rockchip: rk3328: Add support for FriendlyARM NanoPi R2C

The NanoPi R2C is a minor variant of NanoPi R2S with the on-board NIC
chip changed from rtl8211e to yt8521s, and otherwise identical to R2S.

The device tree is taken from the kernel linux-next branch:
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=004589ff9df5b75672a78b6c3c4cba93202b14c9

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

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index c43d80443f3ce71650e9b9953c393dfe9e51d1cd..aa2cdfa874a28425249d4654238b09d043c18b79 100644 (file)
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -123,6 +123,7 @@ dtb-$(CONFIG_ROCKCHIP_RK3308) += \
 
 dtb-$(CONFIG_ROCKCHIP_RK3328) += \
        rk3328-evb.dtb \
+       rk3328-nanopi-r2c.dtb \
        rk3328-nanopi-r2s.dtb \
        rk3328-roc-cc.dtb \
        rk3328-rock64.dtb \

diff --git a/arch/arm/dts/rk3328-nanopi-r2c-u-boot.dtsi b/arch/arm/dts/rk3328-nanopi-r2c-u-boot.dtsi
new file mode 100644 (file)
index 0000000..2ab32cf
--- /dev/null
+++ b/arch/arm/dts/rk3328-nanopi-r2c-u-boot.dtsi
@@ -0,0 +1,3 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "rk3328-nanopi-r2s-u-boot.dtsi"

diff --git a/arch/arm/dts/rk3328-nanopi-r2c.dts b/arch/arm/dts/rk3328-nanopi-r2c.dts
new file mode 100644 (file)
index 0000000..a07a26b
--- /dev/null
+++ b/arch/arm/dts/rk3328-nanopi-r2c.dts
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright (c) 2021 FriendlyElec Computer Tech. Co., Ltd.
+ * (http://www.friendlyarm.com)
+ *
+ * Copyright (c) 2021-2023 Tianling Shen <cnsztl@gmail.com>
+ */
+
+/dts-v1/;
+#include "rk3328-nanopi-r2s.dts"
+
+/ {
+       model = "FriendlyElec NanoPi R2C";
+       compatible = "friendlyarm,nanopi-r2c", "rockchip,rk3328";
+};
+
+&gmac2io {
+       phy-handle = <&yt8521s>;
+       tx_delay = <0x22>;
+       rx_delay = <0x12>;
+
+       mdio {
+               /delete-node/ ethernet-phy@1;
+
+               yt8521s: ethernet-phy@3 {
+                       compatible = "ethernet-phy-ieee802.3-c22";
+                       reg = <3>;
+
+                       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 = <10000>;
+                       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 14fda46e8f2ed9260b33bacad54ffff0a8a4e599..3c46613ab5826a0a587289b36c3279a142b17c6e 100644 (file)
--- a/board/rockchip/evb_rk3328/MAINTAINERS
+++ b/board/rockchip/evb_rk3328/MAINTAINERS
@@ -5,6 +5,12 @@ F:      board/rockchip/evb_rk3328
 F:      include/configs/evb_rk3328.h
 F:      configs/evb-rk3328_defconfig
 
+NANOPI-R2C-RK3328
+M:      Tianling Shen <cnsztl@gmail.com>
+S:      Maintained
+F:      configs/nanopi-r2c-rk3328_defconfig
+F:      arch/arm/dts/rk3328-nanopi-r2c-u-boot.dtsi
+
 NANOPI-R2S-RK3328
 M:      David Bauer <mail@david-bauer.net>
 S:      Maintained

diff --git a/configs/nanopi-r2c-rk3328_defconfig b/configs/nanopi-r2c-rk3328_defconfig
new file mode 100644 (file)
index 0000000..1460ab3
--- /dev/null
+++ b/configs/nanopi-r2c-rk3328_defconfig
@@ -0,0 +1,112 @@
+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-nanopi-r2c"
+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-nanopi-r2c.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_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_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