Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx> writes:
> The i2c controllers on the P1010 have an erratum where the documented
> scheme for i2c bus recovery will not work (A-004447). A different
> mechanism is needed which is documented in the P1010 Chip Errata Rev L.
>
> Signed-off-by: Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx>
> ---
>
> Notes:
> Changes in v3:
> - New
>
> arch/powerpc/boot/dts/fsl/p1010si-post.dtsi | 8 ++++++++
> 1 file changed, 8 insertions(+)
Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
cheers
> diff --git a/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi b/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi
> index c2717f31925a..ccda0a91abf0 100644
> --- a/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi
> +++ b/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi
> @@ -122,7 +122,15 @@ memory-controller@2000 {
> };
>
> /include/ "pq3-i2c-0.dtsi"
> + i2c@3000 {
> + fsl,i2c-erratum-a004447;
> + };
> +
> /include/ "pq3-i2c-1.dtsi"
> + i2c@3100 {
> + fsl,i2c-erratum-a004447;
> + };
> +
> /include/ "pq3-duart-0.dtsi"
> /include/ "pq3-espi-0.dtsi"
> spi0: spi@7000 {
> --
> 2.31.1
