Add a device tree for the Samsung Galaxy Tab 4 10.1 (SM-T535) LTE tablet based on the MSM8926 platform. The common dtsi is also modified to describe the widest constraints, which required modifications to the matisse-wifi dts. Signed-off-by: Stefan Hansson <newbyte@xxxxxxxxxxxxxxxx> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> --- arch/arm/boot/dts/qcom/Makefile | 1 + .../qcom-apq8026-samsung-matisse-wifi.dts | 8 ++++ .../qcom-msm8226-samsung-matisse-common.dtsi | 4 +- .../qcom/qcom-msm8926-samsung-matisselte.dts | 37 +++++++++++++++++++ 4 files changed, 48 insertions(+), 2 deletions(-) create mode 100644 arch/arm/boot/dts/qcom/qcom-msm8926-samsung-matisselte.dts diff --git a/arch/arm/boot/dts/qcom/Makefile b/arch/arm/boot/dts/qcom/Makefile index 9cc1e14e6cd0..6478a39b3be5 100644 --- a/arch/arm/boot/dts/qcom/Makefile +++ b/arch/arm/boot/dts/qcom/Makefile @@ -36,6 +36,7 @@ dtb-$(CONFIG_ARCH_QCOM) += \ qcom-msm8926-microsoft-superman-lte.dtb \ qcom-msm8926-microsoft-tesla.dtb \ qcom-msm8926-motorola-peregrine.dtb \ + qcom-msm8926-samsung-matisselte.dtb \ qcom-msm8960-cdp.dtb \ qcom-msm8960-samsung-expressatt.dtb \ qcom-msm8974-lge-nexus5-hammerhead.dtb \ diff --git a/arch/arm/boot/dts/qcom/qcom-apq8026-samsung-matisse-wifi.dts b/arch/arm/boot/dts/qcom/qcom-apq8026-samsung-matisse-wifi.dts index ac8aef5f9d09..da3be658e822 100644 --- a/arch/arm/boot/dts/qcom/qcom-apq8026-samsung-matisse-wifi.dts +++ b/arch/arm/boot/dts/qcom/qcom-apq8026-samsung-matisse-wifi.dts @@ -73,6 +73,14 @@ touchscreen@4a { }; }; +&pm8226_l3 { + regulator-max-microvolt = <1337500>; +}; + +&pm8226_s4 { + regulator-max-microvolt = <1800000>; +}; + &tlmm { tsp_en1_default_state: tsp-en1-default-state { pins = "gpio73"; diff --git a/arch/arm/boot/dts/qcom/qcom-msm8226-samsung-matisse-common.dtsi b/arch/arm/boot/dts/qcom/qcom-msm8226-samsung-matisse-common.dtsi index 6d116f9b443b..24ed2ba85d62 100644 --- a/arch/arm/boot/dts/qcom/qcom-msm8226-samsung-matisse-common.dtsi +++ b/arch/arm/boot/dts/qcom/qcom-msm8226-samsung-matisse-common.dtsi @@ -230,7 +230,7 @@ pm8226_s3: s3 { pm8226_s4: s4 { regulator-min-microvolt = <1800000>; - regulator-max-microvolt = <1800000>; + regulator-max-microvolt = <2200000>; }; pm8226_s5: s5 { @@ -250,7 +250,7 @@ pm8226_l2: l2 { pm8226_l3: l3 { regulator-min-microvolt = <750000>; - regulator-max-microvolt = <1337500>; + regulator-max-microvolt = <1350000>; regulator-always-on; }; diff --git a/arch/arm/boot/dts/qcom/qcom-msm8926-samsung-matisselte.dts b/arch/arm/boot/dts/qcom/qcom-msm8926-samsung-matisselte.dts new file mode 100644 index 000000000000..d0e1bc39f8ef --- /dev/null +++ b/arch/arm/boot/dts/qcom/qcom-msm8926-samsung-matisselte.dts @@ -0,0 +1,37 @@ +// SPDX-License-Identifier: BSD-3-Clause +/* + * Copyright (c) 2022, Matti Lehtimäki <matti.lehtimaki@xxxxxxxxx> + * Copyright (c) 2023, Stefan Hansson <newbyte@xxxxxxxxxxxxxxxx> + */ + +/dts-v1/; + +#include "qcom-msm8226-samsung-matisse-common.dtsi" + +/ { + model = "Samsung Galaxy Tab 4 10.1 LTE"; + compatible = "samsung,matisselte", "qcom,msm8926", "qcom,msm8226"; + chassis-type = "tablet"; + + reg_tsp_3p3v: regulator-tsp-3p3v { + compatible = "regulator-fixed"; + regulator-name = "tsp_3p3v"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + + gpio = <&tlmm 32 GPIO_ACTIVE_HIGH>; + enable-active-high; + + pinctrl-names = "default"; + pinctrl-0 = <&tsp_en1_default_state>; + }; +}; + +&tlmm { + tsp_en1_default_state: tsp-en1-default-state { + pins = "gpio32"; + function = "gpio"; + drive-strength = <2>; + bias-disable; + }; +}; -- 2.43.0