From: Andrey Smirnov <andrew.smirnov@gmail.com>
To: barebox@lists.infradead.org
Cc: Andrey Smirnov <andrew.smirnov@gmail.com>
Subject: [PATCH 2/2] ARM: dts: vf610-zii-scu4-aib: Add "i2c-mux-idle-disconnect" to I2C muxes
Date: Mon, 7 Oct 2019 22:06:57 -0700 [thread overview]
Message-ID: <20191008050657.1605-2-andrew.smirnov@gmail.com> (raw)
In-Reply-To: <20191008050657.1605-1-andrew.smirnov@gmail.com>
Add "i2c-mux-idle-disconnect" to I2C muxes to prevent identical slaves
from different segments from interfering with each other.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
---
arch/arm/dts/vf610-zii-scu4-aib.dts | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm/dts/vf610-zii-scu4-aib.dts b/arch/arm/dts/vf610-zii-scu4-aib.dts
index 43a13e243d..1e6a54954a 100644
--- a/arch/arm/dts/vf610-zii-scu4-aib.dts
+++ b/arch/arm/dts/vf610-zii-scu4-aib.dts
@@ -109,3 +109,11 @@
label = "fiber9";
};
};
+
+/*
+ * FIXME: Remove once this code appears in kernel DTS
+*/
+&i2c2 {
+ tca9548@70 { i2c-mux-idle-disconnect; };
+ tca9548@71 { i2c-mux-idle-disconnect; };
+};
--
2.21.0
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next prev parent reply other threads:[~2019-10-08 5:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-08 5:06 [PATCH 1/2] i2c-mux-pca954x: Add support for "i2c-mux-idle-disconnect" Andrey Smirnov
2019-10-08 5:06 ` Andrey Smirnov [this message]
2019-10-14 10:15 ` Sascha Hauer
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