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Date:   Sat, 17 Sep 2022 18:36:11 +0200
From:   Konrad Dybcio <konrad.dybcio@...ainline.org>
To:     Luca Weiss <luca@...tu.xyz>, linux-arm-msm@...r.kernel.org
Cc:     ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
        soc@...nel.org, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] ARM: dts: qcom: Add support for Huawei Watch



On 17.09.2022 17:28, Luca Weiss wrote:
> Add support for this smartwatch, based on Snapdragon 400 SoC.
> 
> Currently supported functionality:
> * Internal storage
> * USB
> * Charger
> * Power button
> * Bluetooth
> * Wifi
> 
> Signed-off-by: Luca Weiss <luca@...tu.xyz>
> ---
>  arch/arm/boot/dts/Makefile                    |   1 +
>  .../boot/dts/qcom-apq8026-huawei-sturgeon.dts | 343 ++++++++++++++++++
>  2 files changed, 344 insertions(+)
>  create mode 100644 arch/arm/boot/dts/qcom-apq8026-huawei-sturgeon.dts
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 3bc6bd5c8238..55087f16d718 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -1026,6 +1026,7 @@ dtb-$(CONFIG_ARCH_OXNAS) += \
>  dtb-$(CONFIG_ARCH_QCOM) += \
>  	qcom-apq8016-sbc.dtb \
>  	qcom-apq8026-asus-sparrow.dtb \
> +	qcom-apq8026-huawei-sturgeon.dtb \
>  	qcom-apq8026-lg-lenok.dtb \
>  	qcom-apq8060-dragonboard.dtb \
>  	qcom-apq8064-cm-qs600.dtb \
> diff --git a/arch/arm/boot/dts/qcom-apq8026-huawei-sturgeon.dts b/arch/arm/boot/dts/qcom-apq8026-huawei-sturgeon.dts
> new file mode 100644
> index 000000000000..e43fcef7144c
> --- /dev/null
> +++ b/arch/arm/boot/dts/qcom-apq8026-huawei-sturgeon.dts
> @@ -0,0 +1,343 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (c) 2022, Luca Weiss <luca@...tu.xyz>
> + */
> +
> +/dts-v1/;
> +
> +#include "qcom-msm8226.dtsi"
> +#include "qcom-pm8226.dtsi"
> +
> +/delete-node/ &adsp_region;
> +
> +/ {
> +	model = "Huawei Watch";
> +	compatible = "huawei,sturgeon", "qcom,apq8026";
> +	chassis-type = "watch";
> +	qcom,msm-id = <199 0x20000>;
> +	qcom,board-id = <8 4>;
> +
> +	reserved-memory {
> +		sbl_region: sbl@...0000 {
> +			reg = <0x02f00000 0x100000>;
> +			no-map;
> +		};
Please add newlines after each }; here and in pm*-regulators and
make the status property last on referenced nodes. Otherwise LGTM.

Konrad
> +		external_image_region: external-image@...0000 {
> +			reg = <0x3100000 0x200000>;
> +			no-map;
> +		};
> +		peripheral_region: peripheral@...0000 {
> +			reg = <0x3300000 0x600000>;
> +			no-map;
> +		};
> +		adsp_region: adsp@...0000 {
> +			reg = <0x3900000 0x1400000>;
> +			no-map;
> +		};
> +		modem_region: modem@...0000 {
> +			reg = <0x4d00000 0x1b00000>;
> +			no-map;
> +		};
> +		modem_efs_region: modem-efs@...0000 {
> +			reg = <0x7f00000 0x100000>;
> +			no-map;
> +		};
> +	};
> +
> +	vreg_wlan: wlan-regulator {
> +		compatible = "regulator-fixed";
> +
> +		regulator-name = "wl-reg";
> +		regulator-min-microvolt = <2950000>;
> +		regulator-max-microvolt = <2950000>;
> +
> +		gpio = <&tlmm 110 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&wlan_regulator_default_state>;
> +	};
> +};
> +
> +&adsp {
> +	status = "okay";
> +};
> +
> +&blsp1_i2c5 {
> +	status = "okay";
> +	clock-frequency = <384000>;
> +
> +	touchscreen@20 {
> +		compatible = "syna,rmi4-i2c";
> +		reg = <0x20>;
> +
> +		interrupts-extended = <&tlmm 17 IRQ_TYPE_EDGE_FALLING>;
> +		vdd-supply = <&pm8226_l19>;
> +		vio-supply = <&pm8226_lvs1>;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&touch_default_state>;
> +
> +		syna,startup-delay-ms = <160>;
> +
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		rmi4-f01@1 {
> +			reg = <0x1>;
> +			syna,nosleep-mode = <1>;
> +		};
> +
> +		rmi4-f12@12 {
> +			reg = <0x12>;
> +			syna,sensor-type = <1>;
> +		};
> +	};
> +};
> +
> +&blsp1_uart4 {
> +	status = "okay";
> +
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&blsp1_uart4_default_state>;
> +
> +	bluetooth {
> +		compatible = "brcm,bcm43430a0-bt";
> +		max-speed = <3000000>;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&bluetooth_default_state>;
> +
> +		host-wakeup-gpios = <&tlmm 64 GPIO_ACTIVE_HIGH>;
> +		device-wakeup-gpios = <&tlmm 63 GPIO_ACTIVE_HIGH>;
> +		shutdown-gpios = <&tlmm 67 GPIO_ACTIVE_HIGH>;
> +	};
> +};
> +
> +&rpm_requests {
> +	pm8226-regulators {
> +		compatible = "qcom,rpm-pm8226-regulators";
> +
> +		pm8226_s3: s3 {
> +			regulator-min-microvolt = <1200000>;
> +			regulator-max-microvolt = <1300000>;
> +		};
> +		pm8226_s4: s4 {
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <2200000>;
> +		};
> +		pm8226_s5: s5 {
> +			regulator-min-microvolt = <1150000>;
> +			regulator-max-microvolt = <1150000>;
> +		};
> +
> +		pm8226_l1: l1 {
> +			regulator-min-microvolt = <1225000>;
> +			regulator-max-microvolt = <1225000>;
> +		};
> +		pm8226_l2: l2 {
> +			regulator-min-microvolt = <1200000>;
> +			regulator-max-microvolt = <1200000>;
> +		};
> +		pm8226_l3: l3 {
> +			regulator-min-microvolt = <750000>;
> +			regulator-max-microvolt = <1337500>;
> +		};
> +		pm8226_l4: l4 {
> +			regulator-min-microvolt = <1200000>;
> +			regulator-max-microvolt = <1200000>;
> +		};
> +		pm8226_l5: l5 {
> +			regulator-min-microvolt = <1200000>;
> +			regulator-max-microvolt = <1200000>;
> +		};
> +		pm8226_l6: l6 {
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <1800000>;
> +		};
> +		pm8226_l7: l7 {
> +			regulator-min-microvolt = <1850000>;
> +			regulator-max-microvolt = <1850000>;
> +		};
> +		pm8226_l8: l8 {
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <1800000>;
> +		};
> +		pm8226_l9: l9 {
> +			regulator-min-microvolt = <2050000>;
> +			regulator-max-microvolt = <2050000>;
> +		};
> +		pm8226_l10: l10 {
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <1800000>;
> +		};
> +		pm8226_l12: l12 {
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <1800000>;
> +		};
> +		pm8226_l14: l14 {
> +			regulator-min-microvolt = <2750000>;
> +			regulator-max-microvolt = <2750000>;
> +		};
> +		pm8226_l15: l15 {
> +			regulator-min-microvolt = <2800000>;
> +			regulator-max-microvolt = <2800000>;
> +		};
> +		pm8226_l16: l16 {
> +			regulator-min-microvolt = <3000000>;
> +			regulator-max-microvolt = <3350000>;
> +		};
> +		pm8226_l17: l17 {
> +			regulator-min-microvolt = <2950000>;
> +			regulator-max-microvolt = <2950000>;
> +		};
> +		pm8226_l18: l18 {
> +			regulator-min-microvolt = <2950000>;
> +			regulator-max-microvolt = <2950000>;
> +		};
> +		pm8226_l19: l19 {
> +			regulator-min-microvolt = <2850000>;
> +			regulator-max-microvolt = <2850000>;
> +		};
> +		pm8226_l20: l20 {
> +			regulator-min-microvolt = <3075000>;
> +			regulator-max-microvolt = <3075000>;
> +		};
> +		pm8226_l21: l21 {
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <2950000>;
> +		};
> +		pm8226_l22: l22 {
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <2950000>;
> +		};
> +		pm8226_l23: l23 {
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <2950000>;
> +		};
> +		pm8226_l24: l24 {
> +			regulator-min-microvolt = <1300000>;
> +			regulator-max-microvolt = <1350000>;
> +		};
> +		pm8226_l25: l25 {
> +			regulator-min-microvolt = <1775000>;
> +			regulator-max-microvolt = <2125000>;
> +		};
> +		pm8226_l26: l26 {
> +			regulator-min-microvolt = <1225000>;
> +			regulator-max-microvolt = <1225000>;
> +		};
> +		pm8226_l27: l27 {
> +			regulator-min-microvolt = <2050000>;
> +			regulator-max-microvolt = <2050000>;
> +		};
> +		pm8226_l28: l28 {
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <2950000>;
> +		};
> +
> +		pm8226_lvs1: lvs1 {};
> +	};
> +};
> +
> +&sdhc_1 {
> +	status = "okay";
> +
> +	vmmc-supply = <&pm8226_l17>;
> +	vqmmc-supply = <&pm8226_l6>;
> +
> +	bus-width = <8>;
> +	non-removable;
> +};
> +
> +&sdhc_3 {
> +	status = "okay";
> +
> +	max-frequency = <100000000>;
> +	non-removable;
> +
> +	vmmc-supply = <&vreg_wlan>;
> +	vqmmc-supply = <&pm8226_l6>;
> +
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +
> +	wifi@1 {
> +		compatible = "brcm,bcm43430a0-fmac", "brcm,bcm4329-fmac";
> +		reg = <1>;
> +
> +		interrupts-extended = <&tlmm 66 IRQ_TYPE_EDGE_FALLING>;
> +		interrupt-names = "host-wake";
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&wlan_hostwake_default_state>;
> +	};
> +};
> +
> +&smbb {
> +	qcom,fast-charge-safe-voltage = <4370000>;
> +	qcom,fast-charge-high-threshold-voltage = <4350000>;
> +	qcom,minimum-input-voltage = <4350000>;
> +	qcom,fast-charge-current-limit = <300000>;
> +	qcom,fast-charge-safe-current = <600000>;
> +	qcom,auto-recharge-threshold-voltage = <4240000>;
> +};
> +
> +&tlmm {
> +	blsp1_uart4_default_state: blsp1-uart4-default-state {
> +		pins = "gpio12", "gpio13", "gpio14", "gpio15";
> +		function = "blsp_uart4";
> +		drive-strength = <8>;
> +		bias-disable;
> +	};
> +
> +	bluetooth_default_state: bluetooth-default-state {
> +		pins = "gpio63", "gpio64";
> +		function = "gpio";
> +		drive-strength = <2>;
> +		bias-pull-down;
> +	};
> +
> +	touch_default_state: touch-default-state {
> +		irq {
> +			pins = "gpio17";
> +			function = "gpio";
> +			drive-strength = <8>;
> +			bias-pull-up;
> +		};
> +
> +		reset {
> +			pins = "gpio16";
> +			function = "gpio";
> +			drive-strength = <6>;
> +			bias-pull-up;
> +		};
> +	};
> +
> +	wlan_hostwake_default_state: wlan-hostwake-default-state {
> +		pins = "gpio66";
> +		function = "gpio";
> +		drive-strength = <2>;
> +		bias-disable;
> +		input-enable;
> +	};
> +
> +	wlan_regulator_default_state: wlan-regulator-default-state {
> +		pins = "gpio110";
> +		function = "gpio";
> +		drive-strength = <2>;
> +		bias-pull-down;
> +	};
> +};
> +
> +&usb {
> +	status = "okay";
> +	extcon = <&smbb>;
> +	dr_mode = "peripheral";
> +};
> +
> +&usb_hs_phy {
> +	extcon = <&smbb>;
> +	v1p8-supply = <&pm8226_l10>;
> +	v3p3-supply = <&pm8226_l20>;
> +};

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