopes that we'll be able to push some engineering signed versions
of these firmware files, for e.g. the SM8350 HDK one day.

When that happens that would conflict with your firmware path and I
don't expect your devices to accept the "invalid" signature of those
files.

So I would prefer if you follow Felipe's naming scheme and put these
(this and the other remoteprocs) in:

  qcom/sm8350/microsoft/*

Thanks,
Bjorn

> +};
> +
> +&apps_rsc {
> +	pm8350-rpmh-regulators {
> +		compatible = "qcom,pm8350-rpmh-regulators";
> +		qcom,pmic-id = "b";
> +
> +		vdd-s1-supply = <&vph_pwr>;
> +		vdd-s2-supply = <&vph_pwr>;
> +		vdd-s3-supply = <&vph_pwr>;
> +		vdd-s4-supply = <&vph_pwr>;
> +		vdd-s5-supply = <&vph_pwr>;
> +		vdd-s6-supply = <&vph_pwr>;
> +		vdd-s7-supply = <&vph_pwr>;
> +		vdd-s8-supply = <&vph_pwr>;
> +		vdd-s9-supply = <&vph_pwr>;
> +		vdd-s10-supply = <&vph_pwr>;
> +		vdd-s11-supply = <&vph_pwr>;
> +		vdd-s12-supply = <&vph_pwr>;
> +
> +		vdd-l1-l4-supply = <&vreg_s11b_0p95>;
> +		vdd-l2-l7-supply = <&vreg_bob>;
> +		vdd-l3-l5-supply = <&vreg_bob>;
> +		vdd-l6-l9-l10-supply = <&vreg_s11b_0p95>;
> +		vdd-l8-supply = <&vreg_s2c_0p8>;
> +
> +		vreg_s10b_1p8: smps10 {
> +			regulator-name = "vreg_s10b_1p8";
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <1800000>;
> +		};
> +
> +		vreg_s11b_0p95: smps11 {
> +			regulator-name = "vreg_s11b_0p95";
> +			regulator-min-microvolt = <752000>;
> +			regulator-max-microvolt = <1000000>;
> +		};
> +
> +		vreg_s12b_1p25: smps12 {
> +			regulator-name = "vreg_s12b_1p25";
> +			regulator-min-microvolt = <1224000>;
> +			regulator-max-microvolt = <1360000>;
> +		};
> +
> +		vreg_l1b_0p88: ldo1 {
> +			regulator-name = "vreg_l1b_0p88";
> +			regulator-min-microvolt = <912000>;
> +			regulator-max-microvolt = <920000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l2b_3p07: ldo2 {
> +			regulator-name = "vreg_l2b_3p07";
> +			regulator-min-microvolt = <3072000>;
> +			regulator-max-microvolt = <3072000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l3b_0p9: ldo3 {
> +			regulator-name = "vreg_l3b_0p9";
> +			regulator-min-microvolt = <904000>;
> +			regulator-max-microvolt = <904000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l5b_0p88: ldo5 {
> +			regulator-name = "vreg_l3b_0p9";
> +			regulator-min-microvolt = <880000>;
> +			regulator-max-microvolt = <888000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l6b_1p2: ldo6 {
> +			regulator-name = "vreg_l6b_1p2";
> +			regulator-min-microvolt = <1200000>;
> +			regulator-max-microvolt = <1208000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l7b_2p96: ldo7 {
> +			regulator-name = "vreg_l7b_2p96";
> +			regulator-min-microvolt = <2400000>;
> +			regulator-max-microvolt = <3008000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l9b_1p2: ldo9 {
> +			regulator-name = "vreg_l9b_1p2";
> +			regulator-min-microvolt = <1200000>;
> +			regulator-max-microvolt = <1200000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +	};
> +
> +	pm8350c-rpmh-regulators {
> +		compatible = "qcom,pm8350c-rpmh-regulators";
> +		qcom,pmic-id = "c";
> +
> +		vdd-s1-supply = <&vph_pwr>;
> +		vdd-s2-supply = <&vph_pwr>;
> +		vdd-s3-supply = <&vph_pwr>;
> +		vdd-s4-supply = <&vph_pwr>;
> +		vdd-s5-supply = <&vph_pwr>;
> +		vdd-s6-supply = <&vph_pwr>;
> +		vdd-s7-supply = <&vph_pwr>;
> +		vdd-s8-supply = <&vph_pwr>;
> +		vdd-s9-supply = <&vph_pwr>;
> +		vdd-s10-supply = <&vph_pwr>;
> +
> +		vdd-l1-l12-supply = <&vreg_s1c_1p86>;
> +		vdd-l2-l8-supply = <&vreg_s1c_1p86>;
> +		vdd-l3-l4-l5-l7-l13-supply = <&vreg_bob>;
> +		vdd-l6-l9-l11-supply = <&vreg_bob>;
> +		vdd-l10-supply = <&vreg_s12b_1p25>;
> +
> +		vdd-bob-supply = <&vph_pwr>;
> +
> +		vreg_s1c_1p86: smps1 {
> +			regulator-name = "vreg_s1c_1p86";
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <1952000>;
> +		};
> +
> +		vreg_s2c_0p8: smps2 {
> +			regulator-name = "vreg_s2c_0p8";
> +			regulator-min-microvolt = <640000>;
> +			regulator-max-microvolt = <1000000>;
> +		};
> +
> +		vreg_s10c_1p05: smps10 {
> +			regulator-name = "vreg_s10c_1p05";
> +			regulator-min-microvolt = <1048000>;
> +			regulator-max-microvolt = <1128000>;
> +		};
> +
> +		vreg_bob: bob {
> +			regulator-name = "vreg_bob";
> +			regulator-min-microvolt = <3008000>;
> +			regulator-max-microvolt = <3960000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_AUTO>;
> +		};
> +
> +		vreg_l1c_1p8: ldo1 {
> +			regulator-name = "vreg_l1c_1p8";
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <1800000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l2c_1p8: ldo2 {
> +			regulator-name = "vreg_l2c_1p8";
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <1800000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l3c_3p0: ldo3 {
> +			regulator-name = "vreg_l3c_3p0";
> +			regulator-min-microvolt = <3008000>;
> +			regulator-max-microvolt = <3008000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l4c_uim1: ldo4 {
> +			regulator-name = "vreg_l4c_uim1";
> +			regulator-min-microvolt = <1704000>;
> +			regulator-max-microvolt = <3000000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l5c_uim2: ldo5 {
> +			regulator-name = "vreg_l5c_uim2";
> +			regulator-min-microvolt = <1704000>;
> +			regulator-max-microvolt = <3000000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l6c_1p8: ldo6 {
> +			regulator-name = "vreg_l6c_1p8";
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <2960000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l7c_3p0: ldo7 {
> +			regulator-name = "vreg_l7c_3p0";
> +			regulator-min-microvolt = <3008000>;
> +			regulator-max-microvolt = <3008000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l8c_1p8: ldo8 {
> +			regulator-name = "vreg_l8c_1p8";
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <1800000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l9c_2p96: ldo9 {
> +			regulator-name = "vreg_l9c_2p96";
> +			regulator-min-microvolt = <2960000>;
> +			regulator-max-microvolt = <3008000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l10c_1p2: ldo10 {
> +			regulator-name = "vreg_l10c_1p2";
> +			regulator-min-microvolt = <1200000>;
> +			regulator-max-microvolt = <1200000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l11c_2p96: ldo11 {
> +			regulator-name = "vreg_l11c_2p96";
> +			regulator-min-microvolt = <2400000>;
> +			regulator-max-microvolt = <3008000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l12c_1p8: ldo12 {
> +			regulator-name = "vreg_l12c_1p8";
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <2000000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l13c_3p0: ldo13 {
> +			regulator-name = "vreg_l13c_3p0";
> +			regulator-min-microvolt = <3000000>;
> +			regulator-max-microvolt = <3000000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +	};
> +};
> +
> +&cdsp {
> +	status = "okay";
> +	firmware-name = "qcom/sm8350/cdsp.mbn";
> +};
> +
> +&ipa {
> +	status = "okay";
> +
> +	memory-region = <&pil_ipa_fw_mem>;
> +};
> +
> +&qupv3_id_0 {
> +	status = "okay";
> +};
> +
> +&slpi {
> +	status = "okay";
> +	firmware-name = "qcom/sm8350/slpi.mbn";
> +};
> +
> +&tlmm {
> +	gpio-reserved-ranges = <9 8>;
> +};
> +
> +&uart2 {
> +	status = "okay";
> +};
> +
> +&ufs_mem_hc {
> +	status = "okay";
> +
> +	reset-gpios = <&tlmm 203 GPIO_ACTIVE_LOW>;
> +
> +	vcc-supply = <&vreg_l7b_2p96>;
> +	vcc-max-microamp = <800000>;
> +	vccq-supply = <&vreg_l9b_1p2>;
> +	vccq-max-microamp = <900000>;
> +};
> +
> +&ufs_mem_phy {
> +	status = "okay";
> +
> +	vdda-phy-supply = <&vreg_l5b_0p88>;
> +	vdda-max-microamp = <91600>;
> +	vdda-pll-supply = <&vreg_l6b_1p2>;
> +	vdda-pll-max-microamp = <19000>;
> +};
> +
> +&usb_1 {
> +	dr_mode = "peripheral";
> +};
> +
> +&usb_1_hsphy {
> +	status = "okay";
> +
> +	vdda-pll-supply = <&vreg_l5b_0p88>;
> +	vdda18-supply = <&vreg_l1c_1p8>;
> +	vdda33-supply = <&vreg_l2b_3p07>;
> +};
> +
> +&usb_1_qmpphy {
> +	status = "okay";
> +
> +	vdda-phy-supply = <&vreg_l6b_1p2>;
> +	vdda-pll-supply = <&vreg_l1b_0p88>;
> +};
> +
> +&usb_2 {
> +	status = "okay";
> +};
> +
> +&usb_2_hsphy {
> +	status = "okay";
> +
> +	vdda-pll-supply = <&vreg_l5b_0p88>;
> +	vdda18-supply = <&vreg_l1c_1p8>;
> +	vdda33-supply = <&vreg_l2b_3p07>;
> +};
> +
> +&usb_2_qmpphy {
> +	status = "okay";
> +
> +	vdda-phy-supply = <&vreg_l6b_1p2>;
> +	vdda-pll-supply = <&vreg_l5b_0p88>;
> +};
> -- 
> 2.31.1
>