Re: [PATCH 2/2] arm64: dts: rockchip: add rock5 itx board

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Am 04.07.24 um 14:05 schrieb Heiko Stübner:
Am Donnerstag, 4. Juli 2024, 13:43:47 CEST schrieb Alex Bee:
Am 04.07.24 um 12:05 schrieb Heiko Stübner:
Hi Diederik,

Am Donnerstag, 4. Juli 2024, 11:38:51 CEST schrieb Diederik de Haas:
Thanks for submitting this. A quick scan indicates it should work with a
(recent) Debian kernel OOTB :-)

On Wednesday, 3 July 2024 23:05:24 CEST Heiko Stuebner wrote:
+&sdhci {
+       bus-width = <8>;
+       no-sdio;
+       no-sd;
+       non-removable;
+       max-frequency = <200000000>;
+       mmc-hs400-1_8v;
+       mmc-hs400-enhanced-strobe;
+       mmc-hs200-1_8v;
+       status = "okay";
+};
+
+&sdmmc {
+       max-frequency = <200000000>;
+       no-sdio;
+       no-mmc;
+       bus-width = <4>;
+       cap-mmc-highspeed;
+       cap-sd-highspeed;
+       disable-wp;
+       sd-uhs-sdr104;
+       vmmc-supply = <&vcc_3v3_s3>;
+       vqmmc-supply = <&vccio_sd_s0>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&sdmmc_bus4 &sdmmc_clk &sdmmc_cmd &sdmmc_det>;
+       status = "okay";
+};
+
+/* M.2 E-KEY */
+&sdio {
+       broken-cd;
+       bus-width = <4>;
+       cap-sdio-irq;
+       disable-wp;
+       keep-power-in-suspend;
+       max-frequency = <150000000>;
+       mmc-pwrseq = <&sdio_pwrseq>;
+       no-sd;
+       no-mmc;
+       non-removable;
+       pinctrl-names = "default";
+       pinctrl-0 = <&sdiom0_pins>;
+       sd-uhs-sdr104;
+       vmmc-supply = <&vcc3v3_ekey>;
+       status = "okay";
+};
+
+&sfc {
+       pinctrl-names = "default";
+       pinctrl-0 = <&fspim2_pins>;
+       status = "okay";
Shouldn't those properties be sorted alphabetically? Or at least consistently?
Note that the same issue is present on other places too, but I believe the
above quoted part shows the issue enough.
The main sorting is
- compatible
- reg
[... alphabetically ...]
- status

Yeah ... that's always the question when adding new board files. Do it like
"it's always been done" or re-sort the properties alphanumeric _everywhere_
which looks quite strange at times. If I'm getting the newly added dt
coding style correctly common (subsystem?) properties should also be placed
before vendor (driver?) specific ones. Yet I didn't see a board file which
places 'regulator-max-microvolt' before 'regulator-min-microvolt'. So I
guess it's fine if it's done consistently within the same file?
I always see it as a best-effort thing. If all regulator-* stuff is grouped
together it will be mostly fine. I'm not going to haggle over the sorting
of the 10th character of property names ;-) .

(and of course reading min before max, is sort of more intuitive)

And of course leaf-things (board dts) are less "important" than the core
nodes in soc devicetrees.

Great, thanks for sharing. Will (try) to follow in future.

Alex






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