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build/patch/kernel/archive/rockchip-4.4/xt-q8l-v10-add-device-tree.patch

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添加构建Allwinner H616四核2GB RAM SoC WiFi（蓝莓）
2023-09-19 11:24:52 +08:00
diff --git a/arch/arm/boot/dts/rk3288-xt-q8l-v10.dts b/arch/arm/boot/dts/rk3288-xt-q8l-v10.dts
new file mode 100644
index 00000000..42c18901
--- /dev/null
+++ b/arch/arm/boot/dts/rk3288-xt-q8l-v10.dts
@@ -0,0 +1,1125 @@
+/*
+ * 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/input/input.h>
+
+/ {
+
+ model = "XT-Q8L-V10-RK3288";
+ compatible = "generic,xt-q8l-v10-rk3288", "rockchip,rk3288";
+
+ memory {
+ reg = <0x0 0x0 0x0 0x80000000>;
+ };
+
+ /*
+ * 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";
+ };
+
+ 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>;
+ };
+
+ };
+
+ rk3288-gpiomem {
+ compatible = "rockchip,rk3288-gpiomem";
+ reg = <0x0 0xff750000 0x0 0x1000>;
+ status = "okay";
+ };
+
+ 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>;
+ };
+
+ };
+
+ /*
+ * Legacy platform data for wireless-wlan.
+ * This is used in case rockchip_wlan is in use,
+ * but we prefer the native brcmfmac driver.
+ * Taken from original q8 firmware device tree
+ */
+ /*
+ wireless-wlan {
+ compatible = "wlan-platdata";
+ wifi_chip_type = "bcmwifi";
+ rockchip,grf = <&grf>;
+ sdio_vref = <1800>;
+ WIFI,poweren_gpio = <&gpio4 28 GPIO_ACTIVE_HIGH>;
+ WIFI,host_wake_irq = <&gpio4 30 GPIO_ACTIVE_HIGH>;
+ status = "okay";
+ };
+ */
+
+ /*
+ * Legacy platform data for wireless-bluetooth.
+ * Is this still used or required?
+ * Taken from original q8 firmware device tree
+ */
+ wireless-bluetooth {
+ compatible = "bluetooth-platdata";
+ uart_rts_gpios = <&gpio4 19 GPIO_ACTIVE_LOW>;
+ /*
+ * Disabled because clashes with serial.ff180000
+ pinctrl-names = "default","rts_gpio";
+ pinctrl-0 = <&uart0_rts>;
+ pinctrl-1 = <&uart0_gpios>;
+ */
+ BT,power_gpio = <&gpio4 27 GPIO_ACTIVE_HIGH>;
+ BT,reset_gpio = <&gpio4 29 GPIO_ACTIVE_HIGH>;
+ BT,wake_gpio = <&gpio4 26 GPIO_ACTIVE_HIGH>;
+ BT,wake_host_irq = <&gpio4 31 GPIO_ACTIVE_HIGH>;
+ status = "okay";
+ };
+
+ 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>;
+ vin-supply = <&vcc_io>;
+ };
+
+ vcc_host_5v: usb-host-regulator {
+ compatible = "regulator-fixed";
+ gpio = <&gpio0 14 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&host_vbus_drv>;
+ regulator-name = "vcc_host_5v";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-always-on;
+ enable-active-high;
+ vin-supply = <&vcc_sys>;
+ };
+
+
+ vcc_otg_5v: usb-otg-regulator {
+ compatible = "regulator-fixed";
+ enable-active-high;
+ gpio = <&gpio0 12 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&otg_vbus_drv>;
+ regulator-name = "vcc_otg_5v";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-always-on;
+ 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>, <&bt_enable_h>;
+ reset-gpios = <&gpio4 28 GPIO_ACTIVE_LOW>, <&gpio4 29 GPIO_ACTIVE_LOW>;
+ post-power-on-delay-ms = <100>;
+ };
+
+ /*
+ * Sound taken from tinkerboard device tree, adapted to q8.
+ * Should be updated to include at least spdif controller, but the
+ * original device tree is missing some important infos.
+ */
+ soundcard-hdmi {
+ compatible = "simple-audio-card";
+ simple-audio-card,format = "i2s";
+ simple-audio-card,name = "DW-I2S-HDMI";
+ simple-audio-card,mclk-fs = <512>;
+
+ simple-audio-card,codec {
+ sound-dai = <&hdmi>;
+ };
+
+ simple-audio-card,cpu {
+ sound-dai = <&i2s>;
+ };
+ };
+
+ soundcard-spdif {
+ compatible = "simple-audio-card";
+ simple-audio-card,name = "SPDIF";
+ simple-audio-card,dai-link@1 {
+
+ cpu {
+ sound-dai = <&spdif>;
+ };
+
+ codec {
+ sound-dai = <&spdif_out>;
+ };
+
+ };
+ };
+
+ spdif_out: spdif-out {
+ compatible = "linux,spdif-dit";
+ #sound-dai-cells = <0>;
+ };
+
+};
+
+/* q8 device tree specifies that pwm0 is enabled on the device and
+ * this is the device which listens for IR remote control. We redefine
+ * it here.
+ */
+&pwm0 {
+
+ compatible = "rockchip,remotectl-pwm";
+ reg = <0x0 0xff680000 0x0 0x10>;
+ #pwm-cells = <0x3>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm0_pin>;
+ status = "okay";
+ interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
+ remote_pwm_id = <0x0>;
+ handle_cpu_id = <0x1>;
+ remote_support_psci = <0x0>;
+
+ ir_key1 {
+ rockchip,usercode = <0x1dcc>;
+ rockchip,key_table =
+ <0xff KEY_POWER>,
+ <0xea KEY_PLAYPAUSE>,
+ <0xe9 KEY_STOP>,
+ <0xf9 KEY_PREVIOUSSONG>,
+ <0xf5 KEY_NEXTSONG>,
+ <0xbe KEY_1>,
+ <0xba KEY_2>,
+ <0xb2 KEY_3>,
+ <0xbd KEY_4>,
+ <0xb9 KEY_5>,
+ <0xb1 KEY_6>,
+ <0xbc KEY_7>,
+ <0xb8 KEY_8>,
+ <0xb0 KEY_9>,
+ <0xb6 KEY_0>,
+ <0xb5 KEY_BACKSPACE>,
+ <0xb7 KEY_F6>,
+ <0xfc KEY_HOME>,
+ <0xf0 KEY_BACK>,
+ <0xbf KEY_MENU>,
+ <0xb3 KEY_TEXT>,
+ <0xef KEY_LEFT>,
+ <0xed KEY_RIGHT>,
+ <0xbb KEY_DOWN>,
+ <0xf8 KEY_UP>,
+ <0xee KEY_ENTER>,
+ <0xfd KEY_VOLUMEDOWN>,
+ <0xf3 KEY_MUTE>,
+ <0xf1 KEY_VOLUMEUP>,
+ <0xfe KEY_F1>,
+ <0xfa KEY_F2>,
+ <0xf6 KEY_F3>,
+ <0xf2 KEY_F4>;
+ };
+
+};
+
+&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 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ #sound-dai-cells = <0>;
+ /*
+ * Delete pinctrl-names and pinctrl-* to avoid the configurations
+ * which clashes with i2c.ff170000 (i2c5) which houses also the HDMI
+ * ddc display configuration. They clash because hdmi_ddc uses FUNC2,
+ * hdmi_gpio (the "sleep" configuration, see rk3288.dtsi) uses FUNC1
+ * and i2c5 xfer pin group uses FUNC_GPIO
+ */
+ /delete-property/pinctrl-names;
+ /delete-property/pinctrl-0;
+ /delete-property/pinctrl-1;
+
+ ddc-i2c-bus = <&i2c5>;
+ rockchip,phy-table =
+ <74250000 0x8009 0x0004 0x0272>,
+ <165000000 0x802b 0x0004 0x0209>,
+ <371250000 0x802d 0x0001 0x0149>,
+ <0 0x0000 0x0000 0x0000>;
+ status = "okay";
+ /* Don't use vopl for HDMI */
+ ports {
+ hdmi_in: port {
+ /delete-node/ endpoint@1;
+ };
+ };
+};
+
+&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>;
+ };
+
+ 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>;
+ };
+
+ 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>;
+
+ 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;
+ };
+
+ /*
+ * 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;
+ };
+
+ /*
+ * 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;
+ };
+
+ /*
+ * 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;
+ };
+
+ /*
+ * 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;
+ };
+
+ /*
+ * 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;
+ };
+
+ /*
+ * 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;
+ };
+
+ /*
+ * 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!
+ };
+
+ /*
+ * LAN regulator
+ */
+ vcc_lan: REG9 {
+ regulator-name = "vcc_lan";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ /*
+ * 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;
+ };
+
+ /*
+ * 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;
+ };
+
+ /*
+ * 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;
+ };
+ };
+ };
+};
+
+&i2c1 {
+ status = "disabled";
+
+ /*
+ * Apparently the original q8 device tree described an RTC controller
+ * at this point. Probing the i2c bus at this point does not provide
+ * any chip, so we comment it
+ */
+ /*
+ pcf8563: pcf8563@51 {
+ compatible = "nxp,pcf8563";
+ reg = <0x51>;
+ };
+ */
+
+ /*
+ * Firefly board and EVB board have an accelerometer on this bus.
+ * I don't know if we got something on our tv box, but I guess not
+ */
+
+};
+
+&i2c2 {
+ status = "disabled";
+};
+
+&i2c4 {
+
+ status = "disabled";
+
+ /*
+ rk1000_ctl: rk1000-ctl@40 {
+ compatible = "rockchip,rk1000-ctl";
+ reg = <0x40>;
+ reset-gpios = <&gpio7 21 GPIO_ACTIVE_LOW>;
+ clocks = <&cru SCLK_I2S0_OUT>;
+ clock-names = "mclk";
+ status = "okay";
+ };
+
+ rk1000-tve@42 {
+ status = "okay";
+ compatible = "rockchip,rk1000-tve";
+ reg = <0x42>;
+ rockchip,data-width = <24>;
+ rockchip,output = "rgb";
+ rockchip,ctl = <&rk1000_ctl>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ rk1000_codec: rk1000-codec@60 {
+ compatible = "rockchip,rk1000-codec";
+ reg = <0x60>;
+ #sound-dai-cells = <0>;
+ rockchip,spk-en-gpios = <&gpio7 5 GPIO_ACTIVE_LOW>;
+ rockchip,pa-en-time-ms = <5000>;
+ rockchip,ctl = <&rk1000_ctl>;
+ status = "okay";
+ };
+ */
+
+};
+
+&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 RK_FUNC_1 &pcfg_pull_up_drv_8ma>,
+ <6 17 RK_FUNC_1 &pcfg_pull_up_drv_8ma>,
+ <6 18 RK_FUNC_1 &pcfg_pull_up_drv_8ma>,
+ <6 19 RK_FUNC_1 &pcfg_pull_up_drv_8ma>;
+ };
+
+ sdmmc_clk: sdmmc-clk {
+ rockchip,pins = <6 20 RK_FUNC_1 &pcfg_pull_none_8ma>;
+ };
+
+ sdmmc_cmd: sdmmc-cmd {
+ rockchip,pins = <6 21 RK_FUNC_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_output_high>;
+ };
+
+ bt_enable_h: bt-enable-h {
+ rockchip,pins = <4 27 RK_FUNC_GPIO &pcfg_output_high>;
+ };
+
+ };
+
+
+ wireless-bluetooth {
+ uart0_gpios: uart0-gpios {
+ rockchip,pins = <4 19 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 {
+
+ /*
+ * Coming from the original q8 device tree
+ */
+ 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
+
+// clock-frequency = <50000000>;
+// max-frequency = <50000000>;
+
+ 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;
+
+ status = "okay";
+
+ brcmf: bcrmf@1 {
+
+ reg = <1>;
+ compatible = "brcm,bcm4329-fmac";
+ interrupt-parent = <&gpio4>;
+ interrupts = <30 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-names = "host-wake";
+ status = "okay";
+ };
+
+ //sd-uhs-sdr104; // required to be disabled, otherwise the device get
+ // detected, but there is no communication
+
+};
+
+&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
+ *
+ */
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_xfer>, <&uart0_cts>, <&uart0_rts>;
+ dmas = <&dmac_peri 1 &dmac_peri 2>;
+ dma-names = "tx", "rx";
+ status = "okay";
+// uart-has-rtscts;
+};
+
+&uart1 {
+ dmas = <&dmac_peri 3 &dmac_peri 4>;
+ dma-names = "tx", "rx";
+ status = "okay";
+};
+
+&uart2 {
+ /*
+ * Has some issues with DMA controller, causing frequent resets. We
+ * Disable the dma for this
+ 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";
+};
+
+/*
+ * 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";
+};
+
+&usbphy0 {
+ vbus-drv = <&vcc_otg_5v>;
+ vbus_drv-gpio = <&gpio0 12 GPIO_ACTIVE_HIGH>;
+};
+
+&usbphy1 {
+ resets = <&cru SRST_USBHOST0_PHY>;
+ reset-names = "phy-reset";
+};
+
+&usbphy2 {
+ vbus-drv = <&vcc_host_5v>;
+ vbus_drv-gpio = <&gpio0 14 GPIO_ACTIVE_HIGH>;
+};
+
+&usb_host0_ehci {
+ status = "disabled";
+};
+
+/*
+ * Prevents the kernel moaning about the missing regulators
+ */
+&usb_host1 {
+ vusb_d-supply = <&vcc_host_5v>;
+ vusb_a-supply = <&vcc_host_5v>;
+ status = "okay";
+};
+
+/*
+ * Prevents the kernel moaning about the missing regulators
+ */
+&usb_otg {
+ dr_mode = "host";
+ vusb_d-supply = <&vcc_otg_5v>;
+ vusb_a-supply = <&vcc_otg_5v>;
+ status = "okay";
+};
+
+&vopb {
+ status = "okay";
+};
+
+&vopb_mmu {
+ status = "okay";
+};
+
+&vopl {
+ status = "okay";
+ /* Don't use vopl for HDMI */
+ vopl_out: port {
+ /delete-node/ endpoint@0;
+ };
+};
+
+&vopl_mmu {
+ status = "okay";
+};
+
+&vpu_mmu {
+ status = "okay";
+};
+
+&vpu_service {
+ status = "okay";
+};
+
+&hevc_mmu {
+ status = "okay";
+};
+
+&hevc_service {
+ status = "okay";
+};
+
+
+&wdt {
+ status = "okay";
+};
+
+// i2s bus is present on q8 device, enable it
+&i2s {
+ #sound-dai-cells = <0>;
+ status = "okay";
+};
+
+// spdif is present on q8 device, enable it
+&spdif {
+ status = "okay";
+};
+
+/*
+ * As of legacy kernel 4.4.126, rk3288.dtsi include misses PLL_CPLL clock
+ * definition. This causes a lot of troubles, including garbled serial
+ * and HDMI output due to wrong clock.
+ * Defining the cru node again with right setting here fixes the problem.
+ * We also define the PLL_CPLL to 408 Mhz instead of common 400 Mhz to
+ * avoid kernel warning about fractional divisors (didn't investigate too
+ * much, but uart0 was complaining about)
+ */
+/*
+&cru {
+ assigned-clocks = <&cru PLL_GPLL>, <&cru PLL_CPLL>,
+ <&cru PLL_NPLL>, <&cru ACLK_CPU>,
+ <&cru HCLK_CPU>, <&cru PCLK_CPU>,
+ <&cru ACLK_PERI>, <&cru HCLK_PERI>,
+ <&cru PCLK_PERI>;
+ assigned-clock-rates = <594000000>, <408000000>,
+ <500000000>, <300000000>,
+ <150000000>, <75000000>,
+ <300000000>, <150000000>,
+ <75000000>;
+};
+*/
+
+&gpu_opp_table {
+ opp-600000000 {
+ opp-hz = /bits/ 64 <600000000>;
+ opp-microvolt = <1250000>;
+ };
+};
+
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