366 lines
7.4 KiB
Plaintext
366 lines
7.4 KiB
Plaintext
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Samsung's Exynos4210 based Origen board device tree source
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*
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* Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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* Copyright (c) 2010-2011 Linaro Ltd.
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* www.linaro.org
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*
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* Device tree source file for Insignal's Origen board which is based on
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* Samsung's Exynos4210 SoC.
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*/
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/dts-v1/;
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#include "exynos4210.dtsi"
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/input/input.h>
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#include "exynos-mfc-reserved-memory.dtsi"
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/ {
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model = "Insignal Origen evaluation board based on Exynos4210";
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compatible = "insignal,origen", "samsung,exynos4210", "samsung,exynos4";
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memory@40000000 {
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device_type = "memory";
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reg = <0x40000000 0x10000000
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0x50000000 0x10000000
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0x60000000 0x10000000
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0x70000000 0x10000000>;
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};
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chosen {
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bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M init=/linuxrc";
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stdout-path = "serial2:115200n8";
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};
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mmc_reg: voltage-regulator {
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compatible = "regulator-fixed";
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regulator-name = "VMEM_VDD_2.8V";
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regulator-min-microvolt = <2800000>;
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regulator-max-microvolt = <2800000>;
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gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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};
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gpio-keys {
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compatible = "gpio-keys";
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up {
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label = "Up";
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gpios = <&gpx2 0 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_UP>;
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wakeup-source;
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};
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down {
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label = "Down";
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gpios = <&gpx2 1 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_DOWN>;
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wakeup-source;
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};
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back {
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label = "Back";
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gpios = <&gpx1 7 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_BACK>;
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wakeup-source;
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};
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home {
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label = "Home";
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gpios = <&gpx1 6 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_HOME>;
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wakeup-source;
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};
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menu {
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label = "Menu";
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gpios = <&gpx1 5 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_MENU>;
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wakeup-source;
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};
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};
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leds {
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compatible = "gpio-leds";
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status {
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gpios = <&gpx1 3 GPIO_ACTIVE_LOW>;
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linux,default-trigger = "heartbeat";
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};
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};
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fixed-rate-clocks {
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xxti {
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compatible = "samsung,clock-xxti";
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clock-frequency = <0>;
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};
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xusbxti {
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compatible = "samsung,clock-xusbxti";
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clock-frequency = <24000000>;
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};
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pmic_ap_clk: pmic-ap-clk {
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/* Workaround for missing clock on max8997 PMIC */
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compatible = "fixed-clock";
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#clock-cells = <0>;
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clock-frequency = <32768>;
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};
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};
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display-timings {
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native-mode = <&timing0>;
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timing0: timing {
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clock-frequency = <47500000>;
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hactive = <1024>;
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vactive = <600>;
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hfront-porch = <64>;
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hback-porch = <16>;
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hsync-len = <48>;
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vback-porch = <64>;
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vfront-porch = <16>;
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vsync-len = <3>;
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};
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};
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};
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&cpu0 {
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cpu0-supply = <&buck1_reg>;
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};
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&cpu_thermal {
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cooling-maps {
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map0 {
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/* Corresponds to 800MHz */
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cooling-device = <&cpu0 2 2>;
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};
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map1 {
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/* Corresponds to 200MHz */
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cooling-device = <&cpu0 4 4>;
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};
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};
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};
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&exynos_usbphy {
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status = "okay";
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};
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&fimd {
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pinctrl-0 = <&lcd_en &lcd_clk &lcd_data24 &pwm0_out>;
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pinctrl-names = "default";
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status = "okay";
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};
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&gpu {
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mali-supply = <&buck3_reg>;
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status = "okay";
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};
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&hsotg {
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vusb_d-supply = <&ldo3_reg>;
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vusb_a-supply = <&ldo8_reg>;
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dr_mode = "peripheral";
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status = "okay";
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};
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&i2c_0 {
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status = "okay";
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samsung,i2c-sda-delay = <100>;
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samsung,i2c-max-bus-freq = <20000>;
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pinctrl-0 = <&i2c0_bus>;
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pinctrl-names = "default";
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pmic@66 {
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compatible = "maxim,max8997-pmic";
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reg = <0x66>;
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interrupt-parent = <&gpx0>;
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interrupts = <4 IRQ_TYPE_NONE>, <3 IRQ_TYPE_NONE>;
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pinctrl-names = "default";
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pinctrl-0 = <&max8997_irq>;
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max8997,pmic-buck1-dvs-voltage = <1350000>;
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max8997,pmic-buck2-dvs-voltage = <1100000>;
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max8997,pmic-buck5-dvs-voltage = <1200000>;
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regulators {
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ldo1_reg: LDO1 {
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regulator-name = "VDD_ABB_3.3V";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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};
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ldo2_reg: LDO2 {
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regulator-name = "VDD_ALIVE_1.1V";
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regulator-min-microvolt = <1100000>;
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regulator-max-microvolt = <1100000>;
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regulator-always-on;
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};
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ldo3_reg: LDO3 {
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regulator-name = "VMIPI_1.1V";
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regulator-min-microvolt = <1100000>;
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regulator-max-microvolt = <1100000>;
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};
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ldo4_reg: LDO4 {
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regulator-name = "VDD_RTC_1.8V";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-always-on;
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};
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ldo6_reg: LDO6 {
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regulator-name = "VMIPI_1.8V";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-always-on;
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};
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ldo7_reg: LDO7 {
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regulator-name = "VDD_AUD_1.8V";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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};
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ldo8_reg: LDO8 {
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regulator-name = "VADC_3.3V";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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};
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ldo9_reg: LDO9 {
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regulator-name = "DVDD_SWB_2.8V";
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regulator-min-microvolt = <2800000>;
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regulator-max-microvolt = <2800000>;
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regulator-always-on;
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};
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ldo10_reg: LDO10 {
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regulator-name = "VDD_PLL_1.1V";
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regulator-min-microvolt = <1100000>;
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regulator-max-microvolt = <1100000>;
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regulator-always-on;
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};
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ldo11_reg: LDO11 {
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regulator-name = "VDD_AUD_3V";
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regulator-min-microvolt = <3000000>;
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regulator-max-microvolt = <3000000>;
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};
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ldo14_reg: LDO14 {
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regulator-name = "AVDD18_SWB_1.8V";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-always-on;
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};
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ldo17_reg: LDO17 {
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regulator-name = "VDD_SWB_3.3V";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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};
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ldo21_reg: LDO21 {
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regulator-name = "VDD_MIF_1.2V";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <1200000>;
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regulator-always-on;
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};
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buck1_reg: BUCK1 {
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regulator-name = "VDD_ARM_1.2V";
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regulator-min-microvolt = <950000>;
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regulator-max-microvolt = <1350000>;
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regulator-always-on;
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regulator-boot-on;
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};
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buck2_reg: BUCK2 {
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regulator-name = "VDD_INT_1.1V";
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regulator-min-microvolt = <900000>;
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regulator-max-microvolt = <1100000>;
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regulator-always-on;
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regulator-boot-on;
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};
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buck3_reg: BUCK3 {
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regulator-name = "VDD_G3D_1.1V";
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regulator-min-microvolt = <900000>;
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regulator-max-microvolt = <1100000>;
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};
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buck5_reg: BUCK5 {
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regulator-name = "VDDQ_M1M2_1.2V";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <1200000>;
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regulator-always-on;
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};
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buck7_reg: BUCK7 {
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regulator-name = "VDD_LCD_3.3V";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-boot-on;
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regulator-always-on;
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};
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EN32KHZ_AP {
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regulator-name = "EN32KHZ_AP";
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regulator-always-on;
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};
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};
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};
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};
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&pinctrl_1 {
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max8997_irq: max8997-irq-pins {
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samsung,pins = "gpx0-3", "gpx0-4";
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samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
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};
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};
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&sdhci_0 {
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bus-width = <4>;
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pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_cd>;
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pinctrl-names = "default";
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vmmc-supply = <&mmc_reg>;
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status = "okay";
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};
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&sdhci_2 {
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bus-width = <4>;
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pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;
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pinctrl-names = "default";
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vmmc-supply = <&mmc_reg>;
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status = "okay";
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};
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&serial_0 {
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status = "okay";
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};
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&serial_1 {
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status = "okay";
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};
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&serial_2 {
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status = "okay";
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};
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&serial_3 {
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status = "okay";
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};
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&rtc {
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status = "okay";
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clocks = <&clock CLK_RTC>, <&pmic_ap_clk>;
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clock-names = "rtc", "rtc_src";
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};
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&tmu {
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status = "okay";
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};
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