* [PATCH 1/2] dt-bindings: arm: samsung: add compatible for samsung-j7xelte
2026-01-24 20:05 [PATCH 0/2] Add device tree for Samsung Galaxy J7 (2016) Kaustabh Chakraborty
@ 2026-01-24 20:05 ` Kaustabh Chakraborty
2026-01-24 20:05 ` [PATCH 2/2] arm64: dts: exynos: add initial support for Samsung Galaxy J7 (2016) Kaustabh Chakraborty
` (2 subsequent siblings)
3 siblings, 0 replies; 10+ messages in thread
From: Kaustabh Chakraborty @ 2026-01-24 20:05 UTC (permalink / raw)
To: Krzysztof Kozlowski, Alim Akhtar, Rob Herring, Conor Dooley,
Krzysztof Kozlowski, Kees Cook, Tony Luck, Guilherme G. Piccoli
Cc: linux-arm-kernel, linux-samsung-soc, devicetree, linux-kernel,
Kaustabh Chakraborty
Document the board compatible for Samsung Galaxy J7 (2016), an
Exynos7870 device.
Signed-off-by: Kaustabh Chakraborty <kauschluss@disroot.org>
---
Documentation/devicetree/bindings/arm/samsung/samsung-boards.yaml | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/arm/samsung/samsung-boards.yaml b/Documentation/devicetree/bindings/arm/samsung/samsung-boards.yaml
index f8e20e602c205..711824c0dd7e3 100644
--- a/Documentation/devicetree/bindings/arm/samsung/samsung-boards.yaml
+++ b/Documentation/devicetree/bindings/arm/samsung/samsung-boards.yaml
@@ -217,6 +217,7 @@ properties:
- enum:
- samsung,a2corelte # Samsung Galaxy A2 Core
- samsung,j6lte # Samsung Galaxy J6
+ - samsung,j7xelte # Samsung Galaxy J7 (2016)
- samsung,on7xelte # Samsung Galaxy J7 Prime
- const: samsung,exynos7870
--
2.52.0
^ permalink raw reply related [flat|nested] 10+ messages in thread* [PATCH 2/2] arm64: dts: exynos: add initial support for Samsung Galaxy J7 (2016)
2026-01-24 20:05 [PATCH 0/2] Add device tree for Samsung Galaxy J7 (2016) Kaustabh Chakraborty
2026-01-24 20:05 ` [PATCH 1/2] dt-bindings: arm: samsung: add compatible for samsung-j7xelte Kaustabh Chakraborty
@ 2026-01-24 20:05 ` Kaustabh Chakraborty
2026-02-24 11:20 ` Krzysztof Kozlowski
2026-01-28 10:58 ` [PATCH 0/2] Add device tree " Krzysztof Kozlowski
2026-02-26 8:40 ` Krzysztof Kozlowski
3 siblings, 1 reply; 10+ messages in thread
From: Kaustabh Chakraborty @ 2026-01-24 20:05 UTC (permalink / raw)
To: Krzysztof Kozlowski, Alim Akhtar, Rob Herring, Conor Dooley,
Krzysztof Kozlowski, Kees Cook, Tony Luck, Guilherme G. Piccoli
Cc: linux-arm-kernel, linux-samsung-soc, devicetree, linux-kernel,
Kaustabh Chakraborty, Rayan Marzouk, bluebunny
From: Rayan Marzouk <rayanmarzouk743@gmail.com>
Add initial devicetree support for Samsung Galaxy J7 (2016) (codename:
j7xelte), an Exynos7870 device.
Signed-off-by: Rayan Marzouk <rayanmarzouk743@gmail.com>
Co-developed-by: bluebunny <kalorin.bok084@passinbox.com>
Signed-off-by: bluebunny <kalorin.bok084@passinbox.com>
Signed-off-by: Kaustabh Chakraborty <kauschluss@disroot.org>
---
arch/arm64/boot/dts/exynos/Makefile | 1 +
arch/arm64/boot/dts/exynos/exynos7870-j7xelte.dts | 497 ++++++++++++++++++++++
2 files changed, 498 insertions(+)
diff --git a/arch/arm64/boot/dts/exynos/Makefile b/arch/arm64/boot/dts/exynos/Makefile
index bcca631365578..fa6e6308e30a9 100644
--- a/arch/arm64/boot/dts/exynos/Makefile
+++ b/arch/arm64/boot/dts/exynos/Makefile
@@ -9,6 +9,7 @@ dtb-$(CONFIG_ARCH_EXYNOS) += \
exynos7-espresso.dtb \
exynos7870-a2corelte.dtb \
exynos7870-j6lte.dtb \
+ exynos7870-j7xelte.dtb \
exynos7870-on7xelte.dtb \
exynos7885-jackpotlte.dtb \
exynos850-e850-96.dtb \
diff --git a/arch/arm64/boot/dts/exynos/exynos7870-j7xelte.dts b/arch/arm64/boot/dts/exynos/exynos7870-j7xelte.dts
new file mode 100644
index 0000000000000..1da826ca1087d
--- /dev/null
+++ b/arch/arm64/boot/dts/exynos/exynos7870-j7xelte.dts
@@ -0,0 +1,497 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Samsung Galaxy J7 (2016) (j7xelte) device tree source
+ *
+ * Copyright (c) 2025 Rayan Marzouk <rayanmarzouk743@gmail.com>
+ */
+
+/dts-v1/;
+#include "exynos7870.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+ model = "Samsung Galaxy J7 (2016)";
+ compatible = "samsung,j7xelte", "samsung,exynos7870";
+ chassis-type = "handset";
+
+ aliases {
+ mmc0 = &mmc0;
+ mmc1 = &mmc1;
+ mmc2 = &mmc2;
+ serial0 = &serial0;
+ serial1 = &serial1;
+ serial2 = &serial2;
+ };
+
+ chosen {
+ #address-cells = <2>;
+ #size-cells = <1>;
+ ranges;
+
+ stdout-path = &serial2;
+
+ framebuffer@67000000 {
+ compatible = "simple-framebuffer";
+ reg = <0x0 0x67000000 (720 * 1280 * 4)>;
+ width = <720>;
+ height = <1280>;
+ stride = <(720 * 4)>;
+ format = "a8r8g8b8";
+ };
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ label = "GPIO Keys";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&key_home &key_power &key_voldown &key_volup>;
+
+ key-home {
+ label = "Home Key";
+ gpios = <&gpa1 7 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_HOMEPAGE>;
+ };
+
+ key-power {
+ label = "Power Key";
+ gpios = <&gpa0 0 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_POWER>;
+ };
+
+ key-voldown {
+ label = "Volume Down Key";
+ gpios = <&gpa2 1 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_VOLUMEDOWN>;
+ };
+
+ key-volup {
+ label = "Volume Up Key";
+ gpios = <&gpa2 0 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_VOLUMEUP>;
+ };
+ };
+
+ memory@40000000 {
+ device_type = "memory";
+ reg = <0x0 0x40000000 0x3e400000>,
+ <0x0 0x80000000 0x40000000>;
+ };
+
+ pwrseq_mmc1: pwrseq-mmc1 {
+ compatible = "mmc-pwrseq-simple";
+ reset-gpios = <&gpd3 6 GPIO_ACTIVE_LOW>;
+ };
+
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <1>;
+ ranges;
+
+ ramoops@46e00000 {
+ compatible = "ramoops";
+ reg = <0x0 0x46e00000 0x8000>;
+ console-size = <0x4000>;
+ pmsg-size = <0x4000>;
+ };
+
+ cont_splash_mem: framebuffer@67000000 {
+ reg = <0x0 0x67000000 0x00384000>;
+ no-map;
+ };
+ };
+
+ vdd_fixed_mmc2: regulator-fixed-mmc2 {
+ compatible = "regulator-fixed";
+ regulator-name = "vdd_fixed_mmc2";
+ regulator-max-microvolt = <2800000>;
+ regulator-min-microvolt = <2800000>;
+ gpio = <&gpc0 0 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
+ vibrator {
+ compatible = "regulator-haptic";
+ haptic-supply = <&vdd_ldo32>;
+ min-microvolt = <3300000>;
+ max-microvolt = <3300000>;
+ };
+};
+
+&gpu {
+ status = "okay";
+};
+
+&hsi2c0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ status = "okay";
+
+ pmic@66 {
+ compatible = "samsung,s2mpu05-pmic";
+ reg = <0x66>;
+ interrupt-parent = <&gpa0>;
+ interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pmic_irq>;
+
+ regulators {
+ vdd_buck1: buck1 {
+ regulator-name = "vdd_buck1";
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <1300000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vdd_buck2: buck2 {
+ regulator-name = "vdd_buck2";
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <1300000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vdd_buck3: buck3 {
+ regulator-name = "vdd_buck3";
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <1300000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vdd_buck4: buck4 {
+ regulator-name = "vdd_buck4";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1500000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vdd_buck5: buck5 {
+ regulator-name = "vdd_buck5";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <2100000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vdd_ldo1: ldo1 {
+ regulator-name = "vdd_ldo1";
+ regulator-min-microvolt = <650000>;
+ regulator-max-microvolt = <1350000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vdd_ldo2: ldo2 {
+ regulator-name = "vdd_ldo2";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <2800000>;
+ };
+
+ vdd_ldo3: ldo3 {
+ regulator-name = "vdd_ldo3";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <2375000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vdd_ldo4: ldo4 {
+ regulator-name = "vdd_ldo4";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <1350000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vdd_ldo5: ldo5 {
+ regulator-name = "vdd_ldo5";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <1350000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vdd_ldo6: ldo6 {
+ regulator-name = "vdd_ldo6";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <1350000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vdd_ldo7: ldo7 {
+ regulator-name = "vdd_ldo7";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <2375000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vdd_ldo8: ldo8 {
+ regulator-name = "vdd_ldo8";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ vdd_ldo9: ldo9 {
+ regulator-name = "vdd_ldo9";
+ regulator-min-microvolt = <650000>;
+ regulator-max-microvolt = <1350000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vdd_ldo10: ldo10 {
+ regulator-name = "vdd_ldo10";
+ regulator-min-microvolt = <650000>;
+ regulator-max-microvolt = <1350000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vdd_ldo25: ldo25 {
+ regulator-name = "vdd_ldo25";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <2375000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vdd_ldo26: ldo26 {
+ regulator-name = "vdd_ldo26";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3375000>;
+ };
+
+ vdd_ldo27: ldo27 {
+ regulator-name = "vdd_ldo27";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <2375000>;
+ };
+
+ vdd_ldo29: ldo29 {
+ regulator-name = "vdd_ldo29";
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vdd_ldo30: ldo30 {
+ regulator-name = "vdd_ldo30";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vdd_ldo31: ldo31 {
+ regulator-name = "vdd_ldo31";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vdd_ldo32: ldo32 {
+ regulator-name = "vdd_ldo32";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ vdd_ldo33: ldo33 {
+ regulator-name = "vdd_ldo33";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vdd_ldo34: ldo34 {
+ regulator-name = "vdd_ldo34";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vdd_ldo35: ldo35 {
+ regulator-name = "vdd_ldo35";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+ };
+ };
+};
+
+&i2c1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ samsung,i2c-sda-delay = <100>;
+ samsung,i2c-max-bus-freq = <400000>;
+
+ status = "okay";
+
+ touchscreen@48 {
+ compatible = "melfas,mip4_ts";
+ reg = <0x48>;
+
+ interrupt-parent = <&gpc3>;
+ interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&touch_irq>;
+ };
+};
+
+&mmc0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_rdqs &sd0_bus1 &sd0_bus4 &sd0_bus8>;
+
+ vmmc-supply = <&vdd_ldo26>;
+ vqmmc-supply = <&vdd_ldo27>;
+
+ fifo-depth = <64>;
+ samsung,dw-mshc-ciu-div = <3>;
+ samsung,dw-mshc-sdr-timing = <0 4>;
+ samsung,dw-mshc-ddr-timing = <2 4>;
+ non-removable;
+
+ status = "okay";
+};
+
+&mmc1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&sd1_clk &sd1_cmd &sd1_bus1 &sd1_bus4>;
+
+ mmc-pwrseq = <&pwrseq_mmc1>;
+
+ bus-width = <4>;
+ fifo-depth = <64>;
+ samsung,dw-mshc-ciu-div = <3>;
+ samsung,dw-mshc-sdr-timing = <0 3>;
+ samsung,dw-mshc-ddr-timing = <1 2>;
+ non-removable;
+ cap-sd-highspeed;
+ cap-sdio-irq;
+
+ status = "okay";
+
+ wifi@1 {
+ compatible = "brcm,bcm43430a1-fmac", "brcm,bcm4329-fmac";
+ reg = <0x1>;
+
+ interrupt-names = "host-wake";
+ interrupt-parent = <&gpa2>;
+ interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
+
+ reset-gpios = <&gpd3 6 GPIO_ACTIVE_LOW>;
+ };
+};
+
+&mmc2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus1 &sd2_bus4 &dwmmc2_irq>;
+
+ vmmc-supply = <&vdd_fixed_mmc2>;
+ vqmmc-supply = <&vdd_ldo2>;
+
+ bus-width = <4>;
+ card-detect-delay = <200>;
+ fifo-depth = <64>;
+ samsung,dw-mshc-ciu-div = <3>;
+ samsung,dw-mshc-sdr-timing = <0 3>;
+ samsung,dw-mshc-ddr-timing = <1 2>;
+ sd-uhs-sdr50;
+ sd-uhs-sdr104;
+ broken-cd;
+ disable-wp;
+
+ status = "okay";
+};
+
+&oscclk {
+ clock-frequency = <26000000>;
+};
+
+&pinctrl_alive {
+ dwmmc2_irq: dwmmc2-irq-pins {
+ samsung,pins = "gpa0-1";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5433_PIN_DRV_FAST_SR1>;
+ };
+
+ fuel_irq: fuel-irq-pins {
+ samsung,pins = "gpa0-3";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5433_PIN_DRV_FAST_SR1>;
+ };
+
+ key_home: key-home-pins {
+ samsung,pins = "gpa1-7";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5433_PIN_DRV_FAST_SR1>;
+ };
+
+ key_power: key-power-pins {
+ samsung,pins = "gpa0-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5433_PIN_DRV_FAST_SR1>;
+ };
+
+ key_voldown: key-voldown-pins {
+ samsung,pins = "gpa2-1";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5433_PIN_DRV_FAST_SR1>;
+ };
+
+ key_volup: key-volup-pins {
+ samsung,pins = "gpa2-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5433_PIN_DRV_FAST_SR1>;
+ };
+
+ pmic_irq: pmic-irq-pins {
+ samsung,pins = "gpa0-2";
+ samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+ samsung,pin-drv = <EXYNOS5433_PIN_DRV_FAST_SR3>;
+ };
+};
+
+&pinctrl_touch {
+ touch_irq: touch-irq-pins {
+ samsung,pins = "gpc3-2";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5433_PIN_DRV_FAST_SR1>;
+ };
+};
+
+&serial2 {
+ status = "okay";
+};
+
+&usbdrd {
+ vdd33-supply = <&vdd_ldo8>;
+
+ status = "okay";
+};
--
2.52.0
^ permalink raw reply related [flat|nested] 10+ messages in thread