Thread (5 messages) flat view 5 messages, 2 authors, 2016-02-14
STALE3873d

[PATCH 1/4] ARM: dts: imx6q-tbs2910: add SATA PHY configuration

From: Soeren Moch <hidden>
Date: 2016-02-07 18:34:30
Subsystem: the rest · Maintainer: Linus Torvalds

Configure SATA PHY transmit level, boost, attenuation and equalizer
parameters for long wire connections. TBS2910 contains a standard SATA
connector, so devices are typically connected with (longer) SATA cables.
And explicitly configuring these parameters avoids complaints about
"not specified" values in boot messages.

Signed-off-by: Soeren Moch <redacted>
---
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: linux-arm-kernel at lists.infradead.org
---
 arch/arm/boot/dts/imx6q-tbs2910.dts | 4 ++++
 1 file changed, 4 insertions(+)
diff --git a/arch/arm/boot/dts/imx6q-tbs2910.dts b/arch/arm/boot/dts/imx6q-tbs2910.dts
index 5645d52..d8155d0 100644
--- a/arch/arm/boot/dts/imx6q-tbs2910.dts
+++ b/arch/arm/boot/dts/imx6q-tbs2910.dts
@@ -205,6 +205,10 @@
 };
 
 &sata {
+	fsl,transmit-level-mV = <1104>;
+	fsl,transmit-boost-mdB = <3330>;
+	fsl,transmit-atten-16ths = <16>;
+	fsl,receive-eq-mdB = <3000>;
 	status = "okay";
 };
 
-- 
1.9.1
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help