[PATCH v3 2/2] ARM: dts: qcom: Add support for Samsung Galaxy Tab 4 8.0 Wi-Fi

From: Bryant Mairs
Date: Mon Feb 19 2024 - 16:47:33 EST

Add support for this tablet based on the MSM8226 SoC, codenamed
"milletwifi".

Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Reviewed-by: Luca Weiss <luca@xxxxxxxxx>
Signed-off-by: Bryant Mairs <bryant@xxxxxx>
---
arch/arm/boot/dts/qcom/Makefile | 1 +
.../qcom/qcom-apq8026-samsung-milletwifi.dts | 573 ++++++++++++++++++
2 files changed, 574 insertions(+)
create mode 100644 arch/arm/boot/dts/qcom/qcom-apq8026-samsung-milletwifi.dts

diff --git a/arch/arm/boot/dts/qcom/Makefile b/arch/arm/boot/dts/qcom/Makefile
index 9cc1e14e6cd0..730d98c2c715 100644
--- a/arch/arm/boot/dts/qcom/Makefile
+++ b/arch/arm/boot/dts/qcom/Makefile
@@ -5,6 +5,7 @@ dtb-$(CONFIG_ARCH_QCOM) += \
qcom-apq8026-huawei-sturgeon.dtb \
qcom-apq8026-lg-lenok.dtb \
qcom-apq8026-samsung-matisse-wifi.dtb \
+ qcom-apq8026-samsung-milletwifi.dtb \
qcom-apq8060-dragonboard.dtb \
qcom-apq8064-cm-qs600.dtb \
qcom-apq8064-ifc6410.dtb \
diff --git a/arch/arm/boot/dts/qcom/qcom-apq8026-samsung-milletwifi.dts b/arch/arm/boot/dts/qcom/qcom-apq8026-samsung-milletwifi.dts
new file mode 100644
index 000000000000..7d519156d91d
--- /dev/null
+++ b/arch/arm/boot/dts/qcom/qcom-apq8026-samsung-milletwifi.dts
@@ -0,0 +1,573 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2022, Matti Lehtimäki <matti.lehtimaki@xxxxxxxxx>
+ * Copyright (c) 2023, Bryant Mairs <bryant@xxxxxx>
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/power/summit,smb347-charger.h>
+#include "qcom-msm8226.dtsi"
+#include "pm8226.dtsi"
+
+/delete-node/ &adsp_region;
+/delete-node/ &smem_region;
+
+/ {
+ model = "Samsung Galaxy Tab 4 8.0 Wi-Fi";
+ compatible = "samsung,milletwifi", "qcom,apq8026";
+ chassis-type = "tablet";
+
+ aliases {
+ display0 = &framebuffer0;
+ mmc0 = &sdhc_1; /* SDC1 eMMC slot */
+ mmc1 = &sdhc_2; /* SDC2 SD card slot */
+ };
+
+ chosen {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ stdout-path = "display0";
+
+ framebuffer0: framebuffer@3200000 {
+ compatible = "simple-framebuffer";
+ reg = <0x03200000 0x800000>;
+ width = <800>;
+ height = <1280>;
+ stride = <(800 * 3)>;
+ format = "r8g8b8";
+ };
+ };
+
+ gpio-hall-sensor {
+ compatible = "gpio-keys";
+
+ event-hall-sensor {
+ label = "Cover";
+ gpios = <&tlmm 37 GPIO_ACTIVE_LOW>;
+ linux,input-type = <EV_SW>;
+ linux,code = <SW_LID>;
+ debounce-interval = <15>;
+ linux,can-disable;
+ 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>;
+ };
+ };
+
+ i2c-backlight {
+ compatible = "i2c-gpio";
+ sda-gpios = <&tlmm 20 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
+ scl-gpios = <&tlmm 21 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
+
+ pinctrl-0 = <&backlight_i2c_default_state>;
+ pinctrl-names = "default";
+
+ i2c-gpio,delay-us = <4>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ backlight@2c {
+ compatible = "ti,lp8556";
+ reg = <0x2c>;
+ enable-supply = <&reg_backlight_vddio>;
+
+ dev-ctrl = /bits/ 8 <0x80>;
+ init-brt = /bits/ 8 <0x3f>;
+
+ /*
+ * Change transition duration: 200ms, Change
+ * transition strength: heavy, PWM hysteresis:
+ * 1-bit w/ 8-bit resolution
+ */
+ rom-a3h {
+ rom-addr = /bits/ 8 <0xa3>;
+ rom-val = /bits/ 8 <0x5e>;
+ };
+
+ /*
+ * PWM phase configuration: 3-phase/3 drivers
+ * (0, 120deg, 240deg, -, -, -),
+ * PWM frequency: 9616Hz (10-bit)
+ */
+ rom-a5h {
+ rom-addr = /bits/ 8 <0xa5>;
+ rom-val = /bits/ 8 <0x34>;
+ };
+
+ /*
+ * Enable LED drivers 2 & 3, Boot inductor
+ * current limit: 1.5A/2.6A
+ */
+ rom-a7h {
+ rom-addr = /bits/ 8 <0xa7>;
+ rom-val = /bits/ 8 <0xfa>;
+ };
+ };
+ };
+
+ reg_backlight_vddio: regulator-backlight-vddio {
+ compatible = "regulator-fixed";
+ regulator-name = "backlight_vddio";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+
+ gpio = <&tlmm 74 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+
+ pinctrl-0 = <&backlight_vddio_default_state>;
+ pinctrl-names = "default";
+ };
+
+ reg_tsp_1p8v: regulator-tsp-1p8v {
+ compatible = "regulator-fixed";
+ regulator-name = "tsp_1p8v";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+
+ gpio = <&tlmm 114 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+
+ pinctrl-0 = <&tsp_en1_default_state>;
+ pinctrl-names = "default";
+ };
+
+ reg_tsp_3p3v: regulator-tsp-3p3v {
+ compatible = "regulator-fixed";
+ regulator-name = "tsp_3p3v";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+
+ gpio = <&tlmm 31 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+
+ pinctrl-0 = <&tsp_en_default_state>;
+ pinctrl-names = "default";
+ };
+
+ reserved-memory {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ framebuffer@3200000 {
+ reg = <0x03200000 0x800000>;
+ no-map;
+ };
+
+ mpss_region: mpss@8400000 {
+ reg = <0x08400000 0x1f00000>;
+ no-map;
+ };
+
+ mba_region: mba@a300000 {
+ reg = <0x0a300000 0x100000>;
+ no-map;
+ };
+
+ reserved@cb00000 {
+ reg = <0x0cb00000 0x700000>;
+ no-map;
+ };
+
+ wcnss_region: wcnss@d200000 {
+ reg = <0x0d200000 0x700000>;
+ no-map;
+ };
+
+ adsp_region: adsp@d900000 {
+ reg = <0x0d900000 0x1800000>;
+ no-map;
+ };
+
+ venus@f100000 {
+ reg = <0x0f100000 0x500000>;
+ no-map;
+ };
+
+ smem_region: smem@fa00000 {
+ reg = <0x0fa00000 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>;
+
+ interrupts-extended = <&tlmm 54 IRQ_TYPE_LEVEL_HIGH>;
+
+ pinctrl-0 = <&accel_int_default_state>;
+ pinctrl-names = "default";
+
+ vdd-supply = <&pm8226_l19>;
+ vddio-supply = <&pm8226_lvs1>;
+
+ mount-matrix = "0", "1", "0",
+ "-1", "0", "0",
+ "0", "0", "1";
+
+ st,drdy-int-pin = <1>;
+ };
+};
+
+&blsp1_i2c3 {
+ status = "okay";
+
+ charger@6a {
+ compatible = "summit,smb358";
+ reg = <0x6a>;
+
+ interrupts-extended = <&tlmm 115 IRQ_TYPE_EDGE_FALLING>;
+
+ pinctrl-0 = <&charger_int_default_state>;
+ pinctrl-names = "default";
+
+ summit,enable-usb-charging;
+ summit,enable-charge-control = <SMB3XX_CHG_ENABLE_SW>;
+ summit,fast-voltage-threshold-microvolt = <3000000>;
+ summit,chip-temperature-threshold-celsius = <130>;
+ summit,usb-current-limit-microamp = <1500000>;
+ };
+};
+
+&blsp1_i2c4 {
+ status = "okay";
+
+ muic: usb-switch@25 {
+ compatible = "siliconmitus,sm5502-muic";
+ reg = <0x25>;
+
+ interrupts-extended = <&tlmm 67 IRQ_TYPE_EDGE_FALLING>;
+
+ pinctrl-0 = <&muic_int_default_state>;
+ pinctrl-names = "default";
+ };
+};
+
+&blsp1_i2c5 {
+ status = "okay";
+
+ touchscreen@48 {
+ compatible = "melfas,mms252", "melfas,mms114";
+ reg = <0x48>;
+ interrupts-extended = <&tlmm 17 IRQ_TYPE_EDGE_FALLING>;
+ touchscreen-size-x = <800>;
+ touchscreen-size-y = <1280>;
+ avdd-supply = <&reg_tsp_3p3v>;
+ vdd-supply = <&reg_tsp_1p8v>;
+ linux,keycodes = <KEY_APPSELECT KEY_BACK>;
+
+ pinctrl-0 = <&tsp_int_rst_default_state>;
+ pinctrl-names = "default";
+ };
+};
+
+&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 {
+ vmmc-supply = <&pm8226_l17>;
+ vqmmc-supply = <&pm8226_l6>;
+
+ bus-width = <8>;
+ non-removable;
+
+ status = "okay";
+};
+
+&sdhc_2 {
+ vmmc-supply = <&pm8226_l18>;
+ vqmmc-supply = <&pm8226_l21>;
+
+ bus-width = <4>;
+ cd-gpios = <&tlmm 38 GPIO_ACTIVE_LOW>;
+
+ pinctrl-0 = <&sdhc2_default_state>, <&sdc2_cd_default_state>;
+ pinctrl-names = "default";
+
+ status = "okay";
+};
+
+&tlmm {
+ accel_int_default_state: accel-int-default-state {
+ pins = "gpio54";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ backlight_i2c_default_state: backlight-i2c-default-state {
+ pins = "gpio20", "gpio21";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ backlight_vddio_default_state: backlight-vddio-default-state {
+ pins = "gpio74";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ charger_int_default_state: charger-int-default-state {
+ pins = "gpio115";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ muic_int_default_state: muic-int-default-state {
+ pins = "gpio67";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ sdc2_cd_default_state: sdc2-cd-default-state {
+ pins = "gpio38";
+ 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 = "gpio114";
+ 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 {
+ extcon = <&muic>, <&muic>;
+ status = "okay";
+};
+
+&usb_hs_phy {
+ extcon = <&muic>;
+ v1p8-supply = <&pm8226_l10>;
+ v3p3-supply = <&pm8226_l20>;
+};
--
2.43.0