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armbian-build/patch/kernel/archive/rockchip-6.12/dt/rk3288-xt-q8l-v10.dts

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/*
* Copyright (c) 2014, 2015 FUKAUMI Naoki <naobsd@gmail.com>
* 2018 Paolo Sabatino <paolo.sabatino@gm**l.com>
*
* 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.
*/
/dts-v1/;
#include "rk3288.dtsi"
#include <dt-bindings/pinctrl/rockchip.h>
#include <dt-bindings/input/input.h>
/ {
model = "XT-Q8L-V10-RK3288";
compatible = "generic,xt-q8l-v10-rk3288", "rockchip,rk3288";
memory@0 {
reg = <0x0 0x0 0x0 0x80000000>;
device_type = "memory";
};
/*
* Peripheral from original q8 device tree, currently no references
* for drivers in linux kernel.
rockchip-hsadc@ff080000 {
compatible = "rockchip-hsadc";
reg = <0xff080000 0x4000>;
interrupts = <0x0 0x1f 0x4>;
#address-cells = <0x1>;
#size-cells = <0x0>;
pinctrl-names = "default";
pinctrl-0 = <0x9a>;
clocks = <0x79 0x7 0x8 0x39>;
clock-names = "hclk_hsadc", "clk_hsadc_out", "clk_hsadc_ext";
dmas = <0x9b 0x0>;
dma-names = "data";
status = "disabled";
};
*/
ext_gmac: external-gmac-clock {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <125000000>;
clock-output-names = "ext_gmac";
};
bt_xtal: bluetooth-xtal-clock {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <37400000>;
clock-output-names = "txco";
};
/*
* Handle the IR receiver using the gpio-ir-receiver kernel module.
* This works flawlessy, the original xt-q8l-v10 remote uses a NEC
* protocol and the keymap rc-xt-q8l-v10 has to be compiled in the
* kernel for the remote to work as an input device
*/
ir: ir-receiver {
compatible = "gpio-ir-receiver";
gpios = <&gpio7 RK_PA0 GPIO_ACTIVE_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&ir_int>;
linux,rc-map-name = "rc-xt-q8l-v10";
wakeup-source;
};
keys: gpio-keys {
compatible = "gpio-keys";
#address-cells = <1>;
#size-cells = <0>;
pinctrl-names = "default";
pinctrl-0 = <&pwr_key>;
button@0 {
gpio-key,wakeup = <1>;
gpios = <&gpio0 5 GPIO_ACTIVE_HIGH>;
label = "GPIO Power";
linux,code = <KEY_POWER>;
wakeup-source;
debounce-interval = <100>;
};
};
leds {
compatible = "gpio-leds";
power {
/*
Power led is active high, but we set it here active low
so while there is mass storage access it turns red and
when it is idle is blue
*/
gpios = <&gpio7 2 GPIO_ACTIVE_LOW>;
label = "power";
linux,default-trigger = "mmc0";
pinctrl-names = "default";
pinctrl-0 = <&power_led>;
};
};
vcc_sys: vsys-regulator {
compatible = "regulator-fixed";
regulator-name = "vcc_sys";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-always-on;
regulator-boot-on;
};
vcc_sd: sdmmc-regulator {
compatible = "regulator-fixed";
gpio = <&gpio7 11 GPIO_ACTIVE_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&sdmmc_pwr>;
regulator-name = "vcc_sd";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
startup-delay-us = <100000>;
vin-supply = <&vcc_io>;
};
vcc_flash: flash-regulator {
compatible = "regulator-fixed";
regulator-name = "vcc_flash";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
/*gpios = <&gpio3 RK_PC3 GPIO_ACTIVE_LOW>;
states = <1800000 0>,
<3300000 1>;
*/
vin-supply = <&vcc_io>;
startup-delay-us = <100000>;
};
vcc_host_5v: usb-host-regulator {
compatible = "regulator-fixed";
gpio = <&gpio0 14 GPIO_ACTIVE_HIGH>;
regulator-name = "vcc_host_5v";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-boot-on;
enable-active-high;
vin-supply = <&vcc_sys>;
};
vcc_otg_5v: usb-otg-regulator {
compatible = "regulator-fixed";
gpio = <&gpio0 12 GPIO_ACTIVE_HIGH>;
regulator-name = "vcc_otg_5v";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-boot-on;
enable-active-high;
vin-supply = <&vcc_sys>;
};
/*
* Required power sequence to properly enable the wireless/bluetooth
* module connected to sdio0
*/
sdio0_pwrseq: sdio0-pwrseq {
compatible = "mmc-pwrseq-simple";
pinctrl-names = "default";
pinctrl-0 = <&wifi_enable_h>;
reset-gpios = <&gpio4 RK_PD4 GPIO_ACTIVE_LOW>;
post-power-on-delay-ms = <100>;
};
/*
* Not really needed, and also break some eMMC configuraions
emmc_pwrseq: emmc-pwrseq {
compatible = "mmc-pwrseq-emmc";
pinctrl-0 = <&emmc_reset>;
pinctrl-names = "default";
reset-gpios = <&gpio3 RK_PB1 GPIO_ACTIVE_LOW>;
};
*/
hdmi-sound {
compatible = "audio-graph-card2";
label = "HDMI";
links = <&i2s_port>;
};
spdif-sound {
compatible = "audio-graph-card2";
label = "SPDIF";
links = <&spdif_port>;
};
spdif_out: spdif-out {
compatible = "linux,spdif-dit";
#sound-dai-cells = <0>;
spdif_out_port: port {
spdif_out_ep: endpoint {
remote-endpoint = <&spdif_ep>;
};
};
};
};
&io_domains {
status = "okay";
audio-supply = <&vcca_33>;
bb-supply = <&vcc_io>;
dvp-supply = <&vcc_18>;
flash0-supply = <&vcc_flash>;
flash1-supply = <&vcc_lan>;
gpio30-supply = <&vcc_io>;
gpio1830-supply = <&vcc_io>;
lcdc-supply = <&vcc_io>;
sdcard-supply = <&vccio_sd>;
wifi-supply = <&vcc_18>;
};
&cpu0 {
cpu0-supply = <&vdd_cpu>;
};
&gmac {
assigned-clocks = <&cru SCLK_MAC>;
assigned-clock-parents = <&ext_gmac>;
clock_in_out = "input";
pinctrl-names = "default";
pinctrl-0 = <&rgmii_pins>, <&phy_rst>, <&phy_pmeb>, <&phy_int>;
phy-supply = <&vcc_lan>;
phy-mode = "rgmii";
snps,reset-active-low;
snps,reset-delays-us = <0 10000 1000000>;
snps,reset-gpio = <&gpio4 8 GPIO_ACTIVE_LOW>;
tx_delay = <0x30>;
rx_delay = <0x10>;
status = "ok";
};
&hdmi {
ddc-i2c-bus = <&i2c5>;
status = "ok";
hdmi_port: port@2 {
reg = <2>;
hdmi_ep: endpoint {
remote-endpoint = <&i2s_ep>;
};
};
};
&gpu {
mali-supply = <&vdd_gpu>;
status = "ok";
};
&i2c0 {
clock-frequency = <400000>;
status = "ok";
vdd_cpu: syr827@40 {
compatible = "silergy,syr827";
fcs,suspend-voltage-selector = <1>;
reg = <0x40>;
regulator-name = "vdd_cpu";
regulator-min-microvolt = <850000>;
regulator-max-microvolt = <1350000>;
regulator-ramp-delay = <8000>;
regulator-always-on;
regulator-boot-on;
vin-supply = <&vcc_sys>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
vdd_gpu: syr828@41 {
compatible = "silergy,syr828";
fcs,suspend-voltage-selector = <1>;
reg = <0x41>;
regulator-name = "vdd_gpu";
regulator-min-microvolt = <850000>;
regulator-max-microvolt = <1350000>;
regulator-ramp-delay = <8000>;
regulator-always-on;
vin-supply = <&vcc_sys>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
hym8563: hym8563@51 {
compatible = "haoyu,hym8563";
reg = <0x51>;
#clock-cells = <0>;
clock-frequency = <32768>;
clock-output-names = "xin32k";
interrupt-parent = <&gpio0>;
interrupts = <4 IRQ_TYPE_EDGE_FALLING>;
pinctrl-names = "default";
pinctrl-0 = <&rtc_int>;
};
act8846: act8846@5a {
compatible = "active-semi,act8846";
reg = <0x5a>;
pinctrl-names = "default";
pinctrl-0 = <&pmic_vsel>;
system-power-controller;
vp1-supply = <&vcc_sys>;
vp2-supply = <&vcc_sys>;
vp3-supply = <&vcc_sys>;
vp4-supply = <&vcc_sys>;
inl1-supply = <&vcc_sys>;
inl2-supply = <&vcc_sys>;
inl3-supply = <&vcc_20>;
wakeup-source;
regulators {
/*
* Regulator controlling DDR memory - always on
*/
vcc_ddr: REG1 {
regulator-name = "vcc_ddr";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-always-on;
/*
* Broken in kernel 5.4
regulator-state-mem {
regulator-on-in-suspend;
};
*/
};
/*
* Regulator controlling various IO functions of the rk3288.
* Always on
*/
vcc_io: REG2 {
regulator-name = "vcc_io";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
/*
* Broken in kernel 5.4
regulator-state-mem {
regulator-on-in-suspend;
};
*/
};
/*
* Regulator controlling various board logic.
* Always on.
* rk3288 electrical datasheet says it should have variable
* voltage depending upon dvfs
*/
vdd_log: REG3 {
regulator-name = "vdd_log";
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <1100000>;
regulator-always-on;
/*
* Broken in kernel 5.4
regulator-state-mem {
regulator-on-in-suspend;
};
*/
};
/*
* No reference for this on electrical datasheet. Maybe this
* is vcc_18? Maybe this is vcc18_flash on electrical datasheet.
* So far we disable it.
*/
vcc_20: REG4 {
regulator-name = "vcc_20";
regulator-min-microvolt = <2000000>;
regulator-max-microvolt = <2000000>;
regulator-always-on;
/*
* Broken in kernel 5.4
regulator-state-mem {
regulator-on-in-suspend;
};
*/
};
/*
* This regulator controls SDIO. Electrical datasheet says
* this regulator can be operated between 1.8 and 3.3 volts
*/
vccio_sd: REG5 {
regulator-name = "vccio_sd";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
/*
* Broken in kernel 5.4
regulator-state-mem {
regulator-on-in-suspend;
regulator-suspend-microvolt = <3300000>;
};
*/
};
/*
* Controlling HDMI and LCD controller on rk3288. 1.0 volts
* by reference
*/
vdd10_lcd: REG6 {
regulator-name = "vdd10_lcd";
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
regulator-always-on;
/*
* Broken in kernel 5.4
regulator-state-mem {
regulator-on-in-suspend;
};
*/
};
/*
* From the rk3288 electrical datasheet, this regulator powers
* the rk1000 chip, which is absent in our device, but it
* is also supplying bluetooth, so we enable it.
*/
vcca_18: REG7 {
regulator-name = "vcca_18";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
/*
The regulator can be set off in suspend, but kernel 5.4 modifications
to enable suspend for ACT8865 device break the ACT8846
regulator-state-mem {
regulator-off-in-suspend;
};
*/
};
/*
* This regulator controls, among other things, the SPDIF
* interface, so we enable it
*/
vcca_33: REG8 {
regulator-name = "vcca_33";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on; // Turn this on to get SPDIF!
/*
The regulator can be set off in suspend, but kernel 5.4 modifications
to enable suspend for ACT8865 device break the ACT8846
regulator-state-mem {
regulator-off-in-suspend;
};
*/
};
/*
* LAN regulator
*/
vcc_lan: REG9 {
regulator-name = "vcc_lan";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
/*
* Broken in kernel 5.4
regulator-state-mem {
regulator-on-in-suspend;
};
*/
};
/*
* Regulator controlling PMU, USB PHY and rk3288 PLLs.
* 1.0 volts by reference
*/
vdd_10: REG10 {
regulator-name = "vdd_10";
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
regulator-always-on;
/*
* Broken in kernel 5.4
regulator-state-mem {
regulator-on-in-suspend;
};
*/
};
/*
* Regulator controlling Wifi over SDIO, SARADC and USB PHY.
* Better turn this on
*/
vccio_wl: vcc_18: REG11 {
regulator-name = "vcc_18";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
/*
* Broken in kernel 5.4
regulator-state-mem {
regulator-on-in-suspend;
};
*/
};
/*
* Not clear: apparently this controls HDMI and LCD controller
* on rk3368 devices.
* 1.8 volts by reference
*/
vcc18_lcd: REG12 {
regulator-name = "vcc18_lcd";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
/*
The regulator can be set off in suspend, but kernel 5.4 modifications
to enable suspend for ACT8865 device break the ACT8846
regulator-state-mem {
regulator-off-in-suspend;
};
*/
};
};
};
};
&i2c1 {
status = "disabled";
};
&i2c2 {
status = "disabled";
};
&i2c4 {
/*
* Here should go the RK1000 audio codec parts, but seems that
* there is no driver in linux kernel at the moment, so we can't
* describe it.
* Also, most important, there is no RK1000 on our board :)
* Datasheet is available here:
* http://dl.radxa.com/rock/docs/hw/ds/RK1000-S%20DATASHEET%20V14.pdf
*/
status = "disabled";
};
&i2c5 {
status = "okay";
};
&pinctrl {
/*
These two lines here, these must be commented out! Otherwise for some reason the kernel
does not see the boot device anymore and will stay stuck in initramfs!
On the contrary, these are required by u-boot to keep the power holding so the device does not
automatically turns off after a small timeout
*/
/*pinctrl-names = "default";*/
/*pinctrl-0 = <&pwr_hold>;*/
pcfg_output_high: pcfg-output-high {
output-high;
};
pcfg_output_low: pcfg-output-low {
output-low;
};
pcfg_wl: pcfg-wl {
bias-pull-up;
drive-strength = <8>;
};
pcfg_pull_up_drv_8ma: pcfg-pull-up-drv-8ma {
bias-pull-up;
drive-strength = <8>;
};
pcfg_pull_none_8ma: pcfg-pull-none-8ma {
bias-disable;
drive-strength = <8>;
};
pcfg_wl_clk: pcfg-wl-clk {
bias-disable;
drive-strength = <12>;
};
pcfg_wl_int: pcfg-wl-int {
bias-pull-up;
};
act8846 {
/*
* Original q8 device tree says:
* - gpio0 11 HIGH -> power hold
* - gpio7 1 LOW -> possibly pmic-vsel, we don't care
*/
pmic_vsel: pmic-vsel {
rockchip,pins = <7 1 RK_FUNC_GPIO &pcfg_output_low>;
};
pwr_hold: pwr-hold {
rockchip,pins = <0 11 RK_FUNC_GPIO &pcfg_pull_up>;
};
};
gmac {
phy_int: phy-int {
rockchip,pins = <0 9 RK_FUNC_GPIO &pcfg_pull_up>;
};
phy_pmeb: phy-pmeb {
rockchip,pins = <0 8 RK_FUNC_GPIO &pcfg_pull_up>;
};
phy_rst: phy-rst {
rockchip,pins = <4 8 RK_FUNC_GPIO &pcfg_output_high>;
};
};
hym8563 {
rtc_int: rtc-int {
rockchip,pins = <0 4 RK_FUNC_GPIO &pcfg_pull_up>;
};
};
keys {
pwr_key: pwr-key {
rockchip,pins = <0 5 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
leds {
power_led: power-led {
rockchip,pins = <7 2 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
ir {
ir_int: ir-int {
rockchip,pins = <7 0 RK_FUNC_GPIO &pcfg_pull_up>;
};
};
sdmmc {
/*
* Copied from firefly board definition to give more drive to
* the sdmmc pins. The Q8 seems to be quite able to drive
* ultra high speed uSD cards, so we give a bit more energy
* to the gpio pins
*/
sdmmc_bus4: sdmmc-bus4 {
rockchip,pins = <6 16 1 &pcfg_pull_up_drv_8ma>,
<6 17 1 &pcfg_pull_up_drv_8ma>,
<6 18 1 &pcfg_pull_up_drv_8ma>,
<6 19 1 &pcfg_pull_up_drv_8ma>;
};
sdmmc_clk: sdmmc-clk {
rockchip,pins = <6 20 1 &pcfg_pull_none_8ma>;
};
sdmmc_cmd: sdmmc-cmd {
rockchip,pins = <6 21 1 &pcfg_pull_up_drv_8ma>;
};
sdmmc_pwr: sdmmc-pwr {
rockchip,pins = <7 11 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
usb_host1 {
host_vbus_drv: host-vbus-drv {
rockchip,pins = <0 14 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
usb_otg {
otg_vbus_drv: otg-vbus-drv {
rockchip,pins = <0 12 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
sdio0 {
wifi_enable_h: wifienable-h {
rockchip,pins = <4 28 RK_FUNC_GPIO &pcfg_pull_down>;
};
};
bluetooth {
uart0_rts_gpio: uart0-rts-gpio {
rockchip,pins = <4 19 RK_FUNC_GPIO &pcfg_pull_none>;
};
bt_enable_h: bt-enable-h {
rockchip,pins = <4 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>;
};
bt_reset_l: bt-reset-l {
rockchip,pins = <4 RK_PD5 RK_FUNC_GPIO &pcfg_pull_up>;
};
bt_wake_h: bt-wake-h {
rockchip,pins = <4 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>;
};
bt_host_wake_h: bt-host-wake-h {
rockchip,pins = <4 RK_PD7 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
emmc {
emmc_reset: emmc-reset {
rockchip,pins = <3 RK_PB1 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
};
&saradc {
vref-supply = <&vcc_18>;
status = "okay";
};
&emmc {
/*
* eMMC is a 52Mhz DDR device on q8 devices, so set it here.
* Setting default-sample-rate to 180 degrees is very important,
* otherwise the eMMC is not stable and may not be able to negotiate
* the right clock.
* Despite the code already seems to use 180 degree phase when
* MMC + 8bit bus is set, we need to set default phase here too.
*
* Huge hint came from this patch:
* https://patchwork.kernel.org/patch/11129183/
*
*/
broken-cd;
bus-width = <8>;
cap-mmc-highspeed;
disable-wp;
non-removable;
pinctrl-names = "default";
pinctrl-0 = <&emmc_clk>, <&emmc_cmd>, <&emmc_bus8>;
vmmc-supply = <&vcc_io>;
vqmmc-supply = <&vcc_flash>;
mmc-ddr-1_8v;
rockchip,default-sample-phase = <180>;
status = "okay";
};
&sdmmc {
supports-sd;
bus-width = <4>;
cap-mmc-highspeed;
cap-sd-highspeed;
cd-gpios = <&gpio6 RK_PC6 GPIO_ACTIVE_LOW>;
cd-debounce-delay-ms = <500>;
disable-wp;
pinctrl-names = "default";
pinctrl-0 = <&sdmmc_clk>, <&sdmmc_cmd>, <&sdmmc_cd>, <&sdmmc_bus4>;
vmmc-supply = <&vcc_sd>;
vqmmc-supply = <&vccio_sd>;
sd-uhs-sdr12;
sd-uhs-sdr25;
sd-uhs-sdr50;
sd-uhs-sdr104;
sd-uhs-ddr50;
status = "okay";
};
&sdio0 {
#address-cells = <1>;
#size-cells = <0>;
bus-width = <4>;
mmc-pwrseq = <&sdio0_pwrseq>;
vmmc-supply = <&vcc_io>;
vqmmc-supply = <&vcc_18>; // This must be the same as in io_domains,
// otherwise the mmc1 device won't be detected properly
pinctrl-names = "default";
pinctrl-0 = <&sdio0_bus4>, <&sdio0_cmd>, <&sdio0_clk>, <&sdio0_int>;
cap-sdio-irq;
no-mmc;
no-sd;
cap-sd-highspeed; // required, otherwise does not work!
supports-sdio;
non-removable;
keep-power-in-suspend;
disable-wp;
//sd-uhs-sdr50; // required to be enabled, otherwise the device gets
// detected, but there is no communication
status = "okay";
brcmf: bcrmf@1 {
reg = <1>;
compatible = "brcm,bcm4329-fmac";
interrupt-parent = <&gpio4>;
interrupts = <RK_PD6 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "host-wake";
status = "okay";
};
};
&spi0 {
pinctrl-names = "default";
pinctrl-0 = <&spi0_clk>, <&spi0_cs0>, <&spi0_tx>, <&spi0_rx>, <&spi0_cs1>;
status = "okay";
};
&tsadc {
rockchip,grf = <&grf>;
rockchip,hw-tshut-mode = <0>;
rockchip,hw-tshut-polarity = <0>;
status = "okay";
};
/*
* These dmas described here for uarts are present in original q8 board
* dts, so I replicate them here because documentation says that serial
* ports can have dmas.
* note:
* - uart0 is the serial port connected to the bluetooth module
* - uart2 is the onboard serial port
*
* As ok kernel 4.19 DMA for serial ports is disabled because it makes
* the ports unusable
*
*/
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_xfer>, <&uart0_rts>, <&uart0_cts>;
// dmas = <&dmac_peri 1 &dmac_peri 2>;
// dma-names = "tx", "rx";
status = "okay";
bluetooth {
compatible = "brcm,bcm4330-bt";
max-speed = <4000000>;
shutdown-gpios = <&gpio4 RK_PD3 GPIO_ACTIVE_HIGH>;
device-wakeup-gpios = <&gpio4 RK_PD2 GPIO_ACTIVE_HIGH>;
//interrupt-parent = <&gpio4>;
//interrupt-names = "host-wakeup";
//interrupts = <RK_PD7 IRQ_TYPE_EDGE_FALLING>;
clock-names = "lpo", "txco";
clocks = <&hym8563>, <&bt_xtal>;
vddio-supply = <&vcca_18>;
vbat-supply = <&vcca_18>;
pinctrl-names = "default";
pinctrl-0 = <&bt_enable_h>, <&bt_wake_h>, <&bt_host_wake_h>, <&bt_reset_l>;
brcm,bt-pcm-int-params = [01 02 00 01 01];
status = "okay";
};
};
&uart1 {
//dmas = <&dmac_peri 3 &dmac_peri 4>;
//dma-names = "tx", "rx";
status = "okay";
};
&uart2 {
//dmas = <&dmac_bus_s 4 &dmac_bus_s 5>;
//dma-names = "tx", "rx";
status = "okay";
};
&uart3 {
//dmas = <&dmac_peri 7 &dmac_peri 8>;
//dma-names = "tx", "rx";
status = "okay";
};
&uart4 {
//dmas = <&dmac_peri 9 &dmac_peri 10>;
//dma-names = "tx", "rx";
status = "disabled";
};
/*
* Here usbphy* should have their proper reset lines described in rk3288.dtsi
* Describing resets for usb phy is important because otherwise the USB
* port gets stuck in case it goes into autosuspend: plugging any device
* when the port is autosuspended will actually kill the port itself and
* require a power cycle.
* This is required for the usbphy1 phy, nonetheless it is a good idea to
* specify the proper resources for all the phys though.
* The reference patch which works in conjuction with the reset lines:
* https://patchwork.kernel.org/patch/9469811/
*
*/
&usbphy {
status = "okay";
};
&usb_host0_ehci {
reg = <0x0 0xff500000 0x0 0x20000>;
status = "disable";
};
&usb_host1 {
vbus-supply = <&vcc_host_5v>;
status = "okay";
};
&usb_otg {
vbus-supply = <&vcc_otg_5v>;
status = "okay";
};
/*
* Enable VPU services and complete the relative IOMMU configurations
*/
&vopb {
status = "okay";
};
&vopb_mmu {
status = "okay";
};
&vopl {
status = "okay";
};
&vopl_mmu {
status = "okay";
};
&vpu_mmu {
status = "okay";
};
&hevc {
status = "okay";
};
&hevc_mmu {
status = "okay";
};
&rga {
status = "okay";
};
&wdt {
status = "okay";
};
// i2s bus is present on q8 device, enable it
&i2s {
#sound-dai-cells = <0>;
status = "okay";
i2s_port: port {
i2s_ep: endpoint {
system-clock-direction-out;
frame-master;
bitclock-master;
mclk-fs = <512>;
dai-format = "i2s";
remote-endpoint = <&hdmi_ep>;
};
};
};
// spdif is present on q8 device, enable it
&spdif {
status = "okay";
spdif_port: port {
spdif_ep: endpoint {
remote-endpoint = <&spdif_out_ep>;
};
};
};
/*
* Redefine some thermals to give a bit more headroom (+5°C)
*/
&cpu_alert0 {
temperature = <75000>;
};
&cpu_alert1 {
temperature = <80000>;
};
&gpu_alert0 {
temperature = <75000>;
};
/*
* Retouch the operating points for higher frequencies to reduce
* the voltage required
*/
&cpu_opp_table {
opp-1512000000 {
opp-microvolt = <1250000>;
};
opp-1608000000 {
opp-microvolt = <1300000>;
};
/*
Remove the overclocking/turbo frequencies
*/
/delete-node/ opp@1704000000;
/delete-node/ opp@1800000000;
/delete-node/ opp@1896000000;
/delete-node/ opp@1920000000;
/delete-node/ opp@1992000000;
/delete-node/ opp@2016000000;
/delete-node/ opp@2040000000;
/delete-node/ opp@2064000000;
/delete-node/ opp@2088000000;
/delete-node/ opp@2112000000;
/delete-node/ opp@2136000000;
/delete-node/ opp@2160000000;
/delete-node/ opp@2184000000;
/delete-node/ opp@2208000000;
};
&gpu_opp_table {
opp-500000000 {
opp-hz = /bits/ 64 <500000000>;
opp-microvolt = <1150000>;
};
opp-600000000 {
status = "disabled";
};
};
&gpiomem {
status = "okay";
};
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