// SPDX-License-Identifier: (GPL-2.0+ OR MIT) /* * Google Gru-scarlet board device tree source * * Copyright 2018 Google, Inc */ #include "rk3399-gru.dtsi" /{ chassis-type = "tablet"; /* Power tree */ /* ppvar_sys children, sorted by name */ pp1250_s3: pp1250-s3 { compatible = "regulator-fixed"; regulator-name = "pp1250_s3"; /* EC turns on w/ pp1250_s3_en; always on for AP */ regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1250000>; regulator-max-microvolt = <1250000>; vin-supply = <&ppvar_sys>; }; pp1250_cam: pp1250-dvdd { compatible = "regulator-fixed"; regulator-name = "pp1250_dvdd"; pinctrl-names = "default"; pinctrl-0 = <&pp1250_cam_en>; enable-active-high; gpio = <&gpio2 4 GPIO_ACTIVE_HIGH>; /* 740us delay from gpio output high to pp1250 stable, * rounding up to 1ms for safety. */ startup-delay-us = <1000>; vin-supply = <&pp1250_s3>; }; pp900_s0: pp900-s0 { compatible = "regulator-fixed"; regulator-name = "pp900_s0"; /* EC turns on w/ pp900_s0_en; always on for AP */ regulator-always-on; regulator-boot-on; regulator-min-microvolt = <900000>; regulator-max-microvolt = <900000>; vin-supply = <&ppvar_sys>; }; ppvarn_lcd: ppvarn-lcd { compatible = "regulator-fixed"; regulator-name = "ppvarn_lcd"; pinctrl-names = "default"; pinctrl-0 = <&ppvarn_lcd_en>; enable-active-high; gpio = <&gpio4 28 GPIO_ACTIVE_HIGH>; vin-supply = <&ppvar_sys>; }; ppvarp_lcd: ppvarp-lcd { compatible = "regulator-fixed"; regulator-name = "ppvarp_lcd"; pinctrl-names = "default"; pinctrl-0 = <&ppvarp_lcd_en>; enable-active-high; gpio = <&gpio4 27 GPIO_ACTIVE_HIGH>; vin-supply = <&ppvar_sys>; }; /* pp1800 children, sorted by name */ pp900_s3: pp900-s3 { compatible = "regulator-fixed"; regulator-name = "pp900_s3"; /* EC turns on w/ pp900_s3_en; always on for AP */ regulator-always-on; regulator-boot-on; regulator-min-microvolt = <900000>; regulator-max-microvolt = <900000>; vin-supply = <&pp1800>; }; /* EC turns on pp1800_s3_en */ pp1800_s3: pp1800 { }; /* pp3300 children, sorted by name */ pp2800_cam: pp2800-avdd { compatible = "regulator-fixed"; regulator-name = "pp2800_avdd"; pinctrl-names = "default"; pinctrl-0 = <&pp2800_cam_en>; enable-active-high; gpio = <&gpio2 24 GPIO_ACTIVE_HIGH>; startup-delay-us = <100>; vin-supply = <&pp3300>; }; /* EC turns on pp3300_s0_en */ pp3300_s0: pp3300 { }; /* EC turns on pp3300_s3_en */ pp3300_s3: pp3300 { }; /* * See b/66922012 * * This is a hack to make sure the Bluetooth part of the QCA6174A * is reset at boot by toggling BT_EN. At boot BT_EN is first set * to low when the bt_3v3 regulator is registered (in disabled * state). The fake regulator is configured as a supply of the * wlan_3v3 regulator below. When wlan_3v3 is enabled early in * the boot process it also enables its supply regulator bt_3v3, * which changes BT_EN to high. */ bt_3v3: bt-3v3 { compatible = "regulator-fixed"; regulator-name = "bt_3v3"; pinctrl-names = "default"; pinctrl-0 = <&bt_en_1v8_l>; enable-active-high; gpio = <&gpio0 8 GPIO_ACTIVE_HIGH>; vin-supply = <&pp3300_s3>; }; wlan_3v3: wlan-3v3 { compatible = "regulator-fixed"; regulator-name = "wlan_3v3"; pinctrl-names = "default"; pinctrl-0 = <&wlan_pd_1v8_l>; /* * The WL_EN pin is driven low when the regulator is * registered, and transitions to high when the PCIe bus * is powered up. */ enable-active-high; gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>; /* * Require minimum 10ms from power-on (e.g., PD#) to init PCIe. * TODO (b/64444991): how long to assert PD#? */ regulator-enable-ramp-delay = <10000>; /* See bt_3v3 hack above */ vin-supply = <&bt_3v3>; }; backlight: backlight { compatible = "pwm-backlight"; enable-gpios = <&gpio4 21 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&bl_en>; pwms = <&pwm1 0 1000000 0>; pwm-delay-us = <10000>; }; dmic: dmic { compatible = "dmic-codec"; dmicen-gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&dmic_en>; wakeup-delay-ms = <250>; }; gpio_keys: gpio-keys { compatible = "gpio-keys"; pinctrl-names = "default"; pinctrl-0 = <&pen_eject_odl>; switch-pen-insert { label = "Pen Insert"; /* Insert = low, eject = high */ gpios = <&gpio1 1 GPIO_ACTIVE_LOW>; linux,code = ; linux,input-type = ; wakeup-source; }; }; }; /* pp900_s0 aliases */ pp900_ddrpll_ap: &pp900_s0 { }; pp900_pcie: &pp900_s0 { }; pp900_usb: &pp900_s0 { }; /* pp900_s3 aliases */ pp900_emmcpll: &pp900_s3 { }; /* EC turns on; alias for pp1800_s0 */ pp1800_pcie: &pp1800_s0 { }; /* On scarlet PPVAR(big_cpu, lit_cpu, gpu) need to adjust voltage ranges */ &ppvar_bigcpu { ctrl-voltage-range = <800074 1299226>; regulator-min-microvolt = <800074>; regulator-max-microvolt = <1299226>; }; &ppvar_bigcpu_pwm { /* On scarlet ppvar big cpu use pwm3 */ pwms = <&pwm3 0 3337 0>; regulator-min-microvolt = <800074>; regulator-max-microvolt = <1299226>; }; &ppvar_litcpu { ctrl-voltage-range = <802122 1199620>; regulator-min-microvolt = <802122>; regulator-max-microvolt = <1199620>; }; &ppvar_litcpu_pwm { regulator-min-microvolt = <802122>; regulator-max-microvolt = <1199620>; }; &ppvar_gpu { ctrl-voltage-range = <799600 1099600>; regulator-min-microvolt = <799600>; regulator-max-microvolt = <1099600>; }; &ppvar_gpu_pwm { regulator-min-microvolt = <799600>; regulator-max-microvolt = <1099600>; }; &ppvar_sd_card_io { states = <1800000 0x0>, <3300000 0x1>; regulator-max-microvolt = <3300000>; }; &pp3000_sd_slot { vin-supply = <&pp3300>; }; ap_i2c_dig: &i2c2 { status = "okay"; clock-frequency = <400000>; /* These are relatively safe rise/fall times. */ i2c-scl-falling-time-ns = <50>; i2c-scl-rising-time-ns = <300>; digitizer: digitizer@9 { compatible = "hid-over-i2c"; reg = <0x9>; interrupt-parent = <&gpio1>; interrupts = <0 IRQ_TYPE_LEVEL_LOW>; hid-descr-addr = <0x1>; pinctrl-names = "default"; pinctrl-0 = <&pen_int_odl &pen_reset_l>; }; }; &ap_i2c_ts { touchscreen: touchscreen@10 { compatible = "elan,ekth3500"; reg = <0x10>; interrupt-parent = <&gpio1>; interrupts = <4 IRQ_TYPE_LEVEL_LOW>; pinctrl-names = "default"; pinctrl-0 = <&touch_int_l &touch_reset_l>; reset-gpios = <&gpio0 10 GPIO_ACTIVE_LOW>; }; }; camera: &i2c7 { status = "okay"; clock-frequency = <400000>; /* These are relatively safe rise/fall times; TODO: measure */ i2c-scl-falling-time-ns = <50>; i2c-scl-rising-time-ns = <300>; /* 24M mclk is shared between world and user cameras */ pinctrl-0 = <&i2c7_xfer &test_clkout1>; /* Rear-facing camera */ wcam: camera@36 { compatible = "ovti,ov5695"; reg = <0x36>; pinctrl-names = "default"; pinctrl-0 = <&wcam_rst>; clocks = <&cru SCLK_TESTCLKOUT1>; clock-names = "xvclk"; avdd-supply = <&pp2800_cam>; dvdd-supply = <&pp1250_cam>; dovdd-supply = <&pp1800_s0>; reset-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>; port { wcam_out: endpoint { remote-endpoint = <&mipi_in_wcam>; data-lanes = <1 2>; }; }; }; /* Front-facing camera */ ucam: camera@3c { compatible = "ovti,ov2685"; reg = <0x3c>; pinctrl-names = "default"; pinctrl-0 = <&ucam_rst>; clocks = <&cru SCLK_TESTCLKOUT1>; clock-names = "xvclk"; avdd-supply = <&pp2800_cam>; dovdd-supply = <&pp1800_s0>; dvdd-supply = <&pp1800_s0>; reset-gpios = <&gpio2 3 GPIO_ACTIVE_LOW>; port { ucam_out: endpoint { remote-endpoint = <&mipi_in_ucam>; data-lanes = <1>; }; }; }; }; &cdn_dp { extcon = <&usbc_extcon0>; phys = <&tcphy0_dp>; }; &cpu_alert0 { temperature = <66000>; }; &cpu_alert1 { temperature = <71000>; }; &cros_ec { interrupt-parent = <&gpio1>; interrupts = <18 IRQ_TYPE_LEVEL_LOW>; }; &cru { assigned-clocks = <&cru PLL_GPLL>, <&cru PLL_CPLL>, <&cru PLL_NPLL>, <&cru ACLK_PERIHP>, <&cru HCLK_PERIHP>, <&cru PCLK_PERIHP>, <&cru ACLK_PERILP0>, <&cru HCLK_PERILP0>, <&cru PCLK_PERILP0>, <&cru ACLK_CCI>, <&cru HCLK_PERILP1>, <&cru PCLK_PERILP1>, <&cru ACLK_VIO>, <&cru ACLK_GIC_PRE>, <&cru PCLK_DDR>, <&cru ACLK_HDCP>, <&cru ACLK_VDU>; assigned-clock-rates = <600000000>, <1600000000>, <1000000000>, <150000000>, <75000000>, <37500000>, <100000000>, <100000000>, <50000000>, <800000000>, <100000000>, <50000000>, <400000000>, <200000000>, <200000000>, <400000000>, <400000000>; }; /* The center supply is fixed to .9V on scarlet */ &dmc { center-supply = <&pp900_s0>; }; /* We don't need .925 V for 928 MHz on scarlet */ &dmc_opp_table { opp03 { opp-microvolt = <900000>; }; }; &gpio0 { gpio-line-names = /* GPIO0 A 0-7 */ "CLK_32K_AP", "EC_IN_RW_OD", "SPK_PA_EN", "WLAN_PERST_1V8_L", "WLAN_PD_1V8_L", "WLAN_RF_KILL_1V8_L", "BIGCPU_DVS_PWM", "SD_CD_L_JTAG_EN", /* GPIO0 B 0-5 */ "BT_EN_BT_RF_KILL_1V8_L", "PMUIO2_33_18_L_PP3300_S0_EN", "TOUCH_RESET_L", "AP_EC_WARM_RESET_REQ", "PEN_RESET_L", /* * AP_FLASH_WP_L is crossystem ABI. Schematics call * it AP_FLASH_WP_R_ODL. */ "AP_FLASH_WP_L"; }; &gpio1 { gpio-line-names = /* GPIO1 A 0-7 */ "PEN_INT_ODL", "PEN_EJECT_ODL", "BT_HOST_WAKE_1V8_L", "WLAN_HOST_WAKE_1V8_L", "TOUCH_INT_ODL", "AP_EC_S3_S0_L", "AP_EC_OVERTEMP", "AP_SPI_FLASH_MISO", /* GPIO1 B 0-7 */ "AP_SPI_FLASH_MOSI_R", "AP_SPI_FLASH_CLK_R", "AP_SPI_FLASH_CS_L_R", "SD_CARD_DET_ODL", "", "AP_EXPANSION_IO1", "AP_EXPANSION_IO2", "AP_I2C_DISP_SDA", /* GPIO1 C 0-7 */ "AP_I2C_DISP_SCL", "H1_INT_ODL", "EC_AP_INT_ODL", "LITCPU_DVS_PWM", "AP_I2C_AUDIO_SDA", "AP_I2C_AUDIO_SCL", "AP_EXPANSION_IO3", "HEADSET_INT_ODL", /* GPIO1 D0 */ "AP_EXPANSION_IO4"; }; &gpio2 { gpio-line-names = /* GPIO2 A 0-7 */ "AP_I2C_PEN_SDA", "AP_I2C_PEN_SCL", "SD_IO_PWR_EN", "UCAM_RST_L", "PP1250_CAM_EN", "WCAM_RST_L", "AP_EXPANSION_IO5", "AP_I2C_CAM_SDA", /* GPIO2 B 0-7 */ "AP_I2C_CAM_SCL", "AP_H1_SPI_MISO", "AP_H1_SPI_MOSI", "AP_H1_SPI_CLK", "AP_H1_SPI_CS_L", "", "", "", /* GPIO2 C 0-7 */ "UART_EXPANSION_TX_AP_RX", "UART_AP_TX_EXPANSION_RX", "UART_EXPANSION_RTS_AP_CTS", "UART_AP_RTS_EXPANSION_CTS", "AP_SPI_EC_MISO", "AP_SPI_EC_MOSI", "AP_SPI_EC_CLK", "AP_SPI_EC_CS_L", /* GPIO2 D 0-4 */ "PP2800_CAM_EN", "CLK_24M_CAM", "WLAN_PCIE_CLKREQ_1V8_L", "", "SD_PWR_3000_1800_L"; }; &gpio3 { gpio-line-names = /* GPIO3 A 0-7 */ "", "", "", "", "", "", "", "", /* GPIO3 B 0-7 */ "", "", "", "", "", "", "", "", /* GPIO3 C 0-7 */ "", "", "", "", "", "", "", "", /* GPIO3 D 0-7 */ "I2S0_SCLK", "I2S0_LRCK_RX", "I2S0_LRCK_TX", "I2S0_SDI_0", "STRAP_LCDBIAS_L", "STRAP_FEATURE_1", "STRAP_FEATURE_2", "I2S0_SDO_0"; }; &gpio4 { gpio-line-names = /* GPIO4 A 0-7 */ "I2S_MCLK", "AP_I2C_EXPANSION_SDA", "AP_I2C_EXPANSION_SCL", "DMIC_EN", "", "", "", "", /* GPIO4 B 0-7 */ "", "", "", "", "", "", "", "", /* GPIO4 C 0-7 */ "AP_I2C_TS_SDA", "AP_I2C_TS_SCL", "GPU_DVS_PWM", "UART_DBG_TX_AP_RX", "UART_AP_TX_DBG_RX", "BL_EN", "BL_PWM", "", /* GPIO4 D 0-5 */ "", "DISPLAY_RST_L", "", "PPVARP_LCD_EN", "PPVARN_LCD_EN", "SD_SLOT_PWR_EN"; }; &i2c_tunnel { google,remote-bus = <0>; }; &io_domains { bt656-supply = <&pp1800_s0>; /* APIO2_VDD; 2a 2b */ audio-supply = <&pp1800_s0>; /* APIO5_VDD; 3d 4a */ gpio1830-supply = <&pp1800_s0>; /* APIO4_VDD; 4c 4d */ }; &isp0 { status = "okay"; ports { port@0 { mipi_in_wcam: endpoint@0 { reg = <0>; remote-endpoint = <&wcam_out>; data-lanes = <1 2>; }; mipi_in_ucam: endpoint@1 { reg = <1>; remote-endpoint = <&ucam_out>; data-lanes = <1>; }; }; }; }; &isp0_mmu { status = "okay"; }; &max98357a { sdmode-gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>; }; &mipi_dphy_rx0 { status = "okay"; }; &mipi_dsi { status = "okay"; clock-master; ports { mipi_out: port@1 { reg = <1>; mipi_out_panel: endpoint { remote-endpoint = <&mipi_in_panel>; }; }; }; mipi_panel: panel@0 { /* 2 different panels are used, compatibles are in dts files */ reg = <0>; backlight = <&backlight>; enable-gpios = <&gpio4 25 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&display_rst_l>; ports { #address-cells = <1>; #size-cells = <0>; port@0 { reg = <0>; mipi_in_panel: endpoint { remote-endpoint = <&mipi_out_panel>; }; }; port@1 { reg = <1>; mipi1_in_panel: endpoint@1 { remote-endpoint = <&mipi1_out_panel>; }; }; }; }; }; &mipi_dsi1 { status = "okay"; ports { mipi1_out: port@1 { reg = <1>; mipi1_out_panel: endpoint { remote-endpoint = <&mipi1_in_panel>; }; }; }; }; &pcie0 { ep-gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>; /* PERST# asserted in S3 */ pcie-reset-suspend = <1>; vpcie3v3-supply = <&wlan_3v3>; vpcie1v8-supply = <&pp1800_pcie>; }; &sdmmc { cd-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>; }; &sound { rockchip,codec = <&max98357a &dmic &codec &cdn_dp>; }; &spi2 { status = "okay"; cr50@0 { compatible = "google,cr50"; reg = <0>; interrupt-parent = <&gpio1>; interrupts = <17 IRQ_TYPE_EDGE_RISING>; pinctrl-names = "default"; pinctrl-0 = <&h1_int_od_l>; spi-max-frequency = <800000>; }; }; &usb_host0_ohci { #address-cells = <1>; #size-cells = <0>; qca_bt: bluetooth@1 { compatible = "usbcf3,e300", "usb4ca,301a"; reg = <1>; pinctrl-names = "default"; pinctrl-0 = <&bt_host_wake_l>; interrupt-parent = <&gpio1>; interrupts = <2 IRQ_TYPE_LEVEL_HIGH>; interrupt-names = "wakeup"; }; }; /* PINCTRL OVERRIDES */ &ec_ap_int_l { rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_up>; }; &ap_fw_wp { rockchip,pins = <0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>; }; &bl_en { rockchip,pins = <4 RK_PC5 RK_FUNC_GPIO &pcfg_pull_none>; }; &bt_host_wake_l { rockchip,pins = <1 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>; }; &ec_ap_int_l { rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_up>; }; &headset_int_l { rockchip,pins = <1 RK_PC7 RK_FUNC_GPIO &pcfg_pull_up>; }; &i2s0_8ch_bus { rockchip,pins = <3 RK_PD0 1 &pcfg_pull_none_6ma>, <3 RK_PD1 1 &pcfg_pull_none_6ma>, <3 RK_PD2 1 &pcfg_pull_none_6ma>, <3 RK_PD3 1 &pcfg_pull_none_6ma>, <3 RK_PD7 1 &pcfg_pull_none_6ma>, <4 RK_PA0 1 &pcfg_pull_none_6ma>; }; /* there is no external pull up, so need to set this pin pull up */ &sdmmc_cd_pin { rockchip,pins = <1 RK_PB3 RK_FUNC_GPIO &pcfg_pull_up>; }; &sd_pwr_1800_sel { rockchip,pins = <2 RK_PD4 RK_FUNC_GPIO &pcfg_pull_up>; }; &sdmode_en { rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO &pcfg_pull_down>; }; &touch_reset_l { rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO &pcfg_pull_down>; }; &touch_int_l { rockchip,pins = <1 RK_PA4 RK_FUNC_GPIO &pcfg_pull_down>; }; &pinctrl { pinctrl-0 = < &ap_pwroff /* AP will auto-assert this when in S3 */ &clk_32k /* This pin is always 32k on gru boards */ &wlan_rf_kill_1v8_l >; pcfg_pull_none_6ma: pcfg-pull-none-6ma { bias-disable; drive-strength = <6>; }; camera { pp1250_cam_en: pp1250-dvdd { rockchip,pins = <2 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>; }; pp2800_cam_en: pp2800-avdd { rockchip,pins = <2 RK_PD0 RK_FUNC_GPIO &pcfg_pull_none>; }; ucam_rst: ucam_rst { rockchip,pins = <2 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>; }; wcam_rst: wcam_rst { rockchip,pins = <2 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>; }; }; digitizer { pen_int_odl: pen-int-odl { rockchip,pins = <1 RK_PA0 RK_FUNC_GPIO &pcfg_pull_up>; }; pen_reset_l: pen-reset-l { rockchip,pins = <0 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>; }; }; discrete-regulators { display_rst_l: display-rst-l { rockchip,pins = <4 RK_PD1 RK_FUNC_GPIO &pcfg_pull_down>; }; ppvarp_lcd_en: ppvarp-lcd-en { rockchip,pins = <4 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>; }; ppvarn_lcd_en: ppvarn-lcd-en { rockchip,pins = <4 RK_PD4 RK_FUNC_GPIO &pcfg_pull_none>; }; }; dmic { dmic_en: dmic-en { rockchip,pins = <4 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>; }; }; pen { pen_eject_odl: pen-eject-odl { rockchip,pins = <1 RK_PA1 RK_FUNC_GPIO &pcfg_pull_up>; }; }; tpm { h1_int_od_l: h1-int-od-l { rockchip,pins = <1 RK_PC1 RK_FUNC_GPIO &pcfg_pull_up>; }; }; }; &wifi { bt_en_1v8_l: bt-en-1v8-l { rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>; }; wlan_pd_1v8_l: wlan-pd-1v8-l { rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>; }; /* Default pull-up, but just to be clear */ wlan_rf_kill_1v8_l: wlan-rf-kill-1v8-l { rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>; }; wifi_perst_l: wifi-perst-l { rockchip,pins = <0 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>; }; wlan_host_wake_l: wlan-host-wake-l { rockchip,pins = <1 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>; }; };