This dts adds support for Samsung Galaxy A7 smartphone released in 2015.
Add a device tree for A7 with initial support for:
- GPIO keys
- Hall Sensor
- SDHCI (internal and external storage)
- USB Device Mode
- UART (on USB connector via the SM5502 MUIC)
- WCNSS (WiFi/BT)
- Regulators
Signed-off-by: Lin, Meng-Bo <linmengbo0689@xxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/Makefile | 1 +
.../boot/dts/qcom/msm8939-samsung-a7.dts | 163 ++++++++++++++++++
2 files changed, 164 insertions(+)
create mode 100644 arch/arm64/boot/dts/qcom/msm8939-samsung-a7.dts
diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index 337abc4ceb17..23fd31d4bf5a 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -39,6 +39,7 @@ dtb-$(CONFIG_ARCH_QCOM) += msm8916-thwc-uf896.dtb
dtb-$(CONFIG_ARCH_QCOM) += msm8916-thwc-ufi001c.dtb
dtb-$(CONFIG_ARCH_QCOM) += msm8916-wingtech-wt88047.dtb
dtb-$(CONFIG_ARCH_QCOM) += msm8916-yiming-uz801v3.dtb
+dtb-$(CONFIG_ARCH_QCOM) += msm8939-samsung-a7.dtb
dtb-$(CONFIG_ARCH_QCOM) += msm8939-sony-xperia-kanuti-tulip.dtb
dtb-$(CONFIG_ARCH_QCOM) += msm8953-motorola-potter.dtb
dtb-$(CONFIG_ARCH_QCOM) += msm8953-xiaomi-daisy.dtb
diff --git a/arch/arm64/boot/dts/qcom/msm8939-samsung-a7.dts b/arch/arm64/boot/dts/qcom/msm8939-samsung-a7.dts
new file mode 100644
index 000000000000..cf2738bc3313
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/msm8939-samsung-a7.dts
@@ -0,0 +1,163 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+/dts-v1/;
+
+#include "msm8939-pm8916.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+ model = "Samsung Galaxy A7 (2015)";
+ compatible = "samsung,a7", "qcom,msm8939";
+ chassis-type = "handset";
+
+ aliases {
+ mmc0 = &sdhc_1; /* SDC1 eMMC slot */
+ mmc1 = &sdhc_2; /* SDC2 SD card slot */
+ serial0 = &blsp_uart2;
+ };
+
+ chosen {
+ stdout-path = "serial0";
+ };
+
+ reserved-memory {
+ /* Additional memory used by Samsung firmware modifications */
+ tz-apps@85500000 {
+ reg = <0x0 0x85500000 0x0 0xb00000>;
+ no-map;
+ };
+ };
+
+ gpio-hall-sensor {
+ compatible = "gpio-keys";
+
+ pinctrl-0 = <&gpio_hall_sensor_default>;
+ pinctrl-names = "default";
+
+ label = "GPIO Hall Effect Sensor";
+
+ event-hall-sensor {
+ label = "Hall Effect Sensor";
+ gpios = <&tlmm 52 GPIO_ACTIVE_LOW>;
+ linux,input-type = <EV_SW>;
+ linux,code = <SW_LID>;
+ linux,can-disable;
+ };
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ pinctrl-0 = <&gpio_keys_default>;
+ pinctrl-names = "default";
+
+ label = "GPIO Buttons";
+
+ button-volume-up {
+ label = "Volume Up";
+ gpios = <&tlmm 107 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_VOLUMEUP>;
+ };
+
+ button-home {
+ label = "Home";
+ gpios = <&tlmm 109 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_HOMEPAGE>;
+ };
+ };
+};
+
+&blsp_i2c1 {
+ status = "okay";
+
+ muic: extcon@25 {
+ compatible = "siliconmitus,sm5502-muic";
+ reg = <0x25>;
+
+ interrupt-parent = <&tlmm>;
+ interrupts = <12 IRQ_TYPE_EDGE_FALLING>;
+
+ pinctrl-0 = <&muic_int_default>;
+ pinctrl-names = "default";
+ };
+};
+
+&blsp_uart2 {
+ status = "okay";
+};
+
+&pm8916_resin {
+ linux,code = <KEY_VOLUMEDOWN>;
+ status = "okay";
+};
+
+&pm8916_rpm_regulators {
+ pm8916_l17: l17 {
+ regulator-min-microvolt = <2850000>;
+ regulator-max-microvolt = <2850000>;
+ };
+};
+
+&sdhc_1 {
+ status = "okay";
+};
+
+&sdhc_2 {
+ pinctrl-0 = <&sdc2_default &sdc2_cd_default>;
+ pinctrl-1 = <&sdc2_sleep &sdc2_cd_default>;
+ pinctrl-names = "default", "sleep";
+
+ cd-gpios = <&tlmm 38 GPIO_ACTIVE_LOW>;
+
+ status = "okay";
+};
+
+&usb {
+ extcon = <&muic>, <&muic>;
+ status = "okay";
+};
+
+&usb_hs_phy {
+ extcon = <&muic>;
+};
+
+&wcnss {
+ status = "okay";
+};
+
+&wcnss_iris {
+ compatible = "qcom,wcn3660b";
+};
+
+&tlmm {
+ gpio_hall_sensor_default: gpio-hall-sensor-default-state {
+ pins = "gpio52";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ gpio_keys_default: gpio-keys-default-state {
+ pins = "gpio107", "gpio109";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+
+ muic_int_default: muic-int-default-state {
+ pins = "gpio12";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ sdc2_cd_default: sdc2-cd-default-state {
+ pins = "gpio38";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+};
--
2.39.2
