[PATCH 3/3] arm64: dts: rockchip: Add Radxa E24C

[Jonas Karlman <jonas@kwiboo.se>]

The Radxa E24C is a compact, high-performance network computer
developed by Radxa, based on the Rockchip RK3528A SoC.

Add initial device tree for the Radxa E24C.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
---
Schematics: https://dl.radxa.com/e/e24c/docs/radxa_e24c_v1200_schematic.pdf
---
 arch/arm64/boot/dts/rockchip/Makefile         |   1 +
 .../boot/dts/rockchip/rk3528-radxa-e24c.dts   | 519 ++++++++++++++++++
 2 files changed, 520 insertions(+)
 create mode 100644 arch/arm64/boot/dts/rockchip/rk3528-radxa-e24c.dts

diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index 0662fcf00628..dc62fd5305be 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -92,6 +92,7 @@ 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-$(CONFIG_ARCH_ROCKCHIP) += rk3528-radxa-e24c.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-rock-2a.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3528-rock-2f.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3562-evb2-v10.dtb
diff --git a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e24c.dts b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e24c.dts
new file mode 100644
index 000000000000..225f2b0c5339
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e24c.dts
@@ -0,0 +1,519 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+/dts-v1/;
+
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+#include "rk3528.dtsi"
+
+/ {
+	model = "Radxa E24C";
+	compatible = "radxa,e24c", "rockchip,rk3528";
+
+	aliases {
+		ethernet0 = &gmac1;
+		i2c0 = &i2c0;
+		i2c1 = &i2c1;
+		i2c5 = &i2c5;
+		mmc0 = &sdhci;
+		mmc1 = &sdmmc;
+		rtc0 = &hym8563;
+		rtc1 = &rk805;
+		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>;
+		};
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+		pinctrl-names = "default";
+		pinctrl-0 = <&gpio0_a0_user>;
+
+		button-user {
+			gpios = <&gpio0 RK_PA0 GPIO_ACTIVE_LOW>;
+			label = "USER";
+			linux,code = <BTN_1>;
+			wakeup-source;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led-0 {
+			color = <LED_COLOR_ID_GREEN>;
+			default-state = "on";
+			function = LED_FUNCTION_HEARTBEAT;
+			gpios = <&gpio4 RK_PA1 GPIO_ACTIVE_LOW>;
+			label = "SYS";
+			linux,default-trigger = "heartbeat";
+			pinctrl-names = "default";
+			pinctrl-0 = <&sys_led_g>;
+		};
+
+		led-1 {
+			color = <LED_COLOR_ID_GREEN>;
+			default-state = "off";
+			function = LED_FUNCTION_WAN;
+			gpios = <&gpio4 RK_PA0 GPIO_ACTIVE_HIGH>;
+			label = "WAN";
+			linux,default-trigger = "netdev";
+			pinctrl-names = "default";
+			pinctrl-0 = <&wan_led_g>;
+		};
+
+		led-2 {
+			color = <LED_COLOR_ID_GREEN>;
+			default-state = "off";
+			function = LED_FUNCTION_LAN;
+			gpios = <&gpio1 RK_PB0 GPIO_ACTIVE_HIGH>;
+			label = "LAN1";
+			linux,default-trigger = "netdev";
+			pinctrl-names = "default";
+			pinctrl-0 = <&lan1_led_g>;
+		};
+
+		led-3 {
+			color = <LED_COLOR_ID_GREEN>;
+			default-state = "off";
+			function = LED_FUNCTION_LAN;
+			gpios = <&gpio1 RK_PB1 GPIO_ACTIVE_HIGH>;
+			label = "LAN2";
+			linux,default-trigger = "netdev";
+			pinctrl-names = "default";
+			pinctrl-0 = <&lan2_led_g>;
+		};
+
+		led-4 {
+			color = <LED_COLOR_ID_GREEN>;
+			default-state = "off";
+			function = LED_FUNCTION_LAN;
+			gpios = <&gpio1 RK_PB4 GPIO_ACTIVE_HIGH>;
+			label = "LAN3";
+			linux,default-trigger = "netdev";
+			pinctrl-names = "default";
+			pinctrl-0 = <&lan3_led_g>;
+		};
+	};
+
+	vcc3v3_mkey: regulator-3v3-vcc-mkey {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpios = <&gpio4 RK_PC6 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&mkey_pwr_en>;
+		regulator-name = "vcc3v3_mkey";
+		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>;
+		vin-supply = <&vcc_12v>;
+	};
+
+	vcc5v0_usb20: regulator-5v0-vcc-usb20 {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpios = <&gpio1 RK_PA3 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>;
+	};
+
+	vcc_12v: regulator-12v0-vcc {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc_12v";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <12000000>;
+		regulator-max-microvolt = <12000000>;
+	};
+
+	avddl_1v1: avddh_3v3: avdd_rtl8367rb: regulator-avdd-rtl8367rb {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpios = <&gpio1 RK_PC3 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&gpio_8367_en>;
+		regulator-name = "avdd_rtl8367rb";
+		startup-delay-us = <10000>;
+		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>;
+	};
+};
+
+&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-mode = "rgmii-id";
+	phy-supply = <&avdd_rtl8367rb>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&rgmii_miim>, <&rgmii_tx_bus2>, <&rgmii_rx_bus2>,
+		    <&rgmii_rgmii_clk>, <&rgmii_rgmii_bus>, <&gmac1_rstn_l>;
+	status = "okay";
+
+	fixed-link {
+		speed = <1000>;
+		full-duplex;
+	};
+};
+
+&gpu {
+	mali-supply = <&vdd_logic>;
+	status = "okay";
+};
+
+&i2c0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c0m0_xfer>;
+	status = "okay";
+
+	rk805: pmic@18 {
+		compatible = "rockchip,rk805";
+		reg = <0x18>;
+		interrupt-parent = <&gpio4>;
+		interrupts = <RK_PB2 IRQ_TYPE_LEVEL_LOW>;
+		#clock-cells = <1>;
+		clock-output-names = "rk805-clkout1", "rk805-clkout2";
+		gpio-controller;
+		#gpio-cells = <2>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pmic_int>;
+		system-power-controller;
+		wakeup-source;
+
+		vcc1-supply = <&vcc5v0_sys>;
+		vcc2-supply = <&vcc5v0_sys>;
+		vcc3-supply = <&vcc5v0_sys>;
+		vcc4-supply = <&vcc5v0_sys>;
+		vcc5-supply = <&vcc5v0_sys>;
+		vcc6-supply = <&vcc5v0_sys>;
+
+		regulators {
+			vdd_arm: DCDC_REG1 {
+				regulator-name = "vdd_arm";
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <712500>;
+				regulator-max-microvolt = <1450000>;
+				regulator-ramp-delay = <12500>;
+
+				regulator-state-mem {
+					regulator-on-in-suspend;
+				};
+			};
+
+			vdd_logic: DCDC_REG2 {
+				regulator-name = "vdd_logic";
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <712500>;
+				regulator-max-microvolt = <1450000>;
+				regulator-ramp-delay = <12500>;
+
+				regulator-state-mem {
+					regulator-on-in-suspend;
+				};
+			};
+
+			vcc_ddr: DCDC_REG3 {
+				regulator-name = "vcc_ddr";
+				regulator-always-on;
+				regulator-boot-on;
+
+				regulator-state-mem {
+					regulator-on-in-suspend;
+				};
+			};
+
+			vcc_3v3: DCDC_REG4 {
+				regulator-name = "vcc_3v3";
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+
+				regulator-state-mem {
+					regulator-on-in-suspend;
+					regulator-suspend-microvolt = <3300000>;
+				};
+			};
+
+			vcc_1v8: LDO_REG1 {
+				regulator-name = "vcc_1v8";
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+
+				regulator-state-mem {
+					regulator-on-in-suspend;
+					regulator-suspend-microvolt = <1800000>;
+				};
+			};
+
+			vcc1v8_emmc: LDO_REG2 {
+				regulator-name = "vcc1v8_emmc";
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+
+				regulator-state-mem {
+					regulator-on-in-suspend;
+					regulator-suspend-microvolt = <1800000>;
+				};
+			};
+
+			vdd_0v9_p: LDO_REG3 {
+				regulator-name = "vdd_0v9_p";
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <900000>;
+				regulator-max-microvolt = <900000>;
+
+				regulator-state-mem {
+					regulator-on-in-suspend;
+					regulator-suspend-microvolt = <900000>;
+				};
+			};
+		};
+	};
+};
+
+&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>;
+	};
+};
+
+&i2c5 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c5m0_xfer>;
+	status = "okay";
+
+	hym8563: rtc@51 {
+		compatible = "haoyu,hym8563";
+		reg = <0x51>;
+		#clock-cells = <0>;
+		interrupt-parent = <&gpio4>;
+		interrupts = <RK_PB0 IRQ_TYPE_LEVEL_LOW>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&rtc_int_l>;
+		wakeup-source;
+	};
+};
+
+&mdio1 {
+	reset-delay-us = <25000>;
+	reset-gpios = <&gpio4 RK_PC2 GPIO_ACTIVE_LOW>;
+	reset-post-delay-us = <100000>;
+};
+
+&pinctrl {
+	ethernet {
+		gmac1_rstn_l: gmac1-rstn-l {
+			rockchip,pins = <4 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		gpio_8367_en: gpio-8367-en {
+			rockchip,pins = <1 RK_PC3 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		rtl8367rb_eint: rtl8367rb-eint {
+			rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
+
+	gpio-keys {
+		gpio0_a0_user: gpio0-a0-user {
+			rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
+
+	leds {
+		lan1_led_g: lan1-led-g {
+			rockchip,pins = <1 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		lan2_led_g: lan2-led-g {
+			rockchip,pins = <1 RK_PB1 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		lan3_led_g: lan3-led-g {
+			rockchip,pins = <1 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		sys_led_g: sys-led-g {
+			rockchip,pins = <4 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		wan_led_g: wan-led-g {
+			rockchip,pins = <4 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
+	pcie {
+		mkey_pwr_en: mkey-pwr-en {
+			rockchip,pins = <4 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
+	pmic {
+		pmic_int: pmic-int {
+			rockchip,pins = <4 RK_PB2 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
+
+	rtc {
+		rtc_int_l: rtc-int-l {
+			rockchip,pins = <4 RK_PB0 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>;
+		};
+	};
+
+	usb {
+		usb_host_en: usb-host-en {
+			rockchip,pins = <1 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+};
+
+&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 = <&vcc1v8_emmc>;
+	status = "fail";
+};
+
+&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";
+};
+
+&sfc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&fspi_csn0>, <&fspi_pins>;
+	status = "okay";
+
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <50000000>;
+		spi-rx-bus-width = <4>;
+		spi-tx-bus-width = <1>;
+		vcc-supply = <&vcc1v8_emmc>;
+	};
+};
+
+&u2phy {
+	status = "okay";
+};
+
+&u2phy_host {
+	phy-supply = <&vcc5v0_usb20>;
+	status = "okay";
+};
+
+&u2phy_otg {
+	status = "okay";
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0m0_xfer>;
+	status = "okay";
+};
+
+&usb_host0_ehci {
+	status = "okay";
+};
+
+&usb_host0_xhci {
+	extcon = <&u2phy>;
+	maximum-speed = "high-speed";
+	phys = <&u2phy_otg>;
+	phy-names = "usb2-phy";
+	status = "okay";
+};
-- 
2.50.1