Re: [PATCH] arm64: dts: qcom: sagit: add initial device tree for sagit

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On 17/06/2022 05:20, Dzmitry Sankouski wrote:
> New device support - Xiaomi Mi6 phone
> 
> What works:
> - storage
> - wlan
> - touchscreen
> 
> Signed-off-by: Dzmitry Sankouski <dsankouski@xxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/Makefile             |   1 +
>  .../boot/dts/qcom/msm8998-xiaomi-sagit.dts    |  12 +
>  .../boot/dts/qcom/msm8998-xiaomi-sagit.dtsi   | 628 ++++++++++++++++++
>  3 files changed, 641 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/qcom/msm8998-xiaomi-sagit.dts
>  create mode 100644 arch/arm64/boot/dts/qcom/msm8998-xiaomi-sagit.dtsi
> 
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index 2f8aec2cc6db..aa50843dbe12 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -48,6 +48,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= msm8998-oneplus-dumpling.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= msm8998-sony-xperia-yoshino-lilac.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= msm8998-sony-xperia-yoshino-maple.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= msm8998-sony-xperia-yoshino-poplar.dtb
> +dtb-$(CONFIG_ARCH_QCOM)	+= msm8998-xiaomi-sagit.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= qcs404-evb-1000.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= qcs404-evb-4000.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= qrb5165-rb5.dtb
> diff --git a/arch/arm64/boot/dts/qcom/msm8998-xiaomi-sagit.dts b/arch/arm64/boot/dts/qcom/msm8998-xiaomi-sagit.dts
> new file mode 100644
> index 000000000000..0791615ec5da
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/msm8998-xiaomi-sagit.dts
> @@ -0,0 +1,12 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/* Copyright (c) 2016, The Linux Foundation. All rights reserved. */
> +
> +/dts-v1/;
> +
> +#include "msm8998-xiaomi-sagit.dtsi"
> +
> +/ {
> +	model = "Xiaomi Mi 6";
> +	compatible = "xiaomi,sagit", "qcom,msm8998";

You need to document the compatible.

> +	qcom,board-id = <30 0>;
> +};
> diff --git a/arch/arm64/boot/dts/qcom/msm8998-xiaomi-sagit.dtsi b/arch/arm64/boot/dts/qcom/msm8998-xiaomi-sagit.dtsi
> new file mode 100644
> index 000000000000..f2456b833324
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/msm8998-xiaomi-sagit.dtsi

Why creating a DTSI which is not used by anything else than one DTS?

> @@ -0,0 +1,628 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Xiaomi Mi 6 (sagit) device tree source based on msm8998-mtp.dtsi
> + *
> + * Copyright (c) 2022, The Linux Foundation. All rights reserved.
> + * Copyright (c) 2022, Degdag Mohamed <degdagmohamed@xxxxxxxxx>
> + */
> +
> +/dts-v1/;
> +
> +#include "msm8998.dtsi"
> +#include "pm8005.dtsi"
> +#include "pm8998.dtsi"
> +#include "pmi8998.dtsi"
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/leds/common.h>
> +#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
> +
> +/ {
> +	/* Required for bootloader to select correct board */
> +	qcom,msm-id = <292 0x20001>; /* 8998 v2.1 */
> +
> +	reserved-memory {
> +		/*
> +		 * The following memory regions on downstream are "dynamically allocated"
> +		 * but given the same addresses every time. Hard code them as these addresses
> +		 * are where the Xiaomi signed firmware expects them to be.
> +		 */
> +		ipa_fws_region: ipa@f7800000 {
> +			compatible = "shared-dma-pool";
> +			reg = <0x0 0xf7800000 0x0 0x5000>;
> +			no-map;
> +		};
> +
> +		zap_shader_region: gpu@f7900000 {
> +			compatible = "shared-dma-pool";
> +			reg = <0x0 0xf7900000 0x0 0x2000>;
> +			no-map;
> +		};
> +	};
> +
> +	gpio-keys {
> +		compatible = "gpio-keys";
> +		label = "Volume buttons";
> +		autorepeat;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&vol_up_key_default>;
> +
> +		vol-up {

key-vol-up

> +			label = "Volume up";
> +			gpios = <&pm8998_gpio 6 GPIO_ACTIVE_LOW>;
> +			linux,code = <KEY_VOLUMEUP>;
> +			debounce-interval = <15>;
> +			wakeup-source;
> +		};
> +	};
> +
> +	gpio-hall-sensor {
> +		compatible = "gpio-keys";
> +		label = "Hall effect sensor";
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&hall_sensor_default>;
> +
> +		hall-sensor {

event-hall-sensor

> +			label = "Hall Effect Sensor";
> +			gpios = <&tlmm 124 GPIO_ACTIVE_LOW>;
> +			linux,input-type = <EV_SW>;
> +			linux,code = <SW_LID>;
> +			linux,can-disable;
> +			wakeup-source;
> +		};
> +	};
> +
> +	vph_pwr: vph-pwr-regulator {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vph_pwr";
> +		regulator-always-on;
> +		regulator-boot-on;
> +	};
> +
> +	disp_vddts_vreg: disp_vddts_vreg {

1. No underscores in node name.
2. Consistent node naming, so "disp-vddts-regulator"

> +		compatible = "regulator-fixed";
> +		regulator-name = "disp_vddts_vreg";
> +		gpio = <&tlmm 50 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +		regulator-boot-on;
> +	};
> +};
> +
> +&mpss_mem {
> +	reg = <0x0 0x8d000000 0x0 0x7000000>;
> +};
> +&venus_mem {
> +	reg = <0x0 0x94000000 0x0 0x500000>;
> +};
> +&mba_mem {
> +	reg = <0x0 0x94500000 0x0 0x200000>;
> +};
> +&slpi_mem {
> +	reg = <0x0 0x94700000 0x0 0xf00000>;
> +};
> +&ipa_fw_mem {
> +	reg = <0x0 0x95600000 0x0 0x10000>;
> +};
> +&ipa_gsi_mem {
> +	reg = <0x0 0x95610000 0x0 0x5000>;
> +};
> +&gpu_mem {
> +	reg = <0x0 0x95615000 0x0 0x100000>;
> +};
> +&wlan_msa_mem {
> +	reg = <0x0 0x95715000 0x0 0x100000>;
> +};
> +
> +&blsp1_i2c5 {
> +	pinctrl-names = "default", "sleep";
> +	status = "okay";
> +
> +	touchscreen@20 {
> +		compatible = "syna,rmi4-i2c";
> +		reg = <0x20>;
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		interrupt-parent = <&tlmm>;
> +		interrupts = <125 IRQ_TYPE_EDGE_FALLING>;
> +
> +		pinctrl-names = "default", "sleep";
> +		pinctrl-0 = <&ts_active>;
> +		pinctrl-1 = <&ts_int_suspend &ts_reset_suspend>;
> +
> +		vdd-supply = <&disp_vddts_vreg>;
> +		vio-supply = <&vreg_l6a_1p8>;
> +
> +		syna,reset-delay-ms = <20>;
> +		syna,startup-delay-ms = <20>;
> +
> +		rmi4-f01@1 {
> +			reg = <0x01>;
> +			syna,nosleep-mode = <1>;
> +		};
> +
> +		rmi4-f12@12 {
> +			reg = <0x12>;
> +			touchscreen-x-mm = <64>;
> +			touchscreen-y-mm = <114>;
> +			syna,sensor-type = <1>;
> +			syna,rezero-wait-ms = <20>;
> +		};
> +
> +		rmi4-f1a@1a {
> +			reg = <0x1a>;
> +			syna,codes = <KEY_BACK KEY_APPSELECT>;
> +		};
> +	};
> +};
> +
> +&blsp1_i2c5_sleep {
> +	/delete-property/ bias-pull-up;
> +	bias-disable;
> +};
> +
> +&blsp1_uart3 {
> +	status = "okay";
> +
> +	bluetooth {
> +		compatible = "qcom,wcn3990-bt";
> +
> +		vddio-supply = <&vreg_s4a_1p8>;
> +		vddxo-supply = <&vreg_l7a_1p8>;
> +		vddrf-supply = <&vreg_l17a_1p3>;
> +		vddch0-supply = <&vreg_l25a_3p3>;
> +		max-speed = <3200000>;
> +	};
> +};
> +
> +&blsp1_uart3_on {
> +	rx {
> +		/delete-property/ bias-disable;
> +		/*
> +		 * Configure a pull-up on 46 (RX). This is needed to
> +		 * avoid garbage data when the TX pin of the Bluetooth
> +		 * module is in tri-state (module powered off or not
> +		 * driving the signal yet).
> +		 */
> +		bias-pull-up;
> +	};
> +
> +	cts {
> +		/delete-property/ bias-disable;
> +		/*
> +		 * Configure a pull-down on 47 (CTS) to match the pull
> +		 * of the Bluetooth module.
> +		 */
> +		bias-pull-down;
> +	};
> +};
> +
> +&blsp2_uart1 {
> +	status = "okay";
> +};
> +
> +&pm8005_lsid1 {
> +	pm8005-regulators {
> +		compatible = "qcom,pm8005-regulators";
> +
> +		vdd_s1-supply = <&vph_pwr>;
> +
> +		pm8005_s1: s1 { /* VDD_GFX supply */
> +			regulator-min-microvolt = <524000>;
> +			regulator-max-microvolt = <1100000>;
> +			regulator-enable-ramp-delay = <500>;
> +
> +			/* hack until we rig up the gpu consumer */
> +			regulator-always-on;
> +		};
> +	};
> +};
> +
> +&pm8998_gpio {
> +	vol_up_key_default: vol_up_key_default {

No underscores in node names. The node name should end up with "-state"
suffix.

> +		pinconf {
> +			pins = "gpio6";
> +			function = "normal";
> +			bias-pull-up;
> +			input-enable;
> +			qcom,drive-strength = <PMIC_GPIO_STRENGTH_NO>;
> +		};
> +	};
> +
> +	audio_mclk_pin: audio-mclk-pin-active {

Ditto.

> +		pins = "gpio13";
> +		function = "func2";
> +		power-source = <0>;
> +	};
> +};
> +
> +&qusb2phy {
> +	status = "okay";
> +
> +	vdda-pll-supply = <&vreg_l12a_1p8>;
> +	vdda-phy-dpdm-supply = <&vreg_l24a_3p075>;
> +};
> +
> +&rpm_requests {
> +	pm8998-regulators {
> +		compatible = "qcom,rpm-pm8998-regulators";
> +
> +		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_s13-supply = <&vph_pwr>;
> +		vdd_l1_l27-supply = <&vreg_s7a_1p025>;
> +		vdd_l2_l8_l17-supply = <&vreg_s3a_1p35>;
> +		vdd_l3_l11-supply = <&vreg_s7a_1p025>;
> +		vdd_l4_l5-supply = <&vreg_s7a_1p025>;
> +		vdd_l6-supply = <&vreg_s5a_2p04>;
> +		vdd_l7_l12_l14_l15-supply = <&vreg_s5a_2p04>;
> +		vdd_l9-supply = <&vreg_bob>;
> +		vdd_l10_l23_l25-supply = <&vreg_bob>;
> +		vdd_l13_l19_l21-supply = <&vreg_bob>;
> +		vdd_l16_l28-supply = <&vreg_bob>;
> +		vdd_l18_l22-supply = <&vreg_bob>;
> +		vdd_l20_l24-supply = <&vreg_bob>;
> +		vdd_l26-supply = <&vreg_s3a_1p35>;
> +		vdd_lvs1_lvs2-supply = <&vreg_s4a_1p8>;
> +
> +		vreg_s3a_1p35: s3 {
> +			regulator-min-microvolt = <1352000>;
> +			regulator-max-microvolt = <1352000>;
> +		};
> +		vreg_s4a_1p8: s4 {
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <1800000>;
> +			regulator-allow-set-load;
> +		};
> +		vreg_s5a_2p04: s5 {
> +			regulator-min-microvolt = <1904000>;
> +			regulator-max-microvolt = <2040000>;
> +		};
> +		vreg_s7a_1p025: s7 {
> +			regulator-min-microvolt = <900000>;
> +			regulator-max-microvolt = <1028000>;
> +		};
> +		vreg_l1a_0p875: l1 {
> +			regulator-min-microvolt = <880000>;
> +			regulator-max-microvolt = <880000>;
> +		};
> +		vreg_l2a_1p2: l2 {
> +			regulator-min-microvolt = <1200000>;
> +			regulator-max-microvolt = <1200000>;
> +		};
> +		vreg_l3a_1p0: l3 {
> +			regulator-min-microvolt = <1000000>;
> +			regulator-max-microvolt = <1000000>;
> +		};
> +		vreg_l5a_0p8: l5 {
> +			regulator-min-microvolt = <800000>;
> +			regulator-max-microvolt = <800000>;
> +		};
> +		vreg_l6a_1p8: l6 {
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <1800000>;
> +		};
> +		vreg_l7a_1p8: l7 {
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <1800000>;
> +		};
> +		vreg_l8a_1p2: l8 {
> +			regulator-min-microvolt = <1200000>;
> +			regulator-max-microvolt = <1200000>;
> +		};
> +		vreg_l9a_1p8: l9 {
> +			regulator-min-microvolt = <1808000>;
> +			regulator-max-microvolt = <2960000>;
> +		};
> +		vreg_l10a_1p8: l10 {
> +			regulator-min-microvolt = <1808000>;
> +			regulator-max-microvolt = <2960000>;
> +		};
> +		vreg_l11a_1p0: l11 {
> +			regulator-min-microvolt = <1000000>;
> +			regulator-max-microvolt = <1000000>;
> +		};
> +		vreg_l12a_1p8: l12 {
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <1800000>;
> +		};
> +		vreg_l13a_2p95: l13 {
> +			regulator-min-microvolt = <1808000>;
> +			regulator-max-microvolt = <2960000>;
> +		};
> +		vreg_l14a_1p8: l14 {
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <1800000>;
> +		};
> +		vreg_l15a_1p8: l15 {
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <1800000>;
> +		};
> +		vreg_l16a_2p7: l16 {
> +			regulator-min-microvolt = <2704000>;
> +			regulator-max-microvolt = <2704000>;
> +		};
> +		vreg_l17a_1p3: l17 {
> +			regulator-min-microvolt = <1304000>;
> +			regulator-max-microvolt = <1304000>;
> +		};
> +		vreg_l18a_2p7: l18 {
> +			regulator-min-microvolt = <2704000>;
> +			regulator-max-microvolt = <2704000>;
> +		};
> +		vreg_l19a_3p0: l19 {
> +			regulator-min-microvolt = <3008000>;
> +			regulator-max-microvolt = <3008000>;
> +		};
> +		vreg_l20a_2p95: l20 {
> +			regulator-min-microvolt = <2960000>;
> +			regulator-max-microvolt = <2960000>;
> +			regulator-allow-set-load;
> +		};
> +		vreg_l21a_2p95: l21 {
> +			regulator-min-microvolt = <2960000>;
> +			regulator-max-microvolt = <2960000>;
> +			regulator-allow-set-load;
> +			regulator-system-load = <800000>;
> +		};
> +		vreg_l22a_2p85: l22 {
> +			regulator-min-microvolt = <2864000>;
> +			regulator-max-microvolt = <2864000>;
> +		};
> +		vreg_l23a_3p3: l23 {
> +			regulator-min-microvolt = <3312000>;
> +			regulator-max-microvolt = <3312000>;
> +		};
> +		vreg_l24a_3p075: l24 {
> +			regulator-min-microvolt = <3088000>;
> +			regulator-max-microvolt = <3088000>;
> +		};
> +		vreg_l25a_3p3: l25 {
> +			regulator-min-microvolt = <3104000>;
> +			regulator-max-microvolt = <3312000>;
> +		};
> +		vreg_l26a_1p2: l26 {
> +			regulator-min-microvolt = <1200000>;
> +			regulator-max-microvolt = <1200000>;
> +			regulator-allow-set-load;
> +		};
> +		vreg_l28_3p0: l28 {
> +			regulator-min-microvolt = <3008000>;
> +			regulator-max-microvolt = <3008000>;
> +		};
> +		vreg_lvs1a_1p8: lvs1 { };
> +		vreg_lvs2a_1p8: lvs2 { };
> +	};
> +
> +	pmi8998-regulators {
> +		compatible = "qcom,rpm-pmi8998-regulators";
> +
> +		vdd_bob-supply = <&vph_pwr>;
> +
> +		vreg_bob: bob {
> +			regulator-min-microvolt = <3312000>;
> +			regulator-max-microvolt = <3600000>;
> +		};
> +	};
> +};
> +
> +&tlmm {
> +	gpio-reserved-ranges = <0 4>, <81 4>;
> +
> +	hall_sensor_default: hall-sensor-default {
> +		pins = "gpio124";
> +		function = "gpio";
> +		drive-strength = <2>;
> +		bias-disable;
> +		input-enable;
> +	};
> +	mdss_dsi_active: mdss_dsi_active {

No underscores in node names. This applies everywhere.

> +		pins = "gpio94";
> +		function = "gpio";
> +		drive-strength = <8>;
> +		bias-disable;
> +	};
> +



Best regards,
Krzysztof



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