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Message-ID: <20250708224921.2254116-3-jonas@kwiboo.se>
Date: Tue, 8 Jul 2025 22:48:52 +0000
From: Jonas Karlman <jonas@...boo.se>
To: Heiko Stuebner <heiko@...ech.de>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>
Cc: Yao Zi <ziyao@...root.org>,
Chukun Pan <amadeus@....edu.cn>,
linux-rockchip@...ts.infradead.org,
devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org,
Jonas Karlman <jonas@...boo.se>
Subject: [PATCH 2/6] arm64: dts: rockchip: Add Radxa ROCK 2A/2F
The ROCK 2A and ROCK 2F is a high-performance single board computer
developed by Radxa, based on the Rockchip RK3528A SoC.
Add initial device tree for the Radxa ROCK 2A and ROCK 2F boards.
Signed-off-by: Jonas Karlman <jonas@...boo.se>
---
Schematics:
- https://dl.radxa.com/rock2/2a/v1.2/radxa_rock_2a_v1.2_schematic.pdf
- https://dl.radxa.com/rock2/2f/radxa_rock2f_v1.01_schematic.pdf
---
arch/arm64/boot/dts/rockchip/Makefile | 2 +
.../boot/dts/rockchip/rk3528-rock-2.dtsi | 292 ++++++++++++++++++
.../boot/dts/rockchip/rk3528-rock-2a.dts | 82 +++++
.../boot/dts/rockchip/rk3528-rock-2f.dts | 10 +
4 files changed, 386 insertions(+)
create mode 100644 arch/arm64/boot/dts/rockchip/rk3528-rock-2.dtsi
create mode 100644 arch/arm64/boot/dts/rockchip/rk3528-rock-2a.dts
create mode 100644 arch/arm64/boot/dts/rockchip/rk3528-rock-2f.dts
diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index e43565c53c56..d0d21f5029ea 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -90,6 +90,8 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-sapphire.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-sapphire-excavator.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399pro-rock-pi-n10.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-radxa-e20c.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-rock-2a.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-rock-2f.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3562-evb2-v10.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-anbernic-rg-arc-d.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-anbernic-rg-arc-s.dtb
diff --git a/arch/arm64/boot/dts/rockchip/rk3528-rock-2.dtsi b/arch/arm64/boot/dts/rockchip/rk3528-rock-2.dtsi
new file mode 100644
index 000000000000..fc23c51836b1
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3528-rock-2.dtsi
@@ -0,0 +1,292 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+/dts-v1/;
+
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/pwm/pwm.h>
+#include "rk3528.dtsi"
+
+/ {
+ aliases {
+ i2c1 = &i2c1;
+ mmc0 = &sdhci;
+ mmc1 = &sdmmc;
+ serial0 = &uart0;
+ };
+
+ chosen {
+ stdout-path = "serial0:1500000n8";
+ };
+
+ adc-keys {
+ compatible = "adc-keys";
+ io-channels = <&saradc 0>;
+ io-channel-names = "buttons";
+ keyup-threshold-microvolt = <1800000>;
+ poll-interval = <100>;
+
+ button-maskrom {
+ label = "MASKROM";
+ linux,code = <KEY_SETUP>;
+ press-threshold-microvolt = <0>;
+ };
+ };
+
+ leds: leds {
+ compatible = "gpio-leds";
+ pinctrl-names = "default";
+ pinctrl-0 = <&state_led_b>;
+
+ led-state {
+ color = <LED_COLOR_ID_BLUE>;
+ default-state = "on";
+ function = LED_FUNCTION_HEARTBEAT;
+ gpios = <&gpio1 RK_PA3 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "heartbeat";
+ };
+ };
+
+ vdd_0v9: regulator-0v9-vdd {
+ compatible = "regulator-fixed";
+ regulator-name = "vdd_0v9";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <900000>;
+ regulator-max-microvolt = <900000>;
+ vin-supply = <&vcc5v0_sys>;
+ };
+
+ vcc_ddr: regulator-1v1-vcc-ddr {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc_ddr";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1100000>;
+ regulator-max-microvolt = <1100000>;
+ vin-supply = <&vcc5v0_sys>;
+ };
+
+ vcc_1v8: regulator-1v8-vcc {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc_1v8";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ vin-supply = <&vcc_3v3>;
+ };
+
+ vcc_3v3: regulator-3v3-vcc {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc_3v3";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&vcc5v0_sys>;
+ };
+
+ vcc_wifi: regulator-3v3-vcc-wifi {
+ compatible = "regulator-fixed";
+ enable-active-high;
+ gpios = <&gpio4 RK_PA4 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&usb_wifi_pwr>;
+ regulator-name = "vcc_wifi";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&vcc_3v3>;
+ };
+
+ vcc5v0_sys: regulator-5v0-vcc-sys {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc5v0_sys";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ };
+
+ vcc5v0_usb20: regulator-5v0-vcc-usb20 {
+ compatible = "regulator-fixed";
+ enable-active-high;
+ gpios = <&gpio0 RK_PA1 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&usb_host_en>;
+ regulator-name = "vcc5v0_usb20";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ vin-supply = <&vcc5v0_sys>;
+ };
+
+ vccio_sd: regulator-vccio-sd {
+ compatible = "regulator-gpio";
+ gpios = <&gpio1 RK_PC1 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdmmc_vol_ctrl_h>;
+ regulator-name = "vccio_sd";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ states = <1800000 0x0>, <3300000 0x1>;
+ vin-supply = <&vcc5v0_sys>;
+ };
+
+ vdd_arm: regulator-vdd-arm {
+ compatible = "pwm-regulator";
+ pwms = <&pwm1 0 5000 PWM_POLARITY_INVERTED>;
+ pwm-supply = <&vcc5v0_sys>;
+ regulator-name = "vdd_arm";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <746000>;
+ regulator-max-microvolt = <1201000>;
+ regulator-settling-time-up-us = <250>;
+ };
+
+ vdd_logic: regulator-vdd-logic {
+ compatible = "pwm-regulator";
+ pwms = <&pwm2 0 5000 PWM_POLARITY_INVERTED>;
+ pwm-supply = <&vcc5v0_sys>;
+ regulator-name = "vdd_logic";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <705000>;
+ regulator-max-microvolt = <1006000>;
+ regulator-settling-time-up-us = <250>;
+ };
+
+ rfkill {
+ compatible = "rfkill-gpio";
+ label = "rfkill-wlan";
+ pinctrl-names = "default";
+ pinctrl-0 = <&wifi_reg_on_h>;
+ radio-type = "wlan";
+ shutdown-gpios = <&gpio1 RK_PA6 GPIO_ACTIVE_HIGH>;
+ };
+};
+
+&cpu0 {
+ cpu-supply = <&vdd_arm>;
+};
+
+&cpu1 {
+ cpu-supply = <&vdd_arm>;
+};
+
+&cpu2 {
+ cpu-supply = <&vdd_arm>;
+};
+
+&cpu3 {
+ cpu-supply = <&vdd_arm>;
+};
+
+&gpu {
+ mali-supply = <&vdd_logic>;
+ status = "okay";
+};
+
+&i2c1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c1m0_xfer>;
+ status = "okay";
+
+ eeprom@50 {
+ compatible = "belling,bl24c16a", "atmel,24c16";
+ reg = <0x50>;
+ pagesize = <16>;
+ read-only;
+ vcc-supply = <&vcc_3v3>;
+ };
+};
+
+&pinctrl {
+ bluetooth {
+ bt_wake_host_h: bt-wake-host-h {
+ rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_down>;
+ };
+
+ host_wake_bt_h: host-wake-bt-h {
+ rockchip,pins = <1 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
+ leds {
+ state_led_b: state-led-b {
+ rockchip,pins = <1 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
+ sdmmc {
+ sdmmc_vol_ctrl_h: sdmmc-vol-ctrl-h {
+ rockchip,pins = <1 RK_PC1 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
+ usb {
+ usb_host_en: usb-host-en {
+ rockchip,pins = <0 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
+ wifi {
+ usb_wifi_pwr: usb-wifi-pwr {
+ rockchip,pins = <4 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ wifi_reg_on_h: wifi-reg-on-h {
+ rockchip,pins = <1 RK_PA6 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ wifi_wake_host_h: wifi-wake-host-h {
+ rockchip,pins = <1 RK_PA7 RK_FUNC_GPIO &pcfg_pull_down>;
+ };
+ };
+};
+
+&pwm1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm1m0_pins>;
+ status = "okay";
+};
+
+&pwm2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm2m0_pins>;
+ status = "okay";
+};
+
+&saradc {
+ vref-supply = <&vcc_1v8>;
+ status = "okay";
+};
+
+&sdhci {
+ bus-width = <8>;
+ cap-mmc-highspeed;
+ mmc-hs200-1_8v;
+ no-sd;
+ no-sdio;
+ non-removable;
+ vmmc-supply = <&vcc_3v3>;
+ vqmmc-supply = <&vcc_1v8>;
+ status = "okay";
+};
+
+&sdmmc {
+ bus-width = <4>;
+ cap-mmc-highspeed;
+ cap-sd-highspeed;
+ disable-wp;
+ sd-uhs-sdr104;
+ vmmc-supply = <&vcc_3v3>;
+ vqmmc-supply = <&vccio_sd>;
+ status = "okay";
+};
+
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0m0_xfer>;
+ status = "okay";
+};
diff --git a/arch/arm64/boot/dts/rockchip/rk3528-rock-2a.dts b/arch/arm64/boot/dts/rockchip/rk3528-rock-2a.dts
new file mode 100644
index 000000000000..c6f4d9b683d8
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3528-rock-2a.dts
@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+/dts-v1/;
+
+#include "rk3528-rock-2.dtsi"
+
+/ {
+ model = "Radxa ROCK 2A";
+ compatible = "radxa,rock-2a", "rockchip,rk3528";
+
+ aliases {
+ ethernet0 = &gmac1;
+ };
+
+ vcc5v0_usb30_otg: regulator-5v0-vcc-usb30-otg {
+ compatible = "regulator-fixed";
+ enable-active-high;
+ gpios = <&gpio1 RK_PC3 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&usb_otg_en>;
+ regulator-name = "vcc5v0_usb30_otg";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ vin-supply = <&vcc5v0_sys>;
+ };
+};
+
+&gmac1 {
+ clock_in_out = "output";
+ phy-handle = <&rgmii_phy>;
+ phy-mode = "rgmii-id";
+ phy-supply = <&vcc_3v3>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&rgmii_miim>, <&rgmii_tx_bus2>, <&rgmii_rx_bus2>,
+ <&rgmii_rgmii_clk>, <&rgmii_rgmii_bus>;
+ status = "okay";
+};
+
+&leds {
+ pinctrl-names = "default";
+ pinctrl-0 = <&state_led_b>, <&sys_led_g>;
+
+ led-sys {
+ color = <LED_COLOR_ID_GREEN>;
+ default-state = "on";
+ function = LED_FUNCTION_STATUS;
+ gpios = <&gpio3 RK_PC1 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "default-on";
+ };
+};
+
+&mdio1 {
+ rgmii_phy: ethernet-phy@1 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <0x1>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&gmac1_rstn_l>;
+ reset-assert-us = <20000>;
+ reset-deassert-us = <100000>;
+ reset-gpios = <&gpio4 RK_PC2 GPIO_ACTIVE_LOW>;
+ };
+};
+
+&pinctrl {
+ ethernet {
+ gmac1_rstn_l: gmac1-rstn-l {
+ rockchip,pins = <4 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
+ leds {
+ sys_led_g: sys-led-g {
+ rockchip,pins = <3 RK_PC1 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
+ usb {
+ usb_otg_en: usb-otg-en {
+ rockchip,pins = <1 RK_PC3 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/rockchip/rk3528-rock-2f.dts b/arch/arm64/boot/dts/rockchip/rk3528-rock-2f.dts
new file mode 100644
index 000000000000..3e2b9b685cb2
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3528-rock-2f.dts
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+/dts-v1/;
+
+#include "rk3528-rock-2.dtsi"
+
+/ {
+ model = "Radxa ROCK 2F";
+ compatible = "radxa,rock-2f", "rockchip,rk3528";
+};
--
2.49.0
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