// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Google Gru-scarlet board device tree source
*
* Copyright 2018 Google, Inc
*/
#include "rk3399-gru.dtsi"
/{
/* 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>;
pen-insert {
label = "Pen Insert";
/* Insert = low, eject = high */
gpios = <&gpio1 1 GPIO_ACTIVE_LOW>;
linux,code = <SW_PEN_INSERTED>;
linux,input-type = <EV_SW>;
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>;
};
&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>;
assigned-clock-rates =
<600000000>, <1600000000>,
<1000000000>,
<150000000>, <75000000>,
<37500000>,
<100000000>, <100000000>,
<50000000>, <800000000>,
<100000000>, <50000000>,
<400000000>,
<200000000>,
<200000000>,
<400000000>;
};
&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 */
};
&max98357a {
sdmode-gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>;
};
&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";
};
&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_gpio {
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>;
};
};
