Message-ID: <20240906045706.1004813-4-bigfoot@classfun.cn>
Date: Fri,  6 Sep 2024 12:57:06 +0800
From: Junhao Xie <bigfoot@...ssfun.cn>
To: devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Cc: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>,
	Jonas Karlman <jonas@...boo.se>,
	Chukun Pan <amadeus@....edu.cn>,
	Junhao Xie <bigfoot@...ssfun.cn>,
	FUKAUMI Naoki <naoki@...xa.com>,
	Dragan Simic <dsimic@...jaro.org>,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 3/3] arm64: dts: rockchip: add dts for Ariaboard Photonicat RK3568

Add dts for Ariaboard Photonicat RK3568.

Working IO:
    Debug UART
    SDIO QCA9377 WiFi and Bluetooth
    M.2 E-Key PCIe WiFi and Bluetooth
    M.2 B-Key USB Modem WWAN
    Ethernet WAN Port
    MicroSD Card slot
    eMMC
    HDMI Output
    Mali GPU
    USB Type-A

Not working IO:
    Ethernet LAN Port (Lack of SGMII support)
    Power management MCU on UART4 (Driver pending)

Not working IO in MCU:
    Battery voltage sensor
    Board temperature sensor
    Hardware Power-off
    Hardware Watchdog
    Network status LED
    Real-time clock
    USB Charger voltage sensor

About onboard power management MCU:
    A heartbeat must be sent to the MCU within 60 seconds,
    otherwise the MCU will restart the system.
    When powering off, a shutdown command needs to be sent to the MCU.
    When the power button is long pressed, the MCU will send a shutdown
    command to the system. If system does not shutdown within 60 seconds,
    the power will be turned off directly.
    MCU only provides voltage for charger and battery.
    Manufacturer removed RK8xx PMIC.

Signed-off-by: Junhao Xie <bigfoot@...ssfun.cn>
---
 arch/arm64/boot/dts/rockchip/Makefile         |   1 +
 .../boot/dts/rockchip/rk3568-photonicat.dts   | 595 ++++++++++++++++++
 2 files changed, 596 insertions(+)
 create mode 100644 arch/arm64/boot/dts/rockchip/rk3568-photonicat.dts

diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index fda1b980eb4b..9d92d084e996 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -130,6 +130,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-jaguar.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-nanopc-t6.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-ok3588-c.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-orangepi-5-plus.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-photonicat.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-quartzpro64.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-rock-5-itx.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-rock-5b.dtb
diff --git a/arch/arm64/boot/dts/rockchip/rk3568-photonicat.dts b/arch/arm64/boot/dts/rockchip/rk3568-photonicat.dts
new file mode 100644
index 000000000000..f0ed2481013d
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3568-photonicat.dts
@@ -0,0 +1,595 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/pinctrl/rockchip.h>
+#include <dt-bindings/soc/rockchip,vop2.h>
+#include <dt-bindings/soc/rockchip,boot-mode.h>
+#include "rk3568.dtsi"
+
+/ {
+	model = "Ariaboard Photonicat";
+	compatible = "ariaboard,photonicat", "rockchip,rk3568";
+
+	aliases {
+		ethernet0 = &gmac0;
+		ethernet1 = &gmac1;
+		mmc0 = &sdhci;
+		mmc1 = &sdmmc0;
+		mmc2 = &sdmmc1;
+	};
+
+	battery: battery {
+		compatible = "simple-battery";
+		device-chemistry = "lithium-ion";
+		charge-full-design-microamp-hours = <6800000>;
+		energy-full-design-microwatt-hours = <25000000>;
+		voltage-max-design-microvolt = <4200000>;
+		voltage-min-design-microvolt = <3400000>;
+
+		ocv-capacity-celsius = <25>;
+		ocv-capacity-table-0 =  <4100000 100>, <4040000 90>,
+					<3980000 80>, <3920000 70>,
+					<3870000 60>, <3820000 50>,
+					<3790000 40>, <3770000 30>,
+					<3740000 20>, <3680000 10>,
+					<3450000 0>;
+	};
+
+	chosen: chosen {
+		stdout-path = "serial2:1500000n8";
+	};
+
+	hdmi_con: hdmi-con {
+		compatible = "hdmi-connector";
+		type = "a";
+
+		port {
+			hdmi_con_in: endpoint {
+				remote-endpoint = <&hdmi_out_con>;
+			};
+		};
+	};
+
+	rfkill-modem {
+		compatible = "rfkill-gpio";
+		label = "M.2 USB Modem";
+		radio-type = "wwan";
+		reset-gpios = <&gpio0 RK_PB0 GPIO_ACTIVE_LOW>;
+		shutdown-gpios = <&gpio4 RK_PC4 GPIO_ACTIVE_HIGH>;
+	};
+
+	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 = <&vcc3v3_sys>;
+	};
+
+	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 = <&vcc3v3_sys>;
+	};
+
+	/* actually fed by vcc5v0_syson, dependent
+	 * on pi6c clock generator
+	 */
+	vcc3v3_pcie: regulator-3v3-vcc-pcie {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc3v3_pcie";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vcc3v3_pi6c>;
+	};
+
+	/* pi6c pcie clock generator */
+	vcc3v3_pi6c: regulator-3v3-vcc-pi6c {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pcie_pwren_h>;
+		regulator-name = "vcc3v3_pi6c";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vcc5v0_syson>;
+	};
+
+	vcc3v3_sd: regulator-3v3-vcc-sd {
+		compatible = "regulator-fixed";
+		gpio = <&gpio0 RK_PB6 GPIO_ACTIVE_LOW>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&vcc_sd_h>;
+		regulator-boot-on;
+		regulator-name = "vcc3v3_sd";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vcc_3v3>;
+	};
+
+	vcc3v3_sys: regulator-3v3-vcc-sys {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc3v3_sys";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vcc5v0_syson>;
+	};
+
+	vcc3v3_rf: regulator-3v3-vcc-rf {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio4 RK_PC2 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&vcc3v3_rf_pwren_en>;
+		regulator-name = "vcc3v3_rf";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vcc3v3_sys>;
+	};
+
+	vcc5v0_sysin: regulator-5v0-vcc-sysin {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc5v0_sysin";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+	};
+
+	vcc5v0_syson: regulator-5v0-vcc-syson {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc5v0_syson";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&vcc5v0_sysin>;
+	};
+
+	vcc5v0_usb30_otg0: regulator-5v0-vcc-usb-host {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio0 RK_PA5 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&usb_host_pwren_h>;
+		regulator-name = "vcc5v0_usb30_otg0";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&vcc5v0_syson>;
+	};
+
+	vdda_0v9: regulator-0v9-vdda {
+		compatible = "regulator-fixed";
+		regulator-name = "vdda_0v9";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <900000>;
+		regulator-max-microvolt = <900000>;
+		vin-supply = <&vcc3v3_sys>;
+	};
+
+	vcca_1v8: regulator-1v8-vcca {
+		compatible = "regulator-fixed";
+		regulator-name = "vcca_1v8";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		vin-supply = <&vcc3v3_sys>;
+	};
+
+	vdd_gpu: regulator-vdd-gpu {
+		compatible = "pwm-regulator";
+		pwms = <&pwm2 0 5000 1>;
+		pwm-supply = <&vcc5v0_syson>;
+		regulator-name = "vdd_gpu";
+		regulator-min-microvolt = <800000>;
+		regulator-max-microvolt = <1350000>;
+		regulator-ramp-delay = <6001>;
+		regulator-settling-time-up-us = <250>;
+	};
+
+	vdd_logic: regulator-vdd-logic {
+		compatible = "pwm-regulator";
+		pwms = <&pwm1 0 5000 1>;
+		pwm-supply = <&vcc5v0_syson>;
+		regulator-name = "vdd_logic";
+		regulator-min-microvolt = <500000>;
+		regulator-max-microvolt = <1350000>;
+		regulator-ramp-delay = <6001>;
+		regulator-settling-time-up-us = <250>;
+	};
+
+	wifi_pwrseq: wifi-pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		clocks = <&pmucru CLK_RTC_32K>;
+		clock-names = "ext_clock";
+		pinctrl-names = "default";
+		pinctrl-0 = <&wifi_reg_on_h &clk32k_out1>;
+		post-power-on-delay-ms = <200>;
+		reset-gpios = <&gpio2 RK_PB1 GPIO_ACTIVE_LOW>;
+	};
+};
+
+&combphy0 {
+	status = "okay";
+};
+
+&combphy1 {
+	status = "okay";
+};
+
+&combphy2 {
+	status = "okay";
+};
+
+&cpu0 {
+	cpu-supply = <&vdd_cpu>;
+};
+
+&cpu1 {
+	cpu-supply = <&vdd_cpu>;
+};
+
+&cpu2 {
+	cpu-supply = <&vdd_cpu>;
+};
+
+&cpu3 {
+	cpu-supply = <&vdd_cpu>;
+};
+
+&gmac0 {
+	status = "disabled";
+	/* Motorcomm YT8521SC LAN port (require SGMII) */
+};
+
+&gmac1 {
+	assigned-clocks = <&cru SCLK_GMAC1_RX_TX>, <&cru SCLK_GMAC1>;
+	assigned-clock-parents = <&cru SCLK_GMAC1_RGMII_SPEED>;
+	assigned-clock-rates = <0>, <125000000>;
+	clock_in_out = "output";
+	phy-handle = <&rgmii_phy1>;
+	phy-mode = "rgmii-id";
+	phy-supply = <&vcc_3v3>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&gmac1m1_miim
+		     &gmac1m1_tx_bus2
+		     &gmac1m1_rx_bus2
+		     &gmac1m1_rgmii_clk
+		     &gmac1m1_rgmii_bus>;
+	snps,reset-gpio = <&gpio4 RK_PC0 GPIO_ACTIVE_LOW>;
+	snps,reset-active-low;
+	snps,reset-delays-us = <0 20000 100000>;
+	tx_delay = <0x0>;
+	rx_delay = <0x0>;
+	status = "okay";
+	/* Motorcomm YT8521SC WAN port */
+};
+
+&gpu {
+	mali-supply = <&vdd_gpu>;
+	status = "okay";
+};
+
+&hdmi {
+	avdd-0v9-supply = <&vdda_0v9>;
+	avdd-1v8-supply = <&vcca_1v8>;
+	status = "okay";
+};
+
+&hdmi_in {
+	hdmi_in_vp0: endpoint {
+		remote-endpoint = <&vp0_out_hdmi>;
+	};
+};
+
+&hdmi_out {
+	hdmi_out_con: endpoint {
+		remote-endpoint = <&hdmi_con_in>;
+	};
+};
+
+&hdmi_sound {
+	status = "okay";
+};
+
+&i2c0 {
+	status = "okay";
+
+	vdd_cpu: regulator@1c {
+		compatible = "tcs,tcs4525";
+		reg = <0x1c>;
+		fcs,suspend-voltage-selector = <1>;
+		regulator-name = "vdd_cpu";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <800000>;
+		regulator-max-microvolt = <1150000>;
+		regulator-ramp-delay = <2300>;
+		vin-supply = <&vcc5v0_syson>;
+
+		regulator-state-mem {
+			regulator-off-in-suspend;
+		};
+	};
+};
+
+&i2c2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c2m1_xfer>;
+	status = "okay";
+};
+
+&i2s0_8ch {
+	status = "okay";
+};
+
+&mdio1 {
+	rgmii_phy1: ethernet-phy@0 {
+		compatible = "ethernet-phy-ieee802.3-c22";
+		reg = <0x0>;
+		rx-internal-delay-ps = <1500>;
+		tx-internal-delay-ps = <1500>;
+	};
+};
+
+&pcie30phy {
+	phy-supply = <&vcc3v3_pi6c>;
+	status = "okay";
+};
+
+&pcie3x2 {
+	max-link-speed = <1>;
+	num-lanes = <1>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie30x1m0_pins>;
+	reset-gpios = <&gpio0 RK_PC3 GPIO_ACTIVE_HIGH>;
+	vpcie3v3-supply = <&vcc3v3_pcie>;
+	status = "okay";
+	/* M.2 E-Key for PCIe WLAN */
+};
+
+&pinctrl {
+	bt {
+		bt_reg_on_h: bt-enable-h {
+			rockchip,pins = <2 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
+	pcie {
+		pcie_pwren_h: pcie-enable-h {
+			rockchip,pins = <0 RK_PA6 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
+	sdio-pwrseq {
+		wifi_reg_on_h: wifi-enable-h {
+			rockchip,pins = <2 RK_PB1 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
+	usb {
+		vcc3v3_rf_pwren_en: vcc5v0-modem-en {
+			rockchip,pins = <4 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		usb_host_pwren_h: vcc5v0-host-en {
+			rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
+	vcc_sd {
+		vcc_sd_h: vcc-sd-h {
+			rockchip,pins = <0 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
+};
+
+&pmu_io_domains {
+	pmuio1-supply = <&vcc_3v3>;
+	pmuio2-supply = <&vcc_3v3>;
+	vccio1-supply = <&vcc_3v3>;
+	vccio2-supply = <&vcc_1v8>;
+	vccio3-supply = <&vcc_3v3>;
+	vccio4-supply = <&vcc_1v8>;
+	vccio5-supply = <&vcc_3v3>;
+	vccio6-supply = <&vcc_3v3>;
+	vccio7-supply = <&vcc_3v3>;
+	status = "okay";
+};
+
+&pwm1 {
+	status = "okay";
+};
+
+&pwm2 {
+	status = "okay";
+};
+
+&saradc {
+	vref-supply = <&vcca_1v8>;
+	status = "okay";
+};
+
+&sdhci {
+	bus-width = <8>;
+	max-frequency = <200000000>;
+	mmc-hs200-1_8v;
+	non-removable;
+	pinctrl-names = "default";
+	pinctrl-0 = <&emmc_bus8 &emmc_clk &emmc_cmd>;
+	vmmc-supply = <&vcc_3v3>;
+	vqmmc-supply = <&vcc_1v8>;
+	status = "okay";
+	/* eMMC */
+};
+
+&sdmmc0 {
+	bus-width = <4>;
+	cap-sd-highspeed;
+	cd-gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_LOW>;
+	disable-wp;
+	no-1-8-v;
+	pinctrl-names = "default";
+	pinctrl-0 = <&sdmmc0_bus4 &sdmmc0_clk &sdmmc0_cmd>;
+	vmmc-supply = <&vcc3v3_sd>;
+	vqmmc-supply = <&vcc_3v3>;
+	status = "okay";
+	/* Micro SD card slot */
+};
+
+&sdmmc1 {
+	bus-width = <4>;
+	cap-sd-highspeed;
+	cap-sdio-irq;
+	keep-power-in-suspend;
+	max-frequency = <150000000>;
+	mmc-pwrseq = <&wifi_pwrseq>;
+	non-removable;
+	pinctrl-names = "default";
+	pinctrl-0 = <&sdmmc1_bus4 &sdmmc1_cmd &sdmmc1_clk>;
+	sd-uhs-sdr104;
+	vmmc-supply = <&vcc3v3_sys>;
+	vqmmc-supply = <&vcc_1v8>;
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+	/* Qualcomm Atheros QCA9377 */
+
+	wifi: wifi@1 {
+		reg = <1>;
+		interrupt-parent = <&gpio2>;
+		interrupts = <RK_PB2 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "host-wake";
+	};
+};
+
+&tsadc {
+	rockchip,hw-tshut-mode = <1>;
+	rockchip,hw-tshut-polarity = <0>;
+	status = "okay";
+};
+
+&uart1 {
+	dma-names = "tx", "rx";
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart1m0_xfer &uart1m0_ctsn &uart1m0_rtsn>;
+	uart-has-rtscts;
+	status = "okay";
+
+	bluetooth: bluetooth {
+		compatible = "qcom,qca9377-bt";
+		clocks = <&pmucru CLK_RTC_32K>;
+		clock-names = "lpo";
+		enable-gpios = <&gpio2 RK_PB7 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&bt_reg_on_h>;
+		vddio-supply = <&vcc_1v8>;
+	};
+};
+
+&uart2 {
+	status = "okay";
+	/* Debug UART */
+};
+
+&uart3 {
+	dma-names = "tx", "rx";
+	status = "okay";
+};
+
+&uart4 {
+	dma-names = "tx", "rx";
+	status = "okay";
+	/* Onboard power management MCU */
+};
+
+&usb_host0_ohci {
+	status = "okay";
+};
+
+&usb_host0_ehci {
+	status = "okay";
+};
+
+&usb_host0_xhci {
+	dr_mode = "host";
+	status = "okay";
+	/* USB Type-A Port */
+};
+
+&usb_host1_ohci {
+	status = "okay";
+};
+
+&usb_host1_ehci {
+	status = "okay";
+};
+
+&usb_host1_xhci {
+	dr_mode = "host";
+	status = "okay";
+	/* M.2 B-Key for USB Modem WWAN */
+};
+
+&usb2phy0 {
+	status = "okay";
+};
+
+&usb2phy0_host {
+	phy-supply = <&vcc3v3_rf>;
+	status = "okay";
+};
+
+&usb2phy0_otg {
+	phy-supply = <&vcc5v0_usb30_otg0>;
+	status = "okay";
+};
+
+&usb2phy1 {
+	status = "okay";
+};
+
+&usb2phy1_host {
+	phy-supply = <&vcc3v3_rf>;
+	status = "okay";
+};
+
+&usb2phy1_otg {
+	phy-supply = <&vcc5v0_usb30_otg0>;
+	status = "okay";
+};
+
+&vop {
+	assigned-clocks = <&cru DCLK_VOP0>, <&cru DCLK_VOP1>;
+	assigned-clock-parents = <&pmucru PLL_HPLL>, <&cru PLL_VPLL>;
+	status = "okay";
+};
+
+&vop_mmu {
+	status = "okay";
+};
+
+&vp0 {
+	vp0_out_hdmi: endpoint@...KCHIP_VOP2_EP_HDMI0 {
+		reg = <ROCKCHIP_VOP2_EP_HDMI0>;
+		remote-endpoint = <&hdmi_in_vp0>;
+	};
+};
-- 
2.46.0

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