From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: hmz007 <hmz007@gmail.com>
Date: Tue, 15 Dec 2020 18:02:38 +0800
Subject: rockchip: rk3399: Add Nanopi R4S board support

Add initial support for Nanopi R4S board.

Specification
- Rockchip RK3399
- LPDDR4 4GiB, 1GB DDR3-1866
- SD card slot
- RTL8211E 1Gbps
- RTL8111H 1Gbps
- USB 3.0 x2
- USB Type C power

Signed-off-by: hmz007 <hmz007@gmail.com>
---
 arch/arm/dts/rk3399-nanopi-r4s-4gb-u-boot.dtsi |   8 +
 arch/arm/dts/rk3399-nanopi-r4s-4gb.dts         | 114 +++++++++
 arch/arm/dts/rk3399-nanopi-r4s-u-boot.dtsi     |  13 +-
 arch/arm/dts/rk3399-nanopi-r4s.dts             | 125 ++++------
 configs/nanopi-r4s-4gb-rk3399_defconfig        |  63 +++++
 configs/nanopi-r4s-rk3399_defconfig            |   6 +-
 6 files changed, 242 insertions(+), 87 deletions(-)

diff --git a/arch/arm/dts/rk3399-nanopi-r4s-4gb-u-boot.dtsi b/arch/arm/dts/rk3399-nanopi-r4s-4gb-u-boot.dtsi
new file mode 100644
index 0000000000..b291830640
--- /dev/null
+++ b/arch/arm/dts/rk3399-nanopi-r4s-4gb-u-boot.dtsi
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2019 Jagan Teki <jagan@amarulasolutions.com>
+ * Copyright (C) 2020 Deepak Das <deepakdas.linux@gmail.com>
+ */
+
+#include "rk3399-nanopi4-u-boot.dtsi"
+#include "rk3399-sdram-lpddr4-100.dtsi"
diff --git a/arch/arm/dts/rk3399-nanopi-r4s-4gb.dts b/arch/arm/dts/rk3399-nanopi-r4s-4gb.dts
new file mode 100644
index 0000000000..3072880c77
--- /dev/null
+++ b/arch/arm/dts/rk3399-nanopi-r4s-4gb.dts
@@ -0,0 +1,114 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * FriendlyElec NanoPi R4S board device tree source
+ *
+ * Copyright (c) 2020 FriendlyElec Computer Tech. Co., Ltd.
+ * (http://www.friendlyarm.com)
+ *
+ * Copyright (c) 2018 Collabora Ltd.
+ * Copyright (c) 2019 Arm Ltd.
+ */
+
+/dts-v1/;
+#include "rk3399-nanopi4.dtsi"
+
+/ {
+	model = "FriendlyElec NanoPi R4S";
+	compatible = "friendlyarm,nanopi-r4s", "rockchip,rk3399";
+
+	vdd_5v: vdd-5v {
+		compatible = "regulator-fixed";
+		regulator-name = "vdd_5v";
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
+	vcc5v0_usb1: vcc5v0-usb1 {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc5v0_usb1";
+		regulator-always-on;
+		regulator-boot-on;
+		vin-supply = <&vdd_5v>;
+	};
+
+	vcc5v0_usb2: vcc5v0-usb2 {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc5v0_usb2";
+		regulator-always-on;
+		regulator-boot-on;
+		vin-supply = <&vdd_5v>;
+	};
+
+	fan: pwm-fan {
+		compatible = "pwm-fan";
+		/*
+		 * With 20KHz PWM and an EVERCOOL EC4007H12SA fan, these levels
+		 * work out to 0, ~1200, ~3000, and 5000RPM respectively.
+		 */
+		cooling-levels = <0 12 18 255>;
+		#cooling-cells = <2>;
+		fan-supply = <&vdd_5v>;
+		pwms = <&pwm1 0 50000 0>;
+	};
+};
+
+&cpu_thermal {
+	trips {
+		cpu_warm: cpu_warm {
+			temperature = <55000>;
+			hysteresis = <2000>;
+			type = "active";
+		};
+
+		cpu_hot: cpu_hot {
+			temperature = <65000>;
+			hysteresis = <2000>;
+			type = "active";
+		};
+	};
+
+	cooling-maps {
+		map2 {
+			trip = <&cpu_warm>;
+			cooling-device = <&fan THERMAL_NO_LIMIT 1>;
+		};
+
+		map3 {
+			trip = <&cpu_hot>;
+			cooling-device = <&fan 2 THERMAL_NO_LIMIT>;
+		};
+	};
+};
+
+&emmc_phy {
+	status = "disabled";
+};
+
+&fusb0 {
+	status = "disabled";
+};
+
+&pcie0 {
+	num-lanes = <1>;
+	vpcie3v3-supply = <&vcc3v3_sys>;
+};
+
+&sdhci {
+	status = "disabled";
+};
+
+&sdio0 {
+	status = "disabled";
+};
+
+&u2phy0_host {
+	phy-supply = <&vdd_5v>;
+};
+
+&u2phy1_host {
+	status = "disabled";
+};
+
+&vcc3v3_sys {
+	vin-supply = <&vcc5v0_sys>;
+};
diff --git a/arch/arm/dts/rk3399-nanopi-r4s-u-boot.dtsi b/arch/arm/dts/rk3399-nanopi-r4s-u-boot.dtsi
index cd1642527b..eb0aca4758 100644
--- a/arch/arm/dts/rk3399-nanopi-r4s-u-boot.dtsi
+++ b/arch/arm/dts/rk3399-nanopi-r4s-u-boot.dtsi
@@ -1,16 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * RK3399-based FriendlyElec boards device tree source
- *
- * Copyright (c) 2016 Fuzhou Rockchip Electronics Co., Ltd
- *
- * Copyright (c) 2018 FriendlyElec Computer Tech. Co., Ltd.
- * (http://www.friendlyarm.com)
- *
- * Copyright (c) 2018 Collabora Ltd.
- * Copyright (c) 2019 Arm Ltd.
- * Copyright (C) 2020 Xiaobo <peterwillcn@gmail.com>
+ * Copyright (C) 2019 Jagan Teki <jagan@amarulasolutions.com>
  */
 
 #include "rk3399-nanopi4-u-boot.dtsi"
-#include "rk3399-sdram-lpddr4-100.dtsi"
+#include "rk3399-sdram-ddr3-1866.dtsi"
diff --git a/arch/arm/dts/rk3399-nanopi-r4s.dts b/arch/arm/dts/rk3399-nanopi-r4s.dts
index cef4d18b59..3072880c77 100644
--- a/arch/arm/dts/rk3399-nanopi-r4s.dts
+++ b/arch/arm/dts/rk3399-nanopi-r4s.dts
@@ -1,15 +1,12 @@
 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
 /*
- * FriendlyElec NanoPC-T4 board device tree source
+ * FriendlyElec NanoPi R4S board device tree source
  *
  * Copyright (c) 2020 FriendlyElec Computer Tech. Co., Ltd.
  * (http://www.friendlyarm.com)
  *
  * Copyright (c) 2018 Collabora Ltd.
- *
- * Copyright (c) 2020 Jensen Huang <jensenhuang@friendlyarm.com>
- * Copyright (c) 2020 Marty Jones <mj8263788@gmail.com>
- * Copyright (c) 2021 Tianling Shen <cnsztl@gmail.com>
+ * Copyright (c) 2019 Arm Ltd.
  */
 
 /dts-v1/;
@@ -19,48 +16,67 @@
 	model = "FriendlyElec NanoPi R4S";
 	compatible = "friendlyarm,nanopi-r4s", "rockchip,rk3399";
 
-	/delete-node/ display-subsystem;
+	vdd_5v: vdd-5v {
+		compatible = "regulator-fixed";
+		regulator-name = "vdd_5v";
+		regulator-always-on;
+		regulator-boot-on;
+	};
 
-	gpio-leds {
-		pinctrl-0 = <&lan_led_pin>, <&sys_led_pin>, <&wan_led_pin>;
+	vcc5v0_usb1: vcc5v0-usb1 {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc5v0_usb1";
+		regulator-always-on;
+		regulator-boot-on;
+		vin-supply = <&vdd_5v>;
+	};
 
-		/delete-node/ led-0;
+	vcc5v0_usb2: vcc5v0-usb2 {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc5v0_usb2";
+		regulator-always-on;
+		regulator-boot-on;
+		vin-supply = <&vdd_5v>;
+	};
 
-		lan_led: led-lan {
-			gpios = <&gpio1 RK_PA1 GPIO_ACTIVE_HIGH>;
-			label = "green:lan";
-		};
+	fan: pwm-fan {
+		compatible = "pwm-fan";
+		/*
+		 * With 20KHz PWM and an EVERCOOL EC4007H12SA fan, these levels
+		 * work out to 0, ~1200, ~3000, and 5000RPM respectively.
+		 */
+		cooling-levels = <0 12 18 255>;
+		#cooling-cells = <2>;
+		fan-supply = <&vdd_5v>;
+		pwms = <&pwm1 0 50000 0>;
+	};
+};
 
-		sys_led: led-sys {
-			gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>;
-			label = "red:power";
-			default-state = "on";
+&cpu_thermal {
+	trips {
+		cpu_warm: cpu_warm {
+			temperature = <55000>;
+			hysteresis = <2000>;
+			type = "active";
 		};
 
-		wan_led: led-wan {
-			gpios = <&gpio1 RK_PA0 GPIO_ACTIVE_HIGH>;
-			label = "green:wan";
+		cpu_hot: cpu_hot {
+			temperature = <65000>;
+			hysteresis = <2000>;
+			type = "active";
 		};
 	};
 
-	gpio-keys {
-		pinctrl-0 = <&reset_button_pin>;
-
-		/delete-node/ power;
-
-		reset {
-			debounce-interval = <50>;
-			gpios = <&gpio1 RK_PC6 GPIO_ACTIVE_LOW>;
-			label = "reset";
-			linux,code = <KEY_RESTART>;
+	cooling-maps {
+		map2 {
+			trip = <&cpu_warm>;
+			cooling-device = <&fan THERMAL_NO_LIMIT 1>;
 		};
-	};
 
-	vdd_5v: vdd-5v {
-		compatible = "regulator-fixed";
-		regulator-name = "vdd_5v";
-		regulator-always-on;
-		regulator-boot-on;
+		map3 {
+			trip = <&cpu_hot>;
+			cooling-device = <&fan 2 THERMAL_NO_LIMIT>;
+		};
 	};
 };
 
@@ -68,42 +84,15 @@
 	status = "disabled";
 };
 
-&i2c4 {
+&fusb0 {
 	status = "disabled";
 };
 
 &pcie0 {
-	max-link-speed = <1>;
 	num-lanes = <1>;
 	vpcie3v3-supply = <&vcc3v3_sys>;
 };
 
-&pinctrl {
-	gpio-leds {
-		/delete-node/ status-led-pin;
-
-		lan_led_pin: lan-led-pin {
-			rockchip,pins = <1 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>;
-		};
-
-		sys_led_pin: sys-led-pin {
-			rockchip,pins = <0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
-		};
-
-		wan_led_pin: wan-led-pin {
-			rockchip,pins = <1 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>;
-		};
-	};
-
-	rockchip-key {
-		/delete-node/ power-key;
-
-		reset_button_pin: reset-button-pin {
-			rockchip,pins = <1 RK_PC6 RK_FUNC_GPIO &pcfg_pull_up>;
-		};
-	};
-};
-
 &sdhci {
 	status = "disabled";
 };
@@ -120,14 +109,6 @@
 	status = "disabled";
 };
 
-&uart0 {
-	status = "disabled";
-};
-
-&usbdrd_dwc3_0 {
-	dr_mode = "host";
-};
-
 &vcc3v3_sys {
 	vin-supply = <&vcc5v0_sys>;
 };
diff --git a/configs/nanopi-r4s-4gb-rk3399_defconfig b/configs/nanopi-r4s-4gb-rk3399_defconfig
new file mode 100644
index 0000000000..dcac8d426f
--- /dev/null
+++ b/configs/nanopi-r4s-4gb-rk3399_defconfig
@@ -0,0 +1,63 @@
+CONFIG_ARM=y
+CONFIG_ARCH_ROCKCHIP=y
+CONFIG_SYS_TEXT_BASE=0x00200000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_ENV_OFFSET=0x3F8000
+CONFIG_ROCKCHIP_RK3399=y
+CONFIG_TARGET_EVB_RK3399=y
+CONFIG_DEBUG_UART_BASE=0xFF1A0000
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_DEFAULT_DEVICE_TREE="rk3399-nanopi-r4s-4gb"
+CONFIG_DEBUG_UART=y
+CONFIG_DEFAULT_FDT_FILE="rockchip/rk3399-nanopi-r4s-4gb.dtb"
+CONFIG_DISPLAY_BOARDINFO_LATE=y
+# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
+CONFIG_SPL_STACK_R=y
+CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN=0x10000
+CONFIG_TPL=y
+CONFIG_CMD_BOOTZ=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_USB=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_TIME=y
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
+CONFIG_ENV_IS_IN_MMC=y
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_SYS_MMC_ENV_DEV=1
+CONFIG_ROCKCHIP_GPIO=y
+CONFIG_SYS_I2C_ROCKCHIP=y
+CONFIG_MMC_DW=y
+CONFIG_MMC_DW_ROCKCHIP=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_ROCKCHIP=y
+CONFIG_DM_ETH=y
+CONFIG_ETH_DESIGNWARE=y
+CONFIG_GMAC_ROCKCHIP=y
+CONFIG_PMIC_RK8XX=y
+CONFIG_REGULATOR_PWM=y
+CONFIG_REGULATOR_RK8XX=y
+CONFIG_PWM_ROCKCHIP=y
+CONFIG_RAM_RK3399_LPDDR4=y
+CONFIG_BAUDRATE=1500000
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_SYSRESET=y
+CONFIG_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_DWC3=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_GENERIC=y
+CONFIG_USB_KEYBOARD=y
+CONFIG_USB_HOST_ETHER=y
+CONFIG_USB_ETHER_ASIX=y
+CONFIG_USB_ETHER_ASIX88179=y
+CONFIG_USB_ETHER_MCS7830=y
+CONFIG_USB_ETHER_RTL8152=y
+CONFIG_USB_ETHER_SMSC95XX=y
+CONFIG_DM_VIDEO=y
+CONFIG_DISPLAY=y
+CONFIG_VIDEO_ROCKCHIP=y
+CONFIG_DISPLAY_ROCKCHIP_HDMI=y
+CONFIG_SPL_TINY_MEMSET=y
+CONFIG_ERRNO_STR=y
diff --git a/configs/nanopi-r4s-rk3399_defconfig b/configs/nanopi-r4s-rk3399_defconfig
index 7d176ce28e..034241f209 100644
--- a/configs/nanopi-r4s-rk3399_defconfig
+++ b/configs/nanopi-r4s-rk3399_defconfig
@@ -1,16 +1,14 @@
 CONFIG_ARM=y
-CONFIG_SKIP_LOWLEVEL_INIT=y
 CONFIG_ARCH_ROCKCHIP=y
 CONFIG_SYS_TEXT_BASE=0x00200000
 CONFIG_NR_DRAM_BANKS=1
 CONFIG_ENV_OFFSET=0x3F8000
-CONFIG_DEFAULT_DEVICE_TREE="rk3399-nanopi-r4s"
 CONFIG_ROCKCHIP_RK3399=y
 CONFIG_TARGET_EVB_RK3399=y
 CONFIG_DEBUG_UART_BASE=0xFF1A0000
 CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_DEFAULT_DEVICE_TREE="rk3399-nanopi-r4s"
 CONFIG_DEBUG_UART=y
-CONFIG_SYS_LOAD_ADDR=0x800800
 CONFIG_DEFAULT_FDT_FILE="rockchip/rk3399-nanopi-r4s.dtb"
 CONFIG_DISPLAY_BOARDINFO_LATE=y
 # CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
@@ -27,6 +25,7 @@ CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_SYS_MMC_ENV_DEV=1
 CONFIG_ROCKCHIP_GPIO=y
 CONFIG_SYS_I2C_ROCKCHIP=y
 CONFIG_MMC_DW=y
@@ -40,7 +39,6 @@ CONFIG_PMIC_RK8XX=y
 CONFIG_REGULATOR_PWM=y
 CONFIG_REGULATOR_RK8XX=y
 CONFIG_PWM_ROCKCHIP=y
-CONFIG_RAM_RK3399_LPDDR4=y
 CONFIG_BAUDRATE=1500000
 CONFIG_DEBUG_UART_SHIFT=2
 CONFIG_SYSRESET=y
-- 
Armbian

