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Message-ID: <CAJF2gTTyw-ysoi-30hXUqQd45Vv95j-qVz68QEK3P5CS_P+LJQ@mail.gmail.com> Date: Sat, 26 Nov 2022 08:20:10 +0800 From: Guo Ren <guoren@...nel.org> To: Samuel Holland <samuel@...lland.org> Cc: Chen-Yu Tsai <wens@...e.org>, Jernej Skrabec <jernej.skrabec@...il.com>, linux-sunxi@...ts.linux.dev, Palmer Dabbelt <palmer@...belt.com>, Conor Dooley <conor@...nel.org>, linux-riscv@...ts.infradead.org, devicetree@...r.kernel.org, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Rob Herring <robh+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>, Jisheng Zhang <jszhang@...nel.org>, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, Andre Przywara <andre.przywara@....com>, Albert Ou <aou@...s.berkeley.edu>, Anup Patel <apatel@...tanamicro.com>, Atish Patra <atishp@...osinc.com>, Christian Hewitt <christianshewitt@...il.com>, Conor Dooley <conor.dooley@...rochip.com>, Heinrich Schuchardt <heinrich.schuchardt@...onical.com>, Linus Walleij <linus.walleij@...aro.org>, Paul Walmsley <paul.walmsley@...ive.com>, Stanislav Jakubek <stano.jakubek@...il.com> Subject: Re: [PATCH v2 05/12] riscv: dts: allwinner: Add MangoPi MQ devicetree Reviewed-by: Guo Ren <guoren@...nel.org> On Sat, Nov 26, 2022 at 7:47 AM Samuel Holland <samuel@...lland.org> wrote: > > The MangoPi MQ is a tiny SBC built around the Allwinner D1s. Its > onboard peripherals include two USB Type-C ports (1 device, 1 host) > and RTL8189FTV WLAN. > > A MangoPi MQ-R variant of the board also exists. The MQ-R has a > different form factor, but the onboard peripherals are the same. > > Most D1 and D1s boards use a similar power tree, with the 1.8V rail > powered by the SoC's internal LDOA, analog domains powered by ALDO, > and the rest of the board powered by always-on fixed regulators. To > avoid duplication, factor out the regulator information that is > common across boards. > > The board also exposes GPIO Port E via a FPC connector, which can > support either a camera or an RMII Ethernet PHY. The additional > regulators supply that connector. > > Signed-off-by: Samuel Holland <samuel@...lland.org> > --- > > Changes in v2: > - New patch for v2 > > arch/riscv/boot/dts/Makefile | 1 + > arch/riscv/boot/dts/allwinner/Makefile | 2 + > .../allwinner/sun20i-common-regulators.dtsi | 35 +++++ > .../dts/allwinner/sun20i-d1s-mangopi-mq.dts | 135 ++++++++++++++++++ > 4 files changed, 173 insertions(+) > create mode 100644 arch/riscv/boot/dts/allwinner/Makefile > create mode 100644 arch/riscv/boot/dts/allwinner/sun20i-common-regulators.dtsi > create mode 100644 arch/riscv/boot/dts/allwinner/sun20i-d1s-mangopi-mq.dts > > diff --git a/arch/riscv/boot/dts/Makefile b/arch/riscv/boot/dts/Makefile > index ff174996cdfd..f292e31bdb2c 100644 > --- a/arch/riscv/boot/dts/Makefile > +++ b/arch/riscv/boot/dts/Makefile > @@ -1,4 +1,5 @@ > # SPDX-License-Identifier: GPL-2.0 > +subdir-y += allwinner > subdir-y += sifive > subdir-y += starfive > subdir-$(CONFIG_SOC_CANAAN_K210_DTB_BUILTIN) += canaan > diff --git a/arch/riscv/boot/dts/allwinner/Makefile b/arch/riscv/boot/dts/allwinner/Makefile > new file mode 100644 > index 000000000000..2f2792594f7d > --- /dev/null > +++ b/arch/riscv/boot/dts/allwinner/Makefile > @@ -0,0 +1,2 @@ > +# SPDX-License-Identifier: GPL-2.0 > +dtb-$(CONFIG_ARCH_SUNXI) += sun20i-d1s-mangopi-mq.dtb > diff --git a/arch/riscv/boot/dts/allwinner/sun20i-common-regulators.dtsi b/arch/riscv/boot/dts/allwinner/sun20i-common-regulators.dtsi > new file mode 100644 > index 000000000000..de1adf2a2759 > --- /dev/null > +++ b/arch/riscv/boot/dts/allwinner/sun20i-common-regulators.dtsi > @@ -0,0 +1,35 @@ > +// SPDX-License-Identifier: (GPL-2.0+ or MIT) > +// Copyright (C) 2021-2022 Samuel Holland <samuel@...lland.org> > + > +/ { > + reg_vcc: vcc { > + compatible = "regulator-fixed"; > + regulator-name = "vcc"; > + regulator-min-microvolt = <5000000>; > + regulator-max-microvolt = <5000000>; > + }; > + > + reg_vcc_3v3: vcc-3v3 { > + compatible = "regulator-fixed"; > + regulator-name = "vcc-3v3"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + vin-supply = <®_vcc>; > + }; > +}; > + > +&pio { > + vcc-pb-supply = <®_vcc_3v3>; > + vcc-pc-supply = <®_vcc_3v3>; > + vcc-pd-supply = <®_vcc_3v3>; > + vcc-pe-supply = <®_vcc_3v3>; > + vcc-pf-supply = <®_vcc_3v3>; > + vcc-pg-supply = <®_vcc_3v3>; > +}; > + > +®_ldoa { > + regulator-always-on; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + ldo-in-supply = <®_vcc_3v3>; > +}; > diff --git a/arch/riscv/boot/dts/allwinner/sun20i-d1s-mangopi-mq.dts b/arch/riscv/boot/dts/allwinner/sun20i-d1s-mangopi-mq.dts > new file mode 100644 > index 000000000000..11b150182490 > --- /dev/null > +++ b/arch/riscv/boot/dts/allwinner/sun20i-d1s-mangopi-mq.dts > @@ -0,0 +1,135 @@ > +// SPDX-License-Identifier: (GPL-2.0+ or MIT) > +// Copyright (C) 2022 Samuel Holland <samuel@...lland.org> > + > +#include <dt-bindings/gpio/gpio.h> > +#include <dt-bindings/leds/common.h> > + > +/dts-v1/; > + > +#include "sun20i-d1s.dtsi" > +#include "sun20i-common-regulators.dtsi" > + > +/ { > + model = "MangoPi MQ"; > + compatible = "widora,mangopi-mq", "allwinner,sun20i-d1s"; > + > + aliases { > + ethernet0 = &rtl8189ftv; > + mmc0 = &mmc0; > + serial3 = &uart3; > + }; > + > + chosen { > + stdout-path = "serial3:115200n8"; > + }; > + > + leds { > + compatible = "gpio-leds"; > + > + led-0 { > + color = <LED_COLOR_ID_BLUE>; > + function = LED_FUNCTION_BACKLIGHT; > + gpios = <&pio 3 22 GPIO_ACTIVE_LOW>; /* PD22 */ > + }; > + }; > + > + reg_avdd2v8: avdd2v8 { > + compatible = "regulator-fixed"; > + regulator-name = "avdd2v8"; > + regulator-min-microvolt = <2800000>; > + regulator-max-microvolt = <2800000>; > + vin-supply = <®_vcc_3v3>; > + }; > + > + reg_dvdd: dvdd { > + compatible = "regulator-fixed"; > + regulator-name = "dvdd"; > + regulator-min-microvolt = <1200000>; > + regulator-max-microvolt = <1200000>; > + vin-supply = <®_vcc_3v3>; > + }; > + > + reg_vcc_core: vcc-core { > + compatible = "regulator-fixed"; > + regulator-name = "vcc-core"; > + regulator-min-microvolt = <900000>; > + regulator-max-microvolt = <900000>; > + vin-supply = <®_vcc>; > + }; > + > + wifi_pwrseq: wifi-pwrseq { > + compatible = "mmc-pwrseq-simple"; > + reset-gpios = <&pio 6 12 GPIO_ACTIVE_LOW>; /* PG12 */ > + }; > +}; > + > +&cpu0 { > + cpu-supply = <®_vcc_core>; > +}; > + > +&dcxo { > + clock-frequency = <24000000>; > +}; > + > +&ehci1 { > + status = "okay"; > +}; > + > +&mmc0 { > + bus-width = <4>; > + cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */ > + disable-wp; > + vmmc-supply = <®_vcc_3v3>; > + vqmmc-supply = <®_vcc_3v3>; > + pinctrl-0 = <&mmc0_pins>; > + pinctrl-names = "default"; > + status = "okay"; > +}; > + > +&mmc1 { > + bus-width = <4>; > + mmc-pwrseq = <&wifi_pwrseq>; > + non-removable; > + vmmc-supply = <®_vcc_3v3>; > + vqmmc-supply = <®_vcc_3v3>; > + pinctrl-0 = <&mmc1_pins>; > + pinctrl-names = "default"; > + status = "okay"; > + > + rtl8189ftv: wifi@1 { > + reg = <1>; > + interrupt-parent = <&pio>; > + interrupts = <6 10 IRQ_TYPE_LEVEL_LOW>; /* PG10 */ > + interrupt-names = "host-wake"; > + }; > +}; > + > +&ohci1 { > + status = "okay"; > +}; > + > +&pio { > + vcc-pe-supply = <®_avdd2v8>; > +}; > + > +®_ldob { > + regulator-name = "vcc-dram"; > + regulator-always-on; > + ldo-in-supply = <®_vcc_3v3>; > +}; > + > +&uart3 { > + pinctrl-0 = <&uart3_pb_pins>; > + pinctrl-names = "default"; > + status = "okay"; > +}; > + > +&usb_otg { > + dr_mode = "peripheral"; > + status = "okay"; > +}; > + > +&usbphy { > + usb1_vbus-supply = <®_vcc>; > + status = "okay"; > +}; > -- > 2.37.4 > -- Best Regards Guo Ren
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