arm64: dts: rockchip: Add Radxa CM3I E25

Radxa E25 is a network application carrier board for the Radxa CM3
Industrial (CM3I) SoM, which is based on the Rockchip RK3568 SoC.

It has the following features:

- MicroSD card socket, on board eMMC flash
- 2x 2.5GbE Realtek RTL8125B Ethernet transceiver
- 1x USB Type-C port (Power and Serial console)
- 1x USB 3.0 OTG port
- mini PCIe socket (USB or PCIe)
- ngff PCIe socket (USB or SATA)
- 1x User LED and 16x RGB LEDs
- 26-pin expansion header

Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
Link: https://lore.kernel.org/r/20221209102524.129367-3-amadeus@jmu.edu.cn
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

1 files changed, 229 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-radxa-e25.dts b/arch/arm64/boot/dts/rockchip/rk3568-radxa-e25.dts
new file mode 100644
index 000000000000..fb96019b0e87
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3568-radxa-e25.dts
@@ -0,0 +1,229 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+/dts-v1/;
+#include "rk3568-radxa-cm3i.dtsi"
+
+/ {
+	model = "Radxa E25";
+	compatible = "radxa,e25", "rockchip,rk3568";
+
+	aliases {
+		mmc0 = &sdmmc0;
+		mmc1 = &sdhci;
+	};
+
+	pwm-leds {
+		compatible = "pwm-leds-multicolor";
+
+		multi-led {
+			color = <LED_COLOR_ID_RGB>;
+			max-brightness = <255>;
+
+			led-red {
+				color = <LED_COLOR_ID_RED>;
+				pwms = <&pwm1 0 1000000 0>;
+			};
+
+			led-green {
+				color = <LED_COLOR_ID_GREEN>;
+				pwms = <&pwm2 0 1000000 0>;
+			};
+
+			led-blue {
+				color = <LED_COLOR_ID_BLUE>;
+				pwms = <&pwm12 0 1000000 0>;
+			};
+		};
+	};
+
+	vbus_typec: vbus-typec-regulator {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio0 RK_PB7 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&vbus_typec_en>;
+		regulator-name = "vbus_typec";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&vcc5v0_sys>;
+	};
+
+	vcc3v3_minipcie: vcc3v3-minipcie-regulator {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio3 RK_PA7 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&minipcie_enable_h>;
+		regulator-name = "vcc3v3_minipcie";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&vcc5v0_sys>;
+	};
+
+	vcc3v3_ngff: vcc3v3-ngff-regulator {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio0 RK_PD6 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&ngffpcie_enable_h>;
+		regulator-name = "vcc3v3_ngff";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vcc5v0_sys>;
+	};
+
+	/* actually fed by vcc5v0_sys, dependent
+	 * on pi6c clock generator
+	 */
+	vcc3v3_pcie30x1: vcc3v3-pcie30x1-regulator {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio0 RK_PC5 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pcie30x1_enable_h>;
+		regulator-name = "vcc3v3_pcie30x1";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vcc3v3_pi6c_05>;
+	};
+
+	vcc3v3_pi6c_05: vcc3v3-pi6c-05-regulator {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpios = <&gpio0 RK_PC7 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pcie_enable_h>;
+		regulator-name = "vcc3v3_pcie";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vcc5v0_sys>;
+	};
+};
+
+&pcie2x1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie20_reset_h>;
+	reset-gpios = <&gpio1 RK_PB2 GPIO_ACTIVE_HIGH>;
+	vpcie3v3-supply = <&vcc3v3_pi6c_05>;
+	status = "okay";
+};
+
+&pcie30phy {
+	data-lanes = <1 2>;
+	status = "okay";
+};
+
+&pcie3x1 {
+	num-lanes = <1>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie30x1m0_pins>;
+	reset-gpios = <&gpio0 RK_PC3 GPIO_ACTIVE_HIGH>;
+	vpcie3v3-supply = <&vcc3v3_pcie30x1>;
+	status = "okay";
+};
+
+&pcie3x2 {
+	num-lanes = <1>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie30x2_reset_h>;
+	reset-gpios = <&gpio2 RK_PD6 GPIO_ACTIVE_HIGH>;
+	vpcie3v3-supply = <&vcc3v3_pi6c_05>;
+	status = "okay";
+};
+
+&pinctrl {
+	pcie {
+		pcie20_reset_h: pcie20-reset-h {
+			rockchip,pins = <1 RK_PB2 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		pcie30x1_enable_h: pcie30x1-enable-h {
+			rockchip,pins = <0 RK_PC5 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		pcie30x2_reset_h: pcie30x2-reset-h {
+			rockchip,pins = <2 RK_PD6 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		pcie_enable_h: pcie-enable-h {
+			rockchip,pins = <0 RK_PC7 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
+	usb {
+		minipcie_enable_h: minipcie-enable-h {
+			rockchip,pins = <3 RK_PA7 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		ngffpcie_enable_h: ngffpcie-enable-h {
+			rockchip,pins = <0 RK_PD6 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		vbus_typec_en: vbus_typec_en {
+			rockchip,pins = <0 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+};
+
+&pwm1 {
+	status = "okay";
+};
+
+&pwm2 {
+	status = "okay";
+};
+
+&pwm12 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pwm12m1_pins>;
+	status = "okay";
+};
+
+&sdmmc0 {
+	bus-width = <4>;
+	cap-sd-highspeed;
+	cd-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_LOW>;
+	/* Also used in pcie30x1_clkreqnm0 */
+	disable-wp;
+	pinctrl-names = "default";
+	pinctrl-0 = <&sdmmc0_bus4 &sdmmc0_clk &sdmmc0_cmd>;
+	sd-uhs-sdr104;
+	vmmc-supply = <&vcc3v3_sd>;
+	vqmmc-supply = <&vccio_sd>;
+	status = "okay";
+};
+
+&usb_host0_ehci {
+	status = "okay";
+};
+
+&usb_host0_ohci {
+	status = "okay";
+};
+
+&usb_host0_xhci {
+	status = "okay";
+};
+
+&usb_host1_ehci {
+	status = "okay";
+};
+
+&usb_host1_ohci {
+	status = "okay";
+};
+
+&usb2phy0_otg {
+	phy-supply = <&vbus_typec>;
+	status = "okay";
+};
+
+&usb2phy1_host {
+	phy-supply = <&vcc3v3_minipcie>;
+	status = "okay";
+};
+
+&usb2phy1_otg {
+	phy-supply = <&vcc3v3_ngff>;
+	status = "okay";
+};