// SPDX-License-Identifier: GPL-2.0
/*
* Base DT for Samsung's family of tablets based on Exynos5420.
*
* Copyright (c) 2012-2013 Samsung Electronics Co., Ltd.
* http://www.samsung.com
* Copyright (c) 2022 Henrik Grimler
*/
/dts-v1/;
#include "exynos5420.dtsi"
#include "exynos5420-cpus.dtsi"
#include <dt-bindings/input/input.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/clock/samsung,s2mps11.h>
/ {
chassis-type = "tablet";
/*
* To successfully boot the mainline kernel with the stock
* bootloader (SBOOT), the tlb needs to be flushed after the
* page table pointer has been updated in __common_mmu_cache_on.
* The same hack is also needed to boot exynos4412-i9300 with
* stock bootloader, and probably other Samsung devices of
* similar age. See
* https://lore.kernel.org/all/[email protected]
* for more details.
*/
aliases {
mmc0 = &mmc_0;
mmc1 = &mmc_1;
mmc2 = &mmc_2;
};
chosen {
stdout-path = "serial2:115200n8";
};
memory@20000000 {
device_type = "memory";
reg = <0x20000000 0xbfa00000>;
};
firmware@2073000 {
compatible = "samsung,secure-firmware";
reg = <0x02073000 0x1000>;
};
fixed-rate-clocks {
oscclk {
compatible = "samsung,exynos5420-oscclk";
clock-frequency = <24000000>;
};
};
gpio-keys {
compatible = "gpio-keys";
key-power {
debounce-interval = <10>;
gpios = <&gpx2 2 GPIO_ACTIVE_LOW>;
label = "Power";
linux,code = <KEY_POWER>;
wakeup-source;
};
key-home {
debounce-interval = <10>;
gpios = <&gpx0 5 GPIO_ACTIVE_LOW>;
label = "Home";
linux,code = <KEY_HOME>;
wakeup-source;
};
key-volume-up {
debounce-interval = <10>;
gpios = <&gpx0 2 GPIO_ACTIVE_LOW>;
label = "Volume Up";
linux,code = <KEY_VOLUMEUP>;
};
key-volume-down {
debounce-interval = <10>;
gpios = <&gpx0 3 GPIO_ACTIVE_LOW>;
label = "Volume Down";
linux,code = <KEY_VOLUMEDOWN>;
};
};
mmc1_pwrseq: pwrseq {
compatible = "mmc-pwrseq-simple";
reset-gpios = <&gpy7 7 GPIO_ACTIVE_LOW>;
clocks = <&s2mps11_osc S2MPS11_CLK_BT>;
clock-names = "ext_clock";
};
};
&cci {
/* CCI is disabled in hardware */
status = "disabled";
};
&cpu0 {
cpu-supply = <&buck2_reg>;
};
&cpu4 {
cpu-supply = <&buck6_reg>;
};
&gpu {
status = "okay";
mali-supply = <&buck4_reg>;
};
&hsi2c_7 {
status = "okay";
pmic@66 {
compatible = "samsung,s2mps11-pmic";
reg = <0x66>;
interrupt-parent = <&gpx3>;
interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&s2mps11_irq>;
s2mps11_osc: clocks {
compatible = "samsung,s2mps11-clk";
#clock-cells = <1>;
clock-output-names = "s2mps11_ap", "s2mps11_cp",
"s2mps11_bt";
};
regulators {
buck1_reg: BUCK1 {
regulator-name = "VDD_MIF_1V1";
regulator-min-microvolt = <700000>;
regulator-max-microvolt = <1300000>;
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-off-in-suspend;
};
};
buck2_reg: BUCK2 {
regulator-name = "VDD_ARM_1V0";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <1500000>;
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-off-in-suspend;
};
};
buck3_reg: BUCK3 {
regulator-name = "VDD_INT_1V0";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <1400000>;
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-off-in-suspend;
};
};
buck4_reg: BUCK4 {
regulator-name = "VDD_G3D_1V0";
regulator-min-microvolt = <700000>;
regulator-max-microvolt = <1400000>;
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-off-in-suspend;
};
};
buck5_reg: BUCK5 {
regulator-name = "VDD_MEM_1V2";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-off-in-suspend;
};
};
buck6_reg: BUCK6 {
regulator-name = "VDD_KFC_1V0";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <1500000>;
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-off-in-suspend;
};
};
buck7_reg: BUCK7 {
regulator-name = "VIN_LLDO_1V4";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1500000>;
regulator-always-on;
};
buck8_reg: BUCK8 {
regulator-name = "VIN_MLDO_2V0";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <2100000>;
regulator-always-on;
};
buck9_reg: BUCK9 {
regulator-name = "VIN_HLDO_3V5";
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3500000>;
regulator-always-on;
};
buck10_reg: BUCK10 {
regulator-name = "VDD_CAM_ISP_1V0";
regulator-min-microvolt = <750000>;
regulator-max-microvolt = <3550000>;
};
ldo1_reg: LDO1 {
regulator-name = "VDD_ALIVE_1.0V";
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
regulator-always-on;
};
ldo2_reg: LDO2 {
regulator-name = "VDD_APIO_1V8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-on-in-suspend;
};
};
ldo3_reg: LDO3 {
regulator-name = "VDD_APIO_MMC01_1V8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-state-mem {
regulator-off-in-suspend;
};
};
ldo4_reg: LDO4 {
regulator-name = "VDD_ADC_1V8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-on-in-suspend;
};
};
ldo5_reg: LDO5 {
/* Unused */
regulator-name = "VDD_LDO5";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
ldo6_reg: LDO6 {
regulator-name = "VDD_MIPI_1V0";
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-off-in-suspend;
};
};
ldo7_reg: LDO7 {
regulator-name = "VDD_MIPI_PLL_ABB1_18V";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-off-in-suspend;
};
};
ldo8_reg: LDO8 {
/* Unused */
regulator-name = "VDD_LDO8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
ldo9_reg: LDO9 {
regulator-name = "VDD_UOTG_3V0";
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-on-in-suspend;
};
};
ldo10_reg: LDO10 {
regulator-name = "VDDQ_PRE_1V8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-on-in-suspend;
};
};
ldo11_reg: LDO11 {
regulator-name = "VDD_HSIC_1V0";
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-on-in-suspend;
};
};
ldo12_reg: LDO12 {
regulator-name = "VDD_HSIC_1V8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-on-in-suspend;
};
};
ldo13_reg: LDO13 {
regulator-name = "VDD_APIO_MMC2_2V8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <2800000>;
regulator-boot-on;
regulator-state-mem {
regulator-off-in-suspend;
};
};
ldo14_reg: LDO14 {
regulator-name = "VDD_MOTOR_3V0";
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
ldo15_reg: LDO15 {
regulator-name = "VDD_LDO15";
/*
* LDO15 varies between devices and is
* specified in the device dts
*/
};
ldo16_reg: LDO16 {
regulator-name = "VDD_AP_2V8";
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-on-in-suspend;
};
};
ldo17_reg: LDO17 {
regulator-name = "VDD_LDO17";
/*
* LDO17 varies between devices and is
* specified in the device dts
*/
};
ldo18_reg: LDO18 {
/* Unused */
regulator-name = "VDD_LDO18";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
ldo19_reg: LDO19 {
regulator-name = "VDD_VTF_2V8";
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
ldo20_reg: LDO20 {
regulator-name = "VDD_CAM1_CAM_1V8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
ldo21_reg: LDO21 {
regulator-name = "VDD_CAM_IO_1V8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
ldo22_reg: LDO22 {
regulator-name = "VDD_CAM0_S_CORE_1V1";
regulator-min-microvolt = <1050000>;
regulator-max-microvolt = <1200000>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
ldo23_reg: LDO23 {
regulator-name = "VDD_MIFS_1V1";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <1100000>;
regulator-always-on;
regulator-state-mem {
regulator-on-in-suspend;
};
};
ldo24_reg: LDO24 {
regulator-name = "VDD_TSP_3V3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
ldo25_reg: LDO25 {
/* Unused */
regulator-name = "VDD_LDO25";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3950000>;
};
ldo26_reg: LDO26 {
regulator-name = "VDD_CAM0_AF_2V8";
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
ldo27_reg: LDO27 {
regulator-name = "VDD_G3DS_1V0";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <1000000>;
regulator-always-on;
regulator-state-mem {
regulator-on-in-suspend;
};
};
ldo28_reg: LDO28 {
regulator-name = "VDD_LDO28";
/*
* LDO28 varies between devices and is
* specified in the device dts
*/
};
ldo29_reg: LDO29 {
regulator-name = "VDD_LDO29";
/*
* LDO29 varies between devices and is
* specified in the device dts
*/
};
ldo30_reg: LDO30 {
regulator-name = "VDD_TOUCH_1V8";
regulator-min-microvolt = <1900000>;
regulator-max-microvolt = <1900000>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
ldo31_reg: LDO31 {
regulator-name = "VDD_LDO31";
/*
* LDO31 varies between devices and is
* specified in the device dts
*/
};
ldo32_reg: LDO32 {
regulator-name = "VDD_LDO32";
/*
* LDO32 varies between devices and is
* specified in the device dts
*/
};
ldo33_reg: LDO33 {
regulator-name = "VDD_MHL_1V8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
ldo34_reg: LDO34 {
regulator-name = "VDD_MHL_3V3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
ldo35_reg: LDO35 {
regulator-name = "VDD_SIL_1V2";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
ldo36_reg: LDO36 {
/* Unused */
regulator-name = "VDD_LDO36";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3950000>;
};
ldo37_reg: LDO37 {
/* Unused */
regulator-name = "VDD_LDO37";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3950000>;
};
ldo38_reg: LDO38 {
regulator-name = "VDD_KEY_LED_3V3";
regulator-min-microvolt = <2500000>;
regulator-max-microvolt = <3300000>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
};
};
};
&mixer {
status = "okay";
};
/* Internal storage */
&mmc_0 {
status = "okay";
bus-width = <8>;
cap-mmc-highspeed;
card-detect-delay = <200>;
mmc-ddr-1_8v;
mmc-hs200-1_8v;
non-removable;
pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus1 &sd0_bus4 &sd0_bus8>;
pinctrl-names = "default";
samsung,dw-mshc-ciu-div = <3>;
samsung,dw-mshc-ddr-timing = <0 2>;
samsung,dw-mshc-sdr-timing = <0 4>;
vqmmc-supply = <&ldo3_reg>;
};
/* WiFi */
&mmc_1 {
bus-width = <4>;
cap-sd-highspeed;
cap-sdio-irq;
card-detect-delay = <200>;
keep-power-in-suspend;
mmc-pwrseq = <&mmc1_pwrseq>;
non-removable;
pinctrl-0 = <&sd1_clk>, <&sd1_cmd>, <&sd1_int>, <&sd1_bus1>,
<&sd1_bus4>, <&wifi_en>;
pinctrl-names = "default";
vqmmc-supply = <&ldo2_reg>;
samsung,dw-mshc-ciu-div = <1>;
samsung,dw-mshc-ddr-timing = <0 2>;
samsung,dw-mshc-sdr-timing = <0 1>;
status = "okay";
};
/* External sdcard */
&mmc_2 {
status = "okay";
bus-width = <4>;
cap-sd-highspeed;
card-detect-delay = <200>;
cd-gpios = <&gpx2 4 GPIO_ACTIVE_LOW>;
pinctrl-0 = <&sd2_clk &sd2_cmd &mmc2_cd &sd2_bus1 &sd2_bus4>;
pinctrl-names = "default";
samsung,dw-mshc-ciu-div = <3>;
samsung,dw-mshc-ddr-timing = <0 2>;
samsung,dw-mshc-sdr-timing = <0 4>;
sd-uhs-sdr50;
vmmc-supply = <&ldo19_reg>;
vqmmc-supply = <&ldo13_reg>;
};
&pinctrl_0 {
mmc2_cd: mmc2-cd-pins {
samsung,pins = "gpx2-4";
samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
};
s2mps11_irq: s2mps11-irq-pins {
samsung,pins = "gpx3-0";
samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
};
wifi_en: wifi-en-pins {
samsung,pins = "gpy7-7";
samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
};
};
&rtc {
status = "okay";
clocks = <&clock CLK_RTC>, <&s2mps11_osc S2MPS11_CLK_AP>;
clock-names = "rtc", "rtc_src";
};
&tmu_cpu0 {
vtmu-supply = <&ldo10_reg>;
};
&tmu_cpu1 {
vtmu-supply = <&ldo10_reg>;
};
&tmu_cpu2 {
vtmu-supply = <&ldo10_reg>;
};
&tmu_cpu3 {
vtmu-supply = <&ldo10_reg>;
};
&tmu_gpu {
vtmu-supply = <&ldo10_reg>;
};
&usbdrd_dwc3_0 {
dr_mode = "peripheral";
};
&usbdrd_dwc3_1 {
dr_mode = "peripheral";
};
&usbdrd3_0 {
vdd33-supply = <&ldo9_reg>;
vdd10-supply = <&ldo11_reg>;
};
&usbdrd3_1 {
vdd33-supply = <&ldo9_reg>;
vdd10-supply = <&ldo11_reg>;
};
Codebase Browser
linux