diff options
Diffstat (limited to 'arch/arm64/boot/dts/rockchip/rk3399-gru-chromebook.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/rockchip/rk3399-gru-chromebook.dtsi | 591 |
1 files changed, 591 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru-chromebook.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-gru-chromebook.dtsi new file mode 100644 index 000000000..7d9b8064a --- /dev/null +++ b/arch/arm64/boot/dts/rockchip/rk3399-gru-chromebook.dtsi @@ -0,0 +1,591 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Google Gru-Chromebook shared properties + * + * Copyright 2018 Google, Inc + */ + +#include "rk3399-gru.dtsi" + +/ { + pp900_ap: pp900-ap { + compatible = "regulator-fixed"; + regulator-name = "pp900_ap"; + + /* EC turns on w/ pp900_ap_en; always on for AP */ + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <900000>; + + vin-supply = <&ppvar_sys>; + }; + + /* EC turns on w/ pp900_usb_en */ + pp900_usb: pp900-ap { + }; + + /* EC turns on w/ pp900_pcie_en */ + pp900_pcie: pp900-ap { + }; + + pp3000: pp3000 { + compatible = "regulator-fixed"; + regulator-name = "pp3000"; + pinctrl-names = "default"; + pinctrl-0 = <&pp3000_en>; + + enable-active-high; + gpio = <&gpio0 12 GPIO_ACTIVE_HIGH>; + + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3000000>; + + vin-supply = <&ppvar_sys>; + }; + + ppvar_centerlogic_pwm: ppvar-centerlogic-pwm { + compatible = "pwm-regulator"; + regulator-name = "ppvar_centerlogic_pwm"; + + pwms = <&pwm3 0 3337 0>; + pwm-supply = <&ppvar_sys>; + pwm-dutycycle-range = <100 0>; + pwm-dutycycle-unit = <100>; + + /* EC turns on w/ ppvar_centerlogic_en; always on for AP */ + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <799434>; + regulator-max-microvolt = <1049925>; + }; + + ppvar_centerlogic: ppvar-centerlogic { + compatible = "vctrl-regulator"; + regulator-name = "ppvar_centerlogic"; + + regulator-min-microvolt = <799434>; + regulator-max-microvolt = <1049925>; + + ctrl-supply = <&ppvar_centerlogic_pwm>; + ctrl-voltage-range = <799434 1049925>; + + regulator-settling-time-up-us = <378>; + min-slew-down-rate = <225>; + ovp-threshold-percent = <16>; + }; + + /* Schematics call this PPVAR even though it's fixed */ + ppvar_logic: ppvar-logic { + compatible = "regulator-fixed"; + regulator-name = "ppvar_logic"; + + /* EC turns on w/ ppvar_logic_en; always on for AP */ + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <900000>; + + vin-supply = <&ppvar_sys>; + }; + + pp1800_audio: pp1800-audio { + compatible = "regulator-fixed"; + regulator-name = "pp1800_audio"; + pinctrl-names = "default"; + pinctrl-0 = <&pp1800_audio_en>; + + enable-active-high; + gpio = <&gpio0 2 GPIO_ACTIVE_HIGH>; + + regulator-always-on; + regulator-boot-on; + + vin-supply = <&pp1800>; + }; + + /* gpio is shared with pp3300_wifi_bt */ + pp1800_pcie: pp1800-pcie { + compatible = "regulator-fixed"; + regulator-name = "pp1800_pcie"; + pinctrl-names = "default"; + pinctrl-0 = <&wlan_module_pd_l>; + + enable-active-high; + gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>; + + /* + * Need to wait 1ms + ramp-up time before we can power on WiFi. + * This has been approximated as 8ms total. + */ + regulator-enable-ramp-delay = <8000>; + + vin-supply = <&pp1800>; + }; + + /* Always on; plain and simple */ + pp3000_ap: pp3000_emmc: pp3000 { + }; + + pp1500_ap_io: pp1500-ap-io { + compatible = "regulator-fixed"; + regulator-name = "pp1500_ap_io"; + pinctrl-names = "default"; + pinctrl-0 = <&pp1500_en>; + + enable-active-high; + gpio = <&gpio0 10 GPIO_ACTIVE_HIGH>; + + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <1500000>; + regulator-max-microvolt = <1500000>; + + vin-supply = <&pp1800>; + }; + + pp3300_disp: pp3300-disp { + compatible = "regulator-fixed"; + regulator-name = "pp3300_disp"; + pinctrl-names = "default"; + pinctrl-0 = <&pp3300_disp_en>; + + enable-active-high; + gpio = <&gpio4 27 GPIO_ACTIVE_HIGH>; + + startup-delay-us = <2000>; + vin-supply = <&pp3300>; + }; + + /* EC turns on w/ pp3300_usb_en_l */ + pp3300_usb: pp3300 { + }; + + /* gpio is shared with pp1800_pcie and pinctrl is set there */ + pp3300_wifi_bt: pp3300-wifi-bt { + compatible = "regulator-fixed"; + regulator-name = "pp3300_wifi_bt"; + + enable-active-high; + gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>; + + vin-supply = <&pp3300>; + }; + + /* + * This is a bit of a hack. The WiFi module should be reset at least + * 1ms after its regulators have ramped up (max rampup time is ~7ms). + * With some stretching of the imagination, we can call the 1.8V + * regulator a supply. + */ + wlan_pd_n: wlan-pd-n { + compatible = "regulator-fixed"; + regulator-name = "wlan_pd_n"; + pinctrl-names = "default"; + pinctrl-0 = <&wlan_module_reset_l>; + + enable-active-high; + gpio = <&gpio1 11 GPIO_ACTIVE_HIGH>; + + vin-supply = <&pp1800_pcie>; + }; + + backlight: backlight { + compatible = "pwm-backlight"; + enable-gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>; + power-supply = <&pp3300_disp>; + pinctrl-names = "default"; + pinctrl-0 = <&bl_en>; + pwm-delay-us = <10000>; + }; + + gpio_keys: gpio-keys { + compatible = "gpio-keys"; + pinctrl-names = "default"; + pinctrl-0 = <&bt_host_wake_l>; + + wake_on_bt: key-wake-on-bt { + label = "Wake-on-Bluetooth"; + gpios = <&gpio0 3 GPIO_ACTIVE_LOW>; + linux,code = <KEY_WAKEUP>; + wakeup-source; + }; + }; +}; + +&ppvar_bigcpu { + min-slew-down-rate = <225>; + ovp-threshold-percent = <16>; +}; + +&ppvar_litcpu { + min-slew-down-rate = <225>; + ovp-threshold-percent = <16>; +}; + +&ppvar_gpu { + min-slew-down-rate = <225>; + ovp-threshold-percent = <16>; +}; + +&cdn_dp { + extcon = <&usbc_extcon0>, <&usbc_extcon1>; +}; + +&dmc { + center-supply = <&ppvar_centerlogic>; + rockchip,pd-idle-dis-freq-hz = <800000000>; + rockchip,sr-idle-dis-freq-hz = <800000000>; + rockchip,sr-mc-gate-idle-dis-freq-hz = <800000000>; +}; + +&edp { + status = "okay"; + + /* + * eDP PHY/clk don't sync reliably at anything other than 24 MHz. Only + * set this here, because rk3399-gru.dtsi ensures we can generate this + * off GPLL=600MHz, whereas some other RK3399 boards may not. + */ + assigned-clocks = <&cru PCLK_EDP>; + assigned-clock-rates = <24000000>; + + ports { + edp_out: port@1 { + reg = <1>; + #address-cells = <1>; + #size-cells = <0>; + + edp_out_panel: endpoint@0 { + reg = <0>; + remote-endpoint = <&panel_in_edp>; + }; + }; + }; +}; + +&gpio0 { + gpio-line-names = /* GPIO0 A 0-7 */ + "AP_RTC_CLK_IN", + "EC_AP_INT_L", + "PP1800_AUDIO_EN", + "BT_HOST_WAKE_L", + "WLAN_MODULE_PD_L", + "H1_INT_OD_L", + "CENTERLOGIC_DVS_PWM", + "", + + /* GPIO0 B 0-4 */ + "WIFI_HOST_WAKE_L", + "PMUIO2_33_18_L", + "PP1500_EN", + "AP_EC_WARM_RESET_REQ", + "PP3000_EN"; +}; + +&gpio1 { + gpio-line-names = /* GPIO1 A 0-7 */ + "", + "", + "SPK_PA_EN", + "", + "TRACKPAD_INT_L", + "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", + "WLAN_MODULE_RESET_L", + "WIFI_DISABLE_L", + "MIC_INT", + "", + "AP_I2C_DVS_SDA", + + /* GPIO1 C 0-7 */ + "AP_I2C_DVS_SCL", + "AP_BL_EN", + /* + * AP_FLASH_WP is crossystem ABI. Schematics call it + * AP_FW_WP or CPU1_FW_WP, depending on the variant. + */ + "AP_FLASH_WP", + "LITCPU_DVS_PWM", + "AP_I2C_AUDIO_SDA", + "AP_I2C_AUDIO_SCL", + "", + "HEADSET_INT_L"; +}; + +&gpio2 { + gpio-line-names = /* GPIO2 A 0-7 */ + "", + "", + "SD_IO_PWR_EN", + "", + "", + "", + "", + "", + + /* GPIO2 B 0-7 */ + "", + "", + "", + "", + "", + "", + "", + "", + + /* GPIO2 C 0-7 */ + "", + "", + "", + "", + "AP_SPI_EC_MISO", + "AP_SPI_EC_MOSI", + "AP_SPI_EC_CLK", + "AP_SPI_EC_CS_L", + + /* GPIO2 D 0-4 */ + "BT_DEV_WAKE_L", + "", + "WIFI_PCIE_CLKREQ_L", + "WIFI_PERST_L", + "SD_PWR_3000_1800_L"; +}; + +&gpio3 { + gpio-line-names = /* GPIO3 A 0-7 */ + "", + "", + "", + "", + "AP_SPI_TPM_MISO", + "AP_SPI_TPM_MOSI_R", + "AP_SPI_TPM_CLK_R", + "AP_SPI_TPM_CS_L_R", + + /* GPIO3 B 0-7 */ + "EC_IN_RW", + "", + "AP_I2C_TP_SDA", + "AP_I2C_TP_SCL", + "AP_I2C_TP_PU_EN", + "TOUCH_INT_L", + "", + "", + + /* GPIO3 C 0-7 */ + "", + "", + "", + "", + "", + "", + "", + "", + + /* GPIO3 D 0-7 */ + "I2S0_SCLK", + "I2S0_LRCK_RX", + "I2S0_LRCK_TX", + "I2S0_SDI_0", + "I2S0_SDI_1", + "", + "I2S0_SDO_1", + "I2S0_SDO_0"; +}; + +&gpio4 { + gpio-line-names = /* GPIO4 A 0-7 */ + "I2S_MCLK", + "AP_I2C_MIC_SDA", + "AP_I2C_MIC_SCL", + "", + "", + "", + "", + "", + + /* 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", + "", + "BIGCPU_DVS_PWM", + "EDP_HPD_3V0", + + /* GPIO4 D 0-5 */ + "SD_CARD_DET_L", + "USB_DP_HPD", + "TOUCH_RESET_L", + "PP3300_DISP_EN", + "", + "SD_SLOT_PWR_EN"; +}; + +ap_i2c_mic: &i2c1 { + status = "okay"; + + clock-frequency = <400000>; + + /* These are relatively safe rise/fall times */ + i2c-scl-falling-time-ns = <50>; + i2c-scl-rising-time-ns = <300>; + + headsetcodec: rt5514@57 { + compatible = "realtek,rt5514"; + reg = <0x57>; + realtek,dmic-init-delay-ms = <20>; + }; +}; + +ap_i2c_tp: &i2c5 { + status = "okay"; + + clock-frequency = <400000>; + + /* These are relatively safe rise/fall times */ + i2c-scl-falling-time-ns = <50>; + i2c-scl-rising-time-ns = <300>; + + /* + * Note strange pullup enable. Apparently this avoids leakage but + * still allows us to get nice 4.7K pullups for high speed i2c + * transfers. Basically we want the pullup on whenever the ap is + * alive, so the "en" pin just gets set to output high. + */ + pinctrl-0 = <&i2c5_xfer &ap_i2c_tp_pu_en>; +}; + +&cros_ec { + cros_ec_pwm: pwm { + compatible = "google,cros-ec-pwm"; + #pwm-cells = <1>; + }; + + usbc_extcon1: extcon1 { + compatible = "google,extcon-usbc-cros-ec"; + google,usb-port-id = <1>; + }; +}; + +&sound { + rockchip,codec = <&max98357a &headsetcodec + &codec &wacky_spi_audio &cdn_dp>; +}; + +&spi2 { + wacky_spi_audio: spi2@0 { + compatible = "realtek,rt5514"; + reg = <0>; + interrupt-parent = <&gpio1>; + interrupts = <13 IRQ_TYPE_LEVEL_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&mic_int>; + /* May run faster once verified. */ + spi-max-frequency = <10000000>; + wakeup-source; + }; +}; + +&pci_rootport { + mvl_wifi: wifi@0,0 { + compatible = "pci1b4b,2b42"; + reg = <0x0000 0x0 0x0 0x0 0x0>; + interrupt-parent = <&gpio0>; + interrupts = <8 IRQ_TYPE_LEVEL_LOW>; + pinctrl-names = "default"; + pinctrl-0 = <&wlan_host_wake_l>; + wakeup-source; + }; +}; + +&tcphy1 { + status = "okay"; + extcon = <&usbc_extcon1>; +}; + +&u2phy1 { + status = "okay"; +}; + +&usb_host0_ehci { + status = "okay"; +}; + +&usb_host1_ehci { + status = "okay"; +}; + +&usb_host1_ohci { + status = "okay"; +}; + +&usbdrd3_1 { + status = "okay"; + extcon = <&usbc_extcon1>; +}; + +&usbdrd_dwc3_1 { + status = "okay"; + dr_mode = "host"; +}; + +&pinctrl { + discrete-regulators { + pp1500_en: pp1500-en { + rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO + &pcfg_pull_none>; + }; + + pp1800_audio_en: pp1800-audio-en { + rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO + &pcfg_pull_down>; + }; + + pp3000_en: pp3000-en { + rockchip,pins = <0 RK_PB4 RK_FUNC_GPIO + &pcfg_pull_none>; + }; + + pp3300_disp_en: pp3300-disp-en { + rockchip,pins = <4 RK_PD3 RK_FUNC_GPIO + &pcfg_pull_none>; + }; + + wlan_module_pd_l: wlan-module-pd-l { + rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO + &pcfg_pull_down>; + }; + }; +}; + +&wifi { + wifi_perst_l: wifi-perst-l { + rockchip,pins = <2 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>; + }; + + wlan_host_wake_l: wlan-host-wake-l { + /* Kevin has an external pull up, but Bob does not */ + rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>; + }; +}; |