// 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; }; };