[PATCH v4 4/4] arm64: dts: rockchip: rk3399: Add NanoPi M4B
From: Chen-Yu Tsai <wens@kernel.org>
Date: 2021-01-21 16:29:20
Also in:
linux-devicetree, linux-pci, linux-rockchip, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Chen-Yu Tsai <redacted>
The NanoPi M4B is a minor revision of the original M4.
The differences against the original Nanopi M4 that are common with the
other M4V2 revision include:
- microphone header removed
- power button added
- recovery button added
Additional changes specific to the M4B:
- USB 3.0 hub removed; board now has 2x USB 3.0 type-A ports and 2x
USB 2.0 ports
- ADB toggle switch added; this changes the top USB 3.0 host port to
a peripheral port
- Type-C port no longer supports data or PD
- WiFi/Bluetooth combo chip switched to AP6256, which supports BT 5.0
but only 1T1R (down from 2T2R) for WiFi
Add a new dts file for the new board revision that shows the difference
against the original.
Signed-off-by: Chen-Yu Tsai <redacted>
---
arch/arm64/boot/dts/rockchip/Makefile | 1 +
.../boot/dts/rockchip/rk3399-nanopi-m4b.dts | 52 +++++++++++++++++++
2 files changed, 53 insertions(+)
create mode 100644 arch/arm64/boot/dts/rockchip/rk3399-nanopi-m4b.dts
diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index b29a445b355a..62d3abc17a24 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile@@ -34,6 +34,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-kobol-helios64.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-leez-p710.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-nanopc-t4.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-nanopi-m4.dtb +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-nanopi-m4b.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-nanopi-neo4.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-orangepi.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-pinebook-pro.dtb
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-m4b.dts b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-m4b.dts
new file mode 100644
index 000000000000..72182c58cc46
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-m4b.dts@@ -0,0 +1,52 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * FriendlyElec NanoPi M4B board device tree source + * + * Copyright (c) 2020 Chen-Yu Tsai <wens@csie.org> + */ + +/dts-v1/; +#include "rk3399-nanopi-m4.dts" + +/ { + model = "FriendlyElec NanoPi M4B"; + compatible = "friendlyarm,nanopi-m4b", "rockchip,rk3399"; + + adc-keys { + compatible = "adc-keys"; + io-channels = <&saradc 1>; + io-channel-names = "buttons"; + keyup-threshold-microvolt = <1500000>; + poll-interval = <100>; + + recovery { + label = "Recovery"; + linux,code = <KEY_VENDOR>; + press-threshold-microvolt = <18000>; + }; + }; +}; + +/* No USB type-C PD power manager */ +/delete-node/ &fusb0; + +&i2c4 { + status = "disabled"; +}; + +&u2phy0_host { + phy-supply = <&vcc5v0_usb2>; +}; + +&u2phy0_otg { + phy-supply = <&vbus_typec>; +}; + +&u2phy1_otg { + phy-supply = <&vcc5v0_usb1>; +}; + +&vbus_typec { + enable-active-high; + gpios = <&gpio4 RK_PD2 GPIO_ACTIVE_HIGH>; +};
--
2.29.2
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