Re: [PATCH 2/2] arm64: dts: rockchip: rock-pi-s add more peripherals

From: Sjoerd Simons
Date: Wed Jun 08 2022 - 08:07:53 EST


Hey Michael,

On Mon, 2022-06-06 at 14:00 +0200, Michael Riesch wrote:
>
> > +       aliases {
> > +               ethernet0 = &gmac;
> > +               mmc0 = &emmc;
> > +               mmc1 = &sdmmc;
>
> Sure? emmc is at address ff49000 which is larger than sdmmc's address
> ff480000. I believe the aliases should be sorted w.r.t. addresses.

Do you have a reference about this sorting requirement? 

Also do you mean that mmc0 should be &sdmmc *or* that the aliases
should have mmc1 listed first.

For reference the reason is that mmc0 is emmc is because it seems more
logical to have the builtin devices come first (e.g. as mmcblk0)


> Best regards,
> Michael
>
> > +       };
> > +
> >         chosen {
> >                 stdout-path = "serial0:1500000n8";
> >         };
> > @@ -132,6 +138,15 @@ &emmc {
> >         status = "okay";
> >  };
> >  
> > +&gmac {
> > +       clock_in_out = "output";
> > +       phy-supply = <&vcc_io>;
> > +       snps,reset-gpio = <&gpio0 RK_PA7 GPIO_ACTIVE_LOW>;
> > +       snps,reset-active-low;
> > +       snps,reset-delays-us = <0 50000 50000>;
> > +       status = "okay";
> > +};
> > +
> >  &i2c1 {
> >         status = "okay";
> >  };
> > @@ -195,10 +210,47 @@ &sdmmc {
> >         status = "okay";
> >  };
> >  
> > +&u2phy {
> > +       status = "okay";
> > +
> > +       u2phy_host: host-port {
> > +               phy-supply = <&vcc5v0_otg>;
> > +               status = "okay";
> > +       };
> > +
> > +       u2phy_otg: otg-port {
> > +               phy-supply = <&vcc5v0_otg>;
> > +               status = "okay";
> > +       };
> > +};
> > +
> >  &uart0 {
> >         status = "okay";
> >  };
> >  
> >  &uart4 {
> >         status = "okay";
> > +
> > +       bluetooth {
> > +               compatible = "realtek,rtl8723bs-bt";
> > +               device-wake-gpios = <&gpio4 RK_PB3
> > GPIO_ACTIVE_HIGH>;
> > +               host-wake-gpios = <&gpio4 RK_PB4 GPIO_ACTIVE_HIGH>;
> > +       };
> > +};
> > +
> > +&usb_host_ehci {
> > +       status = "okay";
> > +};
> > +
> > +&usb_host_ohci {
> > +       status = "okay";
> > +};
> > +
> > +&usb20_otg {
> > +       dr_mode = "peripheral";
> > +       status = "okay";
> > +};
> > +
> > +&wdt {
> > +       status = "okay";
> >  };

--
Sjoerd Simons
Collabora Ltd.