devicetree.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] arm64: dts: rockchip: Lower sd speed on quartz64-b
@ 2022-07-21  4:43 Nicolas Frattaroli
  2022-07-22  5:54 ` Peter Geis
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: Nicolas Frattaroli @ 2022-07-21  4:43 UTC (permalink / raw)
  To: Rob Herring, Krzysztof Kozlowski, Heiko Stuebner, Peter Geis
  Cc: Nicolas Frattaroli, devicetree, linux-arm-kernel, linux-rockchip,
	linux-kernel

The previously stated speed of sdr-104 is too high for the hardware
to reliably communicate with some fast SD cards.

Lower this to sd-uhs-sdr50 to fix this.

Fixes: dcc8c66bef79 ("arm64: dts: rockchip: add Pine64 Quartz64-B device tree")

Signed-off-by: Nicolas Frattaroli <frattaroli.nicolas@gmail.com>
---
 arch/arm64/boot/dts/rockchip/rk3566-quartz64-b.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-b.dts b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-b.dts
index 02d5f5a8ca03..528bb4e8ac77 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-b.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-b.dts
@@ -506,7 +506,7 @@ &sdmmc0 {
 	disable-wp;
 	pinctrl-names = "default";
 	pinctrl-0 = <&sdmmc0_bus4 &sdmmc0_clk &sdmmc0_cmd &sdmmc0_det>;
-	sd-uhs-sdr104;
+	sd-uhs-sdr50;
 	vmmc-supply = <&vcc3v3_sd>;
 	vqmmc-supply = <&vccio_sd>;
 	status = "okay";
-- 
2.37.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2022-08-23 16:15 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2022-07-21  4:43 [PATCH] arm64: dts: rockchip: Lower sd speed on quartz64-b Nicolas Frattaroli
2022-07-22  5:54 ` Peter Geis
2022-08-19 23:53 ` Nicolas Frattaroli
2022-08-23 12:36 ` Heiko Stuebner

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).