Re: [PATCH v5 3/3] ARM: dts: qcom: Add support for Samsung Galaxy Tab 4 10.1 (SM-T530)

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On 25.09.2022 22:44, Matti Lehtimäki wrote:
> Add a device tree for the Samsung Galaxy Tab 4 10.1 (SM-T530) wifi tablet
> based on the apq8026 platform.
> 
> Currently supported are accelerometer sensor, hall sensor,
> internal storage, physical buttons (power & volume), screen
> (based on simple-framebuffer set up by the bootloader), sdcard,
> touchscreen and USB.
> 
> Signed-off-by: Matti Lehtimäki <matti.lehtimaki@xxxxxxxxx>
> ---
> Changes in v5:
>   - Rename pm8226-regulators node to fix issue reported by make dtbs_check
> 
> Changes in v4:
>   - Move delete-node to memory-region
>   - Move usb-switch node to blsp_i2c4
> 
> Changes in v3:
>   - Fix sdhc_2 bus width
>   - Reorder includes
> 
> Changes in v2:
>   - Change codename to matisse-wifi
>   - Remove msm-id, not needed when lk2nd is used
>   - Remove unused labels from reserved memory regions
>   - Rename muic node
> ---
>  arch/arm/boot/dts/Makefile                    |   1 +
>  .../dts/qcom-apq8026-samsung-matisse-wifi.dts | 453 ++++++++++++++++++
>  2 files changed, 454 insertions(+)
>  create mode 100644 arch/arm/boot/dts/qcom-apq8026-samsung-matisse-wifi.dts
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 05d8aef6e5d2..69f6bbcf90c6 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -1027,6 +1027,7 @@ dtb-$(CONFIG_ARCH_QCOM) += \
>  	qcom-apq8016-sbc.dtb \
>  	qcom-apq8026-asus-sparrow.dtb \
>  	qcom-apq8026-lg-lenok.dtb \
> +	qcom-apq8026-samsung-matisse-wifi.dtb \
>  	qcom-apq8060-dragonboard.dtb \
>  	qcom-apq8064-cm-qs600.dtb \
>  	qcom-apq8064-ifc6410.dtb \
> diff --git a/arch/arm/boot/dts/qcom-apq8026-samsung-matisse-wifi.dts b/arch/arm/boot/dts/qcom-apq8026-samsung-matisse-wifi.dts
> new file mode 100644
> index 000000000000..3029bc566832
> --- /dev/null
> +++ b/arch/arm/boot/dts/qcom-apq8026-samsung-matisse-wifi.dts
> @@ -0,0 +1,453 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (c) 2022, Matti Lehtimäki <matti.lehtimaki@xxxxxxxxx>
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/input/input.h>
> +#include "qcom-msm8226.dtsi"
> +#include "qcom-pm8226.dtsi"
> +
> +/ {
> +	model = "Samsung Galaxy Tab 4 10.1";
> +	compatible = "samsung,matisse-wifi", "qcom,apq8026";
> +	chassis-type = "tablet";
> +
> +	aliases {
> +		mmc0 = &sdhc_1; /* SDC1 eMMC slot */
> +		mmc1 = &sdhc_2; /* SDC2 SD card slot */
> +		display0 = &framebuffer0;
> +	};
> +
> +	chosen {
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		ranges;
> +
> +		stdout-path = "display0";
> +
> +		framebuffer0: framebuffer@3200000 {
> +			compatible = "simple-framebuffer";
> +			reg = <0x3200000 0x800000>;
Addresses should be padded to 8 hex digits.

> +			width = <1280>;
> +			height = <800>;
> +			stride = <(1280 * 3)>;
> +			format = "r8g8b8";
> +		};
> +	};
> +
> +	gpio-hall-sensor {
> +		compatible = "gpio-keys";
> +
> +		event-hall-sensor {
> +			label = "Hall Effect Sensor";
> +			gpios = <&tlmm 110 GPIO_ACTIVE_HIGH>;
> +			interrupts = <&tlmm 110 IRQ_TYPE_EDGE_FALLING>;
> +			linux,input-type = <EV_SW>;
> +			linux,code = <SW_LID>;
> +			debounce-interval = <15>;
> +			wakeup-source;
> +		};
> +	};
> +
> +	gpio-keys {
> +		compatible = "gpio-keys";
> +		autorepeat;
> +
> +		key-home {
> +			label = "Home";
> +			gpios = <&tlmm 108 GPIO_ACTIVE_LOW>;
> +			linux,code = <KEY_HOMEPAGE>;
> +			debounce-interval = <15>;
> +		};
> +
> +		key-volume-down {
> +			label = "Volume Down";
> +			gpios = <&tlmm 107 GPIO_ACTIVE_LOW>;
> +			linux,code = <KEY_VOLUMEDOWN>;
> +			debounce-interval = <15>;
> +		};
> +
> +		key-volume-up {
> +			label = "Volume Up";
> +			gpios = <&tlmm 106 GPIO_ACTIVE_LOW>;
> +			linux,code = <KEY_VOLUMEUP>;
> +			debounce-interval = <15>;
> +		};
> +	};
> +
> +	reg_tsp_1p8v: regulator-tsp-1p8v {
> +		compatible = "regulator-fixed";
> +		regulator-name = "tsp_1p8v";
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <1800000>;
> +
> +		gpio = <&tlmm 31 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&tsp_en_default_state>;
> +	};
> +
> +	reg_tsp_3p3v: regulator-tsp-3p3v {
> +		compatible = "regulator-fixed";
> +		regulator-name = "tsp_3p3v";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +
> +		gpio = <&tlmm 73 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&tsp_en1_default_state>;
> +	};
> +
> +	reserved-memory {
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		ranges;
> +
> +		framebuffer@3200000 {
> +			reg = <0x3200000 0x800000>;
Ditto
> +			no-map;
> +		};
> +
> +		mpss@8400000 {
> +			reg = <0x08400000 0x1f00000>;
> +			no-map;
> +		};
> +
> +		mba@a300000 {
> +			reg = <0x0a300000 0x100000>;
> +			no-map;
> +		};
> +
> +		reserved@cb00000 {
> +			reg = <0x0cb00000 0x700000>;
> +			no-map;
> +		};
> +
> +		wcnss@d200000 {
> +			reg = <0x0d200000 0x700000>;
> +			no-map;
> +		};
> +
> +		adsp@d900000 {
> +			reg = <0x0d900000 0x1800000>;
> +			no-map;
> +		};
> +
> +		venus@f100000 {
> +			reg = <0x0f100000 0x500000>;
> +			no-map;
> +		};
> +
> +		/delete-node/ smem@3000000;
> +		smem_region: smem@fa00000 {
> +			reg = <0xfa00000 0x100000>;
> +			no-map;
> +		};
> +
> +		reserved@fb00000 {
> +			reg = <0x0fb00000 0x260000>;
> +			no-map;
> +		};
> +
> +		rfsa@fd60000 {
> +			reg = <0x0fd60000 0x20000>;
> +			no-map;
> +		};
> +
> +		rmtfs@fd80000 {
> +			compatible = "qcom,rmtfs-mem";
> +			reg = <0x0fd80000 0x180000>;
> +			no-map;
> +
> +			qcom,client-id = <1>;
> +		};
> +	};
> +};
> +
> +&blsp1_i2c2 {
> +	status = "okay";
> +
> +	accelerometer@1d {
> +		compatible = "st,lis2hh12";
> +		reg = <0x1d>;
> +
> +		interrupt-parent = <&tlmm>;
> +		interrupts = <54 IRQ_TYPE_LEVEL_HIGH>;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&accel_int_default_state>;
> +
> +		st,drdy-int-pin = <1>;
> +
> +		vdd-supply = <&pm8226_l19>;
> +		vddio-supply = <&pm8226_lvs1>;
> +	};
> +};
> +
> +&blsp1_i2c4 {
> +	status = "okay";
> +
> +	muic: usb-switch@25 {
> +		compatible = "siliconmitus,sm5502-muic";
> +		reg = <0x25>;
> +
> +		interrupt-parent = <&tlmm>;
> +		interrupts = <67 IRQ_TYPE_EDGE_FALLING>;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&muic_int_default_state>;
> +	};
> +};
> +
> +&blsp1_i2c5 {
> +	status = "okay";
> +
> +	touchscreen@4a {
> +		compatible = "atmel,maxtouch";
> +		reg = <0x4a>;
> +
> +		interrupt-parent = <&tlmm>;
> +		interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&tsp_int_rst_default_state>;
> +
> +		reset-gpios = <&pm8226_gpios 6 GPIO_ACTIVE_LOW>;
> +
> +		vdd-supply = <&reg_tsp_1p8v>;
> +		vdda-supply = <&reg_tsp_3p3v>;
> +	};
> +};
> +
> +&rpm_requests {
> +	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 = <1800000>;
> +		};
> +
> +		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>;
> +			regulator-always-on;
> +		};
> +
> +		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>;
> +			regulator-always-on;
> +		};
> +
> +		pm8226_l7: l7 {
> +			regulator-min-microvolt = <1850000>;
> +			regulator-max-microvolt = <1850000>;
> +		};
> +
> +		pm8226_l8: l8 {
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <1800000>;
> +			regulator-always-on;
> +		};
> +
> +		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 = <1800000>;
> +			regulator-max-microvolt = <3300000>;
> +		};
> +
> +		pm8226_l16: l16 {
> +			regulator-min-microvolt = <3000000>;
> +			regulator-max-microvolt = <3350000>;
> +		};
> +
> +		pm8226_l17: l17 {
> +			regulator-min-microvolt = <2950000>;
> +			regulator-max-microvolt = <2950000>;
> +
> +			regulator-system-load = <200000>;
> +			regulator-allow-set-load;
> +			regulator-always-on;
> +		};
> +
> +		pm8226_l18: l18 {
> +			regulator-min-microvolt = <2950000>;
> +			regulator-max-microvolt = <2950000>;
> +		};
> +
> +		pm8226_l19: l19 {
> +			regulator-min-microvolt = <2850000>;
> +			regulator-max-microvolt = <3000000>;
> +		};
> +
> +		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 = <3000000>;
> +		};
> +
> +		pm8226_l23: l23 {
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <3300000>;
> +		};
> +
> +		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 = <1300000>;
> +		};
> +
> +		pm8226_l27: l27 {
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <1800000>;
> +		};
> +
> +		pm8226_l28: l28 {
> +			regulator-min-microvolt = <1800000>;
> +			regulator-max-microvolt = <2950000>;
> +		};
> +
> +		pm8226_lvs1: lvs1 {};
> +	};
> +};
> +
> +&sdhc_1 {
> +	status = "okay";
Status last, please.

> +
> +	vmmc-supply = <&pm8226_l17>;
> +	vqmmc-supply = <&pm8226_l6>;
> +
> +	bus-width = <8>;
> +	non-removable;
> +};
> +
> +&sdhc_2 {
> +	status = "okay";
Status last, please.

> +
> +	vmmc-supply = <&pm8226_l18>;
> +	vqmmc-supply = <&pm8226_l21>;
> +
> +	bus-width = <4>;
> +	cd-gpios = <&tlmm 38 GPIO_ACTIVE_LOW>;
> +};
> +
> +&tlmm {
> +	accel_int_default_state: accel-int-default-state {
> +		pins = "gpio54";
> +		function = "gpio";
> +		drive-strength = <2>;
> +		bias-disable;
> +	};
> +
> +	muic_int_default_state: muic-int-default-state {
> +		pins = "gpio67";
> +		function = "gpio";
> +		drive-strength = <2>;
> +		bias-disable;
> +	};
> +
> +	tsp_en_default_state: tsp-en-default-state {
> +		pins = "gpio31";
> +		function = "gpio";
> +		drive-strength = <2>;
> +		bias-disable;
> +	};
> +
> +	tsp_en1_default_state: tsp-en1-default-state {
> +		pins = "gpio73";
> +		function = "gpio";
> +		drive-strength = <2>;
> +		bias-disable;
> +	};
> +
> +	tsp_int_rst_default_state: tsp-int-rst-default-state {
> +		pins = "gpio17";
> +		function = "gpio";
> +		drive-strength = <10>;
> +		bias-pull-up;
> +	};
> +};
> +
> +&usb {
> +	status = "okay";
> +	extcon = <&muic>, <&muic>;
Status last, please.

Konrad
> +};
> +
> +&usb_hs_phy {
> +	extcon = <&muic>;
> +	v1p8-supply = <&pm8226_l10>;
> +	v3p3-supply = <&pm8226_l20>;
> +};



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