From: Ian Abbott <abbotti@mev.co.uk>
To: barebox@lists.infradead.org
Cc: Ian Abbott <abbotti@mev.co.uk>,
Ahmad Fatoum <a.fatoum@pengutronix.de>,
Steffen Trumtrar <s.trumtrar@pengutronix.de>
Subject: [PATCH] ARM: socfpga: Set reset-names property for &mmc
Date: Mon, 1 Nov 2021 17:40:53 +0000 [thread overview]
Message-ID: <20211101174053.68486-1-abbotti@mev.co.uk> (raw)
Since commit 90bdf1e5d1e4 ("mci: dw_mmc: match against StarFive MMC
compatibles"), the dw_mmc driver requires a reset line called "reset".
The slightly earlier commit a3cf324593ea ("mci: dw_mmc: add optional
reset line") introduced the reset line support, but made it optional.
The device tree node for SoCFPGA's MMC device has the "resets" property,
but is missing the "reset-names" property, so MMC no longer works.
Barebox produces the error message:
ERROR: dw_mmc ff704000.dwmmc0@ff704000.of: probe failed: Invalid argument
Add the missing "reset-names" property to the "&mmc" node in
"arch/arm/dts/socfpga.dtsi". It probably needs fixing in the upstream
Linux device tree sources too!
Cc: Ahmad Fatoum <a.fatoum@pengutronix.de>
Cc: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
---
arch/arm/dts/socfpga.dtsi | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arm/dts/socfpga.dtsi b/arch/arm/dts/socfpga.dtsi
index 7789c9d3b5..56dbf0b97d 100644
--- a/arch/arm/dts/socfpga.dtsi
+++ b/arch/arm/dts/socfpga.dtsi
@@ -4,6 +4,10 @@
};
};
+&mmc {
+ reset-names = "reset";
+};
+
&watchdog0 {
resets = <&rst L4WD0_RESET>;
};
--
2.33.0
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next reply other threads:[~2021-11-01 17:43 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-01 17:40 Ian Abbott [this message]
2021-11-01 17:52 ` Ahmad Fatoum
2021-11-01 18:51 ` Trent Piepho
2021-11-02 8:01 ` Sascha Hauer
2021-11-02 9:59 ` Ian Abbott
2021-11-18 13:09 ` [PATCH v2] " Ian Abbott
2021-11-22 9:11 ` Sascha Hauer
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