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Message-ID: <CAJF2gTS0h8BG-q3VJNUxwziMh823HX8mn9XU72OCJ76ZHXvmLg@mail.gmail.com>
Date:   Sat, 26 Nov 2022 08:21:45 +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 06/12] riscv: dts: allwinner: Add Allwinner D1 Nezha devicetree

Reviewed-by: Guo Ren <guoren@...nel.org>

On Sat, Nov 26, 2022 at 7:47 AM Samuel Holland <samuel@...lland.org> wrote:
>
> "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.
>
> Reviewed-by: Heiko Stuebner <heiko@...ech.de>
> Tested-by: Conor Dooley <conor.dooley@...rochip.com>
> Tested-by: Heiko Stuebner <heiko@...ech.de>
> Signed-off-by: Samuel Holland <samuel@...lland.org>
> ---
>
> Changes in v2:
>  - Common regulators moved to MangoPi MQ patch, removed analog LDOs
>  - Removed LRADC (depends on analog LDOs)
>  - Added XR829 host-wake interrupt
>
>  arch/riscv/boot/dts/allwinner/Makefile        |   1 +
>  .../boot/dts/allwinner/sun20i-d1-nezha.dts    | 167 ++++++++++++++++++
>  2 files changed, 168 insertions(+)
>  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 2f2792594f7d..277e59d1c907 100644
> --- a/arch/riscv/boot/dts/allwinner/Makefile
> +++ b/arch/riscv/boot/dts/allwinner/Makefile
> @@ -1,2 +1,3 @@
>  # SPDX-License-Identifier: GPL-2.0
> +dtb-$(CONFIG_ARCH_SUNXI) += sun20i-d1-nezha.dtb
>  dtb-$(CONFIG_ARCH_SUNXI) += sun20i-d1s-mangopi-mq.dtb
> diff --git a/arch/riscv/boot/dts/allwinner/sun20i-d1-nezha.dts b/arch/riscv/boot/dts/allwinner/sun20i-d1-nezha.dts
> new file mode 100644
> index 000000000000..9ea3648e64ea
> --- /dev/null
> +++ b/arch/riscv/boot/dts/allwinner/sun20i-d1-nezha.dts
> @@ -0,0 +1,167 @@
> +// SPDX-License-Identifier: (GPL-2.0+ or MIT)
> +// Copyright (C) 2021-2022 Samuel Holland <samuel@...lland.org>
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +
> +/dts-v1/;
> +
> +#include "sun20i-d1.dtsi"
> +#include "sun20i-common-regulators.dtsi"
> +
> +/ {
> +       model = "Allwinner D1 Nezha";
> +       compatible = "allwinner,d1-nezha", "allwinner,sun20i-d1";
> +
> +       aliases {
> +               ethernet0 = &emac;
> +               ethernet1 = &xr829;
> +               mmc0 = &mmc0;
> +               serial0 = &uart0;
> +       };
> +
> +       chosen {
> +               stdout-path = "serial0:115200n8";
> +       };
> +
> +       reg_usbvbus: usbvbus {
> +               compatible = "regulator-fixed";
> +               regulator-name = "usbvbus";
> +               regulator-min-microvolt = <5000000>;
> +               regulator-max-microvolt = <5000000>;
> +               gpio = <&pio 3 19 GPIO_ACTIVE_HIGH>; /* PD19 */
> +               enable-active-high;
> +               vin-supply = <&reg_vcc>;
> +       };
> +
> +       /*
> +        * This regulator is PWM-controlled, but the PWM controller is not
> +        * yet supported, so fix the regulator to its default voltage.
> +        */
> +       reg_vdd_cpu: vdd-cpu {
> +               compatible = "regulator-fixed";
> +               regulator-name = "vdd-cpu";
> +               regulator-min-microvolt = <1100000>;
> +               regulator-max-microvolt = <1100000>;
> +               vin-supply = <&reg_vcc>;
> +       };
> +
> +       wifi_pwrseq: wifi-pwrseq {
> +               compatible = "mmc-pwrseq-simple";
> +               reset-gpios = <&pio 6 12 GPIO_ACTIVE_LOW>; /* PG12 */
> +       };
> +};
> +
> +&cpu0 {
> +       cpu-supply = <&reg_vdd_cpu>;
> +};
> +
> +&dcxo {
> +       clock-frequency = <24000000>;
> +};
> +
> +&ehci0 {
> +       status = "okay";
> +};
> +
> +&ehci1 {
> +       status = "okay";
> +};
> +
> +&emac {
> +       pinctrl-0 = <&rgmii_pe_pins>;
> +       pinctrl-names = "default";
> +       phy-handle = <&ext_rgmii_phy>;
> +       phy-mode = "rgmii-id";
> +       phy-supply = <&reg_vcc_3v3>;
> +       status = "okay";
> +};
> +
> +&i2c2 {
> +       pinctrl-0 = <&i2c2_pb0_pins>;
> +       pinctrl-names = "default";
> +       status = "okay";
> +
> +       pcf8574a: gpio@38 {
> +               compatible = "nxp,pcf8574a";
> +               reg = <0x38>;
> +               interrupt-parent = <&pio>;
> +               interrupts = <1 2 IRQ_TYPE_LEVEL_LOW>; /* PB2 */
> +               interrupt-controller;
> +               gpio-controller;
> +               #gpio-cells = <2>;
> +               #interrupt-cells = <2>;
> +       };
> +};
> +
> +&mdio {
> +       ext_rgmii_phy: ethernet-phy@1 {
> +               compatible = "ethernet-phy-ieee802.3-c22";
> +               reg = <1>;
> +       };
> +};
> +
> +&mmc0 {
> +       bus-width = <4>;
> +       cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */
> +       disable-wp;
> +       vmmc-supply = <&reg_vcc_3v3>;
> +       vqmmc-supply = <&reg_vcc_3v3>;
> +       pinctrl-0 = <&mmc0_pins>;
> +       pinctrl-names = "default";
> +       status = "okay";
> +};
> +
> +&mmc1 {
> +       bus-width = <4>;
> +       mmc-pwrseq = <&wifi_pwrseq>;
> +       non-removable;
> +       vmmc-supply = <&reg_vcc_3v3>;
> +       vqmmc-supply = <&reg_vcc_3v3>;
> +       pinctrl-0 = <&mmc1_pins>;
> +       pinctrl-names = "default";
> +       status = "okay";
> +
> +       xr829: wifi@1 {
> +               reg = <1>;
> +               interrupt-parent = <&pio>;
> +               interrupts = <6 10 IRQ_TYPE_LEVEL_LOW>; /* PG10 */
> +               interrupt-names = "host-wake";
> +       };
> +};
> +
> +&ohci0 {
> +       status = "okay";
> +};
> +
> +&ohci1 {
> +       status = "okay";
> +};
> +
> +&uart0 {
> +       pinctrl-0 = <&uart0_pb8_pins>;
> +       pinctrl-names = "default";
> +       status = "okay";
> +};
> +
> +&uart1 {
> +       uart-has-rtscts;
> +       pinctrl-0 = <&uart1_pg6_pins>, <&uart1_pg8_rts_cts_pins>;
> +       pinctrl-names = "default";
> +       status = "okay";
> +
> +       /* XR829 bluetooth is connected here */
> +};
> +
> +&usb_otg {
> +       dr_mode = "otg";
> +       status = "okay";
> +};
> +
> +&usbphy {
> +       usb0_id_det-gpios = <&pio 3 21 GPIO_ACTIVE_HIGH>; /* PD21 */
> +       usb0_vbus_det-gpios = <&pio 3 20 GPIO_ACTIVE_HIGH>; /* PD20 */
> +       usb0_vbus-supply = <&reg_usbvbus>;
> +       usb1_vbus-supply = <&reg_vcc>;
> +       status = "okay";
> +};
> --
> 2.37.4
>


-- 
Best Regards
 Guo Ren

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