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-rw-r--r--arch/arm64/boot/dts/rockchip/rk3399-gru-chromebook.dtsi591
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diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru-chromebook.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-gru-chromebook.dtsi
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+++ b/arch/arm64/boot/dts/rockchip/rk3399-gru-chromebook.dtsi
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+// 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>;
+ };
+};