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>
---
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 | 42 +++++++++++++++++++
4 files changed, 53 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 a3d293e40820..cab35eeb30f6 100644
--- a/arch/arm/boot/dts/qcom/Makefile
+++ b/arch/arm/boot/dts/qcom/Makefile
@@ -34,6 +34,7 @@ dtb-$(CONFIG_ARCH_QCOM) += \
qcom-msm8916-samsung-serranove.dtb \
qcom-msm8926-microsoft-superman-lte.dtb \
qcom-msm8926-microsoft-tesla.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 b0da51f67539..3be02bdbb919 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
@@ -66,6 +66,14 @@ 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 ef98d88927ca..28317ce79e97 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..3e312f95c1fe
--- /dev/null
+++ b/arch/arm/boot/dts/qcom/qcom-msm8926-samsung-matisselte.dts
@@ -0,0 +1,42 @@
+// 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>;
+ };
+};
+
+&sdhc_2 {
+ /* SD card fails to probe with error -110 */
+ status = "disabled";
+};
+
+&tlmm {
+ tsp_en1_default_state: tsp-en1-default-state {
+ pins = "gpio32";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-disable;
+ };
+};
--
2.41.0
