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| author |   Chris Packham <chris.packham@alliedtelesis.co.nz> | 2021-05-12 09:20:51 +1200 |
|---|---|---|
| committer |   Wolfram Sang <wsa@kernel.org> | 2021-05-27 21:52:16 +0200 |
| commit | 19ae697a1e4edf1d755b413e3aa38da65e2db23b (patch) | |
| tree | fc7881874323f2d458ef582ead9084714ba9e1ec | |
| parent | powerpc/fsl: set fsl,i2c-erratum-a004447 flag for P2041 i2c controllers (diff) | |
| download | wireguard-linux-19ae697a1e4edf1d755b413e3aa38da65e2db23b.tar.xz wireguard-linux-19ae697a1e4edf1d755b413e3aa38da65e2db23b.zip | |
powerpc/fsl: set fsl,i2c-erratum-a004447 flag for P1010 i2c controllers
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@alliedtelesis.co.nz>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | arch/powerpc/boot/dts/fsl/p1010si-post.dtsi | 8 |
1 files changed, 8 insertions, 0 deletions
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 @@ }; /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 { |