linux-kernel - Re: [PATCH 2/2] arm64: dts: qcom: Add Acer Aspire 1

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Date:   Tue, 14 Mar 2023 09:26:39 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Nikita Travkin <nikita@...n.ru>, agross@...nel.org,
        andersson@...nel.org
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        konrad.dybcio@...aro.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht
Subject: Re: [PATCH 2/2] arm64: dts: qcom: Add Acer Aspire 1

On 14/03/2023 07:43, Nikita Travkin wrote:
> Acer Aspire 1 is a WoA laptop based on Snapdragon 7c gen1 platform.
> 
> The laptop design is similar to trogdor in the choice of primary
> components but the specifics on usage of those differ slightly.
> 
> Add the devicetree for the laptop with support for most of the
> hardware present.
> 

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

> +/ {
> +	model = "Acer Aspire 1";
> +	compatible = "acer,aspire1", "qcom,sc7180";
> +	chassis-type = "laptop";
> +
> +	reserved-memory {

Wrong ordering. Top-level nodes go alphanumeric.

> +		zap_mem: zap-shader@...40000 {
> +			reg = <0 0x80840000 0 0x2000>;
> +			no-map;
> +		};
> +
> +		venus_mem: venus@...00000 {
> +			reg = <0 0x85b00000 0 0x500000>;
> +			no-map;
> +		};
> +
> +		mpss_mem: mpss@...00000 {
> +			reg = <0x0 0x86000000 0x0 0x2000000>;
> +			no-map;
> +		};
> +
> +		adsp_mem: adsp@...00000 {
> +			reg = <0x0 0x8e400000 0x0 0x2800000>;
> +			no-map;
> +		};
> +
> +		wlan_mem: wlan@...00000 {
> +			reg = <0x0 0x93900000 0x0 0x200000>;
> +			no-map;
> +		};
> +	};
> +
> +	aliases {
> +		bluetooth0 = &bluetooth;
> +		hsuart0 = &uart3;
> +		serial0 = &uart8;
> +		wifi0 = &wifi;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	max98357a: audio-codec-0 {

Do you have second audio-codec? If not, drop -0.


> +		compatible = "maxim,max98357a";
> +		sdmode-gpios = <&tlmm 23 GPIO_ACTIVE_HIGH>;
> +
> +		pinctrl-0 = <&amp_sd_mode_default>;
> +		pinctrl-names = "default";
> +
> +		#sound-dai-cells = <0>;
> +	};
> +
> +	backlight: backlight {
> +		compatible = "pwm-backlight";
> +		pwms = <&sn65dsi86_bridge 1000000>;
> +		enable-gpios = <&tlmm 10 GPIO_ACTIVE_HIGH>;
> +
> +		pinctrl-0 = <&soc_bkoff_default>;
> +		pinctrl-names = "default";
> +	};
> +
> +	reg_brij_1p2: bridge-1p2-regulator {
> +		compatible = "regulator-fixed";
> +		regulator-name = "brij_1p2";
> +		regulator-min-microvolt = <1200000>;
> +		regulator-max-microvolt = <1200000>;
> +
> +		gpio = <&tlmm 19 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +
> +		pinctrl-0 = <&reg_edp_1p2_en_default>;
> +		pinctrl-names = "default";
> +	};
> +
> +	reg_brij_1p8: bridge-regulator {
> +		compatible = "regulator-fixed";
> +		regulator-name = "brij_1p8";
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <1800000>;
> +
> +		vin-supply = <&vreg_l8c_1p8>;
> +
> +		gpio = <&tlmm 20 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +
> +		pinctrl-0 = <&reg_edp_1p8_en_default>;
> +		pinctrl-names = "default";
> +	};
> +
> +	reg_codec_3p3: codec-regulator {
> +		compatible = "regulator-fixed";
> +		regulator-name = "codec_3p3";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +
> +		gpio = <&tlmm 83 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +
> +		pinctrl-0 = <&reg_audio_en_default>;
> +		pinctrl-names = "default";
> +	};
> +
> +	reg_lcm_3p3: panel-regulator {
> +		compatible = "regulator-fixed";
> +		regulator-name = "lcm_3p3";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +

		/*
		 * Comment starts here


> +		/* HACK: Display fails with
> +		 *
> +		 * *ERROR* Unexpected max rate (0x0); assuming 5.4 GHz
> +		 * *ERROR* Link training failed, link is off (-5)
> +		 *
> +		 * if the power to the panel was ever cut
> +		 */


> +};
> +
> +&camcc { status = "disabled"; };

Don't wrap nodes.

> +
> +&dsi0 {
> +	vdda-supply = <&vreg_l3c_1p2>;
> +	status = "okay";
> +};
> +
> +&dsi0_out {
> +	remote-endpoint = <&sn65dsi86_in>;
> +	data-lanes = <0 1 2 3>;
> +};
> +
> +&dsi_phy {
> +	vdds-supply = <&vreg_l4a_0p8>;
> +	status = "okay";
> +};
> +
> +&i2c2 {
> +	clock-frequency = <400000>;
> +	status = "okay";
> +
> +	/* embedded-controller@76 */
> +};
> +
> +&i2c4 {
> +	clock-frequency = <400000>;
> +	status = "okay";
> +
> +	/*
> +	 * NOTE: DSDT defines two possible touchpads, other one is
> +	 *
> +	 * reg = <0x15>;
> +	 * hid-descr-addr = <0x1>;
> +	 */
> +
> +	touchpad@2c {
> +		compatible = "hid-over-i2c";
> +		reg = <0x2c>;
> +		hid-descr-addr = <0x20>;
> +
> +		vdd-supply = <&reg_tp_3p3>;
> +
> +		interrupts-extended = <&tlmm 94 IRQ_TYPE_LEVEL_LOW>;
> +
> +		pinctrl-0 = <&hid_touchpad_default>;
> +		pinctrl-names = "default";
> +	};
> +
> +	keyboard@3a {
> +		compatible = "hid-over-i2c";
> +		reg = <0x3a>;
> +		hid-descr-addr = <0x1>;
> +
> +		interrupts-extended = <&tlmm 33 IRQ_TYPE_LEVEL_LOW>;
> +
> +		pinctrl-0 = <&hid_keyboard_default>;
> +		pinctrl-names = "default";
> +
> +		wakeup-source;
> +	};
> +};
> +
> +&i2c9 {
> +	clock-frequency = <400000>;
> +	status = "okay";
> +
> +	alc5682: codec@1a {
> +		compatible = "realtek,rt5682i";
> +		reg = <0x1a>;
> +
> +		#sound-dai-cells = <1>;
> +
> +		interrupt-parent = <&tlmm>;
> +		/*
> +		 * This will get ignored because the interrupt type
> +		 * is set in rt5682.c.

Don't add Linux driver stuff to DTS. Not relevant, so drop the comment.

> +		 */
> +		interrupts = <28 IRQ_TYPE_EDGE_BOTH>;
> +
> +		pinctrl-0 = <&codec_irq_default>;
> +		pinctrl-names = "default";
> +
> +		AVDD-supply = <&vreg_l15a_1p8>;
> +		MICVDD-supply = <&reg_codec_3p3>;
> +		VBAT-supply = <&reg_codec_3p3>;
> +
> +		realtek,dmic1-data-pin = <1>;
> +		realtek,dmic1-clk-pin = <1>;
> +		realtek,jd-src = <1>;
> +	};
> +};
> +
> +&i2c10 {
> +	clock-frequency = <400000>;
> +	status = "okay";
> +
> +	sn65dsi86_bridge: bridge@2c {
> +		compatible = "ti,sn65dsi86";
> +		reg = <0x2c>;
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +		#pwm-cells = <1>;
> +
> +		interrupt-parent = <&tlmm>;
> +		interrupts = <11 IRQ_TYPE_LEVEL_HIGH>;
> +
> +		enable-gpios = <&tlmm 51 GPIO_ACTIVE_HIGH>;
> +		suspend-gpios = <&tlmm 22 GPIO_ACTIVE_LOW>;
> +
> +		pinctrl-0 = <&bridge_en_default>,
> +			<&edp_bridge_irq_default>,
> +			<&bridge_suspend_default>;

Align entries.

> +		pinctrl-names = "default";
> +
> +		vpll-supply = <&reg_brij_1p8>;
> +		vccio-supply = <&reg_brij_1p8>;
> +		vcca-supply = <&reg_brij_1p2>;
> +		vcc-supply = <&reg_brij_1p2>;
> +
> +		clocks = <&rpmhcc RPMH_LN_BB_CLK3>;
> +		clock-names = "refclk";
> +
> +		ports {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			port@0 {
> +				reg = <0>;
> +
> +				sn65dsi86_in: endpoint {
> +					remote-endpoint = <&dsi0_out>;
> +				};
> +			};
> +
> +			port@1 {
> +				reg = <1>;
> +
> +				sn65dsi86_out: endpoint {
> +					data-lanes = <0 1>;
> +					remote-endpoint = <&panel_in_edp>;
> +				};
> +			};
> +		};
> +
> +		aux-bus {
> +			panel: panel {
> +				compatible = "edp-panel";
> +				power-supply = <&reg_lcm_3p3>;
> +				backlight = <&backlight>;
> +
> +				port {
> +					panel_in_edp: endpoint {
> +						remote-endpoint = <&sn65dsi86_out>;
> +					};
> +				};
> +			};
> +		};
> +	};
> +};
> +
> +&gpu {
> +	status = "okay";
> +
> +	zap-shader {
> +		memory-region = <&zap_mem>;
> +		firmware-name = "qcom/sc7180-acer-aspire1/qcdxkmsuc7180.mbn";
> +	};
> +};
> +
> +/* Seems like ADSP really insists on managing those itself */
> +&lpasscc { status = "disabled"; };
> +&lpass_hm { status = "disabled"; };

No wrapping.

> +
> +&mdp {
> +	status = "okay";
> +};
> +
> +&mdss {
> +	status = "okay";
> +};
> +
> +&pm6150_adc {
> +	thermistor@4e {
> +		reg = <ADC5_AMUX_THM2_100K_PU>;
> +		qcom,ratiometric;
> +		qcom,hw-settle-time = <200>;
> +	};
> +
> +	charger-thermistor@4f {
> +		reg = <ADC5_AMUX_THM3_100K_PU>;
> +		qcom,ratiometric;
> +		qcom,hw-settle-time = <200>;
> +	};
> +};
> +
> +&pm6150_adc_tm {
> +	status = "okay";
> +
> +	charger-thermistor@0 {
> +		reg = <0>;
> +		io-channels = <&pm6150_adc ADC5_AMUX_THM3_100K_PU>;
> +		qcom,ratiometric;
> +		qcom,hw-settle-time-us = <200>;
> +	};
> +
> +	thermistor@1 {
> +		reg = <1>;
> +		io-channels = <&pm6150_adc ADC5_AMUX_THM2_100K_PU>;
> +		qcom,ratiometric;
> +		qcom,hw-settle-time-us = <200>;
> +	};
> +};
> +
> +&pm6150_pon { status = "disabled"; };
> +
> +&qupv3_id_0 {
> +	status = "okay";
> +};
> +
> +&qupv3_id_1 {
> +	status = "okay";
> +};
> +
> +&remoteproc_mpss {
> +	firmware-name = "qcom/sc7180-acer-aspire1/qcmpss7180_nm.mbn";
> +	status = "okay";
> +};
> +
> +&sdhc_1 {
> +	pinctrl-0 = <&sdc1_default>;
> +	pinctrl-1 = <&sdc1_sleep>;
> +	pinctrl-names = "default", "sleep";
> +	vmmc-supply = <&vreg_l19a_2p9>;
> +	vqmmc-supply = <&vreg_l12a_1p8>;
> +
> +	status = "okay";
> +};
> +
> +&uart3 {
> +	/delete-property/interrupts;
> +	interrupts-extended = <&intc GIC_SPI 604 IRQ_TYPE_LEVEL_HIGH>,
> +				<&tlmm 41 IRQ_TYPE_EDGE_FALLING>;

Looks not aligned.

> +
> +	pinctrl-1 = <&qup_uart3_sleep>;
> +	pinctrl-names = "default", "sleep";
> +
> +	status = "okay";
> +
> +	bluetooth: bluetooth {
> +		compatible = "qcom,wcn3991-bt";
> +		vddio-supply = <&vreg_l10a_1p8>;
> +		vddxo-supply = <&vreg_l1c_1p8>;
> +		vddrf-supply = <&vreg_l2c_1p3>;
> +		vddch0-supply = <&vreg_l10c_3p3>;
> +		max-speed = <3200000>;
> +	};
> +};
> +
> +&uart8 {
> +	status = "okay";
> +};
> +
> +&usb_1 {
> +	status = "okay";
> +};
> +
> +&usb_1_dwc3 {
> +	dr_mode = "host";
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +
> +	usb_hub_2_x: hub@1 {
> +		compatible = "usbbda,5411";
> +		reg = <1>;
> +		peer-hub = <&usb_hub_3_x>;
> +	};
> +
> +	usb_hub_3_x: hub@2 {
> +		compatible = "usbbda,411";
> +		reg = <2>;
> +		peer-hub = <&usb_hub_2_x>;
> +	};
> +};
> +
> +&usb_1_hsphy {
> +	vdd-supply = <&vreg_l4a_0p8>;
> +	vdda-pll-supply = <&vreg_l11a_1p8>;
> +	vdda-phy-dpdm-supply = <&vreg_l17a_3p0>;
> +	qcom,imp-res-offset-value = <8>;
> +	qcom,preemphasis-level = <QUSB2_V2_PREEMPHASIS_15_PERCENT>;
> +	qcom,preemphasis-width = <QUSB2_V2_PREEMPHASIS_WIDTH_HALF_BIT>;
> +	qcom,bias-ctrl-value = <0x22>;
> +	qcom,charge-ctrl-value = <3>;
> +	qcom,hsdisc-trim-value = <0>;
> +
> +	status = "okay";
> +};
> +
> +&usb_1_qmpphy {
> +	vdda-phy-supply = <&vreg_l3c_1p2>;
> +	vdda-pll-supply = <&vreg_l4a_0p8>;
> +	status = "okay";
> +};
> +
> +&venus {
> +	firmware-name = "qcom/sc7180-acer-aspire1/qcvss7180.mbn";
> +};
> +
> +&wifi {
> +	vdd-0.8-cx-mx-supply = <&vreg_l9a_0p6>;
> +	vdd-1.8-xo-supply = <&vreg_l1c_1p8>;
> +	vdd-1.3-rfa-supply = <&vreg_l2c_1p3>;
> +	vdd-3.3-ch0-supply = <&vreg_l10c_3p3>;
> +	vdd-3.3-ch1-supply = <&vreg_l11c_3p3>;
> +	status = "okay";
> +};
> +
> +&apps_rsc {
> +	pm6150-rpmh-regulators {

regulators-0

We fixed it some time ago, so:
Does not look like you tested the DTS against bindings. Please run `make
dtbs_check` (see Documentation/devicetree/bindings/writing-schema.rst
for instructions).

> +		compatible = "qcom,pm6150-rpmh-regulators";
> +		qcom,pmic-id = "a";
> +
> +		vreg_s1a_1p1: smps1 {
> +			regulator-min-microvolt = <1128000>;
> +			regulator-max-microvolt = <1128000>;
> +		};
> +
> +		vreg_l4a_0p8: ldo4 {
> +			regulator-min-microvolt = <824000>;
> +			regulator-max-microvolt = <928000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l9a_0p6: ldo9 {
> +			regulator-min-microvolt = <488000>;
> +			regulator-max-microvolt = <800000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l10a_1p8: ldo10 {
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <1800000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +
> +			regulator-always-on;
> +			regulator-boot-on;
> +		};
> +
> +		vreg_l11a_1p8: ldo11 {
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <1800000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l12a_1p8: ldo12 {
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <1800000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l13a_1p8: ldo13 {
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <1800000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l14a_1p8: ldo14 {
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <1800000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l15a_1p8: ldo15 {
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <1800000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l16a_2p7: ldo16 {
> +			regulator-min-microvolt = <2496000>;
> +			regulator-max-microvolt = <3304000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l17a_3p0: ldo17 {
> +			regulator-min-microvolt = <2920000>;
> +			regulator-max-microvolt = <3232000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l18a_2p8: ldo18 {
> +			regulator-min-microvolt = <2496000>;
> +			regulator-max-microvolt = <3304000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_l19a_2p9: ldo19 {
> +			regulator-min-microvolt = <2960000>;
> +			regulator-max-microvolt = <2960000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +	};
> +
> +	pm6150l-rpmh-regulators {

Does not look like you tested the DTS against bindings. Please run `make
dtbs_check` (see Documentation/devicetree/bindings/writing-schema.rst
for instructions).



Best regards,
Krzysztof