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authorChris Packham <chris.packham@alliedtelesis.co.nz>2021-05-12 00:20:51 +0300
committerWolfram Sang <wsa@kernel.org>2021-05-27 22:52:16 +0300
commit19ae697a1e4edf1d755b413e3aa38da65e2db23b (patch)
treefc7881874323f2d458ef582ead9084714ba9e1ec /arch/powerpc
parent7adc7b225cddcfd0f346d10144fd7a3d3d9f9ea7 (diff)
downloadlinux-19ae697a1e4edf1d755b413e3aa38da65e2db23b.tar.xz
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 'arch/powerpc')
-rw-r--r--arch/powerpc/boot/dts/fsl/p1010si-post.dtsi8
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 {