Re: [PATCH] arm64: dts: marvell: espressobin: De-duplicate eMMC definitions

From: Gregory CLEMENT
Date: Mon Oct 05 2020 - 09:14:09 EST


Hi Pali,

> On Sunday 27 September 2020 08:40:41 Andre Heider wrote:
>> On 25/09/2020 10:50, Pali Rohár wrote:
>> > eMMC definitions in files armada-3720-espressobin-emmc.dts and
>> > armada-3720-espressobin-v7-emmc.dts is same. So move it into common
>> > armada-3720-espressobin.dtsi file with status "disabled".
>> >
>> > This change simplifies eMMC variants of DTS files for Espressobin.
>> >
>> > Signed-off-by: Pali Rohár <pali@xxxxxxxxxx>
>>
>> Reviewed-by: Andre Heider <a.heider@xxxxxxxxx>
>> Tested-by: Andre Heider <a.heider@xxxxxxxxx>
>>
>> > ---
>> > Compiled DTB files armada-3720-espressobin-emmc.dtb and
>> > armada-3720-espressobin-v7-emmc.dtb are identical as without applying
>> > this patch.
>> >
>> > Files armada-3720-espressobin.dtb and armada-3720-espressobin-v7.dtb
>> > are slightly different compared to version without this patch.
>> >
>> > Main change is that numering in all "phandle" nodes is shifted and
>> > "sdhci0" node contains more attributes, but node is disabled.
>> >
>> >
>> > Andre, could you test this change on Espressobin (without eMMC) if
>> > everything is OK and there is no issue?
>>
>> Look good to me, the node appears with status=disabled and everything seems
>> to work as before.
>
> Great!
>
> Gregory, would do you think about including this patch into next queue
> too?


I've applied on mvebu/dt64, however I am not sure I will be able to make
it merged for 5.10, but I will try.

Thanks,

Gregory


>
>> >
>> > ---
>> > .../marvell/armada-3720-espressobin-emmc.dts | 18 --------------
>> > .../armada-3720-espressobin-v7-emmc.dts | 18 --------------
>> > .../dts/marvell/armada-3720-espressobin.dtsi | 24 +++++++++++++++++++
>> > 3 files changed, 24 insertions(+), 36 deletions(-)
>> >
>> > diff --git a/arch/arm64/boot/dts/marvell/armada-3720-espressobin-emmc.dts b/arch/arm64/boot/dts/marvell/armada-3720-espressobin-emmc.dts
>> > index ec72a11ed80f..5c4d8f379704 100644
>> > --- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin-emmc.dts
>> > +++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin-emmc.dts
>> > @@ -21,24 +21,6 @@
>> > "marvell,armada3720", "marvell,armada3710";
>> > };
>> > -/* U11 */
>> > &sdhci0 {
>> > - non-removable;
>> > - bus-width = <8>;
>> > - mmc-ddr-1_8v;
>> > - mmc-hs400-1_8v;
>> > - marvell,xenon-emmc;
>> > - marvell,xenon-tun-count = <9>;
>> > - marvell,pad-type = "fixed-1-8v";
>> > -
>> > - pinctrl-names = "default";
>> > - pinctrl-0 = <&mmc_pins>;
>> > status = "okay";
>> > -
>> > - #address-cells = <1>;
>> > - #size-cells = <0>;
>> > - mmccard: mmccard@0 {
>> > - compatible = "mmc-card";
>> > - reg = <0>;
>> > - };
>> > };
>> > diff --git a/arch/arm64/boot/dts/marvell/armada-3720-espressobin-v7-emmc.dts b/arch/arm64/boot/dts/marvell/armada-3720-espressobin-v7-emmc.dts
>> > index 6062a7df7342..4775a7eda481 100644
>> > --- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin-v7-emmc.dts
>> > +++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin-v7-emmc.dts
>> > @@ -36,24 +36,6 @@
>> > label = "wan";
>> > };
>> > -/* U11 */
>> > &sdhci0 {
>> > - non-removable;
>> > - bus-width = <8>;
>> > - mmc-ddr-1_8v;
>> > - mmc-hs400-1_8v;
>> > - marvell,xenon-emmc;
>> > - marvell,xenon-tun-count = <9>;
>> > - marvell,pad-type = "fixed-1-8v";
>> > -
>> > - pinctrl-names = "default";
>> > - pinctrl-0 = <&mmc_pins>;
>> > status = "okay";
>> > -
>> > - #address-cells = <1>;
>> > - #size-cells = <0>;
>> > - mmccard: mmccard@0 {
>> > - compatible = "mmc-card";
>> > - reg = <0>;
>> > - };
>> > };
>> > diff --git a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi
>> > index 3169a820558f..8a1c678bea5f 100644
>> > --- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi
>> > +++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi
>> > @@ -58,6 +58,30 @@
>> > phy-names = "sata-phy";
>> > };
>> > +/* U11 */
>> > +&sdhci0 {
>> > + /* Main DTS file for Espressobin is without eMMC */
>> > + status = "disabled";
>> > +
>> > + non-removable;
>> > + bus-width = <8>;
>> > + mmc-ddr-1_8v;
>> > + mmc-hs400-1_8v;
>> > + marvell,xenon-emmc;
>> > + marvell,xenon-tun-count = <9>;
>> > + marvell,pad-type = "fixed-1-8v";
>> > +
>> > + pinctrl-names = "default";
>> > + pinctrl-0 = <&mmc_pins>;
>> > +
>> > + #address-cells = <1>;
>> > + #size-cells = <0>;
>> > + mmccard: mmccard@0 {
>> > + compatible = "mmc-card";
>> > + reg = <0>;
>> > + };
>> > +};
>> > +
>> > /* J1 */
>> > &sdhci1 {
>> > wp-inverted;
>> >
>>

--
Gregory Clement, Bootlin
Embedded Linux and Kernel engineering
http://bootlin.com