Am Montag, 15. August 2022, 07:08:10 CEST schrieb Samuel Holland: > "D1 Nezha" is Allwinner's first-party development board for the D1 SoC. > It was shipped with 512M, 1G, or 2G of DDR3. It supports onboard audio, > HDMI, gigabit Ethernet, WiFi and Bluetooth, USB 2.0 host and OTG ports, > plus low-speed I/O from the SoC and a GPIO expander chip. > > Most other D1 boards copied the Nezha's power tree, with the 1.8V rail > powered by the SoCs internal LDOA, analog domains powered by ALDO, and > the rest of the board powered by always-on fixed regulators. Some (but > not all) boards also copied the PWM CPU regulator. To avoid duplication, > factor out the out the regulator references that are common across all > known boards. > > Signed-off-by: Samuel Holland <samuel@xxxxxxxxxxxx> > --- > > arch/riscv/boot/dts/allwinner/Makefile | 1 + > .../sun20i-d1-common-regulators.dtsi | 51 ++++++ > .../boot/dts/allwinner/sun20i-d1-nezha.dts | 171 ++++++++++++++++++ > 3 files changed, 223 insertions(+) > create mode 100644 arch/riscv/boot/dts/allwinner/sun20i-d1-common-regulators.dtsi > create mode 100644 arch/riscv/boot/dts/allwinner/sun20i-d1-nezha.dts > > diff --git a/arch/riscv/boot/dts/allwinner/Makefile b/arch/riscv/boot/dts/allwinner/Makefile > index f66554cd5c45..b0a15e8c8d82 100644 > --- a/arch/riscv/boot/dts/allwinner/Makefile > +++ b/arch/riscv/boot/dts/allwinner/Makefile > @@ -1 +1,2 @@ > # SPDX-License-Identifier: GPL-2.0 > +dtb-$(CONFIG_ARCH_SUNXI) += sun20i-d1-nezha.dtb > diff --git a/arch/riscv/boot/dts/allwinner/sun20i-d1-common-regulators.dtsi b/arch/riscv/boot/dts/allwinner/sun20i-d1-common-regulators.dtsi > new file mode 100644 > index 000000000000..143a3e710c3c > --- /dev/null > +++ b/arch/riscv/boot/dts/allwinner/sun20i-d1-common-regulators.dtsi > @@ -0,0 +1,51 @@ > +// SPDX-License-Identifier: (GPL-2.0+ or MIT) > +// Copyright (C) 2021-2022 Samuel Holland <samuel@xxxxxxxxxxxx> in (most/all) other devicetrees this is looks more like // SPDX-License-Identifier: (GPL-2.0+ or MIT) /* Copyright (C) 2021-2022 Samuel Holland <samuel@xxxxxxxxxxxx> */ otherwise Tested-by: Heiko Stuebner <heiko@xxxxxxxxx> Reviewed-by: Heiko Stuebner <heiko@xxxxxxxxx>
