arm64: dts: rockchip: Add FriendlyElec NanoPi Zero2

The NanoPi Zero2 is a small single board computer developed by
FriendlyElec, based on the Rockchip RK3528A SoC.

Add initial device tree for the FriendlyElec NanoPi Zero2 board.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Tested-by: Yao Zi <ziyao@disroot.org>
Link: https://lore.kernel.org/r/20250717103720.2853031-7-jonas@kwiboo.se
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index 4ea9a68f97ef3cde6e361ec407f9e73cefac4523..9d56d4146b20b85d546f9aee01698f0ad9dbbcbf 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -90,6 +90,7 @@ 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-armsom-sige1.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-nanopi-zero2.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-radxa-e20c.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-rock-2a.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-rock-2f.dtb

diff --git a/arch/arm64/boot/dts/rockchip/rk3528-nanopi-zero2.dts b/arch/arm64/boot/dts/rockchip/rk3528-nanopi-zero2.dts
new file mode 100644 (file)
index 0000000..9f68303
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3528-nanopi-zero2.dts
@@ -0,0 +1,340 @@
+// 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"
+
+/ {
+       model = "FriendlyElec NanoPi Zero2";
+       compatible = "friendlyarm,nanopi-zero2", "rockchip,rk3528";
+
+       aliases {
+               ethernet0 = &gmac1;
+               i2c1 = &i2c1;
+               mmc0 = &sdhci;
+               mmc1 = &sdmmc;
+               serial0 = &uart0;
+       };
+
+       chosen {
+               stdout-path = "serial0:1500000n8";
+       };
+
+       adc-keys-0 {
+               compatible = "adc-keys";
+               io-channels = <&saradc 0>;
+               io-channel-names = "buttons";
+               keyup-threshold-microvolt = <1800000>;
+               poll-interval = <100>;
+
+               button-maskrom {
+                       label = "MASK";
+                       linux,code = <KEY_SETUP>;
+                       press-threshold-microvolt = <0>;
+               };
+       };
+
+       adc-keys-1 {
+               compatible = "adc-keys";
+               io-channels = <&saradc 1>;
+               io-channel-names = "buttons";
+               keyup-threshold-microvolt = <1800000>;
+               poll-interval = <100>;
+
+               button-recovery {
+                       label = "RECOVERY";
+                       linux,code = <KEY_VENDOR>;
+                       press-threshold-microvolt = <0>;
+               };
+       };
+
+       leds {
+               compatible = "gpio-leds";
+               pinctrl-names = "default";
+               pinctrl-0 = <&led1>, <&led_sys>;
+
+               led-0 {
+                       color = <LED_COLOR_ID_RED>;
+                       default-state = "on";
+                       function = LED_FUNCTION_HEARTBEAT;
+                       gpios = <&gpio4 RK_PB0 GPIO_ACTIVE_HIGH>;
+                       linux,default-trigger = "heartbeat";
+               };
+
+               led-1 {
+                       color = <LED_COLOR_ID_GREEN>;
+                       default-state = "on";
+                       function = LED_FUNCTION_STATUS;
+                       gpios = <&gpio4 RK_PB1 GPIO_ACTIVE_HIGH>;
+                       linux,default-trigger = "default-on";
+               };
+       };
+
+       vcc0v6_ddr: regulator-0v6-vcc-ddr {
+               compatible = "regulator-fixed";
+               regulator-name = "vcc0v6_ddr";
+               regulator-always-on;
+               regulator-boot-on;
+               regulator-min-microvolt = <600000>;
+               regulator-max-microvolt = <600000>;
+               vin-supply = <&vcc5v0_sys>;
+       };
+
+       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>;
+       };
+
+       vcc3v3_sd: regulator-3v3-vcc-sd {
+               compatible = "regulator-fixed";
+               gpios = <&gpio4 RK_PA1 GPIO_ACTIVE_LOW>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&sdmmc_pwren_l>;
+               regulator-name = "vcc3v3_sd";
+               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>;
+       };
+
+       usb2_host_5v: regulator-5v0-usb2-host {
+               compatible = "regulator-fixed";
+               enable-active-high;
+               gpios = <&gpio4 RK_PB5 GPIO_ACTIVE_HIGH>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&usb20_host1_pwren>;
+               regulator-name = "usb2_host_5v";
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+               vin-supply = <&vcc5v0_sys>;
+       };
+
+       vccio_sd: regulator-vccio-sd {
+               compatible = "regulator-gpio";
+               gpios = <&gpio4 RK_PB6 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>;
+       };
+};
+
+&cpu0 {
+       cpu-supply = <&vdd_arm>;
+};
+
+&cpu1 {
+       cpu-supply = <&vdd_arm>;
+};
+
+&cpu2 {
+       cpu-supply = <&vdd_arm>;
+};
+
+&cpu3 {
+       cpu-supply = <&vdd_arm>;
+};
+
+&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";
+};
+
+&gpu {
+       mali-supply = <&vdd_logic>;
+       status = "okay";
+};
+
+&i2c1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&i2c1m0_xfer>;
+       status = "okay";
+
+       hym8563: rtc@51 {
+               compatible = "haoyu,hym8563";
+               reg = <0x51>;
+               #clock-cells = <0>;
+               interrupt-parent = <&gpio4>;
+               interrupts = <RK_PC1 IRQ_TYPE_LEVEL_LOW>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&rtc_int_l>;
+               wakeup-source;
+       };
+};
+
+&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 {
+               led1: led1 {
+                       rockchip,pins = <4 RK_PB1 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+
+               led_sys: led-sys {
+                       rockchip,pins = <4 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+       };
+
+       rtc {
+               rtc_int_l: rtc-int-l {
+                       rockchip,pins = <4 RK_PC1 RK_FUNC_GPIO &pcfg_pull_up>;
+               };
+       };
+
+       sdmmc {
+               sdmmc_vol_ctrl_h: sdmmc-vol-ctrl-h {
+                       rockchip,pins = <4 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+
+               sdmmc_pwren_l: sdmmc-pwren-l {
+                       rockchip,pins = <4 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+       };
+
+       usb {
+               usb20_host1_pwren: usb20-host1-pwren {
+                       rockchip,pins = <4 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+       };
+};
+
+&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 = <&vcc3v3_sd>;
+       vqmmc-supply = <&vccio_sd>;
+       status = "okay";
+};
+
+&uart0 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&uart0m0_xfer>;
+       status = "okay";
+};