arm64: dts: qcom: Add device tree for Samsung Galaxy Tab A 9.7 (2015)

The Galaxy Tab A 9.7 (2015) is a Snapdragon 410 based tablet.

This commit introduces basic support for the tablet including the
following features:
- SDHCI (internal and external storage)
- USB Device Mode
- UART
- Regulators
- WCNSS (WiFi/BT)
- GPIO keys
- Fuel gauge
- Touchscreen
- Accelerometer

Part of the DT is split out into a common dtsi since the tablet shares
majority of the design with another variant having a different screen
size.

Signed-off-by: Jasper Korten <jja2000@gmail.com>
Co-developed-by: Siddharth Manthan <siddharth_manthan@outlook.com>
Signed-off-by: Siddharth Manthan <siddharth_manthan@outlook.com>
Co-developed-by: Nikita Travkin <nikita@trvn.ru>
Signed-off-by: Nikita Travkin <nikita@trvn.ru>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230107141911.47229-3-nikita@trvn.ru

1 files changed, 113 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/qcom/msm8916-samsung-gt510.dts b/arch/arm64/boot/dts/qcom/msm8916-samsung-gt510.dts
new file mode 100644
index 000000000000..607a5dc8a534
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-gt510.dts
@@ -0,0 +1,113 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+/dts-v1/;
+
+#include "msm8916-samsung-gt5-common.dtsi"
+
+/ {
+	model = "Samsung Galaxy Tab A 9.7 (2015)";
+	compatible = "samsung,gt510", "qcom,msm8916";
+	chassis-type = "tablet";
+
+	clk_pwm: pwm {
+		compatible = "clk-pwm";
+		#pwm-cells = <2>;
+
+		clocks = <&gcc GCC_GP2_CLK>;
+
+		pinctrl-0 = <&motor_pwm_default>;
+		pinctrl-names = "default";
+	};
+
+	reg_motor_vdd: regulator-motor-vdd {
+		compatible = "regulator-fixed";
+		regulator-name = "motor_vdd";
+		regulator-min-microvolt = <3000000>;
+		regulator-max-microvolt = <3000000>;
+
+		gpio = <&msmgpio 76 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+
+		pinctrl-0 = <&motor_en_default>;
+		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 = <&msmgpio 73 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+
+		pinctrl-0 = <&tsp_en_default>;
+		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 = <&msmgpio 73 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	vibrator {
+		compatible = "pwm-vibrator";
+
+		pwms = <&clk_pwm 0 100000>;
+		pwm-names = "enable";
+
+		vcc-supply = <&reg_motor_vdd>;
+	};
+};
+
+&blsp_i2c5 {
+	status = "okay";
+
+	touchscreen@4a {
+		compatible = "atmel,maxtouch";
+		reg = <0x4a>;
+		interrupt-parent = <&msmgpio>;
+		interrupts = <13 IRQ_TYPE_LEVEL_LOW>;
+
+		vdd-supply = <&reg_tsp_1p8v>;
+		vdda-supply = <&reg_tsp_3p3v>;
+
+		reset-gpios = <&msmgpio 114 GPIO_ACTIVE_LOW>;
+
+		pinctrl-0 = <&tsp_int_rst_default>;
+		pinctrl-names = "default";
+	};
+};
+
+&msmgpio {
+	motor_en_default: motor-en-default-state {
+		pins = "gpio76";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disable;
+	};
+
+	motor_pwm_default: motor-pwm-default-state {
+		pins = "gpio50";
+		function = "gcc_gp2_clk_a";
+	};
+
+	tsp_en_default: tsp-en-default-state {
+		pins = "gpio73";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disable;
+	};
+
+	tsp_int_rst_default: tsp-int-rst-default-state {
+		pins = "gpio13", "gpio114";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disable;
+	};
+};