rockchip: Add initial support for the PINE64 Pinephone Pro

The Pinephone Pro is another device by PINE64. It's closely related
to the Pinebook Pro of which this initial support is derived from.

Specification:
- A variant of the Rockchip RK3399
- A 6 inch 720*1440 DSI display
- Front and rear cameras
- Type-C interface with alt mode display (DP 1.2) and PD charging
- 4GB LPDDR4 RAM
- 128GB eMMC
- mSD card slot
- An AP6255 module for 802.11ac WiFi and Bluetooth 5
- Quectel EG25-G 4G/LTE modem

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

4 files changed, 100 insertions, 0 deletions

diff --git a/board/pine64/pinephone-pro-rk3399/Kconfig b/board/pine64/pinephone-pro-rk3399/Kconfig
new file mode 100644
index 0000000000..13d6465ae6
--- /dev/null
+++ b/board/pine64/pinephone-pro-rk3399/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_PINEPHONE_PRO_RK3399
+
+config SYS_BOARD
+	default "pinephone-pro-rk3399"
+
+config SYS_VENDOR
+	default "pine64"
+
+config SYS_CONFIG_NAME
+	default "pinephone-pro-rk3399"
+
+config BOARD_SPECIFIC_OPTIONS
+	def_bool y
+
+endif
diff --git a/board/pine64/pinephone-pro-rk3399/MAINTAINERS b/board/pine64/pinephone-pro-rk3399/MAINTAINERS
new file mode 100644
index 0000000000..c923ff1be3
--- /dev/null
+++ b/board/pine64/pinephone-pro-rk3399/MAINTAINERS
@@ -0,0 +1,8 @@
+PINEPHONE_PRO
+M:	Peter Robinson <pbrobinson@gmail.com>
+S:	Maintained
+F:	board/pine64/rk3399-pinephone-pro/
+F:	include/configs/rk3399-pinephone-pro.h
+F:	arch/arm/dts/rk3399-pinephone-pro.dts
+F:	arch/arm/dts/rk3399-pinephone-pro-u-boot.dtsi
+F:	configs/pinephone-pro-rk3399_defconfig
diff --git a/board/pine64/pinephone-pro-rk3399/Makefile b/board/pine64/pinephone-pro-rk3399/Makefile
new file mode 100644
index 0000000000..8d9203053e
--- /dev/null
+++ b/board/pine64/pinephone-pro-rk3399/Makefile
@@ -0,0 +1 @@
+obj-y	+= pinephone-pro-rk3399.o
diff --git a/board/pine64/pinephone-pro-rk3399/pinephone-pro-rk3399.c b/board/pine64/pinephone-pro-rk3399/pinephone-pro-rk3399.c
new file mode 100644
index 0000000000..eb639cd0d0
--- /dev/null
+++ b/board/pine64/pinephone-pro-rk3399/pinephone-pro-rk3399.c
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2016 Rockchip Electronics Co., Ltd
+ * (C) Copyright 2022 Peter Robinson <pbrobinson at gmail.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <init.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