Re: [PATCH 10/10] arm64: dts: qcom: Add base SM8550 MTP dts

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On 16/11/2022 11:31, Abel Vesa wrote:
> Add dts file for Qualcomm MTP platform which uses SM8550 SoC.
> 
> Co-developed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
> Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
> Signed-off-by: Abel Vesa <abel.vesa@xxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/Makefile       |   1 +
>  arch/arm64/boot/dts/qcom/sm8550-mtp.dts | 419 ++++++++++++++++++++++++
>  2 files changed, 420 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/qcom/sm8550-mtp.dts

Thank you for your patch. There is something to discuss/improve.

> 
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index afe496a93f94..b447b3082c84 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -169,3 +169,4 @@ dtb-$(CONFIG_ARCH_QCOM)	+= sm8350-sony-xperia-sagami-pdx215.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sm8450-hdk.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sm8450-qrd.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sm8450-sony-xperia-nagara-pdx223.dtb
> +dtb-$(CONFIG_ARCH_QCOM)	+= sm8550-mtp.dtb
> diff --git a/arch/arm64/boot/dts/qcom/sm8550-mtp.dts b/arch/arm64/boot/dts/qcom/sm8550-mtp.dts
> new file mode 100644
> index 000000000000..d4c8d5b2497e
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/sm8550-mtp.dts
> @@ -0,0 +1,419 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (c) 2022, Linaro Limited
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
> +#include "sm8550.dtsi"
> +#include "pm8010.dtsi"
> +#include "pm8550.dtsi"
> +#include "pm8550b.dtsi"
> +#include "pm8550ve.dtsi"
> +#include "pm8550vs.dtsi"
> +#include "pmk8550.dtsi"
> +#include "pmr735d.dtsi"
> +
> +/ {
> +	model = "Qualcomm Technologies, Inc. SM8550 MTP";
> +	compatible = "qcom,sm8550-mtp", "qcom,sm8550";
> +
> +	aliases {
> +		serial0 = &uart7;
> +	};
> +
> +	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;
> +	};
> +};
> +
> +&apps_rsc {
> +	pm8550b-rpmh-regulators {

Node name: regulators-0

> +		compatible = "qcom,pm8550-rpmh-regulators";
> +		qcom,pmic-id = "b";
> +
> +		vdd-bob1-supply = <&vph_pwr>;
> +		vdd-bob2-supply = <&vph_pwr>;
> +		vdd-l2-l13-l14-supply = <&vreg_bob1>;
> +		vdd-l3-supply = <&vreg_s4g_1p3>;
> +		vdd-l5-l16-supply = <&vreg_bob1>;
> +		vdd-l6-l7-supply = <&vreg_bob1>;
> +		vdd-l8-l9-supply = <&vreg_bob1>;
> +		vdd-l11-supply = <&vreg_s4g_1p3>;
> +		vdd-l12-supply = <&vreg_s6g_1p8>;
> +		vdd-l15-supply = <&vreg_s6g_1p8>;
> +		vdd-l17-supply = <&vreg_bob2>;
> +
> +		vreg_bob1: bob1 {
> +			regulator-name = "vreg_bob1";
> +			regulator-min-microvolt = <3296000>;
> +			regulator-max-microvolt = <3960000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_bob2: bob2 {
> +			regulator-name = "vreg_bob2";
> +			regulator-min-microvolt = <2720000>;
> +			regulator-max-microvolt = <3960000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l1b_1p8: ldo1 {
> +			regulator-name = "vreg_l1b_1p8";
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <1800000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l2b_3p0: ldo2 {
> +			regulator-name = "vreg_l2b_3p0";
> +			regulator-min-microvolt = <3008000>;
> +			regulator-max-microvolt = <3008000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l5b_3p1: ldo5 {
> +			regulator-name = "vreg_l5b_3p1";
> +			regulator-min-microvolt = <3104000>;
> +			regulator-max-microvolt = <3104000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l6b_1p8: ldo6 {
> +			regulator-name = "vreg_l6b_1p8";
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <3008000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l7b_1p8: ldo7 {
> +			regulator-name = "vreg_l7b_1p8";
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <3008000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l8b_1p8: ldo8 {
> +			regulator-name = "vreg_l8b_1p8";
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <3008000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l9b_2p9: ldo9 {
> +			regulator-name = "vreg_l9b_2p9";
> +			regulator-min-microvolt = <2960000>;
> +			regulator-max-microvolt = <3008000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l11b_1p2: ldo11 {
> +			regulator-name = "vreg_l11b_1p2";
> +			regulator-min-microvolt = <1200000>;
> +			regulator-max-microvolt = <1504000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l12b_1p8: ldo12 {
> +			regulator-name = "vreg_l12b_1p8";
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <1800000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l13b_3p0: ldo13 {
> +			regulator-name = "vreg_l13b_3p0";
> +			regulator-min-microvolt = <3000000>;
> +			regulator-max-microvolt = <3000000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l14b_3p2: ldo14 {
> +			regulator-name = "vreg_l14b_3p2";
> +			regulator-min-microvolt = <3200000>;
> +			regulator-max-microvolt = <3200000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l15b_1p8: ldo15 {
> +			regulator-name = "vreg_l15b_1p8";
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <1800000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l16b_2p8: ldo16 {
> +			regulator-name = "vreg_l16b_2p8";
> +			regulator-min-microvolt = <2800000>;
> +			regulator-max-microvolt = <2800000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l17b_2p5: ldo17 {
> +			regulator-name = "vreg_l17b_2p5";
> +			regulator-min-microvolt = <2504000>;
> +			regulator-max-microvolt = <2504000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +	};
> +
> +	pm8550c-rpmh-regulators {

regulators-1

> +		compatible = "qcom,pm8550vs-rpmh-regulators";
> +		qcom,pmic-id = "c";
> +
> +		vdd-l3-supply = <&vreg_s4e_0p9>;
> +
> +		vreg_l3c_0p91: ldo3 {
> +			regulator-name = "vreg_l3c_0p9";
> +			regulator-min-microvolt = <880000>;
> +			regulator-max-microvolt = <912000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +	};
> +
> +	pm8550d-rpmh-regulators {

regulators-2
and bindings might need updates.

> +		compatible = "qcom,pm8550vs-rpmh-regulators";
> +		qcom,pmic-id = "d";
> +
> +		vdd-l1-supply = <&vreg_s4e_0p9>;
> +
> +		vreg_l1d_0p88: ldo1 {
> +			regulator-name = "vreg_l1d_0p88";
> +			regulator-min-microvolt = <880000>;
> +			regulator-max-microvolt = <920000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +	};
> +
> +	pm8550e-rpmh-regulators {

...and so on.

(...)

> +	};
> +};
> +
> +&pm8550_gpios {
> +	sdc2_card_det_n: sdc2-card-det-state {
> +		card-det-pins {
> +			pins = "gpio12";
> +			function = "normal";
> +			input-enable;
> +			output-disable;
> +			bias-pull-up;
> +			power-source = <1>; /* 1.8 V */
> +		};
> +	};
> +};
> +
> +&qupv3_id_0 {
> +	status = "okay";
> +};
> +
> +&sdhc_2 {
> +	status = "okay";

Status is always last.

> +
> +	cd-gpios = <&pm8550_gpios 12 GPIO_ACTIVE_LOW>;
> +	pinctrl-names = "default", "sleep";
> +	pinctrl-0 = <&sdc2_default &sdc2_card_det_n>;
> +	pinctrl-1 = <&sdc2_sleep &sdc2_card_det_n>;
> +	vmmc-supply = <&vreg_l9b_2p9>;
> +	vqmmc-supply = <&vreg_l8b_1p8>;
> +	bus-width = <4>;
> +	no-sdio;
> +	no-emmc;
> +};
> +
> +&tlmm {
> +	gpio-reserved-ranges = <32 8>;
> +
> +	sdc2_default: sdc2-default-state {
> +		clk-pins {
> +			pins = "sdc2_clk";
> +			bias-disable;
> +			drive-strength = <16>;
> +		};
> +
> +		cmd-pins {
> +			pins = "sdc2_cmd";
> +			bias-pull-up;
> +			drive-strength = <10>;
> +		};
> +
> +		data-pins {
> +			pins = "sdc2_data";
> +			bias-pull-up;
> +			drive-strength = <10>;
> +		};
> +	};
> +};
> +
> +&uart7 {
> +	status = "okay";
> +};

Best regards,
Krzysztof




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