[PATCH v2 7/7] arm64: dts: rockchip: rk3568-evb1-v10: add node for sd card
Heiko Stübner
heiko at sntech.de
Wed Aug 4 11:57:19 PDT 2021
Hi Michael,
Am Mittwoch, 4. August 2021, 20:49:45 CEST schrieb Michael Riesch:
> Hi Johan,
>
> Thanks for your comments, I'll try to implement the requested changes
> and prepare a v3 tomorrow.
>
> On 8/4/21 4:30 PM, Johan Jonker wrote:
> > Hi Michael,
> >
> > Could you add a commit message to all patches in this serie?
>
> Well the short commit message (i.e., the subject line) pretty much wraps
> it all up in my opinion, hence no need for an extended commit message.
> Is there anything in particular you would like to see or have explained
> that requires an extended message? I would like to refrain from adding
> an extended commit message just for the sake of having one.
it's just a matter of style, and yes having a non-empty commit message
is preferred in most parts of the kernel.
Even if it's just a simple one-liner ;-), for example
"Enable the sdmmc node on the rk3568-evb1 with the 4 lanes connected on it"
Heiko
>
> > On 8/4/21 3:06 PM, Michael Riesch wrote:
> >> Signed-off-by: Michael Riesch <michael.riesch at wolfvision.net>
> >> ---
> >> v2:
> >> - rename alias to match convention
> >>
> >> arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts | 15 +++++++++++++++
> >> 1 file changed, 15 insertions(+)
> >>
> >> diff --git a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
> >> index ed96f27c64a3..c4da6436059d 100644
> >> --- a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
> >> +++ b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
> >> @@ -17,6 +17,7 @@
> >> ethernet0 = &gmac0;
> >> ethernet1 = &gmac1;
> >
> >> mmc0 = &sdhci;
> >> + mmc1 = &sdmmc0;
> >
> > mmc aliases are sort on reg address based on availability without number
> > gap.
> >
> > sdmmc0: mmc at fe2b0000 {}
> > sdhci: mmc at fe310000 {}
>
> I'll turn these around.
>
> >> };
> >>
> >> chosen: chosen {
> >> @@ -353,6 +354,20 @@
> >> status = "okay";
> >> };
> >>
> >> +&sdmmc0 {
> >> + bus-width = <4>;
> >> + cap-sd-highspeed;
> >> + cd-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_LOW>;
> >> + disable-wp;
> >
> >> + pinctrl-names = "default";
> >> + pinctrl-0 = <&sdmmc0_bus4 &sdmmc0_clk &sdmmc0_cmd &sdmmc0_det>;
> >
> > pinctrl-names below pinctrl-0 like the rest of rk356x.dtsi
>
> OK!
>
> >> + sd-uhs-sdr104;
> >
> >> + supports-sd;
> >
> > Check mmc-controller.yaml, rockchip-dw-mshc.yaml and
> > synopsys-dw-mshc-common.yaml for properties.
>
> I am afraid I don't quite follow. What exactly should I check? I am
> pretty sure that the properties I used are described in the mentioned
> yaml files.
>
> Regards, Michael
>
> >
> >> + vmmc-supply = <&vcc3v3_sd>;
> >> + vqmmc-supply = <&vccio_sd>;
> >> + status = "okay";
> >> +};
> >> +
> >> &uart2 {
> >> status = "okay";
> >> };
> >>
>
More information about the linux-arm-kernel
mailing list