--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+// Copyright (C) 2019 Stephan Gerhold
+
+/dts-v1/;
+
+#include "msm8916-pm8916.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/*
+ * NOTE: The original firmware from Samsung can only boot ARM32 kernels.
+ * Unfortunately, the firmware is signed and cannot be replaced easily.
+ * There seems to be no way to boot ARM64 kernels on this device at the moment,
+ * even though the hardware would support it.
+ *
+ * However, it is possible to use this device tree by compiling an ARM32 kernel
+ * instead. For clarity and build testing this device tree is maintained next
+ * to the other MSM8916 device trees. However, it is actually used through
+ * arch/arm/boot/dts/qcom-msm8916-samsung-serranove.dts
+ */
+
+/ {
+ model = "Samsung Galaxy S4 Mini Value Edition";
+ compatible = "samsung,serranove", "qcom,msm8916";
+
+ aliases {
+ serial0 = &blsp1_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-keys {
+ compatible = "gpio-keys";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpio_keys_default>;
+
+ label = "GPIO Buttons";
+
+ volume-up {
+ label = "Volume Up";
+ gpios = <&msmgpio 107 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_VOLUMEUP>;
+ };
+
+ home {
+ label = "Home";
+ gpios = <&msmgpio 109 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_HOMEPAGE>;
+ };
+ };
+
+ gpio-hall-sensor {
+ compatible = "gpio-keys";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpio_hall_sensor_default>;
+
+ label = "GPIO Hall Effect Sensor";
+
+ hall-sensor {
+ label = "Hall Effect Sensor";
+ gpios = <&msmgpio 52 GPIO_ACTIVE_LOW>;
+ linux,input-type = <EV_SW>;
+ linux,code = <SW_LID>;
+ linux,can-disable;
+ };
+ };
+
+ i2c-muic {
+ compatible = "i2c-gpio";
+ sda-gpios = <&msmgpio 105 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
+ scl-gpios = <&msmgpio 106 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&muic_i2c_default>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ muic: extcon@14 {
+ compatible = "siliconmitus,sm5504-muic";
+ reg = <0x14>;
+
+ interrupt-parent = <&msmgpio>;
+ interrupts = <12 IRQ_TYPE_EDGE_FALLING>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&muic_irq_default>;
+ };
+ };
+};
+
+&blsp1_uart2 {
+ status = "okay";
+};
+
+&pm8916_resin {
+ status = "okay";
+ linux,code = <KEY_VOLUMEDOWN>;
+};
+
+&pm8916_vib {
+ status = "okay";
+};
+
+&pronto {
+ status = "okay";
+
+ iris {
+ compatible = "qcom,wcn3660b";
+ };
+};
+
+&sdhc_1 {
+ status = "okay";
+
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&sdc1_clk_on &sdc1_cmd_on &sdc1_data_on>;
+ pinctrl-1 = <&sdc1_clk_off &sdc1_cmd_off &sdc1_data_off>;
+};
+
+&sdhc_2 {
+ status = "okay";
+
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&sdc2_clk_on &sdc2_cmd_on &sdc2_data_on>;
+ pinctrl-1 = <&sdc2_clk_off &sdc2_cmd_off &sdc2_data_off>;
+
+ non-removable;
+
+ /*
+ * FIXME: Disable UHS-I modes since tuning fails with:
+ *
+ * sdhci_msm 7864900.sdhci: mmc1: No tuning point found
+ * mmc1: tuning execution failed: -5
+ * mmc1: error -5 whilst initialising SD card
+ *
+ * This is the quirk used on downstream, which suggests this is
+ * a hardware limitation. However, probing a card using DDR50 works
+ * (without tuning), so maybe only tuning is broken?
+ */
+ no-1-8-v;
+};
+
+&usb {
+ status = "okay";
+ extcon = <&muic>, <&muic>;
+};
+
+&usb_hs_phy {
+ extcon = <&muic>;
+};
+
+&smd_rpm_regulators {
+ vdd_l1_l2_l3-supply = <&pm8916_s3>;
+ vdd_l4_l5_l6-supply = <&pm8916_s4>;
+ vdd_l7-supply = <&pm8916_s4>;
+
+ s3 {
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1300000>;
+ };
+
+ s4 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <2100000>;
+ };
+
+ l1 {
+ regulator-min-microvolt = <1225000>;
+ regulator-max-microvolt = <1225000>;
+ };
+
+ l2 {
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ };
+
+ l4 {
+ regulator-min-microvolt = <2050000>;
+ regulator-max-microvolt = <2050000>;
+ };
+
+ l5 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
+ l6 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
+ l7 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
+ l8 {
+ regulator-min-microvolt = <2850000>;
+ regulator-max-microvolt = <2900000>;
+ };
+
+ l9 {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ l10 {
+ regulator-min-microvolt = <2700000>;
+ regulator-max-microvolt = <2800000>;
+ };
+
+ l11 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <2950000>;
+ regulator-allow-set-load;
+ regulator-system-load = <200000>;
+ };
+
+ l12 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <2950000>;
+ };
+
+ l13 {
+ regulator-min-microvolt = <3075000>;
+ regulator-max-microvolt = <3075000>;
+ };
+
+ l14 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ l15 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ l16 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ l17 {
+ regulator-min-microvolt = <2850000>;
+ regulator-max-microvolt = <2850000>;
+ };
+
+ l18 {
+ regulator-min-microvolt = <2700000>;
+ regulator-max-microvolt = <2700000>;
+ };
+};
+
+&msmgpio {
+ gpio_keys_default: gpio-keys-default {
+ pins = "gpio107", "gpio109";
+ function = "gpio";
+
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+
+ gpio_hall_sensor_default: gpio-hall-sensor-default {
+ pins = "gpio52";
+ function = "gpio";
+
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ muic_i2c_default: muic-i2c-default {
+ pins = "gpio105", "gpio106";
+ function = "gpio";
+
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ muic_irq_default: muic-irq-default {
+ pins = "gpio12";
+ function = "gpio";
+
+ drive-strength = <2>;
+ bias-disable;
+ };
+};
projects / linux.git / commitdiff