rockchip: rk3328: Add support for Orange Pi R1 Plus LTS

The OrangePi R1 Plus LTS is a minor variant of OrangePi R1 Plus with
the on-board NIC chip changed from rtl8211e to yt8531c, and RAM type
changed from DDR4 to LPDDR3.

The device tree is taken from kernel v6.4-rc1.

Signed-off-by: Tianling Shen <cnsztl@gmail.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

5 files changed, 207 insertions, 0 deletions

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 0cd2c86fdb..abb700e8a2 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -126,6 +126,7 @@ dtb-$(CONFIG_ROCKCHIP_RK3328) += \
 	rk3328-nanopi-r2c.dtb \
 	rk3328-nanopi-r2s.dtb \
 	rk3328-orangepi-r1-plus.dtb \
+	rk3328-orangepi-r1-plus-lts.dtb \
 	rk3328-roc-cc.dtb \
 	rk3328-rock64.dtb \
 	rk3328-rock-pi-e.dtb
diff --git a/arch/arm/dts/rk3328-orangepi-r1-plus-lts-u-boot.dtsi b/arch/arm/dts/rk3328-orangepi-r1-plus-lts-u-boot.dtsi
new file mode 100644
index 0000000000..ebe33e48cb
--- /dev/null
+++ b/arch/arm/dts/rk3328-orangepi-r1-plus-lts-u-boot.dtsi
@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * (C) Copyright 2018-2019 Rockchip Electronics Co., Ltd
+ * (C) Copyright 2020 David Bauer
+ */
+
+#include "rk3328-u-boot.dtsi"
+#include "rk3328-sdram-lpddr3-666.dtsi"
+/ {
+	chosen {
+		u-boot,spl-boot-order = "same-as-spl", &sdmmc, &emmc;
+	};
+};
+
+&gpio0 {
+	bootph-pre-ram;
+};
+
+&pinctrl {
+	bootph-pre-ram;
+};
+
+&sdmmc0m1_pin {
+	bootph-pre-ram;
+};
+
+&pcfg_pull_up_4ma {
+	bootph-pre-ram;
+};
+
+/* Need this and all the pinctrl/gpio stuff above to set pinmux */
+&vcc_sd {
+	bootph-pre-ram;
+};
+
+&gmac2io {
+	snps,reset-gpio = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>;
+	snps,reset-active-low;
+	snps,reset-delays-us = <0 10000 50000>;
+};
+
+&spi0 {
+	spi_flash: spiflash@0 {
+		bootph-all;
+	};
+};
diff --git a/arch/arm/dts/rk3328-orangepi-r1-plus-lts.dts b/arch/arm/dts/rk3328-orangepi-r1-plus-lts.dts
new file mode 100644
index 0000000000..5d7d567283
--- /dev/null
+++ b/arch/arm/dts/rk3328-orangepi-r1-plus-lts.dts
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright (c) 2016 Xunlong Software. Co., Ltd.
+ * (http://www.orangepi.org)
+ *
+ * Copyright (c) 2021-2023 Tianling Shen <cnsztl@gmail.com>
+ */
+
+/dts-v1/;
+#include "rk3328-orangepi-r1-plus.dts"
+
+/ {
+	model = "Xunlong Orange Pi R1 Plus LTS";
+	compatible = "xunlong,orangepi-r1-plus-lts", "rockchip,rk3328";
+};
+
+&gmac2io {
+	phy-handle = <&yt8531c>;
+	tx_delay = <0x19>;
+	rx_delay = <0x05>;
+
+	mdio {
+		/delete-node/ ethernet-phy@1;
+
+		yt8531c: ethernet-phy@0 {
+			compatible = "ethernet-phy-ieee802.3-c22";
+			reg = <0>;
+
+			motorcomm,clk-out-frequency-hz = <125000000>;
+			motorcomm,keep-pll-enabled;
+			motorcomm,auto-sleep-disabled;
+
+			pinctrl-0 = <&eth_phy_reset_pin>;
+			pinctrl-names = "default";
+			reset-assert-us = <15000>;
+			reset-deassert-us = <50000>;
+			reset-gpios = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>;
+		};
+	};
+};
diff --git a/board/rockchip/evb_rk3328/MAINTAINERS b/board/rockchip/evb_rk3328/MAINTAINERS
index 91dc6b58cf..8a19eb373d 100644
--- a/board/rockchip/evb_rk3328/MAINTAINERS
+++ b/board/rockchip/evb_rk3328/MAINTAINERS
@@ -24,6 +24,12 @@ S:      Maintained
 F:      configs/orangepi-r1-plus-rk3328_defconfig
 F:      arch/arm/dts/rk3328-orangepi-r1-plus-u-boot.dtsi
 
+ORANGEPI-R1-PLUS-LTS-RK3328
+M:      Tianling Shen <cnsztl@gmail.com>
+S:      Maintained
+F:      configs/orangepi-r1-plus-lts-rk3328_defconfig
+F:      arch/arm/dts/rk3328-orangepi-r1-plus-lts-u-boot.dtsi
+
 ROC-RK3328-CC
 M:      Loic Devulder <ldevulder@suse.com>
 M:      Chen-Yu Tsai <wens@csie.org>
diff --git a/configs/orangepi-r1-plus-lts-rk3328_defconfig b/configs/orangepi-r1-plus-lts-rk3328_defconfig
new file mode 100644
index 0000000000..59a28e5209
--- /dev/null
+++ b/configs/orangepi-r1-plus-lts-rk3328_defconfig
@@ -0,0 +1,114 @@
+CONFIG_ARM=y
+CONFIG_SKIP_LOWLEVEL_INIT=y
+CONFIG_COUNTER_FREQUENCY=24000000
+CONFIG_ARCH_ROCKCHIP=y
+CONFIG_TEXT_BASE=0x00200000
+CONFIG_SPL_GPIO=y
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
+CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x300000
+CONFIG_ENV_OFFSET=0x3F8000
+CONFIG_DEFAULT_DEVICE_TREE="rk3328-orangepi-r1-plus-lts"
+CONFIG_DM_RESET=y
+CONFIG_ROCKCHIP_RK3328=y
+CONFIG_TPL_ROCKCHIP_COMMON_BOARD=y
+CONFIG_TPL_LIBCOMMON_SUPPORT=y
+CONFIG_TPL_LIBGENERIC_SUPPORT=y
+CONFIG_SPL_DRIVERS_MISC=y
+CONFIG_SPL_STACK_R_ADDR=0x600000
+CONFIG_SPL_STACK=0x400000
+CONFIG_TPL_SYS_MALLOC_F_LEN=0x800
+CONFIG_DEBUG_UART_BASE=0xFF130000
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_SYS_LOAD_ADDR=0x800800
+CONFIG_DEBUG_UART=y
+# CONFIG_ANDROID_BOOT_IMAGE is not set
+CONFIG_FIT=y
+CONFIG_FIT_VERBOSE=y
+CONFIG_SPL_LOAD_FIT=y
+CONFIG_DEFAULT_FDT_FILE="rockchip/rk3328-orangepi-r1-plus-lts.dtb"
+# CONFIG_DISPLAY_CPUINFO is not set
+CONFIG_DISPLAY_BOARDINFO_LATE=y
+CONFIG_MISC_INIT_R=y
+CONFIG_SPL_MAX_SIZE=0x40000
+CONFIG_SPL_PAD_TO=0x7f8000
+CONFIG_SPL_HAS_BSS_LINKER_SECTION=y
+CONFIG_SPL_BSS_START_ADDR=0x2000000
+CONFIG_SPL_BSS_MAX_SIZE=0x2000
+# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
+# CONFIG_SPL_SHARES_INIT_SP_ADDR is not set
+CONFIG_SPL_STACK_R=y
+CONFIG_SPL_I2C=y
+CONFIG_SPL_POWER=y
+CONFIG_SPL_ATF=y
+CONFIG_SPL_ATF_NO_PLATFORM_PARAM=y
+CONFIG_TPL_SYS_MALLOC_SIMPLE=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_TPL_OF_CONTROL=y
+CONFIG_OF_SPL_REMOVE_PROPS="clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
+CONFIG_TPL_OF_PLATDATA=y
+CONFIG_ENV_IS_IN_MMC=y
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_SYS_MMC_ENV_DEV=1
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_TPL_DM=y
+CONFIG_REGMAP=y
+CONFIG_SPL_REGMAP=y
+CONFIG_TPL_REGMAP=y
+CONFIG_SYSCON=y
+CONFIG_SPL_SYSCON=y
+CONFIG_TPL_SYSCON=y
+CONFIG_CLK=y
+CONFIG_SPL_CLK=y
+CONFIG_FASTBOOT_BUF_ADDR=0x800800
+CONFIG_FASTBOOT_CMD_OEM_FORMAT=y
+CONFIG_ROCKCHIP_GPIO=y
+CONFIG_SYS_I2C_ROCKCHIP=y
+CONFIG_MMC_DW=y
+CONFIG_MMC_DW_ROCKCHIP=y
+CONFIG_SF_DEFAULT_SPEED=20000000
+CONFIG_SPI_FLASH_GIGADEVICE=y
+CONFIG_ETH_DESIGNWARE=y
+CONFIG_GMAC_ROCKCHIP=y
+CONFIG_PINCTRL=y
+CONFIG_SPL_PINCTRL=y
+CONFIG_DM_PMIC=y
+CONFIG_PMIC_RK8XX=y
+CONFIG_SPL_PMIC_RK8XX=y
+CONFIG_SPL_DM_REGULATOR=y
+CONFIG_REGULATOR_PWM=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_SPL_DM_REGULATOR_FIXED=y
+CONFIG_REGULATOR_RK8XX=y
+CONFIG_PWM_ROCKCHIP=y
+CONFIG_RAM=y
+CONFIG_SPL_RAM=y
+CONFIG_TPL_RAM=y
+CONFIG_BAUDRATE=1500000
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_SYS_NS16550_MEM32=y
+CONFIG_ROCKCHIP_SPI=y
+CONFIG_SYSINFO=y
+CONFIG_SYSRESET=y
+# CONFIG_TPL_SYSRESET is not set
+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_OHCI_HCD=y
+CONFIG_USB_OHCI_GENERIC=y
+CONFIG_USB_DWC2=y
+CONFIG_USB_DWC3=y
+# CONFIG_USB_DWC3_GADGET is not set
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_DWC2_OTG=y
+CONFIG_SPL_TINY_MEMSET=y
+CONFIG_TPL_TINY_MEMSET=y
+CONFIG_ERRNO_STR=y