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arm64: dts: allwinner: Fix SD card CD GPIO for SOPine systems 

[ Upstream commit 3dd4ce4185df6798dcdcc3669bddb35899d7d5e1 ]

Commit 941432d00768 ("arm64: dts: allwinner: Drop non-removable from
SoPine/LTS SD card") enabled the card detect GPIO for the SOPine module,
along the way with the Pine64-LTS, which share the same base .dtsi.

However while both boards indeed have a working CD GPIO on PF6, the
polarity is different: the SOPine modules uses a "push-pull" socket,
which has an active-high switch, while the Pine64-LTS use the more
traditional push-push socket and the common active-low switch.

Fix the polarity in the sopine.dtsi, and overwrite it in the LTS
board .dts, to make the SD card work again on systems using SOPine
modules.

Fixes: 941432d00768 ("arm64: dts: allwinner: Drop non-removable from SoPine/LTS SD card")
Reported-by: Ashley <contact@victorianfox.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210316144219.5973-1-andre.przywara@arm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Andre Przywara 2021-03-16 14:42:19 +00:00 committed by Greg Kroah-Hartman
parent 871b569a3e
commit b14992c962
2 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-lts.dts
View File

@ -11,3 +11,7 @@
compatible = "pine64,pine64-lts", "allwinner,sun50i-r18",
"allwinner,sun50i-a64";
};
&mmc0 {
cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 push-push switch */
};

2
arch/arm64/boot/dts/allwinner/sun50i-a64-sopine.dtsi
View File

@ -57,7 +57,7 @@
vmmc-supply = <&reg_dcdc1>;
disable-wp;
bus-width = <4>;
cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 push-pull switch */
status = "okay";
};