From: Maxime Ripard <maxime@cerno.tech>
To: Frank Lee <frank@allwinnertech.com>
Cc: wens@csie.org, robh+dt@kernel.org, tiny.windzz@gmail.com,
linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, huangshuosheng@allwinnertech.com,
liyong@allwinnertech.com
Subject: Re: [PATCH v3 16/16] arm64: allwinner: A100: add support for Allwinner Perf1 board
Date: Fri, 10 Jul 2020 14:36:17 +0200 [thread overview]
Message-ID: <20200710123617.ebd2ljn7okdrx4ph@gilmour.lan> (raw)
In-Reply-To: <20200708082821.13188-1-frank@allwinnertech.com>
Hi,
On Wed, Jul 08, 2020 at 04:28:21PM +0800, Frank Lee wrote:
> A100 perf1 is an Allwinner A100-based SBC, with the following features:
>
> - 1GiB DDR3 DRAM
> - AXP803 PMIC
> - 2 USB 2.0 ports
> - MicroSD slot and on-board eMMC module
> - on-board Nand flash
> - ···
>
> Adds initial support for it, including UART and PMU.
>
> Signed-off-by: Frank Lee <frank@allwinnertech.com>
> ---
> arch/arm64/boot/dts/allwinner/Makefile | 1 +
> .../dts/allwinner/sun50i-a100-allwinner-perf1.dts | 180 +++++++++++++++++++++
> 2 files changed, 181 insertions(+)
> create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts
>
> diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
> index e4d3cd0..ab780db 100644
> --- a/arch/arm64/boot/dts/allwinner/Makefile
> +++ b/arch/arm64/boot/dts/allwinner/Makefile
> @@ -14,6 +14,7 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pinephone-1.1.dtb
> dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pinetab.dtb
> dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-sopine-baseboard.dtb
> dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-teres-i.dtb
> +dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a100-allwinner-perf1.dtb
> dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-bananapi-m2-plus.dtb
> dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-bananapi-m2-plus-v1.2.dtb
> dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-emlid-neutis-n5-devboard.dtb
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts b/arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts
> new file mode 100644
> index 0000000..38621bb
> --- /dev/null
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts
> @@ -0,0 +1,180 @@
> +// SPDX-License-Identifier: (GPL-2.0+ or MIT)
> +/*
> + * Copyright (c) 2020 Frank Lee <frank@allwinnertech.com>
> + */
> +
> +/dts-v1/;
> +
> +#include "sun50i-a100.dtsi"
> +
> +/{
> + model = "Allwinner A100 Perf1";
> + compatible = "allwinner,a100-perf1", "allwinner,sun50i-a100";
> +
> + aliases {
> + serial0 = &uart0;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +};
> +
> +&pio {
> + vcc-pb-supply = <®_dcdc1>;
> + vcc-pc-supply = <®_eldo1>;
> + vcc-pd-supply = <®_dcdc1>;
> + vcc-pe-supply = <®_dldo2>;
> + vcc-pf-supply = <®_dcdc1>;
> + vcc-pg-supply = <®_dldo1>;
> + vcc-ph-supply = <®_dcdc1>;
> +};
There's something off here. The PC supply is set to eldo1, but
> +®_dcdc1 {
> + regulator-always-on;
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-name = "vcc-pc-io-usb-pd-emmc-nand-card";
> +};
But here you say in the name that dldo1 is a PC supply too?
Maxime
next prev parent reply other threads:[~2020-07-10 12:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-08 8:28 [PATCH v3 16/16] arm64: allwinner: A100: add support for Allwinner Perf1 board Frank Lee
2020-07-10 12:36 ` Maxime Ripard [this message]
2020-07-13 2:30 ` 李扬韬
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