linux-kernel - Re: [PATCH 2/3] arm64: dts: rockchip: Add Lunzn Fastrhino R66S

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Date:   Sat, 29 Apr 2023 09:29:47 +0800
From:   Tianling Shen <cnsztl@...il.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Jagan Teki <jagan@...rulasolutions.com>,
        Peter Geis <pgwipeout@...il.com>, Andy Yan <andyshrk@....com>,
        Chris Morgan <macromorgan@...mail.com>,
        Brian Norris <briannorris@...omium.org>,
        Andrew Lunn <andrew@...n.ch>, Shawn Guo <shawnguo@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Sebastian Reichel <sebastian.reichel@...labora.com>,
        Maya Matuszczyk <maccraft123mc@...il.com>,
        Michael Riesch <michael.riesch@...fvision.net>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Vasily Khoruzhick <anarsoul@...il.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] arm64: dts: rockchip: Add Lunzn Fastrhino R66S

Hi Krzysztof,

On Fri, Apr 28, 2023 at 9:34 PM Krzysztof Kozlowski
<krzysztof.kozlowski@...aro.org> wrote:
>
> On 28/04/2023 03:37, Tianling Shen wrote:
> > Lunzn Fastrhino R66S is a high-performance mini router.
> >
> > Specification:
> > - Rockchip RK3568
> > - 1/2GB LPDDR4 RAM
> > - SD card slot
> > - M.2 Connector
> > - 2x USB 3.0 Port
> > - 2x 2500 Base-T (PCIe, r8125b)
> > - 12v DC Jack
> >
> > Signed-off-by: Tianling Shen <cnsztl@...il.com>
> > ---
> >  arch/arm64/boot/dts/rockchip/Makefile         |   1 +
> >  .../dts/rockchip/rk3568-fastrhino-r66s.dts    |  27 +
> >  .../dts/rockchip/rk3568-fastrhino-r66s.dtsi   | 507 ++++++++++++++++++
> >  3 files changed, 535 insertions(+)
> >  create mode 100644 arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dts
> >  create mode 100644 arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dtsi
> >
> > diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
> > index 2d585bbb8f3a..15089a78555a 100644
> > --- a/arch/arm64/boot/dts/rockchip/Makefile
> > +++ b/arch/arm64/boot/dts/rockchip/Makefile
> > @@ -85,6 +85,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-box-demo.dtb
> >  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-lubancat-1.dtb
> >  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-bpi-r2-pro.dtb
> >  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-evb1-v10.dtb
> > +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-fastrhino-r66s.dtb
> >  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-lubancat-2.dtb
> >  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-nanopi-r5c.dtb
> >  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-nanopi-r5s.dtb
> > diff --git a/arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dts b/arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dts
> > new file mode 100644
> > index 000000000000..fc9e1bdab128
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dts
> > @@ -0,0 +1,27 @@
> > +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> > +
> > +#include "rk3568-fastrhino-r66s.dtsi"
> > +
> > +/ {
> > +     model = "Lunzn FastRhino R66S";
> > +     compatible = "lunzn,fastrhino-r66s", "rockchip,rk3568";
> > +
> > +     aliases {
> > +             mmc0 = &sdmmc0;
> > +     };
> > +};
> > +
> > +&sdmmc0 {
> > +     max-frequency = <150000000>;
> > +     no-sdio;
> > +     no-mmc;
> > +     bus-width = <4>;
> > +     cap-mmc-highspeed;
> > +     cap-sd-highspeed;
> > +     disable-wp;
> > +     vmmc-supply = <&vcc3v3_sd>;
> > +     vqmmc-supply = <&vccio_sd>;
> > +     pinctrl-names = "default";
> > +     pinctrl-0 = <&sdmmc0_bus4 &sdmmc0_clk &sdmmc0_cmd &sdmmc0_det>;
> > +     status = "okay";
> > +};
> > diff --git a/arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dtsi b/arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dtsi
> > new file mode 100644
> > index 000000000000..a58592b2f13b
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dtsi
> > @@ -0,0 +1,507 @@
> > +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> > +
> > +/dts-v1/;
> > +#include <dt-bindings/gpio/gpio.h>
> > +#include <dt-bindings/input/input.h>
> > +#include <dt-bindings/leds/common.h>
> > +#include <dt-bindings/pinctrl/rockchip.h>
> > +#include <dt-bindings/soc/rockchip,vop2.h>
> > +#include "rk3568.dtsi"
> > +
> > +/ {
> > +     aliases {
> > +             led-boot = &status_led;
> > +             led-failsafe = &status_led;
> > +             led-running = &status_led;
> > +             led-upgrade = &status_led;
>
> Why do you need these? Which upstream kernel driver parses these?

Oh sorry these aliases are used for OpenWrt and I forgot to remove them
when submitting patches. Will send v2 for it.

Thanks,
Tianling.

>
>
> Best regards,
> Krzysztof
>