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authorThomas Petazzoni <thomas.petazzoni@free-electrons.com>2014-04-18 09:41:44 +0200
committerJason Cooper <jason@lakedaemon.net>2014-04-25 21:23:39 +0000
commitac164d1144f1a699d307bb05095e352ed6de236f (patch)
tree03a8a7078a1c7f86de9f8a51c3c00e64032f22f9 /arch/arm/boot/dts/armada-370-db.dts
parent80fa10f4e9278c4df1636a26025b12588078ad61 (diff)
downloadlinux-stericsson-ac164d1144f1a699d307bb05095e352ed6de236f.tar.gz
ARM: mvebu: specify I2C bus frequency on Armada 370 DB
In commit 249f3822509b74f8c8d0731aeb7ccea065376c9b ('ARM: mvebu: add audio support to Armada 370 DB'), the I2C bus 0 was enabled on the Armada 370 DB board, and an I2C codec was described as being connected on this bus. However, this commit forgot to define the I2C bus frequency, which leads the i2c-mv64xxx to fail probing, as it cannot calculate the baud rate multiplier/divisor to derive the I2C bus frequency from the core SoC frequency. It makes audio completely unusable, as the I2C bus is not probed, and therefore the audio codec is not probed either. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Link: https://lkml.kernel.org/r/1397806908-7550-2-git-send-email-thomas.petazzoni@free-electrons.com Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Diffstat (limited to 'arch/arm/boot/dts/armada-370-db.dts')
-rw-r--r--arch/arm/boot/dts/armada-370-db.dts1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/armada-370-db.dts b/arch/arm/boot/dts/armada-370-db.dts
index 82f238a9063f..3383c4b66803 100644
--- a/arch/arm/boot/dts/armada-370-db.dts
+++ b/arch/arm/boot/dts/armada-370-db.dts
@@ -67,6 +67,7 @@
i2c@11000 {
pinctrl-0 = <&i2c0_pins>;
pinctrl-names = "default";
+ clock-frequency = <100000>;
status = "okay";
audio_codec: audio-codec@4a {
compatible = "cirrus,cs42l51";