rockchip: Add initial support for the Pinebook Pro laptop from Pine64.

Specification:
- Rockchip RK3399
- 4GB Dual-Channel LPDDR4
- eMMC socket
- mSD card slot
- 128Mbit (16Mb) SPI Flash
- AP6256 for 11AC WiFi + BT5
- 14 inch 1920*1080 eDP MiPi display
- Camera
- USB 3.0, 2.0 ports
- Type-C port with alt-mode display (DP 1.2) and 15W charge
- DC 5V/3A
- optional PCIe slot for NVMe SSD drive

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
Tested-by: Vagrant Cascadian <vagrant@debian.org>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>

arch/arm/dts/rk3399-pinebook-pro-u-boot.dtsi

@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2019 Peter Robinson <pbrobinson at gmail.com>
+ */
+
+#include "rk3399-u-boot.dtsi"
+#include "rk3399-sdram-lpddr4-100.dtsi"
+
+/ {
+	aliases {
+		spi0 = &spi1;
+	};
+
+	chosen {
+		u-boot,spl-boot-order = "same-as-spl", &sdhci, &sdmmc;
+	};
+};
+
+&i2c0 {
+	u-boot,dm-pre-reloc;
+};
+
+&rk808 {
+	u-boot,dm-pre-reloc;
+};
+
+&sdhci {
+	max-frequency = <25000000>;
+	u-boot,dm-pre-reloc;
+};
+
+&sdmmc {
+	max-frequency = <20000000>;
+	u-boot,dm-pre-reloc;
+};
+
+&spiflash {
+	u-boot,dm-pre-reloc;
+};
+
+&vdd_log {
+	regulator-init-microvolt = <950000>;
+};

arch/arm/mach-rockchip/rk3399/Kconfig

@@ -19,6 +19,13 @@ config TARGET_EVB_RK3399
 	  with full function and physical connectors support like Type-C ports,
 	  USB.0 host ports, LVDS, JTAG, MAC, SD card, HDMI, USB-to-serial...
 
+config TARGET_PINEBOOK_PRO_RK3399
+	bool "Pinebook Pro"
+	help
+	  Pinebook Pro is a laptop based on the Rockchip rk3399 SoC
+	  with 4Gb RAM, onboard eMMC, USB-C, a USB3 and USB2 port,
+	  1920*1080 screen and all the usual laptop features.
+
 config TARGET_PUMA_RK3399
 	bool "Theobroma Systems RK3399-Q7 (Puma)"
 	help
@@ -144,6 +151,7 @@ endif # BOOTCOUNT_LIMIT
 
 source "board/firefly/roc-pc-rk3399/Kconfig"
 source "board/google/gru/Kconfig"
+source "board/pine64/pinebook-pro-rk3399/Kconfig"
 source "board/pine64/rockpro64_rk3399/Kconfig"
 source "board/rockchip/evb_rk3399/Kconfig"
 source "board/theobroma-systems/puma_rk3399/Kconfig"

board/pine64/pinebook-pro-rk3399/Kconfig

@@ -0,0 +1,15 @@
+if TARGET_PINEBOOK_PRO_RK3399
+
+config SYS_BOARD
+	default "pinebook-pro-rk3399"
+
+config SYS_VENDOR
+	default "pine64"
+
+config SYS_CONFIG_NAME
+	default "pinebook-pro-rk3399"
+
+config BOARD_SPECIFIC_OPTIONS
+	def_bool y
+
+endif

board/pine64/pinebook-pro-rk3399/MAINTAINERS

@@ -0,0 +1,8 @@
+PINEBOOK_PRO
+M:	Peter Robinson <pbrobinson@gmail.com>
+S:	Maintained
+F:	board/pine64/rk3399-pinebook-pro/
+F:	include/configs/rk3399-pinebook-pro.h
+F:	arch/arm/dts/rk3399-pinebook-pro.dts
+F:	arch/arm/dts/rk3399-pinebook-pro-u-boot.dtsi
+F:	configs/pinebook-pro-rk3399_defconfig

board/pine64/pinebook-pro-rk3399/Makefile

@@ -0,0 +1 @@
+obj-y	+= pinebook-pro-rk3399.o

board/pine64/pinebook-pro-rk3399/pinebook-pro-rk3399.c

@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2016 Rockchip Electronics Co., Ltd
+ * (C) Copyright 2020 Peter Robinson <pbrobinson at gmail.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <syscon.h>
+#include <asm/io.h>
+#include <asm/arch-rockchip/clock.h>
+#include <asm/arch-rockchip/grf_rk3399.h>
+#include <asm/arch-rockchip/hardware.h>
+#include <asm/arch-rockchip/misc.h>
+#include <power/regulator.h>
+
+#define GRF_IO_VSEL_BT565_SHIFT 0
+#define PMUGRF_CON0_VSEL_SHIFT 8
+
+#ifndef CONFIG_SPL_BUILD
+int board_early_init_f(void)
+{
+	struct udevice *regulator;
+	int ret;
+
+	ret = regulator_get_by_platname("vcc5v0_usb", &regulator);
+	if (ret) {
+		pr_debug("%s vcc5v0_usb init fail! ret %d\n", __func__, ret);
+		goto out;
+	}
+
+	ret = regulator_set_enable(regulator, true);
+	if (ret)
+		pr_debug("%s vcc5v0-host-en-gpio set fail! ret %d\n", __func__, ret);
+
+out:
+	return 0;
+}
+#endif
+
+#ifdef CONFIG_MISC_INIT_R
+static void setup_iodomain(void)
+{
+	struct rk3399_grf_regs *grf =
+	   syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
+	struct rk3399_pmugrf_regs *pmugrf =
+	   syscon_get_first_range(ROCKCHIP_SYSCON_PMUGRF);
+
+	/* BT565 is in 1.8v domain */
+	rk_setreg(&grf->io_vsel, 1 << GRF_IO_VSEL_BT565_SHIFT);
+
+	/* Set GPIO1 1.8v/3.0v source select to PMU1830_VOL */
+	rk_setreg(&pmugrf->soc_con0, 1 << PMUGRF_CON0_VSEL_SHIFT);
+}
+
+int misc_init_r(void)
+{
+	const u32 cpuid_offset = 0x7;
+	const u32 cpuid_length = 0x10;
+	u8 cpuid[cpuid_length];
+	int ret;
+
+	setup_iodomain();
+
+	ret = rockchip_cpuid_from_efuse(cpuid_offset, cpuid_length, cpuid);
+	if (ret)
+		return ret;
+
+	ret = rockchip_cpuid_set(cpuid, cpuid_length);
+	if (ret)
+		return ret;
+
+	return ret;
+}
+#endif

configs/pinebook-pro-rk3399_defconfig

@@ -0,0 +1,84 @@
+CONFIG_ARM=y
+CONFIG_ARCH_ROCKCHIP=y
+CONFIG_SYS_TEXT_BASE=0x00200000
+CONFIG_ENV_OFFSET=0x3F8000
+CONFIG_ROCKCHIP_RK3399=y
+CONFIG_RAM_RK3399_LPDDR4=y
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_TARGET_PINEBOOK_PRO_RK3399=y
+CONFIG_BAUDRATE=1500000
+CONFIG_DEBUG_UART=y
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_DEBUG_UART_BASE=0xFF1A0000
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_SPL_SPI_SUPPORT=y
+CONFIG_SPL_SPI_FLASH_SUPPORT=y
+CONFIG_SPL_MTD_SUPPORT=y
+CONFIG_DEFAULT_FDT_FILE="rockchip/rk3399-pinebook-pro.dtb"
+CONFIG_MISC_INIT_R=y
+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_SPL_OF_CONTROL=y
+CONFIG_DEFAULT_DEVICE_TREE="rk3399-pinebook-pro"
+CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_CMD_BOOTZ=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_MTDPARTS=y
+CONFIG_CMD_PMIC=y
+CONFIG_CMD_REGULATOR=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_SF=y
+CONFIG_CMD_TIME=y
+CONFIG_CMD_USB=y
+CONFIG_ROCKCHIP_GPIO=y
+CONFIG_SYS_I2C_ROCKCHIP=y
+CONFIG_BOOTDELAY=3
+CONFIG_LED=y
+CONFIG_LED_GPIO=y
+CONFIG_MISC=y
+CONFIG_ROCKCHIP_EFUSE=y
+CONFIG_MMC_DW=y
+CONFIG_MMC_DW_ROCKCHIP=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_SDMA=y
+CONFIG_MMC_SDHCI_ROCKCHIP=y
+CONFIG_ROCKCHIP_SPI=y
+CONFIG_SF_DEFAULT_SPEED=20000000
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_GIGADEVICE=y
+CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_DM_ETH=y
+CONFIG_PMIC_RK8XX=y
+CONFIG_DM_PMIC_FAN53555=y
+CONFIG_REGULATOR_PWM=y
+CONFIG_REGULATOR_RK8XX=y
+CONFIG_PWM_ROCKCHIP=y
+CONFIG_SYSRESET=y
+CONFIG_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_DWC3=y
+# CONFIG_USB_XHCI_ROCKCHIP is not set
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_GENERIC=y
+CONFIG_USB_DWC3=y
+CONFIG_ROCKCHIP_USB2_PHY=y
+CONFIG_USB_HOST_ETHER=y
+CONFIG_USB_ETHER_ASIX=y
+CONFIG_USB_ETHER_RTL8152=y
+CONFIG_USB_KEYBOARD=y
+CONFIG_USE_TINY_PRINTF=y
+CONFIG_SPL_TINY_MEMSET=y
+CONFIG_ERRNO_STR=y
+CONFIG_DM_VIDEO=y
+CONFIG_VIDEO_BPP16=y
+CONFIG_VIDEO_BPP32=y
+CONFIG_DISPLAY=y
+CONFIG_VIDEO_ROCKCHIP=y
+CONFIG_DISPLAY_ROCKCHIP_EDP=y

include/configs/pinebook-pro-rk3399.h

@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2016 Rockchip Electronics Co., Ltd
+ * Copyright (C) 2020 Peter Robinson <pbrobinson at gmail.com>
+ */
+
+#ifndef __PINEBOOK_PRO_RK3399_H
+#define __PINEBOOK_PRO_RK3399_H
+
+#define ROCKCHIP_DEVICE_SETTINGS \
+		"stdin=serial,usbkbd\0" \
+		"stdout=serial,vidconsole\0" \
+		"stderr=serial,vidconsole\0"
+
+#include <configs/rk3399_common.h>
+
+#if defined(CONFIG_ENV_IS_IN_MMC)
+#define CONFIG_SYS_MMC_ENV_DEV 0
+#elif defined(CONFIG_ENV_IS_IN_SPI_FLASH)
+#define CONFIG_ENV_SECT_SIZE		(8 * 1024)
+#endif
+
+#undef CONFIG_SYS_SPI_U_BOOT_OFFS
+#define CONFIG_SYS_SPI_U_BOOT_OFFS	1024 * 512
+
+#define SDRAM_BANK_SIZE			(2UL << 30)
+
+#endif