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

From: Konrad Dybcio
Date: Tue Sep 27 2022 - 09:06:23 EST



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>;
> +};