rockchip: add NanoPi R4S support
Hardware
--------
RockChip RK3399 ARM64 (6 cores)
4GB LPDDR4 RAM
2x 1000 Base-T
3 LEDs (LAN / WAN / SYS)
1 Button (Reset)
Micro-SD slot
2x USB 3.0 Port
Installation
------------
Uncompress the OpenWrt sysupgrade and write it to a micro SD card using
dd.
=====================================
NOTICE FOR USERS WHO USE 1GB VERSION:
BY NOW IT IS NOT SUPPORTED
====================================
[initialed target]
Co-developed-by: Marty Jones <mj8263788@gmail.com>
Signed-off-by: Marty Jones <mj8263788@gmail.com>
[fixed bootscript]
Co-developed-by: Jayantajit Gogoi <jayanta.gogoi525@gmail.com>
Signed-off-by: Jayantajit Gogoi <jayanta.gogoi525@gmail.com>
Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
This commit is contained in:
Tianling Shen
committed by
David Bauer
David Bauer
parent
52dc7995f7
commit
b721579842
@@ -4,7 +4,7 @@ include $(TOPDIR)/rules.mk
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BOARD:=rockchip
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BOARD:=rockchip
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BOARDNAME:=Rockchip
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BOARDNAME:=Rockchip
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FEATURES:=ext4 audio usb usbgadget display gpio fpu rootfs-part boot-part squashfs
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FEATURES:=ext4 audio usb usbgadget display gpio fpu pci pcie rootfs-part boot-part squashfs
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SUBTARGETS:=armv8
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SUBTARGETS:=armv8
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KERNEL_PATCHVER=5.4
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KERNEL_PATCHVER=5.4
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@@ -12,6 +12,10 @@ friendlyarm,nanopi-r2s)
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ucidef_set_led_netdev "wan" "WAN" "$boardname:green:wan" "eth0"
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ucidef_set_led_netdev "wan" "WAN" "$boardname:green:wan" "eth0"
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ucidef_set_led_netdev "lan" "LAN" "$boardname:green:lan" "eth1"
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ucidef_set_led_netdev "lan" "LAN" "$boardname:green:lan" "eth1"
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;;
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;;
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friendlyarm,nanopi-r4s)
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ucidef_set_led_netdev "wan" "WAN" "green:wan" "eth0"
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ucidef_set_led_netdev "lan" "LAN" "green:lan" "eth1"
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;;
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esac
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esac
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board_config_flush
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board_config_flush
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@@ -7,7 +7,8 @@ rockchip_setup_interfaces()
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local board="$1"
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local board="$1"
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case "$board" in
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case "$board" in
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friendlyarm,nanopi-r2s)
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friendlyarm,nanopi-r2s|\
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friendlyarm,nanopi-r4s)
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ucidef_set_interfaces_lan_wan 'eth1' 'eth0'
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ucidef_set_interfaces_lan_wan 'eth1' 'eth0'
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;;
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;;
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*)
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*)
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@@ -35,6 +36,10 @@ rockchip_setup_macs()
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wan_mac=$(nanopi_r2s_generate_mac)
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wan_mac=$(nanopi_r2s_generate_mac)
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lan_mac=$(macaddr_add "$wan_mac" 1)
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lan_mac=$(macaddr_add "$wan_mac" 1)
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;;
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;;
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friendlyarm,nanopi-r4s)
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wan_mac=$(get_mac_binary "/sys/bus/i2c/devices/2-0051/eeprom" 0xfa)
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lan_mac=$(macaddr_setbit_la "$wan_mac")
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;;
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esac
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esac
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[ -n "$lan_mac" ] && ucidef_set_interface_macaddr "lan" $lan_mac
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[ -n "$lan_mac" ] && ucidef_set_interface_macaddr "lan" $lan_mac
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@@ -26,5 +26,9 @@ friendlyarm,nanopi-r2s)
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set_interface_core 2 "eth0"
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set_interface_core 2 "eth0"
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set_interface_core 4 "eth1" "xhci-hcd:usb3"
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set_interface_core 4 "eth1" "xhci-hcd:usb3"
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;;
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;;
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friendlyarm,nanopi-r4s)
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set_interface_core 10 "eth0"
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set_interface_core 20 "eth1"
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;;
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esac
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esac
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@@ -197,6 +197,7 @@ CONFIG_DWMAC_DWC_QOS_ETH=y
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CONFIG_DWMAC_GENERIC=y
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CONFIG_DWMAC_GENERIC=y
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CONFIG_DWMAC_ROCKCHIP=y
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CONFIG_DWMAC_ROCKCHIP=y
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CONFIG_EDAC_SUPPORT=y
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CONFIG_EDAC_SUPPORT=y
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CONFIG_EEPROM_AT24=y
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CONFIG_EMAC_ROCKCHIP=y
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CONFIG_EMAC_ROCKCHIP=y
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CONFIG_ENABLE_MUST_CHECK=y
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CONFIG_ENABLE_MUST_CHECK=y
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CONFIG_ENERGY_MODEL=y
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CONFIG_ENERGY_MODEL=y
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@@ -182,6 +182,7 @@ CONFIG_DWMAC_DWC_QOS_ETH=y
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CONFIG_DWMAC_GENERIC=y
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CONFIG_DWMAC_GENERIC=y
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CONFIG_DWMAC_ROCKCHIP=y
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CONFIG_DWMAC_ROCKCHIP=y
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CONFIG_EDAC_SUPPORT=y
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CONFIG_EDAC_SUPPORT=y
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CONFIG_EEPROM_AT24=y
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CONFIG_EMAC_ROCKCHIP=y
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CONFIG_EMAC_ROCKCHIP=y
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CONFIG_ENABLE_MUST_CHECK=y
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CONFIG_ENABLE_MUST_CHECK=y
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CONFIG_ENERGY_MODEL=y
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CONFIG_ENERGY_MODEL=y
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@@ -12,6 +12,17 @@ define Device/friendlyarm_nanopi-r2s
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endef
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endef
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TARGET_DEVICES += friendlyarm_nanopi-r2s
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TARGET_DEVICES += friendlyarm_nanopi-r2s
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define Device/friendlyarm_nanopi-r4s
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DEVICE_VENDOR := FriendlyARM
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DEVICE_MODEL := NanoPi R4S
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DEVICE_VARIANT := 4GB LPDDR4
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SOC := rk3399
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UBOOT_DEVICE_NAME := nanopi-r4s-rk3399
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IMAGE/sysupgrade.img.gz := boot-common | boot-script nanopi-r4s | pine64-img | gzip | append-metadata
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DEVICE_PACKAGES := kmod-r8169
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endef
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TARGET_DEVICES += friendlyarm_nanopi-r4s
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define Device/pine64_rockpro64
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define Device/pine64_rockpro64
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DEVICE_VENDOR := Pine64
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DEVICE_VENDOR := Pine64
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DEVICE_MODEL := RockPro64
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DEVICE_MODEL := RockPro64
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8
target/linux/rockchip/image/nanopi-r4s.bootscript
Normal file
8
target/linux/rockchip/image/nanopi-r4s.bootscript
Normal file
@@ -0,0 +1,8 @@
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part uuid mmc ${devnum}:2 uuid
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setenv bootargs "console=ttyS2,1500000 earlycon=uart8250,mmio32,0xff1a0000 root=PARTUUID=${uuid} rw rootwait"
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load mmc ${devnum}:1 ${fdt_addr_r} rockchip.dtb
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load mmc ${devnum}:1 ${kernel_addr_r} kernel.img
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booti ${kernel_addr_r} - ${fdt_addr_r}
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@@ -0,0 +1,177 @@
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From db792e9adbf85ffc9d6b0b060ac3c8e3148c8992 Mon Sep 17 00:00:00 2001
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From: Tianling Shen <cnsztl@gmail.com>
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Date: Fri, 19 Mar 2021 13:16:27 +0800
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Subject: [PATCH] rockchip: rk3399: Add support for FriendlyARM NanoPi R4S
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This adds support for the NanoPi R4S from FriendlyArm.
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Rockchip RK3399 SoC
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1GB DDR3 or 4GB LPDDR4 RAM
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Gigabit Ethernet (WAN)
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Gigabit Ethernet (PCIe) (LAN)
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USB 3.0 Port x 2
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MicroSD slot
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Reset button
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WAN - LAN - SYS LED
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Co-developed-by: Jensen Huang <jensenhuang@friendlyarm.com>
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Signed-off-by: Jensen Huang <jensenhuang@friendlyarm.com>
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[minor adjustments]
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Co-developed-by: Marty Jones <mj8263788@gmail.com>
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Signed-off-by: Marty Jones <mj8263788@gmail.com>
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[further adjustments, fixed format issues]
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Signed-off-by: Tianling Shen <cnsztl@gmail.com>
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Link: https://lore.kernel.org/r/20210319051627.814-2-cnsztl@gmail.com
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Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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---
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arch/arm64/boot/dts/rockchip/Makefile | 1 +
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.../boot/dts/rockchip/rk3399-nanopi-r4s.dts | 133 +++++++++++++++++++++
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2 files changed, 134 insertions(+)
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create mode 100644 arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
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--- a/arch/arm64/boot/dts/rockchip/Makefile
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+++ b/arch/arm64/boot/dts/rockchip/Makefile
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@@ -30,6 +30,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-le
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dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-nanopc-t4.dtb
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dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-nanopi-m4.dtb
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dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-nanopi-neo4.dtb
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+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-nanopi-r4s.dtb
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dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-orangepi.dtb
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dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-pinebook-pro.dtb
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dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-puma-haikou.dtb
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--- /dev/null
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+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
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@@ -0,0 +1,133 @@
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+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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+/*
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+ * FriendlyElec NanoPC-T4 board device tree source
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+ *
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+ * Copyright (c) 2020 FriendlyElec Computer Tech. Co., Ltd.
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+ * (http://www.friendlyarm.com)
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+ *
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+ * Copyright (c) 2018 Collabora Ltd.
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+ *
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+ * Copyright (c) 2020 Jensen Huang <jensenhuang@friendlyarm.com>
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+ * Copyright (c) 2020 Marty Jones <mj8263788@gmail.com>
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+ * Copyright (c) 2021 Tianling Shen <cnsztl@gmail.com>
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+ */
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+
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+/dts-v1/;
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+#include "rk3399-nanopi4.dtsi"
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+
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+/ {
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+ model = "FriendlyElec NanoPi R4S";
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+ compatible = "friendlyarm,nanopi-r4s", "rockchip,rk3399";
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+
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+ /delete-node/ display-subsystem;
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+
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+ gpio-leds {
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+ pinctrl-0 = <&lan_led_pin>, <&sys_led_pin>, <&wan_led_pin>;
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+
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+ /delete-node/ led-0;
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+
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+ lan_led: led-lan {
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+ gpios = <&gpio1 RK_PA1 GPIO_ACTIVE_HIGH>;
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+ label = "green:lan";
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+ };
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+
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+ sys_led: led-sys {
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+ gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>;
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+ label = "red:sys";
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+ default-state = "on";
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+ };
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+
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+ wan_led: led-wan {
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+ gpios = <&gpio1 RK_PA0 GPIO_ACTIVE_HIGH>;
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+ label = "green:wan";
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+ };
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+ };
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+
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+ gpio-keys {
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+ pinctrl-0 = <&reset_button_pin>;
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+
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+ /delete-node/ power;
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+
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+ reset {
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+ debounce-interval = <50>;
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+ gpios = <&gpio1 RK_PC6 GPIO_ACTIVE_LOW>;
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+ label = "reset";
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+ linux,code = <KEY_RESTART>;
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+ };
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+ };
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+
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+ vdd_5v: vdd-5v {
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+ compatible = "regulator-fixed";
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+ regulator-name = "vdd_5v";
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+ regulator-always-on;
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+ regulator-boot-on;
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+ };
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+};
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+
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+&emmc_phy {
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+ status = "disabled";
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+};
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+
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+&i2c4 {
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+ status = "disabled";
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+};
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+
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+&pcie0 {
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+ max-link-speed = <1>;
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+ num-lanes = <1>;
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+ vpcie3v3-supply = <&vcc3v3_sys>;
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+};
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+
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+&pinctrl {
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+ gpio-leds {
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+ /delete-node/ status-led-pin;
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+
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+ lan_led_pin: lan-led-pin {
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+ rockchip,pins = <1 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>;
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+ };
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+
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+ sys_led_pin: sys-led-pin {
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+ rockchip,pins = <0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
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+ };
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+
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+ wan_led_pin: wan-led-pin {
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+ rockchip,pins = <1 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>;
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+ };
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+ };
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+
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+ rockchip-key {
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+ /delete-node/ power-key;
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+
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+ reset_button_pin: reset-button-pin {
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+ rockchip,pins = <1 RK_PC6 RK_FUNC_GPIO &pcfg_pull_up>;
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+ };
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+ };
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+};
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+
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+&sdhci {
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+ status = "disabled";
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+};
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+
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+&sdio0 {
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+ status = "disabled";
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+};
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+
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+&u2phy0_host {
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+ phy-supply = <&vdd_5v>;
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+};
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+
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+&u2phy1_host {
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+ status = "disabled";
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+};
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+
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+&uart0 {
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+ status = "disabled";
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+};
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+
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+&usbdrd_dwc3_0 {
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+ dr_mode = "host";
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+};
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+
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+&vcc3v3_sys {
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+ vin-supply = <&vcc5v0_sys>;
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+};
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@@ -0,0 +1,31 @@
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From af20b3384e8723077cc6484160b0cf4e9be321de Mon Sep 17 00:00:00 2001
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From: Tianling Shen <cnsztl@gmail.com>
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Date: Mon, 7 Jun 2021 15:45:37 +0800
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Subject: [PATCH] arm64: dts: rockchip: add EEPROM node for NanoPi R4S
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NanoPi R4S has a EEPROM attached to the 2nd I2C bus (U92), which
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stores the MAC address.
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Signed-off-by: Tianling Shen <cnsztl@gmail.com>
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---
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arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts | 9 +++++++++
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1 file changed, 9 insertions(+)
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--- a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
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+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
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@@ -68,6 +68,15 @@
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status = "disabled";
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};
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+&i2c2 {
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+ eeprom@51 {
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+ compatible = "microchip,24c02", "atmel,24c02";
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+ reg = <0x51>;
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+ pagesize = <16>;
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+ read-only; /* This holds our MAC */
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+ };
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+};
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+
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&i2c4 {
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status = "disabled";
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};
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@@ -0,0 +1,177 @@
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From db792e9adbf85ffc9d6b0b060ac3c8e3148c8992 Mon Sep 17 00:00:00 2001
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From: Tianling Shen <cnsztl@gmail.com>
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Date: Fri, 19 Mar 2021 13:16:27 +0800
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Subject: [PATCH] rockchip: rk3399: Add support for FriendlyARM NanoPi R4S
|
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|
|
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This adds support for the NanoPi R4S from FriendlyArm.
|
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|
|
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Rockchip RK3399 SoC
|
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1GB DDR3 or 4GB LPDDR4 RAM
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Gigabit Ethernet (WAN)
|
||||||
|
Gigabit Ethernet (PCIe) (LAN)
|
||||||
|
USB 3.0 Port x 2
|
||||||
|
MicroSD slot
|
||||||
|
Reset button
|
||||||
|
WAN - LAN - SYS LED
|
||||||
|
|
||||||
|
Co-developed-by: Jensen Huang <jensenhuang@friendlyarm.com>
|
||||||
|
Signed-off-by: Jensen Huang <jensenhuang@friendlyarm.com>
|
||||||
|
[minor adjustments]
|
||||||
|
Co-developed-by: Marty Jones <mj8263788@gmail.com>
|
||||||
|
Signed-off-by: Marty Jones <mj8263788@gmail.com>
|
||||||
|
[further adjustments, fixed format issues]
|
||||||
|
Signed-off-by: Tianling Shen <cnsztl@gmail.com>
|
||||||
|
Link: https://lore.kernel.org/r/20210319051627.814-2-cnsztl@gmail.com
|
||||||
|
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
|
||||||
|
---
|
||||||
|
arch/arm64/boot/dts/rockchip/Makefile | 1 +
|
||||||
|
.../boot/dts/rockchip/rk3399-nanopi-r4s.dts | 133 +++++++++++++++++++++
|
||||||
|
2 files changed, 134 insertions(+)
|
||||||
|
create mode 100644 arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
|
||||||
|
|
||||||
|
--- a/arch/arm64/boot/dts/rockchip/Makefile
|
||||||
|
+++ b/arch/arm64/boot/dts/rockchip/Makefile
|
||||||
|
@@ -25,6 +25,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-le
|
||||||
|
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-nanopc-t4.dtb
|
||||||
|
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-nanopi-m4.dtb
|
||||||
|
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-nanopi-neo4.dtb
|
||||||
|
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-nanopi-r4s.dtb
|
||||||
|
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-orangepi.dtb
|
||||||
|
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-puma-haikou.dtb
|
||||||
|
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-roc-pc.dtb
|
||||||
|
--- /dev/null
|
||||||
|
+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
|
||||||
|
@@ -0,0 +1,133 @@
|
||||||
|
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
|
||||||
|
+/*
|
||||||
|
+ * FriendlyElec NanoPC-T4 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>
|
||||||
|
+ */
|
||||||
|
+
|
||||||
|
+/dts-v1/;
|
||||||
|
+#include "rk3399-nanopi4.dtsi"
|
||||||
|
+
|
||||||
|
+/ {
|
||||||
|
+ model = "FriendlyElec NanoPi R4S";
|
||||||
|
+ compatible = "friendlyarm,nanopi-r4s", "rockchip,rk3399";
|
||||||
|
+
|
||||||
|
+ /delete-node/ display-subsystem;
|
||||||
|
+
|
||||||
|
+ gpio-leds {
|
||||||
|
+ pinctrl-0 = <&lan_led_pin>, <&sys_led_pin>, <&wan_led_pin>;
|
||||||
|
+
|
||||||
|
+ /delete-node/ status;
|
||||||
|
+
|
||||||
|
+ lan_led: led-lan {
|
||||||
|
+ gpios = <&gpio1 RK_PA1 GPIO_ACTIVE_HIGH>;
|
||||||
|
+ label = "green:lan";
|
||||||
|
+ };
|
||||||
|
+
|
||||||
|
+ sys_led: led-sys {
|
||||||
|
+ gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>;
|
||||||
|
+ label = "red:sys";
|
||||||
|
+ default-state = "on";
|
||||||
|
+ };
|
||||||
|
+
|
||||||
|
+ wan_led: led-wan {
|
||||||
|
+ gpios = <&gpio1 RK_PA0 GPIO_ACTIVE_HIGH>;
|
||||||
|
+ label = "green:wan";
|
||||||
|
+ };
|
||||||
|
+ };
|
||||||
|
+
|
||||||
|
+ 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>;
|
||||||
|
+ };
|
||||||
|
+ };
|
||||||
|
+
|
||||||
|
+ vdd_5v: vdd-5v {
|
||||||
|
+ compatible = "regulator-fixed";
|
||||||
|
+ regulator-name = "vdd_5v";
|
||||||
|
+ regulator-always-on;
|
||||||
|
+ regulator-boot-on;
|
||||||
|
+ };
|
||||||
|
+};
|
||||||
|
+
|
||||||
|
+&emmc_phy {
|
||||||
|
+ status = "disabled";
|
||||||
|
+};
|
||||||
|
+
|
||||||
|
+&i2c4 {
|
||||||
|
+ status = "disabled";
|
||||||
|
+};
|
||||||
|
+
|
||||||
|
+&pcie0 {
|
||||||
|
+ max-link-speed = <1>;
|
||||||
|
+ num-lanes = <1>;
|
||||||
|
+ vpcie3v3-supply = <&vcc3v3_sys>;
|
||||||
|
+};
|
||||||
|
+
|
||||||
|
+&pinctrl {
|
||||||
|
+ gpio-leds {
|
||||||
|
+ /delete-node/ leds-gpio;
|
||||||
|
+
|
||||||
|
+ 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";
|
||||||
|
+};
|
||||||
|
+
|
||||||
|
+&sdio0 {
|
||||||
|
+ status = "disabled";
|
||||||
|
+};
|
||||||
|
+
|
||||||
|
+&u2phy0_host {
|
||||||
|
+ phy-supply = <&vdd_5v>;
|
||||||
|
+};
|
||||||
|
+
|
||||||
|
+&u2phy1_host {
|
||||||
|
+ status = "disabled";
|
||||||
|
+};
|
||||||
|
+
|
||||||
|
+&uart0 {
|
||||||
|
+ status = "disabled";
|
||||||
|
+};
|
||||||
|
+
|
||||||
|
+&usbdrd_dwc3_0 {
|
||||||
|
+ dr_mode = "host";
|
||||||
|
+};
|
||||||
|
+
|
||||||
|
+&vcc3v3_sys {
|
||||||
|
+ vin-supply = <&vcc5v0_sys>;
|
||||||
|
+};
|
||||||
@@ -0,0 +1,31 @@
|
|||||||
|
From af20b3384e8723077cc6484160b0cf4e9be321de Mon Sep 17 00:00:00 2001
|
||||||
|
From: Tianling Shen <cnsztl@gmail.com>
|
||||||
|
Date: Mon, 7 Jun 2021 15:45:37 +0800
|
||||||
|
Subject: [PATCH] arm64: dts: rockchip: add EEPROM node for NanoPi R4S
|
||||||
|
|
||||||
|
NanoPi R4S has a EEPROM attached to the 2nd I2C bus (U92), which
|
||||||
|
stores the MAC address.
|
||||||
|
|
||||||
|
Signed-off-by: Tianling Shen <cnsztl@gmail.com>
|
||||||
|
---
|
||||||
|
arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts | 9 +++++++++
|
||||||
|
1 file changed, 9 insertions(+)
|
||||||
|
|
||||||
|
--- a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
|
||||||
|
+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
|
||||||
|
@@ -68,6 +68,15 @@
|
||||||
|
status = "disabled";
|
||||||
|
};
|
||||||
|
|
||||||
|
+&i2c2 {
|
||||||
|
+ eeprom@51 {
|
||||||
|
+ compatible = "microchip,24c02", "atmel,24c02";
|
||||||
|
+ reg = <0x51>;
|
||||||
|
+ pagesize = <16>;
|
||||||
|
+ read-only; /* This holds our MAC */
|
||||||
|
+ };
|
||||||
|
+};
|
||||||
|
+
|
||||||
|
&i2c4 {
|
||||||
|
status = "disabled";
|
||||||
|
};
|
||||||
Reference in New Issue
Block a user