Radxa ROCK S0 is a single-board computer based on the Rockchip RK3308B
SoC in an ultra-compact form factor.
Add initial support for eMMC, SD-card, Ethernet, WiFi/BT and USB.
Signed-off-by: Jonas Karlman <jonas@xxxxxxxxx>
---
arch/arm64/boot/dts/rockchip/Makefile | 1 +
.../boot/dts/rockchip/rk3308-rock-s0.dts | 293 ++++++++++++++++++
2 files changed, 294 insertions(+)
create mode 100644 arch/arm64/boot/dts/rockchip/rk3308-rock-s0.dts
diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index 1a4b154121fa..22f7ba98175b 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -7,6 +7,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += px30-ringneck-haikou.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3308-evb.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3308-roc-cc.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3308-rock-pi-s.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3308-rock-s0.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3318-a95x-z2.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3326-anbernic-rg351m.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3326-anbernic-rg351v.dtb
diff --git a/arch/arm64/boot/dts/rockchip/rk3308-rock-s0.dts b/arch/arm64/boot/dts/rockchip/rk3308-rock-s0.dts
new file mode 100644
index 000000000000..bd6419a5c20a
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3308-rock-s0.dts
@@ -0,0 +1,293 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+/dts-v1/;
+
+#include <dt-bindings/leds/common.h>
+#include "rk3308.dtsi"
+
+/ {
+ model = "Radxa ROCK S0";
+ compatible = "radxa,rock-s0", "rockchip,rk3308";
+
+ aliases {
+ ethernet0 = &gmac;
+ mmc0 = &emmc;
+ mmc1 = &sdmmc;
+ mmc2 = &sdio;
+ };
+
+ chosen {
+ stdout-path = "serial0:1500000n8";
+ };
+
+ leds {
+ compatible = "gpio-leds";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwr_led>;
+
+ led-green {
+ color = <LED_COLOR_ID_GREEN>;
+ default-state = "on";
+ function = LED_FUNCTION_HEARTBEAT;
+ gpios = <&gpio0 RK_PB6 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "heartbeat";
+ };
+ };
+
+ vdd_log: regulator-1v04-vdd-log {
+ compatible = "regulator-fixed";
+ regulator-name = "vdd_log";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1040000>;
+ regulator-max-microvolt = <1040000>;
+ vin-supply = <&vcc5v0_sys>;
+ };
+
+ vcc_ddr: regulator-1v5-vcc-ddr {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc_ddr";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <1500000>;
+ 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_io>;
+ };
+
+ vcc_io: regulator-3v3-vcc-io {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc_io";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&vcc5v0_sys>;
+ };
+
+ 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>;
+ };
+
+ vdd_core: regulator-vdd-core {
+ compatible = "pwm-regulator";
+ pwms = <&pwm0 0 5000 1>;
+ pwm-supply = <&vcc5v0_sys>;
+ regulator-name = "vdd_core";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <827000>;
+ regulator-max-microvolt = <1340000>;
+ regulator-settling-time-up-us = <250>;
+ };
+
+ sdio_pwrseq: sdio-pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ pinctrl-names = "default";
+ pinctrl-0 = <&wifi_reg_on>;
+ reset-gpios = <&gpio0 RK_PA2 GPIO_ACTIVE_LOW>;
+ };
+};
+
+&cpu0 {
+ cpu-supply = <&vdd_core>;
+};
+
+&emmc {
+ cap-mmc-highspeed;
+ no-sd;
+ no-sdio;
+ non-removable;
+ pinctrl-names = "default";
+ pinctrl-0 = <&emmc_bus8 &emmc_clk &emmc_cmd &emmc_pwren>;
+ vmmc-supply = <&vcc_io>;
+ status = "okay";
+};
+
+&gmac {
+ clock_in_out = "output";
+ phy-handle = <&rtl8201f>;
+ phy-supply = <&vcc_io>;
+ status = "okay";
+
+ mdio {
+ compatible = "snps,dwmac-mdio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ rtl8201f: ethernet-phy@1 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <1>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&mac_rst>;
+ reset-assert-us = <20000>;
+ reset-deassert-us = <50000>;
+ reset-gpios = <&gpio0 RK_PA7 GPIO_ACTIVE_LOW>;
+ };
+ };
+};
+
+&io_domains {
+ vccio0-supply = <&vcc_io>;
+ vccio1-supply = <&vcc_io>;
+ vccio2-supply = <&vcc_io>;
+ vccio3-supply = <&vcc_io>;
+ vccio4-supply = <&vcc_1v8>;
+ vccio5-supply = <&vcc_io>;
+ status = "okay";
+};
+
+&pinctrl {
+ pinctrl-names = "default";
+ pinctrl-0 = <&rtc_32k>;
+
+ bluetooth {
+ bt_reg_on: bt-reg-on {
+ rockchip,pins = <4 RK_PB3 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ bt_wake_host: bt-wake-host {
+ rockchip,pins = <4 RK_PB4 RK_FUNC_GPIO &pcfg_pull_down>;
+ };
+
+ host_wake_bt: host-wake-bt {
+ rockchip,pins = <4 RK_PB2 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
+ gmac {
+ mac_rst: mac-rst {
+ rockchip,pins = <0 RK_PA7 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
+ leds {
+ pwr_led: pwr-led {
+ rockchip,pins = <0 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
+ wifi {
+ wifi_reg_on: wifi-reg-on {
+ rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ wifi_wake_host: wifi-wake-host {
+ rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_down>;
+ };
+ };
+};
+
+&pwm0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm0_pin_pull_down>;
+ status = "okay";
+};
+
+&saradc {
+ vref-supply = <&vcc_1v8>;
+ status = "okay";
+};
+
+&sdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ cap-sd-highspeed;
+ cap-sdio-irq;
+ keep-power-in-suspend;
+ max-frequency = <50000000>;
+ mmc-pwrseq = <&sdio_pwrseq>;
+ no-mmc;
+ no-sd;
+ non-removable;
+ vmmc-supply = <&vcc_io>;
+ vqmmc-supply = <&vcc_1v8>;
+ status = "okay";
+
+ brcmf: wifi@1 {
+ compatible = "brcm,bcm43430a1-fmac", "brcm,bcm4329-fmac";
+ reg = <1>;
+ interrupt-parent = <&gpio0>;
+ interrupts = <RK_PA0 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "host-wake";
+ pinctrl-names = "default";
+ pinctrl-0 = <&wifi_wake_host>;
+ };
+};
+
+&sdmmc {
+ cap-mmc-highspeed;
+ cap-sd-highspeed;
+ disable-wp;
+ vmmc-supply = <&vcc_io>;
+ status = "okay";
+};
+
+&u2phy {
+ status = "okay";
+};
+
+&u2phy_host {
+ status = "okay";
+};
+
+&u2phy_otg {
+ status = "okay";
+};
+
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_xfer>;
+ status = "okay";
+};
+
+&uart4 {
+ uart-has-rtscts;
+ status = "okay";
+
+ bluetooth {
+ compatible = "brcm,bcm43430a1-bt";
+ clocks = <&cru SCLK_RTC32K>;
+ clock-names = "lpo";
+ interrupt-parent = <&gpio4>;
+ interrupts = <RK_PB4 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "host-wakeup";
+ device-wakeup-gpios = <&gpio4 RK_PB2 GPIO_ACTIVE_HIGH>;
+ shutdown-gpios = <&gpio4 RK_PB3 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&bt_reg_on &bt_wake_host &host_wake_bt>;
+ vbat-supply = <&vcc_io>;
+ vddio-supply = <&vcc_1v8>;
+ };
+};
+
+&usb_host_ehci {
+ status = "okay";
+};
+
+&usb_host_ohci {
+ status = "okay";
+};
+
+&usb20_otg {
+ dr_mode = "peripheral";
+ status = "okay";
+};
+
+&wdt {
+ status = "okay";
+};
--
2.43.2
