/*
* Google Veyron (and derivatives) board device tree source
*
* Copyright 2015 Google, Inc
*
* This file is dual-licensed: you can use it either under the terms
* of the GPL or the X11 license, at your option. Note that this dual
* licensing only applies to this file, and not this project as a
* whole.
*
* a) This file is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This file is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* Or, alternatively,
*
* b) Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include <dt-bindings/clock/rockchip,rk808.h>
#include <dt-bindings/input/input.h>
#include "rk3288.dtsi"
/ {
memory@0 {
device_type = "memory";
reg = <0x0 0x80000000>;
};
gpio_keys: gpio-keys {
compatible = "gpio-keys";
#address-cells = <1>;
#size-cells = <0>;
pinctrl-names = "default";
pinctrl-0 = <&pwr_key_l>;
power {
label = "Power";
gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_LOW>;
linux,code = <KEY_POWER>;
debounce-interval = <100>;
wakeup-source;
};
};
gpio-restart {
compatible = "gpio-restart";
gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&ap_warm_reset_h>;
priority = <200>;
};
emmc_pwrseq: emmc-pwrseq {
compatible = "mmc-pwrseq-emmc";
pinctrl-0 = <&emmc_reset>;
pinctrl-names = "default";
reset-gpios = <&gpio2 RK_PB1 GPIO_ACTIVE_HIGH>;
};
sdio_pwrseq: sdio-pwrseq {
compatible = "mmc-pwrseq-simple";
clocks = <&rk808 RK808_CLKOUT1>;
clock-names = "ext_clock";
pinctrl-names = "default";
pinctrl-0 = <&bt_enable_l>, <&wifi_enable_h>;
/*
* On the module itself this is one of these (depending
* on the actual card populated):
* - SDIO_RESET_L_WL_REG_ON
* - PDN (power down when low)
*/
reset-gpios = <&gpio4 RK_PD4 GPIO_ACTIVE_LOW>;
};
vcc_5v: vcc-5v {
compatible = "regulator-fixed";
regulator-name = "vcc_5v";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
};
vcc33_sys: vcc33-sys {
compatible = "regulator-fixed";
regulator-name = "vcc33_sys";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
vcc50_hdmi: vcc50-hdmi {
compatible = "regulator-fixed";
regulator-name = "vcc50_hdmi";
regulator-always-on;
regulator-boot-on;
vin-supply = <&vcc_5v>;
};
};
&cpu0 {
cpu0-supply = <&vdd_cpu>;
operating-points = <
/* KHz uV */
1800000 1400000
1704000 1350000
1608000 1300000
1512000 1250000
1416000 1200000
1200000 1100000
1008000 1050000
816000 1000000
696000 950000
600000 900000
408000 900000
216000 900000
126000 900000
>;
};
&emmc {
status = "okay";
bus-width = <8>;
cap-mmc-highspeed;
rockchip,default-sample-phase = <158>;
disable-wp;
mmc-hs200-1_8v;
mmc-pwrseq = <&emmc_pwrseq>;
non-removable;
num-slots = <1>;
pinctrl-names = "default";
pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>;
};
&hdmi {
ddc-i2c-bus = <&i2c5>;
status = "okay";
};
&i2c0 {
status = "okay";
clock-frequency = <400000>;
i2c-scl-falling-time-ns = <50>; /* 2.5ns measured */
i2c-scl-rising-time-ns = <100>; /* 45ns measured */
rk808: pmic@1b {
compatible = "rockchip,rk808";
reg = <0x1b>;
clock-output-names = "xin32k", "wifibt_32kin";
interrupt-parent = <&gpio0>;
interrupts = <RK_PA4 IRQ_TYPE_LEVEL_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&pmic_int_l>;
rockchip,system-power-controller;
wakeup-source;
#clock-cells = <1>;
vcc1-supply = <&vcc33_sys>;
vcc2-supply = <&vcc33_sys>;
vcc3-supply = <&vcc33_sys>;
vcc4-supply = <&vcc33_sys>;
vcc6-supply = <&vcc_5v>;
vcc7-supply = <&vcc33_sys>;
vcc8-supply = <&vcc33_sys>;
vcc12-supply = <&vcc_18>;
vddio-supply = <&vcc33_io>;
regulators {
vdd_cpu: DCDC_REG1 {
regulator-name = "vdd_arm";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <750000>;
regulator-max-microvolt = <1450000>;
regulator-ramp-delay = <6001>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
vdd_gpu: DCDC_REG2 {
regulator-name = "vdd_gpu";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <1250000>;
regulator-ramp-delay = <6001>;
regulator-state-mem {
regulator-on-in-suspend;
regulator-suspend-microvolt = <1000000>;
};
};
vcc135_ddr: DCDC_REG3 {
regulator-name = "vcc135_ddr";
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-on-in-suspend;
};
};
/*
* vcc_18 has several aliases. (vcc18_flashio and
* vcc18_wl). We'll add those aliases here just to
* make it easier to follow the schematic. The signals
* are actually hooked together and only separated for
* power measurement purposes).
*/
vcc18_wl: vcc18_flashio: vcc_18: DCDC_REG4 {
regulator-name = "vcc_18";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-state-mem {
regulator-on-in-suspend;
regulator-suspend-microvolt = <1800000>;
};
};
/*
* Note that both vcc33_io and vcc33_pmuio are always
* powered together. To simplify the logic in the dts
* we just refer to vcc33_io every time something is
* powered from vcc33_pmuio. In fact, on later boards
* (such as danger) they're the same net.
*/
vcc33_io: LDO_REG1 {
regulator-name = "vcc33_io";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-state-mem {
regulator-on-in-suspend;
regulator-suspend-microvolt = <3300000>;
};
};
vdd_10: LDO_REG3 {
regulator-name = "vdd_10";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
regulator-state-mem {
regulator-on-in-suspend;
regulator-suspend-microvolt = <1000000>;
};
};
vdd10_lcd_pwren_h: LDO_REG7 {
regulator-name = "vdd10_lcd_pwren_h";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <2500000>;
regulator-max-microvolt = <2500000>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
vcc33_lcd: SWITCH_REG1 {
regulator-name = "vcc33_lcd";
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-off-in-suspend;
};
};
};
};
};
&i2c1 {
status = "okay";
clock-frequency = <400000>;
i2c-scl-falling-time-ns = <50>; /* 2.5ns measured */
i2c-scl-rising-time-ns = <100>; /* 40ns measured */
tpm: tpm@20 {
compatible = "infineon,slb9645tt";
reg = <0x20>;
powered-while-suspended;
};
};
&i2c2 {
status = "okay";
/* 100kHz since 4.7k resistors don't rise fast enough */
clock-frequency = <100000>;
i2c-scl-falling-time-ns = <50>; /* 10ns measured */
i2c-scl-rising-time-ns = <800>; /* 600ns measured */
};
&i2c4 {
status = "okay";
clock-frequency = <400000>;
i2c-scl-falling-time-ns = <50>; /* 11ns measured */
i2c-scl-rising-time-ns = <300>; /* 225ns measured */
};
&i2c5 {
status = "okay";
clock-frequency = <100000>;
i2c-scl-falling-time-ns = <300>;
i2c-scl-rising-time-ns = <1000>;
};
&io_domains {
status = "okay";
bb-supply = <&vcc33_io>;
dvp-supply = <&vcc_18>;
flash0-supply = <&vcc18_flashio>;
gpio1830-supply = <&vcc33_io>;
gpio30-supply = <&vcc33_io>;
lcdc-supply = <&vcc33_lcd>;
wifi-supply = <&vcc18_wl>;
};
&pwm1 {
status = "okay";
};
&sdio0 {
status = "okay";
bus-width = <4>;
cap-sd-highspeed;
cap-sdio-irq;
keep-power-in-suspend;
mmc-pwrseq = <&sdio_pwrseq>;
non-removable;
num-slots = <1>;
pinctrl-names = "default";
pinctrl-0 = <&sdio0_clk &sdio0_cmd &sdio0_bus4>;
sd-uhs-sdr12;
sd-uhs-sdr25;
sd-uhs-sdr50;
sd-uhs-sdr104;
vmmc-supply = <&vcc33_sys>;
vqmmc-supply = <&vcc18_wl>;
};
&spi2 {
status = "okay";
rx-sample-delay-ns = <12>;
flash@0 {
compatible = "jedec,spi-nor";
spi-max-frequency = <50000000>;
reg = <0>;
};
};
&tsadc {
status = "okay";
rockchip,hw-tshut-mode = <1>; /* tshut mode 0:CRU 1:GPIO */
rockchip,hw-tshut-polarity = <1>; /* tshut polarity 0:LOW 1:HIGH */
};
&uart0 {
status = "okay";
/* We need to go faster than 24MHz, so adjust clock parents / rates */
assigned-clocks = <&cru SCLK_UART0>;
assigned-clock-rates = <48000000>;
/* Pins don't include flow control by default; add that in */
pinctrl-names = "default";
pinctrl-0 = <&uart0_xfer &uart0_cts &uart0_rts>;
};
&uart1 {
status = "okay";
};
&uart2 {
status = "okay";
};
&usbphy {
status = "okay";
};
&usb_host0_ehci {
status = "okay";
needs-reset-on-resume;
};
&usb_host1 {
status = "okay";
};
&usb_otg {
status = "okay";
assigned-clocks = <&cru SCLK_USBPHY480M_SRC>;
assigned-clock-parents = <&usbphy0>;
dr_mode = "host";
};
&vopb {
status = "okay";
};
&vopb_mmu {
status = "okay";
};
&wdt {
status = "okay";
};
&pinctrl {
pinctrl-names = "default", "sleep";
pinctrl-0 = <
/* Common for sleep and wake, but no owners */
&global_pwroff
>;
pinctrl-1 = <
/* Common for sleep and wake, but no owners */
&global_pwroff
>;
pcfg_pull_none_drv_8ma: pcfg-pull-none-drv-8ma {
bias-disable;
drive-strength = <8>;
};
pcfg_pull_up_drv_8ma: pcfg-pull-up-drv-8ma {
bias-pull-up;
drive-strength = <8>;
};
pcfg_output_high: pcfg-output-high {
output-high;
};
pcfg_output_low: pcfg-output-low {
output-low;
};
buttons {
pwr_key_l: pwr-key-l {
rockchip,pins = <0 5 RK_FUNC_GPIO &pcfg_pull_up>;
};
};
emmc {
emmc_reset: emmc-reset {
rockchip,pins = <2 9 RK_FUNC_GPIO &pcfg_pull_none>;
};
/*
* We run eMMC at max speed; bump up drive strength.
* We also have external pulls, so disable the internal ones.
*/
emmc_clk: emmc-clk {
rockchip,pins = <3 18 RK_FUNC_2 &pcfg_pull_none_drv_8ma>;
};
emmc_cmd: emmc-cmd {
rockchip,pins = <3 16 RK_FUNC_2 &pcfg_pull_none_drv_8ma>;
};
emmc_bus8: emmc-bus8 {
rockchip,pins = <3 0 RK_FUNC_2 &pcfg_pull_none_drv_8ma>,
<3 1 RK_FUNC_2 &pcfg_pull_none_drv_8ma>,
<3 2 RK_FUNC_2 &pcfg_pull_none_drv_8ma>,
<3 3 RK_FUNC_2 &pcfg_pull_none_drv_8ma>,
<3 4 RK_FUNC_2 &pcfg_pull_none_drv_8ma>,
<3 5 RK_FUNC_2 &pcfg_pull_none_drv_8ma>,
<3 6 RK_FUNC_2 &pcfg_pull_none_drv_8ma>,
<3 7 RK_FUNC_2 &pcfg_pull_none_drv_8ma>;
};
};
pmic {
pmic_int_l: pmic-int-l {
rockchip,pins = <RK_GPIO0 4 RK_FUNC_GPIO &pcfg_pull_up>;
};
};
reboot {
ap_warm_reset_h: ap-warm-reset-h {
rockchip,pins = <RK_GPIO0 13 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
recovery-switch {
rec_mode_l: rec-mode-l {
rockchip,pins = <0 9 RK_FUNC_GPIO &pcfg_pull_up>;
};
};
sdio0 {
wifi_enable_h: wifienable-h {
rockchip,pins = <4 28 RK_FUNC_GPIO &pcfg_pull_none>;
};
/* NOTE: mislabelled on schematic; should be bt_enable_h */
bt_enable_l: bt-enable-l {
rockchip,pins = <4 29 RK_FUNC_GPIO &pcfg_pull_none>;
};
/*
* We run sdio0 at max speed; bump up drive strength.
* We also have external pulls, so disable the internal ones.
*/
sdio0_bus4: sdio0-bus4 {
rockchip,pins = <4 20 RK_FUNC_1 &pcfg_pull_none_drv_8ma>,
<4 21 RK_FUNC_1 &pcfg_pull_none_drv_8ma>,
<4 22 RK_FUNC_1 &pcfg_pull_none_drv_8ma>,
<4 23 RK_FUNC_1 &pcfg_pull_none_drv_8ma>;
};
sdio0_cmd: sdio0-cmd {
rockchip,pins = <4 24 RK_FUNC_1 &pcfg_pull_none_drv_8ma>;
};
sdio0_clk: sdio0-clk {
rockchip,pins = <4 25 RK_FUNC_1 &pcfg_pull_none_drv_8ma>;
};
};
tpm {
tpm_int_h: tpm-int-h {
rockchip,pins = <7 4 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
write-protect {
fw_wp_ap: fw-wp-ap {
rockchip,pins = <7 6 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
};
