| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Google Snow board device tree source |
| * |
| * Copyright (c) 2012 Google, Inc |
| */ |
| |
| #include <dt-bindings/gpio/gpio.h> |
| #include <dt-bindings/clock/maxim,max77686.h> |
| #include <dt-bindings/interrupt-controller/irq.h> |
| #include <dt-bindings/input/input.h> |
| #include <dt-bindings/sound/samsung-i2s.h> |
| #include "exynos5250.dtsi" |
| |
| / { |
| aliases { |
| i2c104 = &i2c_104; |
| }; |
| |
| memory@40000000 { |
| device_type = "memory"; |
| reg = <0x40000000 0x80000000>; |
| }; |
| |
| chosen { |
| bootargs = "console=tty1"; |
| stdout-path = "serial3:115200n8"; |
| }; |
| |
| gpio-keys { |
| compatible = "gpio-keys"; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&power_key_irq &lid_irq>; |
| |
| power { |
| label = "Power"; |
| gpios = <&gpx1 3 GPIO_ACTIVE_LOW>; |
| linux,code = <KEY_POWER>; |
| wakeup-source; |
| }; |
| |
| lid-switch { |
| label = "Lid"; |
| gpios = <&gpx3 5 GPIO_ACTIVE_LOW>; |
| linux,input-type = <5>; /* EV_SW */ |
| linux,code = <0>; /* SW_LID */ |
| debounce-interval = <1>; |
| wakeup-source; |
| }; |
| }; |
| |
| vbat: vbat-fixed-regulator { |
| compatible = "regulator-fixed"; |
| regulator-name = "vbat-supply"; |
| regulator-boot-on; |
| }; |
| |
| i2c-arbitrator { |
| compatible = "i2c-arb-gpio-challenge"; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| i2c-parent = <&i2c_4>; |
| |
| our-claim-gpio = <&gpf0 3 GPIO_ACTIVE_LOW>; |
| their-claim-gpios = <&gpe0 4 GPIO_ACTIVE_LOW>; |
| slew-delay-us = <10>; |
| wait-retry-us = <3000>; |
| wait-free-us = <50000>; |
| |
| pinctrl-names = "default"; |
| pinctrl-0 = <&arb_our_claim &arb_their_claim>; |
| |
| /* Use ID 104 as a hint that we're on physical bus 4 */ |
| i2c_104: i2c@0 { |
| reg = <0>; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| battery: sbs-battery@b { |
| compatible = "sbs,sbs-battery"; |
| reg = <0xb>; |
| sbs,poll-retry-count = <1>; |
| }; |
| |
| cros_ec: embedded-controller@1e { |
| compatible = "google,cros-ec-i2c"; |
| reg = <0x1e>; |
| interrupts = <6 IRQ_TYPE_NONE>; |
| interrupt-parent = <&gpx1>; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&ec_irq>; |
| wakeup-source; |
| }; |
| |
| power-regulator@48 { |
| compatible = "ti,tps65090"; |
| reg = <0x48>; |
| |
| /* |
| * Config irq to disable internal pulls |
| * even though we run in polling mode. |
| */ |
| pinctrl-names = "default"; |
| pinctrl-0 = <&tps65090_irq>; |
| |
| vsys1-supply = <&vbat>; |
| vsys2-supply = <&vbat>; |
| vsys3-supply = <&vbat>; |
| infet1-supply = <&vbat>; |
| infet2-supply = <&vbat>; |
| infet3-supply = <&vbat>; |
| infet4-supply = <&vbat>; |
| infet5-supply = <&vbat>; |
| infet6-supply = <&vbat>; |
| infet7-supply = <&vbat>; |
| vsys-l1-supply = <&vbat>; |
| vsys-l2-supply = <&vbat>; |
| |
| regulators { |
| dcdc1 { |
| ti,enable-ext-control; |
| }; |
| dcdc2 { |
| ti,enable-ext-control; |
| }; |
| dcdc3 { |
| ti,enable-ext-control; |
| }; |
| fet1: fet1 { |
| regulator-name = "vcd_led"; |
| ti,overcurrent-wait = <3>; |
| }; |
| tps65090_fet2: fet2 { |
| regulator-name = "video_mid"; |
| regulator-always-on; |
| ti,overcurrent-wait = <3>; |
| }; |
| fet3 { |
| regulator-name = "wwan_r"; |
| regulator-always-on; |
| ti,overcurrent-wait = <3>; |
| }; |
| fet4 { |
| regulator-name = "sdcard"; |
| ti,overcurrent-wait = <3>; |
| }; |
| fet5 { |
| regulator-name = "camout"; |
| regulator-always-on; |
| ti,overcurrent-wait = <3>; |
| }; |
| fet6: fet6 { |
| regulator-name = "lcd_vdd"; |
| ti,overcurrent-wait = <3>; |
| }; |
| tps65090_fet7: fet7 { |
| regulator-name = "video_mid_1a"; |
| regulator-always-on; |
| ti,overcurrent-wait = <3>; |
| }; |
| ldo1 { |
| }; |
| ldo2 { |
| }; |
| }; |
| |
| charger { |
| compatible = "ti,tps65090-charger"; |
| }; |
| }; |
| }; |
| }; |
| |
| sound { |
| samsung,i2s-controller = <&i2s0>; |
| }; |
| |
| usb3_vbus_reg: regulator-usb3 { |
| compatible = "regulator-fixed"; |
| regulator-name = "P5.0V_USB3CON"; |
| regulator-min-microvolt = <5000000>; |
| regulator-max-microvolt = <5000000>; |
| gpio = <&gpx2 7 GPIO_ACTIVE_HIGH>; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&usb3_vbus_en>; |
| enable-active-high; |
| }; |
| |
| fixed-rate-clocks { |
| xxti { |
| compatible = "samsung,clock-xxti"; |
| clock-frequency = <24000000>; |
| }; |
| }; |
| |
| backlight: backlight { |
| compatible = "pwm-backlight"; |
| pwms = <&pwm 0 1000000 0>; |
| brightness-levels = <0 100 500 1000 1500 2000 2500 2800>; |
| default-brightness-level = <7>; |
| enable-gpios = <&gpx3 0 GPIO_ACTIVE_HIGH>; |
| power-supply = <&fet1>; |
| pinctrl-0 = <&pwm0_out>; |
| pinctrl-names = "default"; |
| }; |
| |
| panel: panel { |
| compatible = "auo,b116xw03"; |
| power-supply = <&fet6>; |
| backlight = <&backlight>; |
| |
| port { |
| panel_in: endpoint { |
| remote-endpoint = <&bridge_out>; |
| }; |
| }; |
| }; |
| |
| mmc3_pwrseq: mmc3_pwrseq { |
| compatible = "mmc-pwrseq-simple"; |
| reset-gpios = <&gpx0 2 GPIO_ACTIVE_LOW>, /* WIFI_RSTn */ |
| <&gpx0 1 GPIO_ACTIVE_LOW>; /* WIFI_EN */ |
| clocks = <&max77686 MAX77686_CLK_PMIC>; |
| clock-names = "ext_clock"; |
| }; |
| }; |
| |
| &clock { |
| assigned-clocks = <&clock CLK_FOUT_EPLL>; |
| assigned-clock-rates = <49152000>; |
| }; |
| |
| &clock_audss { |
| assigned-clocks = <&clock_audss EXYNOS_MOUT_AUDSS>; |
| assigned-clock-parents = <&clock CLK_FOUT_EPLL>; |
| }; |
| |
| &cpu0 { |
| cpu0-supply = <&buck2_reg>; |
| }; |
| |
| &dp { |
| status = "okay"; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&dp_hpd>; |
| samsung,color-space = <0>; |
| samsung,color-depth = <1>; |
| samsung,link-rate = <0x0a>; |
| samsung,lane-count = <2>; |
| hpd-gpios = <&gpx0 7 GPIO_ACTIVE_HIGH>; |
| |
| ports { |
| port { |
| dp_out: endpoint { |
| remote-endpoint = <&bridge_in>; |
| }; |
| }; |
| }; |
| }; |
| |
| &ehci { |
| samsung,vbus-gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>; |
| }; |
| |
| &fimd { |
| status = "okay"; |
| samsung,invert-vclk; |
| }; |
| |
| &hdmi { |
| status = "okay"; |
| hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&hdmi_hpd_irq>; |
| ddc = <&i2c_2>; |
| hdmi-en-supply = <&tps65090_fet7>; |
| vdd-supply = <&ldo8_reg>; |
| vdd_osc-supply = <&ldo10_reg>; |
| vdd_pll-supply = <&ldo8_reg>; |
| }; |
| |
| &hdmicec { |
| status = "okay"; |
| }; |
| |
| &i2c_0 { |
| status = "okay"; |
| samsung,i2c-sda-delay = <100>; |
| samsung,i2c-max-bus-freq = <378000>; |
| |
| max77686: max77686@9 { |
| compatible = "maxim,max77686"; |
| interrupt-parent = <&gpx3>; |
| interrupts = <2 IRQ_TYPE_NONE>; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&max77686_irq>; |
| wakeup-source; |
| reg = <0x09>; |
| #clock-cells = <1>; |
| |
| voltage-regulators { |
| ldo1_reg: LDO1 { |
| regulator-name = "P1.0V_LDO_OUT1"; |
| regulator-min-microvolt = <1000000>; |
| regulator-max-microvolt = <1000000>; |
| regulator-always-on; |
| }; |
| |
| ldo2_reg: LDO2 { |
| regulator-name = "P1.8V_LDO_OUT2"; |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <1800000>; |
| regulator-always-on; |
| }; |
| |
| ldo3_reg: LDO3 { |
| regulator-name = "P1.8V_LDO_OUT3"; |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <1800000>; |
| regulator-always-on; |
| }; |
| |
| ldo7_reg: LDO7 { |
| regulator-name = "P1.1V_LDO_OUT7"; |
| regulator-min-microvolt = <1100000>; |
| regulator-max-microvolt = <1100000>; |
| regulator-always-on; |
| }; |
| |
| ldo8_reg: LDO8 { |
| regulator-name = "P1.0V_LDO_OUT8"; |
| regulator-min-microvolt = <1000000>; |
| regulator-max-microvolt = <1000000>; |
| regulator-always-on; |
| }; |
| |
| ldo10_reg: LDO10 { |
| regulator-name = "P1.8V_LDO_OUT10"; |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <1800000>; |
| regulator-always-on; |
| }; |
| |
| ldo12_reg: LDO12 { |
| regulator-name = "P3.0V_LDO_OUT12"; |
| regulator-min-microvolt = <3000000>; |
| regulator-max-microvolt = <3000000>; |
| regulator-always-on; |
| }; |
| |
| ldo14_reg: LDO14 { |
| regulator-name = "P1.8V_LDO_OUT14"; |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <1800000>; |
| regulator-always-on; |
| }; |
| |
| ldo15_reg: LDO15 { |
| regulator-name = "P1.0V_LDO_OUT15"; |
| regulator-min-microvolt = <1000000>; |
| regulator-max-microvolt = <1000000>; |
| regulator-always-on; |
| }; |
| |
| ldo16_reg: LDO16 { |
| regulator-name = "P1.8V_LDO_OUT16"; |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <1800000>; |
| regulator-always-on; |
| }; |
| |
| buck1_reg: BUCK1 { |
| regulator-name = "vdd_mif"; |
| regulator-min-microvolt = <950000>; |
| regulator-max-microvolt = <1300000>; |
| regulator-always-on; |
| regulator-boot-on; |
| }; |
| |
| buck2_reg: BUCK2 { |
| regulator-name = "vdd_arm"; |
| regulator-min-microvolt = <850000>; |
| regulator-max-microvolt = <1350000>; |
| regulator-always-on; |
| regulator-boot-on; |
| }; |
| |
| buck3_reg: BUCK3 { |
| regulator-name = "vdd_int"; |
| regulator-min-microvolt = <900000>; |
| regulator-max-microvolt = <1200000>; |
| regulator-always-on; |
| regulator-boot-on; |
| }; |
| |
| buck4_reg: BUCK4 { |
| regulator-name = "vdd_g3d"; |
| regulator-min-microvolt = <850000>; |
| regulator-max-microvolt = <1300000>; |
| regulator-always-on; |
| regulator-boot-on; |
| }; |
| |
| buck5_reg: BUCK5 { |
| regulator-name = "P1.8V_BUCK_OUT5"; |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <1800000>; |
| regulator-always-on; |
| regulator-boot-on; |
| }; |
| |
| buck6_reg: BUCK6 { |
| regulator-name = "P1.35V_BUCK_OUT6"; |
| regulator-min-microvolt = <1350000>; |
| regulator-max-microvolt = <1350000>; |
| regulator-always-on; |
| }; |
| |
| buck7_reg: BUCK7 { |
| regulator-name = "P2.0V_BUCK_OUT7"; |
| regulator-min-microvolt = <2000000>; |
| regulator-max-microvolt = <2000000>; |
| regulator-always-on; |
| }; |
| |
| buck8_reg: BUCK8 { |
| regulator-name = "P2.85V_BUCK_OUT8"; |
| regulator-min-microvolt = <2850000>; |
| regulator-max-microvolt = <2850000>; |
| regulator-always-on; |
| }; |
| }; |
| }; |
| }; |
| |
| &i2c_1 { |
| status = "okay"; |
| samsung,i2c-sda-delay = <100>; |
| samsung,i2c-max-bus-freq = <378000>; |
| |
| trackpad@67 { |
| reg = <0x67>; |
| compatible = "cypress,cyapa"; |
| interrupts = <2 IRQ_TYPE_NONE>; |
| interrupt-parent = <&gpx1>; |
| wakeup-source; |
| }; |
| }; |
| |
| /* |
| * Disabled pullups since external part has its own pullups and |
| * double-pulling gets us out of spec in some cases. |
| */ |
| &i2c2_bus { |
| samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; |
| }; |
| |
| &i2c_2 { |
| status = "okay"; |
| /* used by HDMI DDC */ |
| samsung,i2c-sda-delay = <100>; |
| samsung,i2c-max-bus-freq = <66000>; |
| }; |
| |
| &i2c_3 { |
| status = "okay"; |
| samsung,i2c-sda-delay = <100>; |
| samsung,i2c-max-bus-freq = <66000>; |
| }; |
| |
| &i2c_4 { |
| status = "okay"; |
| samsung,i2c-sda-delay = <100>; |
| samsung,i2c-max-bus-freq = <66000>; |
| }; |
| |
| &i2c_5 { |
| status = "okay"; |
| samsung,i2c-sda-delay = <100>; |
| samsung,i2c-max-bus-freq = <66000>; |
| }; |
| |
| &i2c_7 { |
| status = "okay"; |
| samsung,i2c-sda-delay = <100>; |
| samsung,i2c-max-bus-freq = <66000>; |
| |
| ptn3460: lvds-bridge@20 { |
| compatible = "nxp,ptn3460"; |
| reg = <0x20>; |
| powerdown-gpios = <&gpy2 5 GPIO_ACTIVE_HIGH>; |
| reset-gpios = <&gpx1 5 GPIO_ACTIVE_HIGH>; |
| edid-emulation = <5>; |
| |
| ports { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| port@0 { |
| reg = <0>; |
| |
| bridge_out: endpoint { |
| remote-endpoint = <&panel_in>; |
| }; |
| }; |
| |
| port@1 { |
| reg = <1>; |
| |
| bridge_in: endpoint { |
| remote-endpoint = <&dp_out>; |
| }; |
| }; |
| }; |
| }; |
| }; |
| |
| &i2c_8 { |
| status = "okay"; |
| /* used by HDMI PHY */ |
| samsung,i2c-sda-delay = <100>; |
| samsung,i2c-max-bus-freq = <378000>; |
| }; |
| |
| &i2s0 { |
| assigned-clocks = <&i2s0 CLK_I2S_RCLK_SRC>; |
| assigned-clock-parents = <&clock_audss EXYNOS_I2S_BUS>; |
| status = "okay"; |
| }; |
| |
| &mixer { |
| status = "okay"; |
| }; |
| |
| /* eMMC flash */ |
| &mmc_0 { |
| status = "okay"; |
| non-removable; |
| samsung,dw-mshc-ciu-div = <3>; |
| samsung,dw-mshc-sdr-timing = <2 3>; |
| samsung,dw-mshc-ddr-timing = <1 2>; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_cd &sd0_bus4 &sd0_bus8>; |
| bus-width = <8>; |
| cap-mmc-highspeed; |
| }; |
| |
| /* uSD card */ |
| &mmc_2 { |
| status = "okay"; |
| card-detect-delay = <200>; |
| samsung,dw-mshc-ciu-div = <3>; |
| samsung,dw-mshc-sdr-timing = <2 3>; |
| samsung,dw-mshc-ddr-timing = <1 2>; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>; |
| bus-width = <4>; |
| wp-gpios = <&gpc2 1 GPIO_ACTIVE_HIGH>; |
| cap-sd-highspeed; |
| }; |
| |
| /* |
| * On Snow we've got SIP WiFi and so can keep drive strengths low to |
| * reduce EMI. |
| * |
| * WiFi SDIO module |
| */ |
| &mmc_3 { |
| status = "okay"; |
| non-removable; |
| cap-sdio-irq; |
| keep-power-in-suspend; |
| samsung,dw-mshc-ciu-div = <3>; |
| samsung,dw-mshc-sdr-timing = <2 3>; |
| samsung,dw-mshc-ddr-timing = <1 2>; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&sd3_clk &sd3_cmd &sd3_bus4 &wifi_en &wifi_rst>; |
| bus-width = <4>; |
| cap-sd-highspeed; |
| mmc-pwrseq = <&mmc3_pwrseq>; |
| }; |
| |
| &pinctrl_0 { |
| wifi_en: wifi-en { |
| samsung,pins = "gpx0-1"; |
| samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>; |
| samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; |
| samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; |
| }; |
| |
| wifi_rst: wifi-rst { |
| samsung,pins = "gpx0-2"; |
| samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>; |
| samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; |
| samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; |
| }; |
| |
| power_key_irq: power-key-irq { |
| samsung,pins = "gpx1-3"; |
| samsung,pin-function = <EXYNOS_PIN_FUNC_F>; |
| samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; |
| samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; |
| }; |
| |
| ec_irq: ec-irq { |
| samsung,pins = "gpx1-6"; |
| samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>; |
| samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; |
| samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; |
| }; |
| |
| tps65090_irq: tps65090-irq { |
| samsung,pins = "gpx2-6"; |
| samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>; |
| samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; |
| samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; |
| }; |
| |
| usb3_vbus_en: usb3-vbus-en { |
| samsung,pins = "gpx2-7"; |
| samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>; |
| samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; |
| samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; |
| }; |
| |
| max77686_irq: max77686-irq { |
| samsung,pins = "gpx3-2"; |
| samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>; |
| samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; |
| samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; |
| }; |
| |
| lid_irq: lid-irq { |
| samsung,pins = "gpx3-5"; |
| samsung,pin-function = <EXYNOS_PIN_FUNC_F>; |
| samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; |
| samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; |
| }; |
| |
| hdmi_hpd_irq: hdmi-hpd-irq { |
| samsung,pins = "gpx3-7"; |
| samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>; |
| samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>; |
| samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; |
| }; |
| }; |
| |
| &pinctrl_1 { |
| arb_their_claim: arb-their-claim { |
| samsung,pins = "gpe0-4"; |
| samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>; |
| samsung,pin-pud = <EXYNOS_PIN_PULL_UP>; |
| samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; |
| }; |
| |
| arb_our_claim: arb-our-claim { |
| samsung,pins = "gpf0-3"; |
| samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>; |
| samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; |
| samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; |
| }; |
| }; |
| |
| &pmu_system_controller { |
| assigned-clocks = <&pmu_system_controller 0>; |
| assigned-clock-parents = <&clock CLK_FIN_PLL>; |
| }; |
| |
| &rtc { |
| status = "okay"; |
| clocks = <&clock CLK_RTC>, <&max77686 MAX77686_CLK_AP>; |
| clock-names = "rtc", "rtc_src"; |
| }; |
| |
| &sd3_bus4 { |
| samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; |
| }; |
| |
| &sd3_clk { |
| samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; |
| }; |
| |
| &sd3_cmd { |
| samsung,pin-pud = <EXYNOS_PIN_PULL_UP>; |
| samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; |
| }; |
| |
| &spi_1 { |
| status = "okay"; |
| samsung,spi-src-clk = <0>; |
| num-cs = <1>; |
| cs-gpios = <&gpa2 5 GPIO_ACTIVE_HIGH>; |
| }; |
| |
| &usbdrd_dwc3 { |
| dr_mode = "host"; |
| }; |
| |
| &usbdrd_phy { |
| vbus-supply = <&usb3_vbus_reg>; |
| }; |
| |
| #include "cros-ec-keyboard.dtsi" |
