[PATCH v2 1/2] ARM: dts: Fix I2C repeated start issue on Armada-38x
Gregory CLEMENT
gregory.clement at free-electrons.com
Mon Oct 2 07:21:19 PDT 2017
Hi Kalyan,
On ven., sept. 29 2017, Kalyan Kinthada <kalyan.kinthada at alliedtelesis.co.nz> wrote:
> All the Armada 38x(380, 385, 388) have a silicon issue in
> the I2C controller which violates the I2C repeated start timing
> (errata FE-8471889).
>
> i2c-mv64xxx driver handles this errata based on the compatible string
> "marvell,mv78230-a0-i2c".
>
> This patch activates the "marvell,mv78230-a0-i2c" compatible string
> for the I2C controller on armada-38x SoC based devices.
>
> Signed-off-by: Kalyan Kinthada <kalyan.kinthada at alliedtelesis.co.nz>
Applied on mvebu/fixes
Thanks,
Gregory
> ---
> arch/arm/boot/dts/armada-38x.dtsi | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/boot/dts/armada-38x.dtsi b/arch/arm/boot/dts/armada-38x.dtsi
> index 7ff0811e61db..4960722aab32 100644
> --- a/arch/arm/boot/dts/armada-38x.dtsi
> +++ b/arch/arm/boot/dts/armada-38x.dtsi
> @@ -178,7 +178,7 @@
> };
>
> i2c0: i2c at 11000 {
> - compatible = "marvell,mv64xxx-i2c";
> + compatible = "marvell,mv78230-a0-i2c", "marvell,mv64xxx-i2c";
> reg = <0x11000 0x20>;
> #address-cells = <1>;
> #size-cells = <0>;
> @@ -189,7 +189,7 @@
> };
>
> i2c1: i2c at 11100 {
> - compatible = "marvell,mv64xxx-i2c";
> + compatible = "marvell,mv78230-a0-i2c", "marvell,mv64xxx-i2c";
> reg = <0x11100 0x20>;
> #address-cells = <1>;
> #size-cells = <0>;
> --
> 2.14.1
>
--
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
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